Weiss Instruments 5VBM6-250, 3RBMS4-250 User manual

Plumbing
Heating

Cooling

Temperature, Pressure Instruments

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Throughout the 20th century, the Weiss name has been synonymous with
quality and reliability in instrumentation. Some of the products we have
manufactured for more than 124 years are proudly illustrated in this
catalog, dedicated to your requirements in the plumbing, heating and
cooling industry. Recent products such as our line of Vari-angle Digital
Thermometers, fast becoming the Contractor choice, are also available
to you.

Whether you require instruments for temperature or pressure monitoring,
the Weiss line offers a choice. Our commitment to quality extends well
beyond the products we provide. Each day we strive to offer our customers
responsive service and reliable deliveries, qualities so necessary in today’s
business climate. Weiss understands the trends of today’s market and we
look forward to proving our ability to react to the daily challenge.

A Quality Commitment ... Since 1882

INDEX

Industrial Thermometers Page 3
Six Inch and Thrift Line Industrial Thermometers 4
Six Inch Hot & Chilled Water, Hot Water Bimetal and General Purpose Thermometers 5
Bimetal Dial Thermometers 6
Vapor Actuated Dial Thermometers 7
Digital Vari-angle Thermometers 8
Trade Line and HVAC Pressure Gauges 9
Industrial Pressure Gauges 10
Process Pressure Gauges 11
Stainless Steel Industrial Gauges 12
Low Pressure Diaphragm Gauges and Tri-o-meters 13
Diaphragm Seals 14
Gauge Accessories and Hand Held Digital Thermometers 15

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INDUSTRIAL GLASS THERMOMETERS

The Weiss 7" and 9" Vari-angle®is molded of GE Valox®polyester,
40% glass/mineral reinforced. This particular material has excellent
strength, impact and stiffness properties which makes it perfect for
the toughest applications. Some of the uses are process piping,
tanks, pipelines in
Vari-angle is a versatile thermometer that can be adjusted easily
for optimum readability. Furnished in ranges up to and including 300°F.

ari-angle is a registered trademark of Weiss Instruments, Inc.

® V

FILL: Weiss "Blue Ribbon Liquid" is non-toxic and environmentally safe.

CASE: Modern V-shape design with parts molded of GE Valox polester,

in black textured finish. Heavy glass protected front firmly secured against
rattles by spring action.

STEM: For 31/2" stems only and ranges up to and including 300°F, the

stem material is a precision die cast Zamac alloy. For ranges above
300°F, bulb chamber is a precision machined aluminum alloy with copper
plated steel stem extension. For Separable Socket connections only.

alox is a registered trademark of the General Electric Co.

® V

building construction, boilers and air ducts. The

E35-75BS

9VU35

AIR DUCT THERMOMETERS

9" SCALE CAT NO.

31/2" STEM 9VD35
6" STEM 9VD6
9" STEM 9VD9

12" STEM 9VD12

ADD RANGE CODE FROM RANGE TABLE
LISTING. EX: 9VD6-180 (RANGE 30-180F)

ABOVE CAT. NUMBERS INCLUDE A REV-

ERSIBLE DUCT MOUNTING FLANGE.

7" SCALE CAT NO. 9" SCALE CAT NO.

31/2" STEM 7VU35 31/2" STEM 9VU35
6" STEM 7VU6 6" STEM 9VU6
9" STEM 7VU9 9" STEM 9VU9

12" STEM 7VU12 12" STEM 9VU12

ADD RANGE CODE FROM RANGE TABLE LISTING. EX: 9VU35-240 (RANGE 30-240F)
ABOVE CATALOG NUMBERS DO NOT INCLUDE SOCKETS - ORDER SEPARATELY
FROM THERMOWELL TABLE LISTING.

VARI-ANGLE ALUMINUM INDUSTRIAL THERMOMETERS

7" SCALE CAT NO.

31/2" STEM A7VD35
6" STEM A7VD6
9" STEM A7VD9

12" STEM

ADD RANGE CODE FROM RANGE
ABOVE CA

. NUMBERS INCLUDE

T

A7VD12

A

ABLE LISTING.

T

REVERSIBLE DUCT MOUNTING FLANGE.

9" SCALE CAT NO.

31/2" STEM A9VU35
6" STEM
9" STEM

12" STEM A9VU12

EX: 9VD6-180 (RANGE 30-180F)

A9VU6
A9VU9

°F RANGES SCALE DIV. RANGE CODE

40-0-110°F 2°110

INDUSTRIAL THERMOMETERS

0-120°F 1° 120

0-160°F 2° 160
30-180°F 2° 180
30-240°F 2° 240
30-300°F 5° 300
50-400°F 5° 400
50-550°F 5° 500

All Ranges 400°F (200°C) and higher are furnished in Aluminum Case.

THERMOWELLS AND ACCESSORIES

STEM LENGTH BRASS CAT NO. 304SS CAT NO. 316SS CAT NO. NPT INSERTION (U) LAG EXTENSION (L)

3 1/2" E35-75BS E35-75SS E35-75316SS 3/4 2 1/2 —

6" ER6-75BS ER6-75SS ER6-75316SS 3/4 5 —
9" ER9-75BS

ER9-75SS ER9-75316SS

3/4

12" ER12-75BS ER12-75SS ER12-75316SS 3/4 11 —

8—

3

1/2" ESS35-50BS ESS35-50SS ESS35-50316SS 1/2 2 1

31/2" ESS35-75BS ESS35-75SS ESS35-75316SS 3/4 2 1

6" EN6-75BS EN6-75SS EN6-75316SS 3/4 2 1/2 2 1/2
9" ENS9-75BS ENS9-75SS ENS9-75316SS 3/4 5 1/2 2 1/2

12" ENS12-75BS ENS12-75SS ENS12-75316SS 3/4 8 1/2 2 1/2

Catalog No. ECC - Brass Cap and Chain Assembly for Test Well

Other Lengths, Materials and NPT Sizes Available - Consult Factory.

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SIX INCH INDUSTRIAL THERMOMETERS

The Weiss 6" Navy Class Thermometer is compactly designed, ruggedly
constructed and has excellent readability. The blue-reading liquid-in-glass

tube maintains accuracy despite vibrations and shock.

This economical thermometer is built for general hydronic applications
such as chilled and hot water lines and all small piping networks. It is
especially adaptable to equipment operating under continuous vibrating
conditions.

FILL: Weiss "Blue Ribbon Liquid" is non-toxic and environmentally safe.

CASE: Attractive modern design; V-shaped gray Valox case. Wide angle

construction allows full scale width for easy reading.

STEM ASSEMBLY: Standard fittings of all brass construction which insures

5AS2

STRAIGHT FORM CAT NO. ANGLE FORM CAT NO. BRASS 304SS 316SS STEM INSERTION U

2" STEM 5SS2 2" STEM 5AS2 E13S-BS E13S-SS E13S-316SS 2" 1 5/16"
4" STEM 5SS4 4" STEM 5AS4 E13L-BS E13L-SS E13L-316SS 4" 3 5/16"

ADD RANGE CODE FROM RANGE TABLE LISTING. EX:5AS2-240 (RANGE 30-240F)
ABOVE CATALOG NUMBERS DO NOT INCLUDE SOCKETS - ORDER SEPARATELY
FROM THERMOWELL TABLE LISTING.

5SS2

proper response to temperature changes. Standard dual threaded socket for
1/2" and 3/4" NPT. Meets all current military specifications (Army, Navy, Air Force).

NAVY CLASS THERMOWELLS

TL5A2

THRIFT LINE THERMOMETERS

Same Features as Navy Class Thermometer except:

STEM & SOCKET ASSEMBLY: All brass stem. Removable socket

secured to stem by set-screw. Socket standard in brass with 1/2" NPT.

STRAIGHT FORM CAT NO. TL5S2
ANGLE FORM CAT NO. TL5A2

ADD RANGE CODE FROM RANGE
EX: TL5S2-240 (RANGE 30-240F). ABOVE CATALOG
NUMBERS DO NOT INCLUDE SOCKETS ORDER
SEPARATELY FROM THERMOWELL TABLE LISTING.

CAT NO. NPT INSERTION U

TL5S2

SF12-BS 1/2" 1 3/8"
SF34-BS 3/4" 1

ABLE LISTING.

T

THRIFT LINE THERMOWELLS

3/8"

F RANGES

°

40-0-110°F 2° 110

20-120°F 2° 120
20-180°F 2° 180
30-240°F 2° 240
30-300°F 5° 300
50-400°F 5° 400

SCALE DIV

.

RANGE CODE

4

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SIX INCH HOT & CHILLED WATER THERMOMETERS

The Weiss 6" Hot & Chilled Water Thermometer is our most
economical offering in industrial glass thermometers. The unit fea­tures components of non-corrosive materials and its compact design
and excellent readability makes the HW & CW Series ideal for a vari­ety of general purpose applications. Typical applications include
small pipe lines, residential and commercial boilers, solar heat­ing systems.

SCALE LENGTH: 5 1/2"
SCALE: White coated aluminum with permanently baked black markings.
TUBE: Magnifying blue liquid.
CASE: Molded V-shaped GE Valox®in gray textured finish.
RANGE: Hot Water 40-260°F (2°div.) and 5-125°C (1° div.)

Chilled Water -40-120°F (2°div.) and -40-50°C (1° div.)

CONNECTION: Brass 1/2" NPT.

HOT WATER CHILLED WATER

STRAIGHT FORM CAT NO. HW5S2 CAT NO. CW5S2
ANGLE FORM CAT NO. HW5A2 CAT NO. CW5A2

COMPLETE WITH 1/2" NPT BRASS CONNECTION WITH 1-3/8" INSERTION.

HW5S2

HW5A2

HOT WATER BIMETAL DIAL THERMOMETERS

Weiss' most economical offering in the dial thermometers is ideal for a number of general heating
applications including small pipelines. Units are furnished with 1/2" NPT brass removable socket or
3/4" sweat connection.

DESCRIPTION DIAL SIZE CAT. NO. RANGE FITTING

21/2" HWBM25 32-250 F&C 1/2" NPT

WATER BIMETAL

HOT

4" HWBM40 32-250 F&C 1/2" NPT

&C 3/4" NPT

F

0

1/2" HWBM25S

2

4" HWBM40S 32-25

32-25

F&C 3/4" NPT

0

HWBM25

GENERAL PURPOSE THERMOMETERS

The instruments illustrated here are general purpose type. The group consists of bimetal dial, glass

et clip and pock

pock

DESCRIPTION CAT. NO. RANGE

DIAL THERMOMETERS

POCKET
POCKET

POCKET DIAL PT220 0-220F
1

3/4" DIAL 134-160 40-0-160F

13/4" DIAL

GLASS THERMOMETERS

POCKET GLASS PLC120 30-0-120F
POCKET

DIGITAL THERMOMETERS

POCKET DIGITAL/AUTO OFF DP300 58-0-302F&C

POCKET

DIAL
DIAL

GLASS PLC220 0-220F

DIGITAL/

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et digital thermometers.

PT125 25-125F
PT180 40-0-180F

134-220 0-220F

ATER PROOF

W

DP300A

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58-0-302F&C

PLC120

134-160

PT180

DP300

DP300A

5

BIMETAL DIAL THERMOMETERS

W

eiss offers a complete line of Commercial Bimetal Thermometers
in 2", 3" and 5" dial sizes. All versions are hermetically sealed and
silicone dampened for optimum performance in most industrial
applications. A recalibration feature is standard on the Vari­angle types. Other 3" and 5" dial forms are available with
or without a reset feature for a wider customer choice and savings.

CASE: The entire case assembly is of Type 304 Stainless Steel. To insure

a moisture proof unit, the heavy glass face is securely gasketed with the
case and bezel assembly, hermetically sealed.

STEM ASSEMBLY: The stem and fixed thread connection is fabricated of stain-

less steel. All welded construction insures complete corrosion resistance.

5VBM42BM25

Model BM, RBM and VBM stem diameter is 1/4" and for 2" dials the fixed
thread is 1/4" NPT, 3" and 5" dials are 1/2" NPT.

MODEL 2BM - 2" Angle

CAT NO. Stem Length* NPT

2BM25 21/2" 1/4"
2BM4 4" 1/4"
2BM6 6" 1/4"
2BM9 9" 1/4"
2BM12 12" 1/4"

MODEL 3RBM, 3" Angle - 3RBMS, 3" Straight

CAT NO. Stem Length* NPT

3RBM25 3RBMS25 21/2" 1/2"
3RBM4 3RBMS4 4" 1/2"
3RBM6 3RBMS6 6" 1/2"

3RBM9 3RBMS9 9" 1/2"

3RBM12 3RBMS12 12" 1/2"

MODEL 3BM, 3" Angle - 3BMS, 3" Straight

T NO.

CA

3BM25 3BMS25 21/2" 1/2"
3BM4 3BMS4 4" 1/2"
3BM6 3BMS6 6" 1/2"

3BM9 3BMS9 9" 1/2"

3BM12 3BMS12 12" 1/2"

Stem Length* NPT

MODEL 5RBM, 5" Angle - 5RBMS, 5" Str.

Series RBM with

Recalibrator

5RBM25 5RBMS25 21/2" 1/2"
5RBM4 5RBMS4 4" 1/2"
5RBM6 5RBMS6 6" 1/2"
5RBM9 5RBMS9 9" 1/2"
5RBM12 5RBMS12 12" 1/2"

CAT NO. Stem Length* NPT

MODEL 3VBM, 3" Vari-angle

CAT NO. Stem Length* NPT

3VBM25 21/2" 1/2"
3VBM4 4" 1/2"
3VBM6 6" 1/2"

3VBM9 9" 1/2"

3VBM12 12" 1/2"

*Includes thread. Longer stem lengths available.

NOTE: When ordering Silicone Filled Bimetals add Prefix SF to appropriate Catalog No. Ex: SF5RBM25

ari-angle

with Recalibrator

®

CAT NO. Stem Length* NPT

5VBM25 21/2" 1/2"
5VBM4 4" 1/2"
5VBM6 6" 1/2"
5VBM9 9" 1/2"
5VBM12 12" 1/2"

MODEL 5BM, 5" Angle - 5BMS, 5" Str.

CAT NO. Stem Length* NPT

5BM25 5BMS25 21/2" 1/2"
5BM4 5BMS4 4"
5BM6 5BMS6 6" 1/2"
5BM9 5BMS9 9" 1/2"
5BM12 5BMS12 12" 1/2"

MODEL 5VBM, 5" Vari-angle

1/2"

FAHRENHEIT FIG. INTER. SCALE DIV. CELSIUS FIG INTER. SCALE DIV. DUAL SCALE - F&C

-80/0/120 20° 2° -50/0/50 10° 1° -80/0/120F -60/0/50C

-20/0/120 20° 2° **0/50 5° 1/2° -20/0/120F -30/0/50C
** 30/130 10° 1° 0/100 10° 1° **30/130F 0/55C

0/200
0/250

50/300
50/400
50/550
00/800 100° 10° *100/800F 40/425C

1

*

•

200/1000 100° 10° •*200/1000F 100/540C

*

• Satisfactory for continuous service up to 800°F or 425°C. Can be used for intermittent service from 800-1000°F or 425-500°C.

Minimum stem length for these ranges is 4". **Minimum stem length is 4" Straight and Vari-angle Form.

*

3/4" NPT BR6 6 41/2

3/4" NPT BN9 9 41/2 3

6

°

20

°

20

° 2° 0/300 50° 2° 50/300F 10/150C

20

° 5° *0/450 50° 5° 50/400F 10/200C

50

°5°

50

SEPARABLE SOCKETS FOR 3" AND 5" ONLY DUCT MOUNTING FLANGES

. NO. STEM LGTH.

T

CA

B25 21/2 1 BF3 STANDARD
B35

BR9 9 71/2
BR12 12 101/2

CAT. NO. STEM LGTH. INSERT LGTH. LAG EXT.

BSS35 4 11/2 13/4

BN6 6 21/2 2

BN12 12 71/2 3

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°

2

°

2

4

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0/150 10° 1° 0/200F -15/0/90C
0/200 20° 2° 0/250F -20/0/120C

° 5° 50/550F 10/260C

•

100/550

*

INSERT LGTH.

2

1/2 BF3-2 EXTENSION NECK

50

CA

. NO.

T

INSERTION

VAPOR ACTUATED DIAL THERMOMETERS

Offered in 3

1/2

"

and 4

" dial sizes, these

1/2

thermometers are furnished
in four stainless steel case configurations for direct, surface or panel
mounting. The following coding chart illustrates a wide variety of bulb
styles, capillaries and process connection fittings. The versatility of
configurations makes these thermometers well suited to a wide range
of applications including hot and chilled water pipeline systems, tanks
and air ducts.

CODE

CATALOG

NO.

DESCRIPTION

CASE SIZE

I

35 3
45 4

1/2

1/2

" Case
" Case

CASE TYPE

V Vari-angle®, Direct Mount

II

B Back Flange, Surface Mount
R Semi-flush, Panel Mount
Z Adjustable Bracket, Remote Mount

CASE CONNECTION

A Adjustable

III

B Back Connection
R Semi-flush, Panel Mnt., Stainless Steel

L Lower Connection

CASE WINDOW

IV

3 Snap in Lexan with “O” Ring

THERMAL SYSTEM

Bulb Bulb Capillary Capillary

Type Material Material Protection

0 Union Copper (Vari-angle only)

V

2 Plain Copper Copper Cu. Braid
3 Plain 316 S.S. 316 S.S. None
5 Union Copper Copper Cu. Braid
7 Union 316 S.S. Copper Cu. Braid
8

9

Union 316 S.S. 316 S.S. Intlock
Union 316 S.S. 316 S.S.

At bulb end 31/2" long.

*

at indicating head. No. 5–7 system include S.S. spring at bulb end –

S.S. jam nut standard on No. 8–9 system.

All systems have S.S. Spring capillary

None

BULB SELECTION

Thermal System Thermal System Max.

VI

No. 5 Thru 9(Union) No. 2 & 3 (Plain) System Len.

1 7/16 2.5" N.A. N.A. 10Ft.

* 7/16 3.4" 3/8 3.4 25Ft.

2

3

* 7/16 5.4" 3/8 4.9 50Ft.
4 7/16 7.4" 3/8 7.9 99Ft.
5 7/16 9.4" 3/8 9.4 99Ft.
X

6 N.A. N.A. 3/8 2.5 05Ft.

Dia.

1/8" x180"

Only No. 2&3 bulbs are options for V

*

Length Dia. Length

veraging Bulb

A

ari-angle.

10Ft.

STANDARD RANGES*

-40-0-60F 0-150F 30-300F

Armor

protection

VII

VIII

*

IX

A-B

EXAMPLE FOR OBT

(HEAD ASS

4

EXAMPLE FOR OBTAINING COMPLETE CATALOG

1 Union Connection 1/2" NPT
2 Union Connection 3/4" NPT
3 Separable Socket 1/2" NPT
4 Separable Socket 3/4" NPT
5 Separable Socket 1/2" NPT with 2" Lag Extention

6 Separable Socket 3/4" NPT with 2" Lag Extention

7 Air Duct Flange, Union Conn., Aluminum only
9 Plain bulb, no fitting

1 Brass
2 304 Stainless Steel
3 316 Stainless Steel
5 Aluminum (Air Duct Flange only)
0 None – Plain Bulb

See

Example

Below

NUMBER FROM CODES - SERIES VTR

CODE I–IV CODE V–VIII CODE IX A – B

L

B

5

NUMBER FROM CODES - SERIES VTVA

CODE I–IV CODE V–VIII

(HEAD ASSY) (THERMAL SYSTEM)

4 5 V A 3 — 0 2 3 1

-20-0-100F 0-180F 100-350F

-40-0-110F 40-240F 60-260F

*All Ranges available in Dual Scale, F&C.

45BL3

PROCESS CONNECTION FITTING

(No.3 Bulb only)

(No.3 Bulb only)

PROCESS CONNECTION MATERIAL

SYSTEM LENGTH SPECIFYING

- Use 2 digits: EX. 05, 10, 99 for length required.

9A

- Use FT

9B

Y)

4 —

for feet, use IN for inches

AINING COMPLETE CA

(THERMAL S

YSTEM) (CAPILLARY LENGTH)

31 — 05F T

2

5

RANGE

40-240 F

RANGE

40-0-60 F&C

ALOG

T

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7

DVU35

DIGITAL VARI-ANGLE THERMOMETER

SPECIFICATIONS

CASE Hi-impact ABS
RANGE -50
DISPLAY 3/8" LCD digits, wide ambient formula
ACCURACY 1% of reading or 1° whichever is greater
RESOLUTION 1/10° between -19.9/199.9°F (-28/93 °C)
RECALIBRATION Internal potentiometer
LUX RATING 10 Lux (one foot-candle)
UPDATE 10 seconds

AMBIENT OPERATING -30/140° F (-35/60 ° C)
AMBIENT TEMP ERROR Zero

HUMIDITY 100%
SENSOR Glass passivated thermistor

STEM ASSEMBL IES INDUSTRIAL GLASS BIMETALLIC

E35-75BS

/300° F -45/150° C

Full conformance with Full conformance with
Fed Spec GG-T-321D. AS ME B40.3 -1990.
Fully interchangeable Fully interchangeable
with Industrial Glass with Bimetallic Dial
Thermometers. Thermometers.

The Weiss patented*Digital Vari-angle®Thermometer maintains the strict requirements for themometers
in hydronic applications in that they’re self-powered and within 1% accuracy. This reliable series of digital
thermometers offers the added feature of stem assemblies for direct replacement of mercury-in-glass
types where environmental concerns exist. Whether on new installations or replacements, our
Vari-angle Digital Thermometers include the same level of quality that the industry associates with the
Vari-angle trademark and all Weiss Products.

*Patent No. 5,196,781

CAT. NO. DESCRIPTION IDN

DVU35 3 1/2" Industrial Stem 62100
DVU6 6" Industrial Stem 62110
E35-75BS*
ER6-75BS* 3/4" NPT 6" Socket 20500
EN6-75BS
DVBM25 2
DVBM4 4" x 1/2" NPT Stem 62130
DVBM6 6" x 1/2" NPT Stem 62140
DVD6 6" Stem w
DVD9 9" Stem w/ Duct Mtg. Flange 62320

*For use with DVU thermometers on new installations.

®

Vari-angle is a registered trademark of Weiss Instruments, Inc.

3

1/2" Socket

NPT 6" Ext. Socket 20501

1/2" x 1/2" NPT Stem 62120

Duct Mtg. Flange

/

20300

62310

*

3/4" NPT

3/4"

DVD6

Cat No. Description IDN

DVC-4 Outdoor Waterproof Cover 62410

(4 pcs per pack)

8

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TRADE LINE PRESSURE GAUGES

Weiss TL Gauges are intended for general service
conditions, for pressure or vacuum on air, oil, water,
gas or other mediums that do not attack brass.
TL Gauges are furnished in drawn steel cases, finished
in black. The 1
and 2" dial versions are available with 1/4" or 1/8" NPT
connections. All other dial sizes are 1/4" NPT. All gauges
conform with ANSI B40.1 accuracy Grade B-2%
mid scale.

RANGE

0-15 0.5 1
0-30 0.5 5
0-60 1 5
0-100 2 10
0-160 5 20
0-200 5 20
0-300 5 30
0-400 10 50
0-600 10 50

30-0-15 1" Hg.-0.5p 5" Hg.-3p
30-0-30 1" Hg.-1p 10" Hg.-5p
30-0-60 2" Hg.-1p 10" Hg.-10p
30-0-100 5" Hg.-2p 15" Hg.-10p
30-0-150 5" Hg.-2p 30" Hg.-20p

30"-0 0-5" In. Hg. 5" In. Hg.

GRADUATIONS FIG. INTERVAL

1/2" dials are supplied with 1/8" NPT

PRESSURE

TO SPECIFY

SIZE PRESSURE VACUUM COMPOUND CASE STYLE NPT MOUNT RANGE

COMPOUND

VACUUM

11/2" TL15P TL15V N/A U* 1/8" LMuor CBMv––

2" TL20P TL20V TL20VP U or F** 1/8 or 1/4" LM or CBM ––

21/2" TL25P TL25V TL25VP U or F 1/4" LM or CBM ––

1/2" TL35P TL35V TL35VP N/A 1/4" LM or CBM ––

3
41/2" TL45P TL45V TL45VP N/A 1/4" LM ––

Ex: TL20P-U 1/4" CBM 0-30psi

*U - U Clamp. **F - Front Flange.

TL45P

u

LM-Lower Mount. vCBM- Center Back Mount

TL20P

HVAC PRESSURE GAUGES

Weiss 4 1/2" CTS/CTA Pressure Gauges are designed to
meet the standard specifications for Heating, Cooling
and Air

Conditioning

applications. The CTS has a
less steel case for stem mount and the CTA is an
aluminum

back flange case for either

stem or sur

mounting. Both versions conform with ANSI B40.1

racy Grade A-1% mid scale.

accu

POINTER: Balanced adjustable aluminum.
DIAL: White coated metal, lithographed with black graduation lines

and numerals.

VEMENT:

MO
BOURDON TUBE & SOCKET: Phosphor bronze bourdon. Brass

stock socket 9/16" square wrench surface and 1/4" NPT
connection. Soft-soldered construction.

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Brass construction.

RANGE GRADUATIONS FIG. INTERVAL

0-15 0.2 1
0-30 0.5
0-60 1
0-100
0-160 2 20
0-200 2 20
0-300 5 50
0-400
0-600 10 50

4CT

*In the

PRESSURE

1 10

5

A-1 Gauge these ranges are not available.

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stain-

face

lower

5
5

50

4CT

A-1

COMPOUND

RANGE GRADUATIONS FIG. INTERVAL

30-0-15* 1" Hg.-0.5p 10" Hg.-5p
30-0-30 1" Hg.-0.5p 10" Hg.-10p
30-0-60 1" Hg.-1p 10" Hg.-10p
30-0-100 2" Hg.-1p 30" Hg.-20p
30-0-150* 2" Hg.-2p 30" Hg.-20p
30-0-300* 10" Hg.-5p 30" Hg.-50p

VACUUM

30"-0 0-5" In. Hg. 5" In. Hg.

4CTS-1

9

INDUSTRIAL PRESSURE GAUGES

B

N

The Weiss Series 088 Gauges are ideal for use on boilers, compressors, pumps, and any industrial
applications that require a heavy duty internal gauge. Our 4

1/2" case styles have a

glass window, solid back with safety blow out disc standard. Available in two case styles­Style B: Aluminum Back Flange and Style N: Aluminum No Flange, all have 1/4" NPT lower
mount connection. Optional 1/2" NPT available.

TO SPECIFY

SIZE CAT. NO. CASE STYLE NPT MOUNT RANGE

41/2" 4PG_-1 B - Back Flange 1/4" LM* ––
41/2" 4UG_-1 N - No Flange 1/4" LM ––

Ex: 4PGN-1 1/4" LM 0-160psi *LM - Lower Mount

CAT. NO. POINTER RANGE LIMITS BOURDON TUBE MOVEMENT SOCKET ACCURACY

PG-1

UG-1 MICROMETER VACUUM THRU 0-600 psi "C" PHOSPHOR BRONZE STN. STL. BRASS 1/2 of 1%

SLOTTED V

ADJUST

ADJUSTABLE SILVER BRAZED JOINTS BUSHED ROTARY ANSI GRADE 2A

ABLE

RANGE

0-15 0.1 1
0-30 0.2 5
0-60 0.5
0-100 1
0-160 1
0-200 2 20
0-300 2 50
0-400 5 50
0-600

ACUUM

THRU 0-600 psi

PRESSURE

GRADUA

TIONS

5

"C" PHOSPHOR BRONZE BRASS

VER BRAZED JOINTS BUSHED ROT

SIL

FIG. INTERVAL

5
10
20

50

RANGE

30-0-15
30-0-30 1" Hg.-0.5p 10" Hg.-5p
30-0-60 1" Hg.-1p 10" Hg.-10p
30-0-100 2" Hg.-1p 10" Hg.-10p
30-0-150 5" Hg.-2p 10" Hg.-20p
30-0-300 5" Hg.-2p 30" Hg.-25p

30"-0 0.2" In. Hg.

COMPOUND

GRADUA

0.5" Hg.-0.2p 5" Hg.-3p

A

V

ARY

TIONS FIG. INTERVAL

UUM

C

BRASS 1%

5" In. Hg.

ANSI GRADE

A

10

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PROCESS PRESSURE GAUGES

The 41/2" Process Gauge is designed for those severe service applications
where operator safety is a factor. This solid front gauge is equipped with a
solid wall separating the indicating dial from the bourdon tube and a blow­out back which will release from the case if the bourdon tube should
rupture.
Available with phosphor bronze/brass, 316 stainless steel or monel internals,
liquid-filled or dry construction, this gauge is ideally suited for the require­ments of the Process, Power and Chemical Industries. This high quality
gauge offers the benefit of field filling without any additional kits or
accessories.

NF4UGY1

NF4UGY1 NON-FILLED / LF4UGY1 LIQUID FILLED

SOCKET: Brass
BOURDON TUBE: Phosphor bronze - C tube to 600 psi.

AISI 316 stainless steel coiled tube 1000 psi and above.

CONNECTING JOINTS: Silver brazed
MOVEMENT: Bushed stainless steel
DIAL: White aluminum, black & red markings (psi & kPa)
POINTER: Black aluminum, micrometer adjustable
CASE: Black impact resistant phenolic
WINDOW: Acrylic
RING: Reinforced polypropylene
GASKETS: Ethylene propylene
ACCURACY: 0.5% ASME B40.1 Grade 2A

CONNECTIONS: 1/4" or 1/2" NPT lower or lower back
CAT. NO. LF4UGY1: Lower connection only.

PRESSURE

RANGE GRADUATIONS FIG. INTERVAL

0-15 0.1
0-30 0.2 5
0-60
0-100 1 10
0-160 1 20
0-200 2 20
0-300 2 50
0-400 5 50
0-600
0-800
0-1000
0-1500 10 200
0-2000 20 200
0-3000 20 500
0-5000
0-10000 100 1000
0-20000 200 2000

0.5 5

5
10
10 100

50

1

50

100

500

NF4UGY2 NON-FILLED / LF4UGY2 LIQUID FILLED

SOCKET: AISI 316 stainless steel
BOURDON TUBE: AISI 316 S.S. - C tube to 600 psi.

Coiled tube 1000 psi and above.

CONNECTING JOINTS: Welded
MOVEMENT: Bushed stainless steel
DIAL: White aluminum, black & red markings (psi & kPa)
POINTER: Black aluminum, micrometer adjustable
CASE: Black impact resistant phenolic
WINDOW: Acrylic
RING: Reinforced polypropylene
GASKETS: Ethylene propylene
ACCURACY: 0.5% ASME B40.1 Grade 2A

CONNECTIONS: 1/4" or 1/2" NPT lower or lower back

NO. LF4UGY2:

.

T

CA

COMPOUND

RANGE GRADUATIONS FIG. INTERVAL

30-0-15 0.5" Hg.-0.2p 5" Hg.-3p
30-0-30 1" Hg.-0.5p 10" Hg.-5p
30-0-60 1" Hg.-1p 10" Hg.-10p
30-0-100 2" Hg.-1p 10" Hg.-10p
30-0-150 5" Hg.-2p 10" Hg.-20p
30-0-300

bar -1-0 0.01 0.1
kPa -100-0 1 10

30"-0 0.2" In. Hg. 5" In. Hg.

5" Hg.-2p 30" Hg.-25p

VACUUM

connection only

Lower

.

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11

STAINLESS STEEL INDUSTRIAL GAUGES

Where vibration, corrosion and pulsating conditions exist, the Weiss
line of stainless steel cased liquid filled and dry construction industrial
pressure gauges are designed to meet the most severe applications.
This series of instruments includes a wide range of accuracies, case
patterns and construction materials to cover most requirements.

LF251

LF402

LIQUID FILLED

T. NO. DIAL SIZE INTERNALS ACCURACY NPT

CA

LF251 21/2" BRONZE 1.6% 1/4"
LF252 2

LF441 4" BRONZE 1% 1/4"
LF401 4" BRONZE 1% 1/4" or 1/2"

LF402 4" 316 S.S. 1% 1/4" or 1/2"

LF602 6" 316 S.S. 1% 1/4" or 1/2"

Above selections are for direct stem mounting. For panel mounting versions add suffix U (U-clamp) or F (Front Flange) to the above Catalog No.

1/2" 316 S.S. 1.6% 1/4"

DRY CONSTRUCTION

CAT. NO. DIAL SIZE INTERNALS ACCURACY NPT

NF252 21/2" 316 S.S. 2% 1/4"

NF401 4" BRONZE 1% 1/4"

NF402 4" 316 S.S. 1% 1/4" or 1/2"

NF601 6" BRONZE 1/2% 1/4"
NF602 6" 316 S.S. 1/2% 1/4" or 1/2"

RANGES FOR LF25 & NF25 RANGES FOR LF40, NF40 & NF60

PRESSURE

RANGE GRADUATIONS FIG. INTERVAL

0-15 0.5 3
0-30
0-60
0-100 1 10
0-160 2
0-200 2 20
0-300 2.5 30
0-400 4 40
0-600 10 100
0-1000 10 100
0-1500
0-2000
0-3000 100 500
0-5000

RANGE

30-0-30 2" Hg.-1p 10" Hg.-5p
30-0-60 2" Hg.-2p 10" Hg.-10p
30-0-100 5" Hg.-2p 30" Hg.-20p
30-0-150 5" Hg.-5p 30" Hg.-25p
30-0-200 5" Hg.-5p 30" Hg.-20p
30-0-300 10" Hg.-5p 30" Hg.-50p

0-30" 1" In. Hg. 5" In. Hg.

12

NOTE: psi and Metric Scales available, consult factory.

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0.5 5

0.5 5

20

20
25 300

100

COMPOUND

GRADUATIONS FIG. INTERVAL

VACUUM

300

1000

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RANGE GRADUATIONS FIG. INTERVAL

0-15 0.5 3
0-30 0.5 5
0-60 0.5 5
0-100 1 10
0-160 2
0-200 2 20
0-300 2.5 30
0-400 4 40
0-600 10 100
0-1000
0-1500 20 300
0-3000 25 300

0-5000
0-10000
0-15000 200 2000
0-20000

RANGE GRADUATIONS FIG. INTERVAL

30-0-30 2" Hg.-1p 10" Hg.-5p
30-0-60 2" Hg.-2p 10" Hg.-10p
30-0-100 2" Hg.-2p 10" Hg.-20p
30-0-150 5" Hg.-5p 10" Hg.-10p
30-0-200 10" Hg.-5p 30" Hg.-20p

0-30" 0.5" In. Hg. 5" In. Hg.

PRESSURE

20

10 100

50

100

200

COMPOUND

ACUUM

V

500

1000

2000

LOW PRESSURE DIAPHRAGM GAUGES

Designed for pressures below 15 psi, the Weiss Diaphragm Gauge offers
an instrument highly sensitive yet durably constructed. Furnished in black
drawn steel cases. Available in 2
back connected.

SOCKET: Brass
MOVEMENT: Brass
DIAPHRAGM: Copper alloy.
DIAL: White coated aluminum, lithographed with black

graduation lines and numerals.

TO SPECIFY

SERIES SIZE RANGE TYPE CASE STYLE NPT MOUNT RANGE

Ex: DG25P3 1/4" LM 0-10psi

*LM - Lower Mount **CBM - Center Back Mount

1/2" dial size and 1/4" NPT lower or center

DG 21/2" P3-Pressure U-U Clamp 1/4" LM* ––

25 V3-Vacuum CBM** ––

C3-Combination

DG25P3

PRESSURE

RANGE

0-3psi 0.05 0.5
0-5 psi 0.1 1.0
0-10 psi 0.1 1.0
inch/water
0-15 0.2 3.0
0-30 0.5 5.0
0-60 1.0 10.0
0-100 1.0 10.0

oz.-sq. in.
0-10 0.1 1.0

0-15 0.2 3.0
0-30 1.0 5.0
0-100 1.0 10.0

GRADUATIONS FIG. INTERVAL

COMBINATION INNER SCALE OUTER SCALE

ATER OZ. WATER GRADS FIGURE GRADS FIGURE

IN. W

OUTER SCALE INNER SCALE INTERVAL INTERVAL

0-35 0-20 0.5 5.0 0.5 5.0
0-15 0-9 0.2 1.0 0.2 3.0
0-60 0-35 1.0 5.0 1.0 10.0

VACUUM - in water vac.

RANGE GRADUATIONS FIG. INTERVAL

30-0 0.5 5.0
60-0 1.0 10.0

100-0 1.0 10.0

TRI-O -METERS

The W

eiss T

ri-o-meter is designed for use on all types of hot water heating systems. One
instrument reads the water pressure, water temperature and system head in feet of H
Available in 21/2" dial with 1/4" NPT rear connection and 31/2" dial with 1/2" NPT lower
or rear connected.

2O.

Series C 0-75 psi & Ft. of H2O 60-260F&C

H 0-200 psi & kPa

. NO. DESCRIPTION

T

CA

CTP25R 1/4" NPT Rear
CTP25RX 1/4" NPT rear x 2" Extension
CTP40RSX
CTP40L 1/2" NPT Lower
HTP40RSX 1/2" NPT rear
HTP40L 1/2" NPT lower

1/2" NPT

80-320F&C

Rear

HTP40L

CTP25R

13

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DIAPHRAGM SEALS

DS

MD

The Weiss line of Diaphragm Seals, in conjunction with Weiss pressure indicators, offers instrumentation
that’s rugged and carefully calibrated to withstand the most severe industrial, process or OEM service.
Our diaphragm seals are available in a variety of metal housing materials and process connection sizes
to fit most requirements.

DV

DT

MN

Series DS/DV/DT

Max. Pressure/ Temperature Limits: Vacuum thru 2300 psi to 100°F,
1500psi to 200°F, 600 psi to 400°F.

Top Housing: 1/4" or 1/ 2" NPT (304S.S. standard)
Diaphragm: 316 L S.S. welded, Viton* or Teflon**
Nuts and Bolts: Stainless Steel
Lower Housing: 1/4" thru 1" NPT

* Viton is furnished for Vacuum, 30 psi and Compound 30-0-15 psi ranges.

** Teflon is available for ranges to 200 psi.

Ranges 0-30” HG, 30-0-15 psi, 30-0-30 psi. Silicone Filling only.

Ordering Code: ___ -DS____-___ DS= 316 SS Ex: 25-DS12-50

A -DV B C D DV=Viton

-DT DT=Teflon

A. Top Connection

25 = 1/4" NPT 0 = No flushing conn. 2 = 316 SS 25 =1/4" NPT
50 = 1/2" NPT

LIQUID FILLINGS: Food-Grade Glycerine • Silicone DC200

The Series
housing, as well as the diaphragm, are type
piece integral unit, ideally suited for those applications where space is a factor

MD/MN is a compact, lightweight, economical diaphragm seal. The upper and lower

B. Flushing/No Flushing C. Lower Housing Mat'l D. Process Conn.

=1/2" NPT

1 = Flushing conn.

316 stainless steel - all welded together making a one

.

50
75 =3/4" NPT
10 = 1" NPT

The use of a hermetically sealed, liquid filled pressure gauge in
seal protects the indicating gauge from both the process medium and atmospheric conditions, as
well as reduces pointer fluctuations due to vibration and pulsation.

Series MD

Opr. Pressure: 30 psi thru 1000 psi

emperature Limits:

T
Top Connection: 1/4" or 1/ 2" NPT
Process Connection: 1/4",1/2" or 3/4" NPT

Ordering Code: ___-MDN2-___

Ex:

A. Top Connection B. Process Conn.

25 = 1/4" NP
50 = 1/2" NPT 50 = 1/2" NPT

-5 to 300

A

25-MDN2-50

14

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F

°

B

25 = 1/4" NPT

75 = 3/4" NPT

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conjunction with either a MD or MN

Series MN

:

. Pressur

Opr

emperature Limits:

T
Top Connection: 1/4" NPT
Process Connection: 1/4" or 1/2" NPT

Ordering Code: 25-MNN2-___

e

X. Process Connection

25 = 1/4" NPT

50 = 1/2" NPT

psi thru 1000 psi

0

10

-5 to 300

25-MNN2-25

Ex:

°F

X

GAUGE ACCESSORIES

-14B

25NVBR

PSN

TABLE 1 - PRESSURE SNUBBERS

HOUSING

STYLE CODE MA

PSN B Brass 25 1/4" 1,500psi

TERIAL CODE MATERIAL CODE NPT AT 70°F

S 303 S.S. 50 1/2" 1.500psi

TABLE 2

POROSITY PORE OPENING

SYMBOL CODE TYPE OF SERVICE MEAN MAX.

E Water and Light Oil (30 to 225 SSU*) .0013 .0025

D Oil (225 to 500 SSU) .0025 .005
G Air and other Gases .0004 .0009

*SSU - Saybolt Seconds Universal Viscosity

For complete Catalog No. use Coding from Table 1 & 2.

NEEDLE VALVE

CAT. NO. SIZE MATERIAL RATING

25NVBR 1/4" FNPT X 1/4" FNPT Brass 600 psi & 300°F

SYPHONS

CAT. NO. SIZE MATERIAL RATING

SY-14S 1/4" MNPT x 1/4" MNPT Iron 500 psi & 400°F

SY-14B 1/4" MNPT x 1/4" MNPT Brass 250 psi & 400°F

GAUGE COCKS

CAT. NO. SIZE MATERIAL RATING

TC-14 1/4" FNPT x 1/4" FNPT Brass 150 lb. Steam
MTC-14 1/4" FNPT x 1/4" MNPT Brass 150 lb. Steam
LC-14 1/4" FNPT x 1/4" FNPT Brass 150 lb. Steam

BALL VALVES

CAT. NO. SIZE MATERIAL RATING

BV25 1/4" FNPT x 1/4" FNPT Nickel Plated Brass 450 psi & 250°F
MBV25 1/4" FNPT x 1/4" MNPT Nickel Plated Brass 450 psi & 250°F
BV50 1/2" FNPT x 1/2" FNPT Nickel Plated Brass 450 psi & 250°F

SY

HOUSING NPT PSI RATING

EX: PSN-B-25-E = Brass Housing 1/4" NPT, E Porosity Disc.

TC-14

LC-14

BV25

HAND HELD DIGITAL THERMOMETER

ENVIRONMENTAL

Ambient Operating Range: 0 to 50
Storage Temperature: -10 to 60°C -14 to 140°F
Humidity: 0% to 90% (0 to 35°C) 0% to 70% (35 to 50°C)

ACCURACY

Function Range Accuracy + (% of reading+degrees)

°C -50°C to 1000°C 0.3% ± 1°C
°F -50°F to 1999°F 0.3% ± 2°F

GENERAL

Weight: 206 GM (7.2oz)
Dimension: 5.31"L

Battery: Standard 9V battery (NEDA 1604,6F22 or 006P)
Battery life: Approx.150 hours.
Low battery indication: The (BT) is displayed when the

battery voltage drops below the operating voltage.

Over range indication: OL
Measurement rate: 2.5 measurements per second.
Display: (3) 1/2" liquid crystal digit display, 14mm high LCD.

ellow Grip Sleeve:

Y
Data Hold Feature - Max Hold Feature
Output Jack:
Instruction manual: Included.

x 2.83"W x 1.22"H (135x 72 x 31mm)

Included.

For temperature recording or computer interface.

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°C 32 to 122°F

DT51A-1

The DT51A-1 is a type K thermocouple based single
probe thermometer with a range of -50/1999°F,
resolution switch (0.1°F or 1°F), Data Hold and Max
Memory feature, °F or °C switch and includes a
general use probe and carr

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OBES

PR

Cat. No.

KS
KA Type K Air/Surface probe 8ft.
KG Type K General Purpose probe 8ft.
KP Type K Puncture Probe 5ft.
KO Type K Oven probe 8ft.
KL Type K Long Velcro 8ft.
KB

Description Length

ype K Surface probe w/velcro

T

ype K Bead probe

T

ying case.

8ft.

8ft.

15