Winters Instruments Stainless Steel Liquid Filled Gauge, PFQ/PFQ-LF
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PFQ/PFQ-LF Stainless Steel Liquid Filled Gauge

Brand: Winters Instruments
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Specifications
  • Pulsation resistant, liquid filled stainless steel case 
  • Glycerin filled standard 
  • Brass, lead free brass or stainless steel internals 
  • Restricted orifice standard on dual scale 
  • Ventable plug on 2.5" (63 mm) and 4" (100 mm) bottom mount (excluding SAE connection) 
  • Crimp-on bezel 
  • Single (psi) or dual scale (psi/kPa) / (psi/bar) available 
  • Optional U-Clamps and front flanges 
  • Dry case available 
  • ASME B40.100 compliant (EN837-1 available on 2" (50 mm) dial and up) 
  • CRN registered 

Specifications

Brand

Accuracy

  • 1-1/2” (40 mm), 2” (50 mm): ± 2.5 % of Full Scale Value
  • 2-1/2” (63 mm), 4” (100 mm): ± 1.5 % of Full Scale Value

Ambient Temperature Range

  • Dry: -40° to 93° C (-40° to 200° F)
  • Glycerin Filled: -20° to 65° C (-4° to 150° F)

Approvals & Certifications

  • EN 837-1
  • CRN
  • RoHS

Enclosure, Body Material

  • AISI 304 Stainless Steel

Environmental Protection

  • IP65

Fill Material

  • Dry
  • Glycerin
  • Silicone

Gasket Material

  • Lens Ring Gasket: Silicone Rubber
  • Socket Gasket: Buna-N for Two-Piece Internal Socket Seal

Lens

  • Polycarbonate Lens

Materials of Construction

  • Bourdon Tube, Socket (PFQ): AISI 316 Stainless Steel
  • Bourdon Tube: Phosphor Bronze C or Coil Shaped for Brass Socket or Lead Free Phosphor Bronze C
  • Bourdon Tube: Stainless Steel C or Coil Shaped for 316 Stainless Steel Socket
  • Pointer (Anodized Black), Dial (White with Black & Red Markings): Aluminum
  • Socket: Brass - PFQ (OT 58) & PFQ-LF (Lead Free)

Movement

  • OT 59 Brass
  • Stainless Steel (SST)

NPT Connection

  • 1/2” NPT Male
  • 1/4” NPT Male
  • 1/8” NPT Male

Operating Pressure

  • Maximum

Overpressure & Static Pressure Limits

  • Overpressure: 15 % for Pressures over psi: 1,450 (kPa: 9,998, bar: 99.98)
  • Overpressure: 25 % for Pressures up to psi: 1,450 (kPa: 9,998, bar: 99.98)

Plug Material

  • Fill Plug: Buna-N

Pressure Range

  • bar: -1 to 1,034
  • Inches Hg: -30 to 0
  • kPa: -101.4 to 103,421
  • psi: -14.7 to 15,000

Process Temperature

  • Dry: -40° to 93° C (-40° to 200° F)
  • Glycerin Filled: -20° to 65° C (-4° to 150° F)

Ring Material

  • AISI 304 Stainless Steel, Crimp-On

SAE Connection

  • 7/16”-20 SAE Male

Size

  • Dial: 1-1/2” (40 mm)
  • Dial: 2” (50 mm)
  • Dial: 2-1/2” (63 mm)
  • Dial: 4” (100 mm)

  • Ideal for Pumps, Compressors, Hydraulic Presses, Machinery, Pneumatic Equipment and Motors in Harsh Environments
  • Use Where Harmful Vibration and Pulsation are Present
  • Lead Free Version for Potable Water Systems

Documentation

Data Sheets

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