Tyco BB, AP, SD, HIP User Manual

Models BB, SD, HIP, and AP
Specific Application Sprinklers
For Protecting Attics

Worldwide

Contacts

www.tyco-fire.com

General
Description

The TYCO Models Back to Back Dual
Directional (BB), Single Directional (SD),
HIP, and Attic Plus (AP) Specific Appli­cation Attic Sprinklers for Protecting
Attics are fire sprinklers for combus­tible and non-combustible sloped attic
spaces.

While Models BB, SD, and HIP are
specific application attic sprinklers,
the Model AP is a specific application
combustible concealed-space sprin­kler with specific application criteria
for use with Models BB, SD, and HIP
in attic spaces.

Specific Application Attic Sprinklers
provide superior fire protection in attic
spaces. When compared to Stan­dard Spray Sprinklers, cost savings
are achieved by eliminating branchline
materials and the associated installa­tion labor.

Specific Application Attic Sprinklers for
Protecting Attics have undergone the
most extensive fire testing ever per­formed for sloped attic spaces. They
are UL Listed with their specific appli­cation guidelines for use as special
sprinklers as defined by the NATIONAL
FIRE PROTECTION ASSOCIATION
(NFPA).

Specific Application Attic Sprinklers
provide an extended coverage spacing
alternative to the restricted spacing of
Standard Spray Sprinklers.

IMPORTANT

Refer to Technical Data Sheet
TFP2300 for warnings pertaining to
regulatory and health information.

Always refer to Technical Data
Sheet TFP700 for the “INSTALLER
WARNING” that provides cautions
with respect to handling and instal­lation of sprinkler systems and com­ponents. Improper handling and
installation can permanently damage
a sprinkler system or its compo­nents and cause the sprinkler to fail
to operate in a fire situation or cause
it to operate prematurely.

The Specific Application Attic Sprin­klers are the first sprinklers to be:

• Listed for extended coverage in com­bustible construction

• Full-scale fire tested in both wet and
dry system scenarios

• Full-scale tested for use in wood
truss construction

• Listed for specific roof slopes (Ref.
Table A )

The Specific Application Attic Sprin­klers provide cost control with the
best level of protection by eliminat­ing the need for additional sprinklers
and branchline piping. In many cases,
an attic can be entirely protected with
just one line of piping located below the
peak of the roof using Model BB Sprin­klers. If Model SD Sprinklers or Model
HIP Sprinklers are needed, one line of
either at each area being covered is
sufficient.

For example, while using Standard
Spray Sprinklers, a system in a 60 ft
(18,3 m) wide attic with up to a 12:12
roof pitch designed to NFPA 13, could
require seven branchlines to cover the
main portion of the attic and several
additional branchlines to cover the hip
areas. With Specific Application Attic
Sprinklers, the required coverage can
be obtained with just one branchline
running below the peak and one down
each slope of the hip beam. This would
result in approximately 90% less pipe
needed for installation. This reduction
in the number of branchlines saves the
cost of the pipe, fittings, hangers, and
associated labor by eliminating up to
five branchlines.

Another important aspect of the Spe­cific Application Attic Sprinkler technol­ogy, which also allows for cost savings,
is the reduction in system volume. This
volume reduction may result in reduc­ing the size of a dry pipe valve and air
compressor, and possibly allows for
quicker water delivery times, eliminat­ing the need for an accelerator.

Page 1 of 28 AUGUST 2018 TFP610

TFP610

SECTION ELEVATION

ELEVATION

SECTION

1

ELEVATION

SECTION

FRAME

FLOW

SECTION ELEVATION

10

Page 2 of 28

Components:

-

Frame

1

-

Button

2

-

Sealing

3

Assembly

2-1/4"

(57,2 mm)

1-1/8"

(28,6 mm)

FLOW FLOW

4

1

3

CROSS

5

THREAD

1/2" (12,7 mm)

(54,0 mm)

2

RELIEF

NOMINAL

MAKE-IN

-

Bulb

4

-

Compression

5

Screw

-

Deector

6

6

2-1/8"

13/16"

(20,6 mm)

WRENCH

FLATS

1-5/8"

(41,3 mm)

3/4" NPT

FRAME

ARMS

FIGURE A

MODELS BB1, BB2, AND BB3 WITH 8.0 K-FACTOR

SPECIFIC APPLICATION ATTIC SPRINKLERS

Components:

-

1

-

2

-

3

-

4

1-9/16"

(39,7 mm)

10

2

CROSS

Body
Cap
Sealing
Assembly
Saddle

11

3

-

Compression

5

Screw
Lever

6

-

Deector

7

Frame

9

8

FLOW FLOW

7

2-1/2"

(63,5 mm)

6

5

4

(11,1 mm)
NOMINAL

MAKE-IN

7/16"

WRENCH

8

9
10
11

2-1/4"

(57,2 mm)

HEX

-

Deector

-

Rivet

--

Diffuser

-

Link
Assembly

1-1/8"

(28,6 mm)

1/2"
NPT

FRAME

ARMS

FIGURE B

MODELS BB1, BB2, AND BB3 WITH 5.6 K-FACTOR

SPECIFIC APPLICATION ATTIC SPRINKLERS

Components:

-

Frame

1

-

Button

2

-

Sealing

3

Assembly

2-1/4"

(57,2 mm)

1-1/8"

(28,6 mm)

4

1 2

3

CROSS

5

7/16" (11,1 mm)

FLOW

THREAD

(54,0 mm)

RELIEF

NOMINAL

MAKE-IN

-

Bulb

4

-

Compression

5

Screw

-

Deector

6

6

2-1/8"

13/16"

(20,6 mm)

WRENCH

FLATS

1-5/8"

(41,3 mm)

1/2" NPT

ARMS

FIGURE C

MODELS BB1, BB2, AND BB3 WITH 4.2 K-FACTOR

SPECIFIC APPLICATION ATTIC SPRINKLERS

Components:

(54,0 mm)

1-5/16"

WRENCH

-

8

-

9

--

10

2-1/8"

HEX

Deector
Rivet
Link
Assembly

1/2"
NPT

8

9

7

6

5

4

-

1

-

2

-

3

-

4

3

Body
Cap
Sealing
Assembly
Saddle

1-5/16"

(33,3 mm)

2 1

CROSS

-

Compression

5

Screw
Lever

6

-

Deector

7

Frame

3"

(76,2 mm)

7/16" (11,1 mm)

NOMINAL

MAKE-IN

(33,4 mm)

FLOW

FRAME

ARMS

FIGURE D

MODELS SD1, SD2, AND SD3 WITH 5.6 K-FACTOR

SPECIFIC APPLICATION ATTIC SPRINKLERS

TFP610

SECTION ELEVATION

SECTION ELEVATION

2

1

3

4

5

6

(57,2 mm)

Page 3 of 28

Components:

1

3

2-1/8"

(54,0 mm)

4

CROSS

-

Frame

1

-

Button

2

-

Sealing

3

Assembly

1-1/16"

(27,0 mm)

5

2

THREAD

RELIEF

7/16" (11,1 mm)

4
5

6

6

2-1/8"

(54,0 mm)

NOMINAL

MAKE-IN

-

Bulb

-

Compression
Screw

-

Deector

1-1/4"

(31,8 mm)

FLOW

WRENCH

FLATS

2"

(50,8 mm)

1/2" NPT

FRAME

ARMS

FIGURE E

MODEL HIP WITH 5.6 K-FACTOR

SPECIFIC APPLICATION ATTIC SPRINKLERS

MODEL AP WITH 4.2 OR 5.6 K-FACTOR SPECIFIC

APPLICATION COMBUSTIBLE CONCEALED

Components:

-

1

-

2

-

3

-

4

CROSS

Frame
Sealing
Assembly
Button
Bulb

SPRINKLER

FRAME

ARMS

WRENCH

FLATS

1/2" NPT

FIGURE F

-

Compression

5

Screw

-

Deector

6

-

Ejection

7

Spring

1-11/16"

(42,9 mm)

7

7/16" (11,1 mm)

NOMINAL MAKE-IN

2-1/4"

SPACE SPRINKLERS

Another cost reduction is the Listing of
BLAZEMASTER CPVC for use in attic
spaces to feed the wet system Specific
Application Attic Sprinklers for Protect­ing Attics, as well as to feed the wet
system sprinklers below the ceiling.
Traditionally, BLAZEMASTER CPVC
has been used on the lower floors in
the joist space above a ceiling that
do not require sprinklers. The cost of
using CPVC on those floors can now
be translated to the upper floor even if
sprinklers are required in the attic.

There are four models of the Specific
Application Attic Sprinklers used for
protecting attics: BB, SD, HIP, and AP.
The Model BB and Model SD Sprinklers
have three separate versions used for
different roof pitches. The pitches, as
applicable, can vary from a minimum of
3:12 to a maximum of 12:12. For more
information, refer to Table A.

BB Sprinkler
(Back to Back Dual Directional)

The Model BB Specific Application
Attic Sprinkler, as seen in Figure A,
B and C, throws a narrow and long
pattern. The narrow spacing along
the ridge serves two purposes: the
response time is reduced by placing
the sprinklers no farther than 6 ft
(1,8 m) apart, and the spray can be
concentrated in the throw direction to
obtain a pattern that will cover up to
30 ft (9,1 m) in each direction when
measured horizontally.

There are three different models that
account for different roof slopes: BB1,
BB2, and BB3. Each model is provided
in one of three different orifice sizes:
K=4.2, 5.6, or 8.0.

SD Sprinkler (Single Directional)

The Model SD Specific Application
Attic Sprinkler, as seen in Figure D,
throws a narrow but long pattern like
the Model BB. However, unlike the
Model BB, the Model SD only throws
in one direction.

Model BB Sprinklers are primarily used
where shear walls or draft curtains have
been installed within an attic space.
Model BB Sprinklers are also used
when the framing direction is parallel
with the outside wall in the hip area.
For more information, refer to Figure

13. In this case, the SD Model Sprinkler
would be used on one side of the slope
and AP Sprinklers or Standard Spray
Sprinklers would be used to protect the
other side.

The Model SD Sprinklers must be
installed in a vertical upright orientation
and not angled with the slope. Achiev­ing the vertical upright orientation may
require the use of a swing joint if the
SD Sprinklers are being fed from a line
running along and parallel to the roof
hip.

There are three different models that
account for different roof slopes: SD1,
SD2, and SD3.

HIP Sprinkler

The Model HIP Specific Application
Attic Sprinkler, as seen in Figure E,
covers the area of the hip in the attic.
This is a slightly different concept than
the BB Model or SD Model Sprinklers.

The HIP Sprinkler is located along
the slope running down the hip, and
throws a 90° pattern toward the outside
eaves. This pattern allows the water to
“corner” and control the fire.

The HIP does not throw much water
directly up or down the hip, but rather it
throws most of the pattern out to each
side (90°) down the slope of the roof.
This sprinkler is typically spaced 6 ft
(1,8 m) to 3 ft (0,9 m) on center down
the slope.

To use the HIP Sprinkler, the framing
must be perpendicular to the outside
wall (refer to Figure 12) and the
maximum throw cannot exceed 28 ft
(8,5 m) measured horizontally. The HIP,
unlike the BB Model and SD Model, is
installed with the deflector parallel with
the slope. There is only one model with
flows and pressures for two different
spacings.

TFP610

Page 4 of 28

AP Sprinkler (Attic Plus)

The AP Specific Application Attic Sprin­kler are to be installed in the upright
orientation with their deflector parallel
to the roof. The Model AP Sprinklers,
as seen in Figure F, are intended to
be used to provide protection of attic
areas outside the scope of applica­tions for the BB, SD, or HIP Sprinklers.
The AP Sprinklers must only be used in
conjunction with other Specific Appli­cation Attic Sprinklers (BB, SD, and
HIP), or as permitted in other sections
of this document. The AP Sprinklers
will provide a hydraulic advantage over
Standard Spray Sprinklers for the pro­tection of attic areas outside the scope
of application for the BB Model, SD
Model, or HIP Model Sprinklers.

NOTICE

The Specific Application Attic Sprin­klers for Protecting Attics described
herein must be installed and maintained
in compliance with this document, as
well as with the applicable standards
of NFPA, in addition to the standards of
any other authorities having jurisdiction.
Failure to do so may impair the perfor­mance of these devices.

The owner is responsible for main­taining their fire protection system
and devices in proper operating con­dition. Contact the installing contrac­tor or product manufacturer with any
questions.

Sprinkler
Identification
Number (SIN)

TY4180* BB1 K= 8.0
TY4181* BB2 K= 8.0
TY4182* BB3 K= 8.0
TY3180* BB1 K= 5.6
TY3181* BB2 K = 5.6
TY3182* BB3 K = 5.6
TY2180 BB1 K= 4.2
TY2181 BB2 K=4. 2
TY2182 BB3 K=4.2
TY3183* SD1 K= 5.6
TY3184* SD2 K= 5.6
TY3185* SD3 K= 5.6
TY3187* HIP K= 5.6
TY3190 AP K= 5.6
TY2190 AP K= 4.2

* The “TY” prefix is a re-designation of
the previous “C” prefix. For example,
TY4180 is a re-designation for C4180.

Technical
Data

Approvals

UL and C-UL Listed

These Approvals only apply to the service
conditions indicated in the Design Criteria
section on Page 6 and the Design Guidelines
section on Page 8.

Pipe Thread Connection

1/2 inch NPT for K= 4.2 and 5.6

3/4 inch NPT for K= 8.0

Discharge Coefficient

K = 4.2 GPM/psi½ (60,5 LPM/bar½)
K = 5.6 GPM/psi½ (80,6 LPM/bar½)
K = 8. 0 GPM /psi½ (115,5 LPM/bar½)

Temperature Rating

Intermediate Temperature as follows:
–200°F ( 93°C) for BB (K4.2 and K8.0),
H I P, A P

–212°F (100°C) for BB ( K5.6), SD

Finish

Natural Brass

Physical Characteristics
(Figures A, C and E)

Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . .Bronze

Button .....................Bronze/Copper

Sealing Assembly ..Ber yllium Nickel w/TEFLON

Bulb .....................Glass (3 mm dia.)

Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MONEL

Compression Screw . . . . . . . . . . . . . . . . . .Brass

Deflector . . . . . . . . . . . . . . . . . . . . Brass /Bronze

Physical Characteristics
(Figures B and D)

Body . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Brass

Cap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bronze

Sealing Assembly ..Ber yllium Nickel w/TEFLON

Saddle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Brass

Link Assembly . . . . . . . . . . . . . . . . . . . . . . Nickel

Compression Screw . . . . . . . . . . . . . . . . . .Brass

Deflector . . . . . . . . . . . . . . . . . . . . Brass /Bronze

Lever .....................Bronze Deflector

Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . .Bronze

Diffuser . . . . . . . . . . . . . . . . . . . . . . . . . . . .Brass

Rivet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Brass

Physical Characteristics
(Figure F)

Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Brass

Button . . . . . . . . . . . . . . . . . . . . . . . . . . . .Bronze

Sealing Assembly ..Ber yllium Nickel w/TEFLON

Bulb .....................Glass (3 mm dia.)

Compression Screw . . . . . . . . . . . . . . . . . .Brass

Deflector . . . . . . . . . . . . . . . . . . . . . . . . . .Bronze

Operation

BB (K=8.0 and 4.2), HIP (K=5.6) and
AP (5.6 and 4.2)

The glass bulb contains a fluid that
expands when exposed to heat. When
the rated temperature is reached, the
fluid expands sufficiently to shatter the
glass bulb, allowing the sprinkler to
activate and water to flow.

BB (K=5.6) and SD (K=5.6)

The fusible link assembly is comprised
of two link halves which are joined by
a thin layer of solder. When the rated
temperature is reached, the solder
melts and the two link halves separate,
allowing the sprinkler to activate and
water to flow.

Installation

"A" ONLY

"A" ONLY

"A" ONLY

"A" ONLY

The TYCO Specific Application Attic
Sprinklers for Protecting Attics must
be installed in accordance with this
section.

NOTICE

Do not install any bulb-type sprinkler
if the bulb is cracked or there is a loss
of liquid from the bulb. With the sprin­kler held horizontally, a small air bubble
should be present. The diameter of the
air bubble is approximately 1/16 inch
(1,6 mm) for the 155°F (68°C) and 3/32
inch (2,4 mm) for the 200°F (93°C) tem­perature ratings.

A leak-tight 1/2 inch NPT sprinkler joint
should be obtained by applying a min­imum-to-maximum torque of 7 to 14
lb-ft ( 9,5 to 19,0 N·m). Higher levels of
torque can distort the sprinkler inlet
with consequent leakage or impairment
of the sprinkler.

To install the Specific Application Attic
Sprinklers, complete the following:

Step 1. Sprinklers must be oriented
correctly as follows:

• Model BB Sprinklers are to be
installed in the upright vertical posi­tion with the flow arrows on the
deflector pointing down the two
opposing slopes.

• Model SD Sprinklers are to be
installed in the upright vertical posi­tion with the flow direction arrow
on the deflector pointing down the
slope.

• The Model HIP Sprinklers are to be
installed with the deflector at the top,
the sprinkler centerline perpendicular
to the ridge of the hip roof, and the
flow direction arrows on the deflec­tor pointing down the two oppos­ing slopes. Unlike the Model BB and
Model SD, the Model HIP is installed
angled so that its deflector is paral­lel with the slope of the hip ridge line.

• The Model AP Sprinklers are to be
installed in the upright position with
the deflector parallel to the roof
slope. There are no flow arrows on
the deflector to consider; however, a
good piping practice is to position all
the Model AP Sprinklers so that their
frame arms are in the same direction.

DO NOT

DO NOT GRASP DEFLECTOR

USE END
MARKED

W-TYPE 3 SPRINKLER WRENCH

BB (K=8.0) SPRINKLERS’

USE END
MARKED

W-TYPE 6 SPRINKLER WRENCH

Step 2. With pipe thread sealant
applied to the pipe threads, hand­tighten the sprinkler into the sprinkler
fitting.

Note: With reference to Figure G, do
not grasp the sprinkler by the deflector.

Step 3. Wrench-tighten the sprin­kler using only the wrenches shown
in Figures H through M. Wrenches
are only to be applied to the sprin­kler wrench flats or wrench hex, as
applicable.

FIGURE G

WRENCH

FLATS

ENGAGE

SPRINKLER

THREAD RELIEF

WITH WRENCH
JAW FLANGES

WRENCH

JAW FLANGE

FIGURE H

FOR USE WITH

WRENCH

FLATS

ENGAGE

SPRINKLER

THREAD RELIEF

WITH WRENCH

JAW FLANGES

WRENCH

JAW FLANGE

FIGURE J

For Use with

BB (K= 4.2) Sprinklers

TFP610

Page 5 of 28

WRENCH

FLATS

ENGAGE

SPRINKLER

THREAD RELIEF

WITH WRENCH

JAW FLANGES

WRENCH

HEX

WRENCH JAW

TO FIT WRENCH

WRENCH

FLATS

ENGAGE

JAW FLANGE

ADJUST

HEX

WRENCH

JAW FLANGE

USE END

MARKED

FIGURE K

W-T Y P E 2 0

SPRINKLER WRENCH

For Use with

HIP (K= 5.6) Sprinklers

WRENCH

APPLY

WRENCH

TO WRENCH

HEX ONLY

FIGURE L

ADJUSTABLE WRENCH

For Use with BB ( K= 5.6) and

SD (K= 5.6) Sprinklers

SPRINKLER

THREAD RELIEF

WITH WRENCH

JAW FLANGES

USE END

MARKED

FIGURE M

W-TYPE 6 SPRINKLER WRENCH

For Use with

AP (K= 4.2 and 5.6) Sprinklers

TFP610

Page 6 of 28

Design
Criteria

Area of Use

The TYCO Specific Application Attic
Sprinklers are designed for use in
roof structures and combustible and
non-combustible sloped attic spaces,
including wood joist/rafters and wood
trussed attics with a ceiling below.

System Type for
BB, SD, HIP, or AP Sprinklers

Wet using CPVC pipe
Wet or dry using steel pipe

Note: Use of the 4.2 K sprinklers in dry
pipe systems is permitted by NFPA 13
where piping is corrosion resistant or
internally galvanized.

Hazard

Light Hazard.

BB, SD, or HIP Allowable Roof Span
(Coverage) and Roof Pitch

Refer to Table A for allowable roof
spans and roof pitches, and for the
associated minimum sprinkler flows
and pressures. Figures 1, 2, 11 and 12
illustrate where the roof span is to be
measured.

Coverage Beyond BB, SD or HIP
Allowable Roof Spans

Up to 10 ft (3,1 m) of coverage at the
eave(s) beyond the allowable roof
spans for BB, SD, or HIP Sprinklers
may be obtained by using a single row
of AP Sprinklers. For more information,
refer to Figure 14A, 14B, and 15.

BB, SD, HIP, or AP Minimum
Distance Between Sprinklers

4 ft (1,2 m) as measured along the
branchline for BB and SD. For more
information, refer to Figure 3.

3 ft (0,9 m) as measured along the
branchline for HIP. For more informa­tion, refer to Figure 12.

7 ft (2,1 m) between AP Sprinklers.

BB, SD, HIP, or AP Maximum
Distance Between Sprinklers

6 ft (1,8 m) on center along the branch­line for BB, SD, and HIP. For more infor­mation, refer to Figure 3 and 12.

For AP, the maximum spacing is
10 ft (3,1 m) perpendicular to slope and
12 ft (3,6 m) parallel to slope. When
there is more than one row of AP Sprin­klers, the sprinklers must be staggered
as seen in Figure 20-B-3.

BB, SD, HIP, or AP Minimum
Distance to AP Sprinklers or
Standard Spray Sprinklers

As measured along the peak/ridge
direction, 6 ft (1,8 m) from BB, SD, and
HIP to Standard Spray Sprinklers. For
more information, refer to Figure 4.

As measured along the peak/ridge
direction, 7 ft (2,1 m) from AP to Stan­dard Spray Sprinklers. For more infor­mation, refer to Figure 4.

In the slope direction, 26 ft (7,9 m) from
BB or HIP Sprinklers to AP Sprinklers
or Standard Spray Sprinklers. For more
information, refer to Figure 6.

BB, SD, or HIP Deflector Installation
Position Below Peak/Ridge or Deck

For roof pitches of 4:12 (33%) to 12:12
(100%), 22 in. (558,8 mm) maximum
and 16 in. (406,4 mm) minimum. For
more information, refer to Figure 2 and

5.

For roof pitches of 3:12 (25%) up to
4:12 (33%), (only 4.2K Model BB),
12 in. (304,8 mm) maximum below the
peak and a minimum of 1 in. (25,4 mm)
below the bottom of the top chord or
solid wood rafter.

AP Deflector Position and
Roof Pitch

1 to 3 in. (25,4 to 75,6 mm) below the
bottom of the top chord or bottom of
solid wood rafter, where the roof pitch
is 3:12 to 12:12 and the top chord or
solid wood rafter is a nominal 12 in.
(600 mm) or less.

BB or SD Deflector Installation
Position Above Scissor Truss

18 in. (457,2 mm) minimum. For more
information, refer to Figure 5.

BB, SD, or HIP Minimum Distance
Away from Trusses

Attic Sprinklers must be installed
6 in. (152,4 mm) away from the face of
trusses. For more information, refer to
Figure 7.

SD Distance from Shear Wall or
Draft Curtain

4 to 6 in. (101,6 to 152,4 mm) from face,
and a minimum of 8 in. (203,2 mm)
above the bottom of the draft curtain.
For more information, refer to Figure 2.

Draft Curtains

Draft curtains installed to permit the
installation of Attic Sprinklers shall be
constructed so as to not allow heat
to escape through or above the draft
curtain. The draft curtain may be con­structed of 1/2 in (12,7 mm) plywood.

BB or HIP Maximum Distance from
the Center Line of the Ridge

6 in. (152,4 mm) with the deflector
located 16 to 22 in. (406,4 mm to 558,8
mm) from the peak. For more informa­tion, refer to Figure 8.

Use of UL Listed BLAZEMASTER
CPVC Piping with Specific
Application Attic Sprinklers for
Protecting Attics (Wet Systems
Only)

BLAZEMASTER CPVC piping may
be used in a combustible concealed
attic space requiring sprinklers when
installed in accordance with the follow­ing guidelines:

Note: Where the use of non-com­bustible insulation is specified, verify
with the insulation manufacturer as to
the non-combustibility of the insula­tion. The non-combustible insulation
(fiberglass) may be faced or unfaced.
Where faced, the facing need not be
non-combustible. The insulation is to
have a flame spread index of not more
than 25.

Verify chemical compatibility of the
insulation with BLAZEMASTER CPVC
by consulting www.lubrizol.com.

• BLAZEMASTER CPVC may be used
to feed the wet system ceiling sprin­klers on the floor below. There must
be 6 in. (152,4 mm) of non-combus­tible insulation covering the horizon­tal or vertical pipe extending 12 in.
(304,8 mm) on each side away from
the centerline of the pipe. Refer to
Figures 9A, 9B, and 9C. The area
above the pipe must be protected
by BB, SD, HIP, or AP Sprinklers. For
more information, refer to Figure 9A.
If the pipe is located inside the ceil­ing joist, the joist channel must be
covered or filled with 6 in. (152,4 mm)
of non-combustible insulation on top
of the pipe and the area above must
be protected by BB, SD, HIP, or AP
Sprinklers. For more information,
refer to Figure 9B. Insulation is for re

protection purposes. It is not freeze
protection. BLAZEMASTER CPVC

must be installed in accordance with
the BLAZEMASTER installation guide
instructions.

• With reference to Figure 19, BLAZE­MASTER CPVC may be used
exposed to feed wet system BB, SD,
or HIP Sprinklers where:

•

Risers are vertical and protected
by BB, SD, or HIP Sprinklers locat­ed at a maximum lateral distance
of 12 in. (304,8 mm) from the riser
centerline.

•

BB, SD, or HIP Sprinklers are di­rectly mounted on the branchline.

•

BB, SD, or HIP Sprinklers are on
arm-overs and located at a max­imum lateral distance of 6 in.
(152,4 mm) from the branchline
centerline.

•

BB, SD, or HIP Sprinklers are on
vertical sprigs attached to the
branchline.

Page 7 of 28

DRY PIPE

SYSTEM

MAXIMUM

WATER

DELIVERY

Seconds

MODEL K SIN

ALLOWABLE
ROOF SPAN,

(a) (b) (e)

Feet (m)

MINIMUM

FLOW,

GPM (LPM)

MINIMUM

PRESSURE,

psi (bar)

PITCH,

Rise Over Run (%)

BB1 8.0 T Y4180 ≤60 (18,3) 38 (14 4) 22.6 (1,5) 4:12 (33) to less than 7:12 (58) (c)

BB2 8.0 TY4181 ≤60 (18,3) 38 (144 ) 22.6 (1,5) 7:12 (58) to less than 10:12 (83) (c)

BB3 8.0 T Y4182 ≤60 (18,3) 40 (152) 25.0 (1,7 ) 10:12 (83) to 12:12 (100) (c)

BB1 5.6 T Y3180 >40 (12,2) to ≤60 (18,3) 38 (14 4) 46.0 (3,2) 4:12 (33) to less than 7:12 (58) (c)

BB2 5.6 TY3181 >40 (12,2) to 60 (18,3) 38 ( 144) 46.0 (3,2) 7:12 (58) to less than 10:12 (83) (c)

BB3 5.6 T Y3182 >40 (12,2) to 60 (18,3) 38 (144) 46.0 (3,2) 10:12 (83) to 12:12 (100) (c)

BB1 5.6 T Y3180 ≤40 (12,2) 25 (95) 20.0 (1,4) 4:12 (33) to less than 7:12 (58) (c)

BB2 5.6 TY3181 ≤40 (12,2) 25 (95) 20.0 (1,4) 7:12 (58) to less than 10:12 (83) (c)

BB3 5.6 T Y3182 ≤40 (12,2) 25 (95) 20.0 (1,4) 10:12 (83) to 12:12 (100) (c)

BB1 4.2 T Y2180 ≤20 (6,1) 13 (4 9) 9.6 (0,7) 3:12 (25) to less than 7:12 (58) 45 (d)

BB2 4.2 T Y2181 ≤20 (6,1) 13 (49) 9.6 (0,7) 7:12 (58) to less than 10:12 (83) 45 (d)

BB3 4.2 T Y2182 ≤20 (6,1) 13 (4 9) 9.6 (0,7) 10:12 (83) to 12:12 (100) 45 (d)

SD1 5.6 T Y318 3 >30 (9,1) to ≤40 (12,2) 35 (132) 39.0 (2,7) 4:12 (33) to less than 7:12 (58) (c)

SD2 5.6 T Y3184 >30 (9,1) to ≤40 (12,2) 35 (13 2) 39.0 (2,7 ) 7:12 (58) to less than 10:12 (83) (c)

SD3 5.6 T Y3185 >30 (9,1) to ≤40 (12,2) 35 (132) 39.0 (2,7 ) 10:12 (83) to 12:12 (100) (c)

SD1 5.6 T Y318 3 >10 (3,0) to ≤30 (9,1) 25 (95) 20.0 (1,4) 4:12 (33) to less than 7:12 (58) (c)

SD2 5.6 T Y3184 >10 (3,0) to ≤30 (9,1) 25 (95) 20.0 (1,4) 7:12 (58) to less than 10:12 (83) (c)

SD3 5.6 T Y3185 >10 (3,0) to ≤30 (9,1) 25 (95) 20.0 (1,4) 10:12 (83) to 12:12 (100) (c)

SD1 5.6 T Y318 3 ≤10 (3,0) 19 (72) 11.5 (0,8) 4:12 (33) to less than 7:12 (58) (c)

SD2 5.6 T Y3184 ≤10 (3 ,0) 19 ( 72) 11.5 (0,8) 7:12 (58) to less than 10:12 (83) (c)

SD3 5.6 T Y3185 ≤10 (3,0) 19 ( 72) 11.5 (0,8) 10:12 (83) to 12:12 (100) (c)

HIP 5.6 T Y3187 >20 (6,1) to ≤28 (8,5) 3 4 (129 ) 36.9 (2,5) 4:12 (33) to 12:12 (100) (c)

HIP 5.6 T Y3187 ≤20 (6,1) 25 (95) 20.0 (1,4) 4:12 (33) to 12:12 (100) (c)

AP 5.6 TY319 0

AP 4.2 TY219 0 3:12 (25) to 12:12 (100) 60 (d)

NOTES

a. T he BB and S D roof spa n is measured ho rizont ally (no t along th e slope) a s shown in F igure 1 an d Figure 2.
b. The HIP roof span is mea sured h orizontally as shown in Fi gure 2.
c. R efer to NFPA 13.
d. Maximum water delive ry tim e for all sy stem size s.
e. T he AP roo f span is measured along the slop e. Maxi mum 10 ft (3, m) p erpendicul ar to slop e by maxi mum 12 ft (3,6 m) p arall el to slop e.

10 (3,1) x 12 (3,6)

-See note (e)

Minimum 7 psi (0,48 bar)

Minimum 0.10 gpm/ft2

(4,1 mm/min.) Design Density

3:12 (25) to 12:12 (100) 60 (d)

TFP610

TIME,

ALLOWABLE ROOF SPAN, FLOW, PRESSURE, AND PITCH FOR

SPECIFIC APPLICATION SPRINKLERS FOR PROTECTING ATTICS

TABL E A

TFP610

Page 8 of 28

•

BB, SD, or HIP Sprinklers are on
arm-over or angled sprigs, and lo­cated at a maximum lateral dis­tance of 6 in. (152,4 mm) from the
branchline centerline.

•

A minimum lateral distance of
18 in. (450 mm) is maintained be­tween the CPVC pipe and a heat
producing device such as heat
pumps, fan motors, and heat
lamps.

• BLAZEMASTER CPVC may be used
exposed to provide wet system, ver­tical or angled, sprigs to AP Sprin­klers (refer to Figures 17A and 17B)
where:

• The exposed portion of an angled

sprig is a maximum length of 3 ft
(0,9 m), the sprig is supported ad­jacent to the AP Sprinkler, and ver­tical restraint is provided using the
CPVC hanger support for horizon­tal pipe runs.

•

Vertical sprigs have a maximum
exposed length of 10 ft (3,05 m),
the AP Sprinkler is located at a
maximum lateral distance of 12 in.
(3304,8 mm) from the sprig center­line, and the sprig is supported at
the swing joint to the AP Sprinkler.

•

A minimum 6 in. (152,4 mm) deep
of non-combustible insulation ex­tending 12 in. (304,8 mm) on each
side away from the centerline of
the CPVC branchline feeding the
AP sprigs (refer to Figure 17A). If
the CPVC branchline is located in­side the ceiling joist, the joist chan­nel must be covered or lled with a
minimum of 6 in. (152,4 mm) deep
of noncombustible insulation on
top of the branchline feeding the
AP sprigs (refer to Figure 17B). In­sulation is for re protection pur­poses. It is not freeze protection.
Additional depth of non-combusti­ble insulation may be added to re­duce the exposed length of the AP
sprigs.

•

A minimum lateral distance of
18 in. (450 mm) is maintained be­tween the CPVC pipe and a heat
producing device such as heat
pumps, fan motors, and heat
lamps.

Mismatched Slopes

Refer to Figure 10.

Obstructions

For BB, SD, and HIP, refer to Figure 16.
For AP Sprinklers, refer to Figure 18.
BB, SD, HIP, and AP Sprinklers may
be installed directly on maximum 2-1/2
inch NPS (DN65) branch lines without
the need for sprigs. See NFPA 13 for
requirements when installed on pipe
greater than 2-1/2 inch NPS (DN65).

Hydraulic Requirements

Refer to Figure 20.

Determine the Correct Flow and
Pressure

For BB, SD, or HIP Sprinklers, deter­mine the roof span (measured horizon­tally) and the slope of the roof, and then
refer to Table A. There is no interpola­tion of the flow and pressure shown.
Round all cases to the next higher
spacing. For example, a 45 ft (13,7 m)
span with the BB1 (K=8.0) would be
calculated at the 60 feet (18,3 m) span.

For the AP Sprinklers, the minimum
design pressure is 7 psi, and
the minimum design density is

0.10 gpm/ft² (4,1 mm/min). The NFPA
13, 20 psi (1,4 bar) minimum operating
pressure for Standard Spray Sprinkler
spacings parallel to the ridge that are
above 8 ft (2,4 m) does not apply to the
A P.

Coverage Area

• Coverage area for the BB Sprinklers
is determined by twice the distance
of the furthest throw measured along
the slope multiplied by the distance
along the branchline. The maximum
distance along branchline is 6 ft
(1,8 m) regardless of the length of the
throw.

Note: The distance along the branch­line may have to be reduced to less
than the maximum of 6 ft (1,8 m) to
remain under 400 ft² (37,2 m²) maximum
depending on the slope and the span.
In no case can the span exceed 60 ft
(18,3 m) without additional Standard
Spray Sprinklers.

• Coverage area for the SD (Single
Directional) Sprinklers is the distance

along the branchline multiplied by
the distance of the throw down the
slope. Regardless of the throw, the
maximum distance along the branch­line is 6 ft (1,8 m), the maximum
throw measured horizontally is 40 ft
(12,2 m), and the maximum coverage
per sprinkler is 400 ft² (37,2 m²).

• Coverage area for the HIP Sprinklers
is the distance down the larger slope
multiplied by two, and multiplied by
the distance between the sprinklers
as measured along the slope of the
hip.

• Coverage area for the AP (Attic Plus)
Sprinklers is the distance along the
branchline multiplied by the distance
between the branchlines. The max­imum spacing is 10 ft (3,1 m) per­pendicular to the slope and 12 ft
(3,6 m) parallel to slope, and as mea­sured on the slope. When there is
more than one row of AP Sprinklers,
the sprinklers must be staggered per
Figure 20-B-3. The maximum spac­ing per sprinkler is 120 ft² (11,1 m²).

Design
Guidelines

To design a project with the TYCO Spe­cific Application Attic Sprinklers, use
these steps as a guideline:

• Determine if single, dual directional
or hip sprinkler is needed.

• Determine the roof slope is between
3:12 to 12:12. If more than one slope
is being used on a project, select the
correct sprinkler for each area.

• Follow the guidelines for each type
of sprinkler.

• Calculate the sprinkler system in
accordance with the appropriate flow
and pressure information provided in
Table A, as well as Figure 20. There
is no interpolation of the flows and
pressures shown on the chart.

For BB Sprinklers
(Back to Back Dual Directional)

• Verify the framing direction is per­pendicular to the outside wall (refer
to Figure 12). If not, cover that area
with AP Sprinklers or Standard Spray
Sprinklers (refer Figure 13).

• Determine the throw needed. For
more information, see the spac­ing requirements in Table A. If over
20 ft (6,1 m) and up to 60 ft (18,3 m)
is required, use the 8.0 K-factor, BB
Sprinklers to reduce the pressure
required. If pressure is not a concern,
use the 5.6 K-factor, BB Sprinklers to
minimize over discharge.

• If less than 20 ft (6,1 m) is required,
use the 4.2 K-factor, Back to Back
Dual Directional to minimize pressure
and flow requirements.

• Determine the distance along the
slope. If the distance is not equal,
use the longer side. Multiply the lon­ger side by two to determine the
spacing down the slope. Four hun­dred divided by this value will deter­mine the maximum spacing along
the ridge. The maximum distance
is 6 ft (1,8 m). For example, a 12:12
slope at the maximum span of 60 ft
(18,3 m) will produce a slope length
of approximately 42.5 ft (13,0 m).
That number multiplied by two pro­duces an 85 ft (25,9 m) throw. A
400 ft² maximum divided by an
85 ft (25,9 m) throw only allows a
4 ft 8 in. (1,4 m) spacing along the
ridge. Using the maximum spacing,
space the sprinklers along the ridge.

• Avoid obstructions as shown in Fig­ure 16. If necessary, add Model AP
Sprinklers or Standard Spray Sprin­klers to maintain coverage around
obstructions.

TFP610

Page 9 of 28

For SD Sprinklers
(Single Directional)

• Determine the throw needed.

• As the 400 ft² (37,2 m²) is not a factor
with the SD Sprinklers, the maximum
spacing is 6 ft (1,8 m) and the mini­mum is 4 ft (1,2 m). For more infor­mation, refer to Figures 2 and 11. The
reason 400 ft² is not an issue with
the single directional is because, at
its maximum spacing, 6 ft (1,8 m) on
center / covering 40 ft (12,2 m) flat /
a 12:12 slope / and the throw being

56.5 ft (17,2 m), the 400 ft² (37,2 m²)
maximum would not be exceeded.

• Avoid obstructions as shown in Fig­ure 16. If necessary, add Model AP
Sprinklers or Standard Spray Sprin­klers to maintain coverage around
obstructions.

For HIP Sprinklers

• Verify framing direction is perpendic­ular to outside wall (refer to Figure

12). If not, cover that area with AP
Sprinklers or Standard Spray Sprin­klers (refer to Figure 13).

• From the intersection of the top of
the hip and the ridge, the maximum
distance down the slope of the hip is
3 ft (0,9 m). Start the layout with the
first sprinkler as close to that point as
possible, but no further, while staying
6 in. (152,4 mm) away from the face
of the trusses. Remember the slope
of the hip is not equal to the slope
of the roof from the ridge to the out­side wall. Continue to space sprin­klers down the hip at a maximum of
6 ft (1,8 m) on center as measured
along the slope of the hip. When the
bottom of the hip is encountered, the
last sprinkler must be within 7-1/2 ft
(2,3 m) of the outside wall as mea­sured flat (plan view). If this pipe is
“cut to fit”, remember to account for
the different slopes of the hip and the
roof, as well as distances measured
along the slope verses horizontal in
plan view must be accounted for.

• Avoid obstructions as shown in Fig­ure 16. If necessary, add Model AP
Sprinklers or Standard Spray Sprin­klers to maintain coverage around
obstructions.

Care and
Maintenance

The TYCO Specific Application Attic
Sprinklers for Protecting Attics must
be maintained and serviced in accor­dance with this section.

Before closing a fire protection system
main control valve for maintenance
work on the fire protection system
that it controls, obtain permission to
shut down the affected fire protec­tion system from the proper authorities
and notify all personnel who may be
affected by this action.

The owner is responsible for the
inspection, testing, and maintenance of
their fire protection system and devices
in compliance with this document, as
well as with the applicable standards of
the NFPA, such as NFPA 25. In addition
to the standards of any other authori­ties having jurisdiction. Contact the
installing contractor or product manu­facturer with any questions.

Automatic sprinkler systems should be
inspected, tested, and maintained by a
qualified Inspection Service in accor­dance with local requirements and/or
national code.

Sprinklers that are found to be leaking
or exhibiting visible signs of corrosion
must be replaced.

Automatic sprinklers must never be
painted, plated, coated, or otherwise
altered after leaving the factory. Modi­fied sprinklers must be replaced.

Over-heated solder type sprinklers
must be replaced. Bulb-type sprin­klers that have been exposed to cor­rosive products of combustion, but
have not operated, should be replaced
if they cannot be completely cleaned
by wiping the sprinkler with a cloth or
by brushing it with a soft bristle brush.

Care must be exercised to avoid
damage to the sprinklers before,
during, and after installation. Sprin­klers damaged by dropping, striking,
wrench twist/slippage, or the like, must
be replaced. Also, replace any sprinkler
that has a cracked bulb or that has lost
liquid from its bulb. For more informa­tion, refer to the Installation Section.

Limited
Warranty

For warranty terms and conditions, visit
www.tyco-fire.com.

Ordering
Procedure

Contact your local distributor for avail­ability. When placing an order, indicate
the full product name and Part Number
(P/N).

Sprinkler Assemblies with
NPT Thread Connections

Specify: Model (specify), K-factor
(specify), SIN (specify), Specific Appli­cation Attic Sprinkler, P/N (specify):

BB1 (K=8.0),

T Y418 0 . . . . . . . . . . . . . . . . . . . . . . 51-62 3-1-2 00

BB2 (K=8.0),

T Y418 1 ...................... 51-6 21-1-20 0

BB3 (K=8.0),

T Y418 2 ......................51-6 22-1-200

BB1 (K=5.6),

TY3180 ......................50 -601-1-212

BB2 (K=5.6),

TY3181 ......................50 - 602 -1-212

BB3 (K=5.6),

TY3182 ......................50- 6 0 3 -1-212

BB1 (K=4. 2),

TY2180 ......................50-620-1-200

BB2 (K=4.2),

TY2181 ......................50- 621-1-2 00

BB3 (K=4. 2),

TY2182 ......................50 - 6 22 -1-20 0

SD1 (K= 5.6),

TY3183 ......................50 -611-1-212

SD2 (K=5.6),

TY3184 ......................50- 612-1-212

SD3 (K=5.6),

TY3185 ......................50 - 613-1-212

HIP (K=5.6),

TY3187 ......................51-620-1-2 00

AP (K= 5.6),

TY3190 ......................5 0-62 5 -1-20 0

AP (K= 4.2),

TY2190 ......................5 0 - 624 -1-20 0

Sprinkler Wrench

Specify: W-Type 3 Sprinkler Wrench,
P/ N 5 6 -895-1- 001

Specify: W-Type 20 Sprinkler Wrench,
P/ N 5 6 -00 0 -1-10 6

Specify: W-Type 6 Sprinkler Wrench,
P/N 56-000-6-387