Page 242 - Praxair - Specialty Gases and Equipment Reference Guide

Regulators

Regulator Summary and Reference Guide

Regulator Summary
Critical Purity – 4000 Series Regulators High Purity Economical – 2000 Series Regulators
These stainless steel and brass regulators are recommended These chrome-plated brass regulators have similar features to
where purity and contamination requirements are important. the 3000 Series with a few specific design characteristics. They
They are most often used with Critical Purity Gases (greater are most often used with high purity gases (less than 99.999%
than 99.9995% or purity grade 5.5) and Toxic or Flammable or purity grade 5.0) when higher flow rates are required and
gases, where vent lines are required from the regulator. The cost is the most important issue. The 2000 Series regulators
4000 Series regulators are available for both corrosive and are available for non-corrosive service.
non-corrosive service.
Special Purpose Regulators
High Purity – 3000 Series Regulators These regulators incorporate quality features from all of the
These nickel-plated brass/stainless steel regulators are above series. They have been designed with special features
recommended for applications where diffusion resistance is for specific applications.
an important factor in ensuring purity. They provide the same This Regulator Reference Guide will assist you in the
features as the 4000 series with the exception of the relief valve. appropriate selection of a Specialty Gas regulator. We have
This series is most often used with high purity gases (equal to provided a “Series” recommendation for each pure gas offered
99.999% or purity grade 5.0). The 3000 Series regulators are in this catalog. Within each Series select which model best suits
available for both corrosive and non-corrosive service. your needs using the selection and reference guidelines. If you
have any questions, contact your local Praxair Specialty Gases
representative or Customer Service Center.

Reference Guide
Critical Purity – 4000 Series Special Purpose
Non-Corrosive Models Regulator Type Page Regulator Models Regulator Type Page
4012 Series Dual Stage E •244 2006 Series Single Stage E •261
4002 Series Single Stage E •245 Cryogenic Liquid Cylinder Service
4005 Series Line Regulator E •246 3025 Series Single Stage E •262
Non-Corrosive Gas in Lecture Bottles Section E – Gas Handling Equipment
Corrosive Models Regulator Type Page
4032 Series Dual Stage E •247 3026 Series Single Stage E •262
Corrosive Gas in Lecture Bottles
4022 Series Single Stage E •248 2010 Series, High Purity/Non-Corrosive Dual Stage E •263
4025 Series Line Regulator E •249
4083 and 4085 Series, Critical Purity/ Single Stage/ E •264
High Purity – 3000 Series High Flow, Non-Corrosive Service Line
4084 and 4086 Series, Critical Purity/ Single Stage/ E •265
Non-Corrosive Models Regulator Type Page
3012 Series Dual Stage E •250 High Flow, Corrosive Service Line
3002 Series Single Stage E •251 4092 and 4093 Series Piston E •266
3004 Series Line Regulator E •252 High Inlet/Outlet Pressure for
Corrosive and Non-Corrosive Service
Corrosive Models Regulator Type Page 145 Series Piston E •267
3032 Series Dual Stage E •253 High Inlet/Outlet Pressure for
3022 Series Single Stage E •254 Corrosive and Non-Corrosive Service
3024 Series Line Regulator E •255 4094 and 4095 Series Piston E •268
High Pressure/High Flow
High Purity Economical – 2000 Series
3013 Series, High Purity for Oxygen Service Dual Stage E •269
Non-Corrosive Models Regulator Type Page 3003 Series, for Oxygen Service Single Stage E •270
2012 Series Dual Stage E •256 3005 Series, Oxygen Line Regulator Line E •271
2002 Series Single Stage E •257 4008 Series Single Stage E •272
2005 Series Line Regulator E •258 High Purity, Corrosive Gas Service

General Purpose 3008 Series, Electrically Heated Regulator Single Stage E •273
170 Series, Low Pressure Line Regulator E •274
Non-Corrosive Models Regulator Type Page Line
120 Series Single Stage E •259 3028 Series Single Stage E •274
100 Series Dual Stage E •259 Lecture Bottles, Corrosive Service
1009-65 Series Single Stage E •260 4448 Series, Vaporizing Regulator E •275
1009-75 Series Dual Stage E •260 3000 Series Single and E •276
Flowmeter and Regulator Combinations Dual Stage
Corrosive and Non-Corrosive Service
300 Series, High Purity/Low Flow for Two Stage E •277
Corrosive and Non-Corrosive Service
7002, 7003 and 7004 Series Single Stage E •278
Semiconductor Process Gas Regulators

1-877-PRAXAIR www.praxairdirect.com E•241