Apollo Conbraco PVB4A, PVBLF4A User Manual

LEAD FREE*

PVB4A & PVBLF4A Series

Pressure Vacuum Breaker

– A Series –

DESCRIPTION

The Apollo® Model PVB4A and PVBLF4A Pressure Vacuum Breaker A Series prevents contamination
of the potable water supply due to back-siphonage. A standard integral freeze protection relief
valve serves to reduce the possibility of damage due to intermittent freezing conditions. The
modular check valve cartridge provides a captured spring, a replaceable seat, and a reversible
silicone seat disc. This Made in America assembly features ball valve shutos with stainless steel
handles and nuts as standard and carries the ve-year Apollo® factory warranty.

Job Name:

Job Location:

Engineer:

Contractor:

Tag:

PO Number:

Representative:

Wholesale Distributor:

FEATURES

• Low pressure loss documented by
independent approval agencies

• Built-in freeze resistance feature
standard

• Easily removable modular check valve
cartridge

• Captured stainless steel springs

• Ball valve shutos w/ SS handles & nuts
standard

• Test cocks located for easy draining

• Corrosion resistant

• No special tools required

• Unique canopy detachment

• Made in the USA

• Vertical up / Horizontal installation

PERFORMANCE RATING

• Maximum Operating Pressure: 150 psi

• Temperature Range: 33 °F – 140 °F

APPROVALS

• ASSE 1020

• CSA B.64.1.2

• IAPMO

• Approved by the Foundation for Cross­ Connection Control and Hydraulic
Research at the University of Southern
California

DIMENSIONS

Factory

Number

4A503A2 1/2” 4-1/2 3-3/4 7-1/4 2.9
4A504A2 3/4” 4-3/4 4-1/8 7-5/8 3.0
4A505A2 1” 5-3/8 4-5/8 8-3/8 4.2
4A506A2 1-1/4” 7 5-1/4 9-7/8 4.4
4A507A2 1-1/2” 7-1/4 5-5/8 10-1/8 7.3
4A508A2 2” 8-1/2 6-3/8 11-1/2 8.9

Size
(in.)

Dimensions (in.)

A B C

Wt. (lbs.)

STANDARD MATERIALS LIST

Part Name Material

Body Bronze C84400 or

C89836 Lead Free*

Ball Valves, Test cocks

Canopy UV-Resistant ABS
Bonnet Glass-Filled PPO
Check Valve Cartridge Glass-Filled PPO
Springs Stainless Steel
Seat Discs Chloramine-resistant Silicone
Float Glass-Filled Polypropylene
O-rings Chloramine-resistant EPDM

Bronze C84400 or
C87800 Lead Free*

* LEAD FREE: The wetted surfaces of this product shall contain no more than 0.25% lead
by weighted average. Complies with Federal Public Law 111-380. ANSI 3rd party approved
and listed.

This specication is provided for reference only. Conbraco Industries Inc. reserves the right to change any portion of this specication without notice and without incurring
obligation to make such changes to Conbraco products previously or subsequently sold. Please visit our website @ www.apollovalves.com for the most current information.

SS1382 © 06/14 Page 1 of 2

Apollo Valves, Manufactured by Conbraco Industries, Inc.

701 Matthews Mint-Hill Road, Matthews, NC 28105 USA

www.apollovalves.com | [phone]

LEAD FREE*

PVB4A & PVBLF4A Series

Pressure Vacuum Breaker

– A Series –

FACTORY CODE

4A XX 50 X X X F

SIZE SHUTOFF VALVES

4A = Non-Lead Free 3 = 1/2" A2 = w/ball valves (Standard) Blank = NPT testcocks
4ALF = Lead Free* (3/4” - 1”) 4 = 3/4" A4 = w/union end ball valves F = SAE testcocks

5 = 1"
6 = 1-1/4"
7 = 1-1/2"

FLOW CURVES

Meter Rated Flow

12
11
10

9
8
7
6
5
4
3

PRESSURE LOSS (PSI)

2
1

0510 15 20 25 30 35 40

5 fps 3/ 4"5 fps 1/2"

8 = 2"

PVB4A

3/4"

1/2"

RATE OF FLOW (GPM)

PVB4A

12
11

10

9
8
7
6
5
4
3

PRESSURE LOSS (PSI)

2
1

020406080 100

12
11
10

9
8
7
6
5
4
3

PRESSURE LOSS (PSI)

2
1

020406080 100 120 140 160 180

5 fps 1-1/ 4"5 fps 1"

1"

1 1/4"

RATE OF FLOW (GPM)

PVB4A

5 fps 2"5 fps 1-1/2"

1 1/2"

2"

RATE OF FLOW (GPM)

* LEAD FREE: The wetted surfaces of this product
shall contain no more than 0.25% lead by weighted
average. Complies with Federal Public Law 111-380.
ANSI 3rd party approved and listed.

Curves developed from independent approval
agencies actual tests – Consult factory for details.

indicates rated ow as determined by approval
agencies, 7.5 ft/sec is the typical maximum Plumbing
system ow rate.

Apollo Valves, Manufactured by Conbraco Industries, Inc.

701 Matthews Mint-Hill Road, Matthews, NC 28105 USA

www.apollovalves.com | [phone]

This specication is provided for reference only. Conbraco Industries Inc. reserves the right to change any portion of this specication without notice and without incurring
obligation to make such changes to Conbraco products previously or subsequently sold. Please visit our website @ www.apollovalves.com for the most current information.

SS1382 © 06/14 Page 2 of 2