PVD Convoluted Diaphragm Gauge




  • Filtration systems
  • Low pressure gas systems
  • Leak detection
  • Used in tank level, horizontal or vertical flow applications, filtering of very low pressure gases.


  • Versatile high static low differential pressure gauge
  • Switches available for actuation
  • ASME B40.100 compliant
  • IP65 enclosure rating
  • 5 year warranty


Case Aluminum or engineered plastic
Lens Shatter resistant acrylic (standard), safety glass (optional)
Line Connection Locations Dual top & bottom
Connection Dual 1/4″ NPTF
Wetted Parts Materials SS parts with Buna N seals (standard), Hastelloy­®C parts with Buna N seals (optional)
Body Material SS, aluminum, brass, engineered plastic or Hastelloy­®C
Internals/Movement Magnetic coupling with convoluted diaphragm sensor
Migration of Media Zero
Seal Buna N (standard), FKM, silicone, neoprene
Standard Ranges 0 – 5 thru 400″ H2O (12.4 mbar – 1 bar)
Maximum Pressure

Aluminum, brass, SS: 500 psi (35 bar),

Engineered plastic: 300 psi (20 bar),

Hastelloy®C: 500 psi (35 bar)

Maximum Temperature -40°F to 200°F (-40°C to 93°C)

0 – 5 thru 9.9″ H2O: ±5% of full scale,

0 – 10 thru 400″ H2O: ±2% of full scale

Warning (brass internals only) 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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