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TESCOM™ Metal Diaphragm Shutoff Valve
Metal Diaphragm Shut-off Valve is designed for use with inert, reactive, corrosive (Stainless Steel body), flammable and oxidizing gases and gas mixtures.
Ideal for use in laboratories, R & D and analyzer applications and line shut-off components in central pure gas supply systems.
TESCOM™ Metal Diaphragm Shutoff Valve


Nominal Pressure
580 psig / 40.0 bar
Operating Temperature
-4°F to 158°F / -20°C to 70°C
Port Size & Type
1/4 NPTF
D43712: Brass
D43715 / D44932: Stainless Steel
D44931: Chrome-plated Brass
Diaphragm: Stainless Steel
D43712 / D44931: 0.8 lbs / 0.35 kg
D43715 / D44932: 0.9 lbs / 0.40 kg
Additional Information
For custom modifications or a complete system solution, please contact your local sales office.


  • Short and effective purging due to the metal diaphragm construction
  • Clearly visible open or close position
  • Leakage rate against atmosphere 10-8┬ámbar l/sec He
  • Variability of nominal width and connections


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