TESCOM™ 449-254 SERIES PRESSURE REGULATOR GAS

449-254 Series high purity, high flow pressure reducing regulators are ideal for high pressure bulk specialty gas delivery systems (BSGS). The 449-254 Series offers a Cv = 1.0, surface finish of 10 Ra and is available with Hastelloy® trim. Inlet pressure is 1500 psig / 103 bar with outlet pressures up to 400 psig / 27.6 bar

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TESCOM 449-254 Series

Specifications

Maximum Inlet Pressure 1500 psig / 103 bar
Outlet Pressure Range 25-400 psig / 1.7-27.6 bar
Design Proof Pressure 150% maximum rated
Inboard Leak Rate
Operating Temperature -40°F to 140°F / -40°C to 60°C
Flow Capacity Cv = 1.0
Body 316L VAR Stainless Steel
Diaphragm Cobalt Chrome Nickel Alloy (Eligiloy®)
Seat PCTFE
Trim Nickel Alloy (Hastelloy®)*
Valve Nickel Alloy (Hastelloy®)*
Internal Surface Finish 10 Ra microinch / 0.25 micrometer
Connections Welded Female or Male VCR®
Tube Stubs
Internal Volume 12 cc
Weight 3.5 lbs / 1.6 kg
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