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Winters PTR Tamper Resistant Gauge

Winters PTR Tamper Resistant Gauge


  • Process industry where tamper-resistant gauge/seal is required to protect against maintenance errors in the field


  • Solid front, pressure relief back welded to a 316L stainless steel one-piece diaphragm seal body
  • 316L stainless steel diaphragm for use on most corrosive media
  • Permanently enclosed silicone filled system
  • Field-fillable gauge
  • Orifice restrictor available for severe pulsation
  • Pin stop at 6 o’clock available
  • ASME B40.100 compliant
  • CRN registered
  • 5 year warranty on gauge, 1 year warranty on seal

Dial 4.5” (115mm) white aluminum with black and red markings
Case Black phenolic with pressure relief back, solid front, integral back flange
Solid Wall Phenolic
Pressure Relief Back Polypropylene
Window Polycarbonate
Ring Phenolic
Pointer Aluminum, anodized black, micrometer adjustable
Socket 316L SS
Bourdon Tube 316L SS, drawn seamless
Movement 304 SS with protective under and overload stops
Gasket Materials Silicone (Viton® option)
Welding TIG
Over-Pressure Limit

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

15% for pressures up to 1,500 psi to 5,000 psi (10,341 kPa to 34,474 kPa)

Working Pressure Maximum 75% of full scale value
Ambient Temperature Dry: -40°F to 250°F (-40°C to 120°C)
Process Temperature  Silicone Filled: -49°F to 302°F (-45°C to 150°C)
Accuracy ±1% ANSI/ASME Grade 1A
Enclosure Rating IP65
Specifications – Seal
Housing AISI 316 SS
Diaphragm AISI 316L SS, welded
Minimum Operating Pressure 15 psi (103 kPa)
Maximum Operating Pressure 2,500 psi to 5,000 psi (17,237 kPa to 34,474 kPa)
Process Connection    1/2” NPTM
System Fill Silicone Oil KF96 50CS