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Instrumentation

PFP PREMIUM STAINLESS STEEL LIQUID FILLED PRESSURE GAUGE

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Liquid-filled stainless steel case provides protection against vibration and pulsation. Bayonet ring ensures a secure and durable design.

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Product details

Overview

DESCRIPTION & FEATURES

  • Liquid-filled stainless steel case provides protection against vibration and pulsation.
  • Bayonet ring ensures a secure and durable design.
  • Highly accurate for precision measurement.
  • Available in back, bottom, or panel mount configurations.
  • Under and overload stops enhance durability.
  • Ventable plug on 2.5” to 4.5” stainless steel, 4.5” brass bottom mount, and 4” stainless steel back mount gauges.
  • Stainless steel or brass wetted parts for compatibility with different media.
  • Restrictor screw standard on dual scale models (optional on single scale).
  • Dry case option available for applications requiring non-liquid-filled gauges.
  • ASME B40.100 & EN837-1 compliant, RoHS compliant (for SS internals), and CRN registered.
  • 5-year warranty for reliability and long-term use.

Applications

  • Designed for outdoor and severe ambient/process conditions.
  • Suitable for use where harmful vibration and pulsation are present.
  • Ideal for hydraulic equipment, pressure washers, oil field equipment, pumps, compressors, and process systems.

SPECIFICATIONS

   Stainless Steel Internals Brass Internals
Dial 2.5” (63mm), 4” (100mm), 4.5" (115mm), 6” (150mm) white aluminum with black and red markings 4” (100mm), 4.5" (115mm) white aluminum with black and red markings
Case AISI 304 SS AISI 304 SS
Lens

Polycarbonate,

High pressure BSP(G) and HP: Tempered safety glass

Polycarbonate
Ring AISI 304 SS AISI 304 SS
Socket

316L SS, Welded one-piece socket

OT 58 brass
Connection

1/4” NPT or 1/2” NPT standard

2.5” (63mm): 1/4” NPT standard only,

High Pressure: 1/2" BSP(G) or 9/16" (HP or HP autoclave w/gland)

1/4” NPT or 1/2” NPT standard
Bourdon Tube 316L SS, drawn seamless Phosphor bronze
Movement 304 SS (under and overload stops 4" to 6") OT 59 brass (under and overload stops 4")
Pointer

2.5” (63mm): Aluminum, anodized black,

4” (100mm), 4.5" (115mm), 6” (150mm): Aluminum, anodized black, micrometer adjustable

4” (100mm), 4.5" (115mm): Aluminum, anodized black, micrometer adjustable
Welding Laser welded socket to case Silver alloy
Fill Liquid Glycerin Glycerin
Over-pressure Limit

25% for pressures up to 1,450 psi (9,998 kPa),

15% for pressures over 1,450 psi (9,998 kPa)

25% for pressures up to 1,450 psi (9,998 kPa),

15% for pressures over 1,450 psi (9,998 kPa)

Socket Gasket   

N/A

4" (100mm), 4.5" (115mm): Buna N for two piece internal socket seal
Fill Plug    Buna N (silicone rubber option) Buna N (silicone rubber option) 
Lens Ring Gasket  Buna N (silicone rubber option)  Buna N (silicone rubber option) 
Working Pressure Maximum 75% of full scale value Maximum 75% of full scale value
Ambient Temperature

Dry: -40°F to 250°F (-40°C to 120°C)

Glycerin filled: -4°F to 150°F (-20°C to 65°C)

Dry: -40°F to 200°F (-40°C to 93°C)

Glycerin filled: -4°F to 150°F (-20°C to 65°C)

Process Temperature -40°F to 250°F (-40°C to 120°C) -40°F to 200°F (-40°C to 93°C)
Accuracy

2.5” (63mm): ±1.5% of full scale

4” (100mm), 4.5" (115mm), 6” (150mm): ±1% ANSI/ASME Grade 1A

±1% ANSI/ASME Grade 1A
Enclosure Rating NEMA 4X/IP66, EN60529-1 (IEC529-1) NEMA 4X/IP66, EN60529-1 (IEC529-1)
Warning (brass internals only) N/A Warning: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.  For more information go to www.P65Warnings.ca.gov.

 

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