PFG Refrigeration Gauge

Brand: Winters Instruments

Features
  • 2-1/2" (63 mm) to 6" (150 mm) durable gauges
  • 2-1/2" (63 mm) dial has a blue or red coloured case for easy identification
  • Dual scale (psi/° F)
  • Flutterless movement on the 2-1/2" (63 mm)
  • Chlorofluorocarbon (CFC) temperature scales (R-12, R-22 and R-502)
  • Brass internals
  • 1/4" NPT standard
  • ASME B40.100 compliant
  • CRN registered

Specifications

Accuracy

  • 2-1/2" (63 mm): ± 2 % of Full Scale Value
  • 4" (100 mm), 6" (150 mm): ± 1 % ANSI/ASME Grade 1A

Ambient Temperature Range

  • -40° to 70° C (-40° to 158° F)

Approvals & Certifications

  • CRN

Enclosure, Body Material

  • Plastic
  • Steel

Environmental Protection

  • IP52

Lens

  • Glass Lens
  • Plexi Glass

Materials of Construction

  • 2-1/2" (63 mm) [Vibration Free, (Flutterless Movement)], 4" (100 mm), 6" (150 mm): Phosphor Bronze
  • Dial (White), Pointer (Anodized Black): Aluminum
  • Welding: #50 Tin Solder

NPT Connection

  • 1/4" NPT Male
  • 1/8" NPT Male

Operating Pressure

  • Maximum

Overpressure & Static Pressure Limits

  • Overpressure: 25 % of Full Scale Value
  • Retard psi: 250 (kPa: 1723.7)

Pressure Range

  • bar: -1 to 34.5
  • Inches Hg: -30 to 0
  • kPa: -101.4 to 3,447
  • psi: -14.7 to 500

Process Temperature

  • -40° to 70° C (-40° to 158° F)

Ring Material

  • 2-1/2" (63 mm): Stainless Steel, Crimped
  • 4" (100 mm): Brass, Polished
  • 6" (150 mm): Steel, Painted Black

Size

  • Dial: 2-1/2" (63 mm)
  • Dial: 4" (100 mm)
  • Dial: 6" (150 mm)

  • Refrigeration Equipment and Refrigeration Recovery Equipment
  • Suitable for Non-Clogging and Non-Corrosive Media

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