Back To Top
TESCOM™ Diaphragm Metering Valve
Diaphragm Metering Valve provides precision flow control of high purity gases in point-of-use assemblies or in combination with pressure regulators.
Ideal for controlling the flow of process media with high accuracy and laboratory, R & D and analyzer applications. This valve is also suitable for ECD (Electronic Capture Detector) applications.
TESCOM™ Diaphragm Metering Valve


Nominal Pressure PN
290 psig / 20.0 bar
Nominal Diameter
DN 2
Body: Brass or Stainless Steel
Surface of Other Parts: Brass, Chromium Plated
Diaphragm: Hastelloy®
Operating Temperature
-4°F to 158°F / -20°C to 70°C
Flow Capacity
Cv = 0.024
Diaphragm metering valve without wall mounting plate: 0.66 lbs / 0.3 kg
Additional Information
For custom modifications or a complete system solution, please contact your local sales office.


  • Precise control of flows
  • Almost linear flow characteristic
  • Metal-to-metal seals
  • For gas purity up to 6.0 (99.9999% purity)
  • Suitable for corrosive gases
  • Cleaned for Oxygen service