Page 260 - Praxair - Specialty Gases and Equipment Reference Guide

100 and 120 Regulators

General Purpose Regulators

120 Series – General Purpose, 100 Series – General Purpose,
High Flow Two Stage Regulator Single Stage Regulator
The 120 Series is an economical instrument regulator, for use The 100 Series is an economical single stage regulator with high flow
where precise pressure control is required. It is recommended for capabilities. It can be used for the same applications as a 120 Series
non-corrosive gases, for general plant and laboratory applications. where a slight variation in delivery pressure can be tolerated.

Features and Benefits Features and Benefits
■ Preset Safety Relief Valve ■ Large Diaphragms ■ Preset Safety Relief Valve ■ Needle Valve
Helps prevent pressure buildup Helps provide precise control Helps prevent pressure buildup Controls gas flow
in second stage
■ Needle Valve ■ 2" Stainless Steel Diaphragm
Controls gas flow Sensitive pressure control Section E – Gas Handling Equipment
Specifications Specifications
■ Inlet Pressure ■ Cv ■ Inlet Pressure ■ Cv
3000 psig .15 3000 psig .15
■ Temperature Range ■ Body Ports ■ Temperature Range ■ Body Ports
-40 °F to 140 °F 1/4" FNPT -40 °F to 140 °F 1/4" FNPT
(-40 °C to 60 °C) ■ Gauges (-40 °C to 60 °C)
2-1/2"

Materials Materials
■ Body ■ Bonnet ■ Body ■ Seats and Seals
Forged brass Chrome-plated die cast Forged brass PTFE/Viton ®
■ Diaphragm ■ Needle Valve ■ Diaphragm ■ Bonnet
316L stainless steel Forged brass Stainless steel Chrome-plated die cast
■ Seats and Seals
PTFE/Viton ®

Ordering Information Ordering Information
Part Number Delivery Pressure Outlet Inlet Part Number Delivery Pressure Outlet Inlet
Ranges Gauges Gauges Ranges Gauges Gauges
PRS1201-CGA 2-15 psig 0-30 psig 4000 psig PRS1001-CGA 2-15 psig 0-30 psig 0-4000 psig
PRS1202-CGA 4-80 psig 0-100 psig 4000 psig PRS1002-CGA 4-80 psig 0-100 psig 0-4000 psig
PRS1203-CGA 5-125 psig 0-200 psig 4000 psig PRS1003-CGA 5-125 psig 0-200 psig 0-4000 psig

Option – 120 and 100 Series 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•259