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PFQ/PFQ-LF Stainless Steel Liquid Filled Gauge
Brand: Winters Instruments
Features
- 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