Page 280 - Praxair - Specialty Gases and Equipment Reference Guide

5002 Purges

Purge Assemblies

5002 Series Purge Assemblies Deep Purge,
Tee Purge, Straight Purge
The 5002 Series purges are designed for use with high purity
gases to insure system integrity upon breakdown of components
or during gas source changes. Most commonly, these purge
assemblies are used with pressure control devices as an integral
option or can be used within gas delivery systems to isolate Deep
pressure or flow control equipment. Purge
The 5002 Series purges are offered in brass and stainless steel.
Brass and stainless steel purges are offered only with diaphragm
valves. Optional testing can be provided to certify these purge
assemblies are helium leak-tight for the most demanding services.
These devices are intended for use with chemicals that are Tee
compatible with the listed materials. Purge

Specifications
n Maximum Pressure n Body
3000 psig (20,700 kPa) Brass purge: Brass barstock
SS purge: 316 stainless steel
n Weight
Deep purge: 3.0 lb (1.4 kg) n Diaphragms (purge valves)
Tee purge: 2.5 lb (1.1 kg) Brass purge: Elgiloy ®
Straight purge: 1.2 lb (0.6 kg) SS purge: BeCu and
stainless steel
n Seat/Seals
KEL-F /Teflon ®
®
Ordering Information – Series PRS5002 Section E – Gas Handling Equipment
Part Number Description
PRS50023007-CGA Deep Purge, Brass Straight
PRS50023009-CGA Deep Purge, Stainless Steel
PRS50022003-CGA Tee Purge, Brass Purge
PRS50022005-CGA Tee Purge, Stainless Steel
PRS50021002-CGA Straight Purge, Brass
PRS50021005-CGA Straight Purge, Stainless Steel

Cylinder Alarm Monitor
The low cylinder alarm monitor is used to monitor the contents of
non-corrosive, non-flammable, non-liquefied gas cylinders where
pressure is proportional to the remaining contents. It has been
designed to mount directly to a cylinder. A built in alarm will sound
when the field adjustable pressure is set. Unit operates on a 9 volt
battery, and has a battery indicator. Only available in CGA 580.

Specifications
n Temperature Range n Power
0 to 125 °F 9 volt battery
n Wetted Parts n Adjustable Range
Brass 200 to 2500 psig

Ordering Information – Series PRS5002
Part Number Description
PRS00100001-580 Battery Alarm

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