TESCOM™ 44-4700 SERIES

TESCOM 44-4700 Series is an extremely sensitive, high purity, backpressure regulator for specialty, flammable and industrial gases for low pressure, and sub-atmospheric pressure control. Diffusionresistant metal diaphragm seal ensures gas purity and leak integrity.

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TESCOM 44-4700 Series

Specifications

Maximum Inlet Pressure 50 mm Hg absolute – 15 psig / 1 bar
50 mm Hg absolute – 50 psig / 3.4 bar
50 mm Hg absolute – 100 psig / 6.9 bar
50 mm Hg absolute – 150 psig / 10.3 bar
Design Proof Pressure 150% maximum rated
Leakage Internal: Bubble-tight
External: ≤ 2 x 10-8 atm cc/sec He
Ambient Operating Temperature -40°F to 165°F / -40°C to 74°C
Flow Capacity Cv = 0.04
Cv = 0.30 (optional)
Maximum Operating Torque 25 in-lbs / 2.8 N•m
Body 316 Stainless Steel
Bonnet Electroless Nickel Plated Brass
Seat PTFE
Spring Main Valve and Bias 316 Stainless Steel
Diaphragm 316 Stainless Steel
Remaining Parts 316 Stainless Steel
Cleaning CGA 4.1 and ASTM G93
Weight (without gauges) 2.75 lbs / 1.2 kg
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