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981 Series
150BL & 150SD
Sizes: 1 ½" - 150BL & 150SD
Case & Ring: Stainless Steel, Crimped
Window: Acrylic
Dial: White with black & blue scales
Pointer: Black aluminum
Mounting Connection: 1/8" NPT Back & Lower
Tube & Socket: 150BL -Brass/Bronze
150SD - SS
Movement: 150BL - Brass
150SD - SS
Ranges: See Product Data Sheet
All Ranges are dual scale PSI & Bar/Kpa
Accuracy: ASME B40.1, Grade B.
± 3-2-3%
Liquid Fill: Glycerine (BL models are liquid filled; SD models are field fillable)
PRODUCT DATA SHEET
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981 Series
200BL & 200SD
Sizes: 2" - 200BL & 200SD
Case & Ring: Stainless Steel, Crimped
Window: Acrylic
Dial: White with black & blue scales
Pointer: Black aluminum
Mounting Connection: 1/8" NPT & 1/4” NPT Back & Lower
Tube & Socket: 200BL -Brass/Bronze
200SD - SS
Movement: 200BL - Brass
200SD - SS
Ranges: See Product Data Sheet
All Ranges are dual scale PSI & Bar/Kpa
Accuracy: ASME B40.1, Grade B.
± 3-2-3%
Liquid Fill: Glycerine (BL models are liquid filled; SD models are field fillable)
PRODUCT DATA SHEET
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981 Series
250BL, 250SD & 250SL
Sizes: 2 ½” - 250BL, 250SD & 250SL
Case & Ring: Stainless Steel, Crimped
Window: Acrylic
Dial: White with black & blue scales
Pointer: Black aluminum
Mounting Connection: 1/4” NPT Back & Lower
Tube & Socket: 250BL -Brass/Bronze
250SD & 250SL - SS
Movement: 250BL - Brass
250SD & 250SL - SS
Ranges: See Product Data Sheet
All Ranges are dual scale PSI & Bar/Kpa
Accuracy: ASME B40.1, Grade B.
± 3-2-3%
Liquid Fill: Glycerine (BL & SL Models are liquid filled; SD is field fillable)
PRODUCT DATA SHEET
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981 Series
400B & 400S
Size: 4”
Case: Stainless Steel
Window: Plastic
Dial: Aluminum, black & blue markings
on white background
Pointer: Black aluminum, micrometer adjustable
Tube & Socket: 400B - Brass;
400S - Stainless Steel
Movement: 400B - Brass;
400S - Stainless Steel
Connection: 1/4” or 1/2” NPT Lower Mount or
Lower Back Mount
Accuracy: ASME B40.1 Grade 1A ±1%
Options: Liquid Fillable (Glycerine or Silicone)
U-clamp or Front Flange Mounting
Ranges: Vacuum thru 10,000 psi & Compound;
Dual Scale, PSI & kPa
PRODUCT DATA SHEET
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500 Series Type WAD
All Stainless Steel
Size: 63mm (2½”)
Case & Ring Material: AISI 304 Stainless Steel
Wetted Parts: AISI 316 Stainless Steel
Window: Sheet Glass, Safety Glass Optional
Dial Material: Aluminum, Black grads on white background
Pointer: Aluminum, Black fixed
Liquid Fillable: Yes
Accuracy: ±1.6% of full scale
Connections: 1/4” NPT Lower or Center Back
Ranges: Vacuum & Compound to 10,000 psi
(NOTE: Compound only availble in Lower Mount)
Mounting Options: Front Flange, U-clamp, Rear Flange &
Min/Max Pointer
PRODUCT DATA SHEET
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500 Series Type WAL
All Stainless Steel
Sizes: 4” (100mm), 4 1/2” (115mm),
6” (150mm)
Accuracy: Dry - ±1% of full scale,
ASME Grade 1A
Liquid Filled - ±1.5% of full scale
Case: AISI 304 SS (Fillable)
Ring: AISI 304 SS, Bayonet
Wetted Parts: AISI 316L SS
Movement: AISI 304 SS
Connection: 1/4” NPT Lower & Back,
1/2” NPT Lower only
Stops: Internal overload & underload stops standard
Protection: IP 55 & IP 65
Dial: Aluminum, black graduations on white background
Pointer: Aluminum, black, micrometer adjustable
Window: Safety Glass Standard
Blow off Disc: Neoprene
Gasket: Neoprene
Fillable: Yes
Ranges: Vac & Compound to 20,000 psi
Mounting Options:
4”, 4½” & 6” - Front Flange
4”, 4½” & 6” - Rear Flange
4”& 4½” - U-clamp
PRODUCT DATA SHEET
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