Page 274 - Praxair - Specialty Gases and Equipment Reference Guide

3008 Regulators

Special Purpose Regulators – Electrically Heated

Single Stage Chrome-Plated Brass Barstock Body,
316L Stainless Steel Diaphragm, Electrically Heated
for Carbon Dioxide and Nitrous Oxide
The 3008 Series regulators are designed to help prevent
freeze-up problems associated with high flows of carbon dioxide
and nitrous oxide.

Typical Applications
n Chemical storage blanketing n Semiconductor reactor furnace
n Anaerobic chambers n Inductively coupled plasma
n Inert gas purging systems
n Atomic absorption oxidizer gas n Ph control

Features and Benefits
n Chrome-Plated Brass n Single 200 Watt Heater n 316L Stainless Steel n Convoluted Diaphragm
Barstock Body Maintains gas flow rate up to Diaphragm Smooth pressure adjustment
Smooth surface finish 350 scfh Unaffected by temperature
n Two Stage Design or outboard diffusion
Helps prevent dry ice build-up n Low Wetted Surface Area
Minimal purge requirements

Specifications Materials
n Maximum Inlet Pressure n Gauges n Body n Filter Section E – Gas Handling Equipment
3000 psig (210 bar) 2" diameter chrome-plated Chrome-plated brass barstock 10 micron
brass
n Thermostat Temperature n Bonnet n Diaphragm
Range n Helium Leak Integrity Chrome-plated die-cast 316 stainless steel
90 °F to 125 °F, ± 8 °F 1 x 10 cc/sec
-8
(35 °C to 48 °C) n Seat ® n Internal Seals
®
n Cv PTFE Teflon PTFE Teflon
n Heater 0.15
1 @ 200 watts
(110 or 220 VAC) n Weight
6.8 lb
n Ports
1/4" FNPT
Ordering Information – Series PRS3008ABCD-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 0-30 psig 0: None 0: 1/4" FNPT Port 0: 110 VAC Bare CGA
2: 0-30 psig 0-60 psig 3: 0-4000 psig 1: 1/4" MNPT 1: 110 VAC
3: 0-50 psig 0-100 psig 2: 1/4" Tube Fitting (psi/kPa Gauges)
5: 0-100 psig 0-200 psig 3: Diaphragm Valve 1/4" Tube Fitting 2: 220 VAC Bar Body
4: Diaphragm Valve 1/4" MNPT 3: 220 VAC
5: Needle Valve 1/4" MNPT (psi/kPa Gauges)
6: 1/8" Tube Fitting 4: 110 VAC
(bar/psi Gauges)
5: 220 VAC
(bar/psi Gauges

Option Part Number Description
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•273