Page 252 - Praxair - Specialty Gases and Equipment Reference Guide

3002 Regulators

High Purity Regulators for Non-Corrosive Service

Single Stage Nickel-Plated Brass Barstock Body,
Four-Port Configuration, 316 Stainless Steel
Diaphragm
The 3002 Series regulators are intended for primary pressure
control of non-corrosive, high purity or liquefied gases. It is
recommended for applications where minor fluctuations in outlet
pressure due to diminishing inlet supply can be tolerated.

Typical Applications
■ Gas and liquid chromatography ■ High purity chamber
■ High purity carrier gases pressurization
■ Zero, span, and calibration ■ Liquefied hydrocarbon gas
gases control
■ Control for cryogenic gases

Features and Benefits
■ Nickel-Plated ■ Front and Rear Panel ■ Outlet Pressure Ranges ■ Low Wetted Volume
Brass Barstock Body Mountable 0-15 to 0-500 psig Minimal purge requirements
Controlled surface integrity Versatile system configuration Broad range of applications ■ Convoluted Diaphragm
Front panel mount ■ 316 Stainless Steel Smooth pressure transition
Base mount 10-32 UNF (2)
Diaphragm
No inboard diffusion

Specifications Materials
■ Maximum Inlet Pressure ■ Ports ■ Body ■ Filter
3000 psig (210 bar) 1/4" FNPT Nickel-plated brass barstock 10 micron sintered bronze
■ Temperature Range ■ Helium Leak Integrity ■ Bonnet ■ Diaphragm Section E – Gas Handling Equipment
-40 °F to 165 °F 1 x 10 scc/sec Nickel-plated brass barstock 316 stainless steel
-8
(-40 °C to 74 °C)
■ Cv ■ Seat ■ Internal Seals
■ Gauges .05 PFA Teflon ® Teflon ®
2" diameter
chrome-plated brass ■ Weight
3.2 lb (1.5 kg)
Ordering Information — Series PRS3002ABCD-CGA Highlighted selection indicates most popular model

A B C D CGA
Outlet Pressure Outlet Gauge Inlet Gauge Outlet Assemblies Assembly/Gauges Inlet Connections
1: 0-15 psig 30"-0-30 psig 0: None 0: 1/4" FNPT Port 0: Bare Body CGA,
2: 0-50 psig 30"-0-100 psig 3: 0-4000 psig 1: 1/4" MNPT 1: Standard Assembly DIN 477,
3: 0-100 psig 30"-0-200 psig 5: 0-1000 psig 2: 1/4" Tube Fitting (psi/kPa Gauges) BS 341
4: 0-250 psig 0-400 psig 6: 0-300 psig 3: Diaphragm Valve 1/4" Tube Fitting 2: Standard Assembly and others
5: 0-500 psig 0-1000 psig 7: 0-400 psig 4: Diaphragm Valve 1/4" MNPT (bar/psi Gauges) available
7: 0-150 psig 30"-0-200 psig 5: Needle Valve 1/4" MNPT
6: 1/8" Tube Fitting
7: 3/8" Tube Fitting
8: Diaphragm Valve 1/8" Tube Fitting
9: Diaphragm Valve 1/4" FNPT

Option Part Number Description
Panel Mount Kit PRS5500002T To mount the regulator using threads on the bonnet.
Captured Vent – Standard Equipment PRSSG6705 For easy piping of vented gases to a safe location in the event
3000 and 4000 1/16" FNPT of diaphragm failure.
Helium Leak Certification PRS4760002 Inboard helium leak certification to less than 1 x 10 scc/sec
-8
Protocol Station Add Letter “M” after CGA See page E •281 for details
Protocol Switchover Station Add Letter “C” after CGA See page E •282 for details
Protocol Switchover Station with Alarm Add Letter “G” after CGA See page E •283 for details
Protocol Alarm Station Add Letter “A” after CGA See page E •283 for details
Deep Purge Add Letter “D” after CGA See page E •279 for details

1-877-PRAXAIR www.praxairdirect.com E•251