Page 281 - Praxair - Specialty Gases and Equipment Reference Guide

400 Series

Flow Control Valves

400, 402 and 403 Series Flow Control Valves
These precision valves are used to provide manual flow control
for applications not requiring a pressure regulator.
Caution: Closed systems could reach full cylinder pressure
with the use of these devices.

Ordering Information
Series Part Number Outlet Material Maximum
Conection Pressure
400 PRS4001-CGA Hose End Brass 0-3000 psig
PRS4002-CGA 1/4" Tube Brass 0-3000 psig
PRS4003-CGA 1/4" FNPT Brass 0-3000 psig
402 PRS4021-CGA Hose End 316 SS 0-3000 psig
PRS4022-CGA 1/4" Tube 316 SS 0-3000 psig
PRS4023-CGA 1/4" FNPT 316 SS 0-3000 psig
403 PRS4031-CGA Hose End Monel 0-3000 psig
®
PRS4032-CGA 1/4" Tube Monel 0-3000 psig
®

401 Series Flow Control Valves
The 401 Series manual control valves are similar to the 400,
402 and 403 Series but with the addition of a 0-3000 psig
gauge for monitoring cylinder pressure.
Caution: Closed systems could reach full cylinder pressure
with the use of these devices.

Ordering Information
Section E – Gas Handling Equipment
Series Part Number Outlet Material Maximum
Conection Pressure
401 PRS4011-CGA Hose End Brass 0-3000 psig
PRS4012-CGA 1/4" Tube Brass 0-3000 psig
PRS4013-CGA 1/4" FNPT Brass 0-3000 psig

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