Page 266 - Praxair - Specialty Gases and Equipment Reference Guide

4084 and 4086 Regulators

Critical Purity High Flow Regulators for Non-Corrosive Service

Single Stage Regulator, 316 Stainless Steel
Barstock Body, 316 Stainless Steel Diaphragm
Four-Port Configuration
(4084 Series Line Regulator)
Six-Port Configuration
(4086 Series Single Stage Regulator)
The 4084 (Line) and 4086 (Single Stage) Series regulators can be
used in many different applications including high flow purging,
semiconductor manufacturing, manifolds and line regulation.

Typical Applications
■ High flow applications ■ Zero, span, and calibration
■ Bulk gas distribution systems gases
■ Gas and liquid chromatography ■ High purity chamber
■ High purity carrier gases pressurization
■ Liquefied hydrocarbon gas
control

Features and Benefits
■ Stainless Steel Barstock ■ Base Mount ■ 3000 psig Inlet Pressure ■ Balanced Stem Seat
Body 1/4" - 20 UNC Rating Constant delivery pressure
Smooth surface finish ■ Pressure Ranges Safe use with high at high flow
■ Front and Rear Panel 0-15 to 0-250 psig pressure cylinders ■ Low Wetted Surface Area
Mountable Broad range of applications ■ 316 Stainless Steel Minimal purge requirements
Versatile system configuration Diaphragm at high flow
No inboard diffusion Section E – Gas Handling Equipment

Specifications Materials
■ Maximum Inlet Pressure ■ Helium Leak Integrity ■ Body ■ Filter
3000 psig (210 bar) 1 x 10 scc/sec 316 stainless steel barstock 40 micron
-8
316 stainless steel
■ Temperature Range ■ Cv ■ Bonnet
-40 °F to 165 °F 1.0 316 stainless steel barstock ■ Diaphragm
(-40 °C to 74 °C) 316 stainless steel
■ Maximum Flow Rate ■ Seat
■ Gauges 8000 scfh (3770 Lpm) CTFE ■ Internal Seals
2" diameter brass 4084 Series – Teflon ®
■ Weight For flow curve see page E •411 ®
■ Ports 4.4 lb (2.0 kg) 4086 Series – Teflon
1/2" FNPT (inlet/outlet)
1/4" FNPT (gauges)
Ordering Information — Series PRS4084ABCD-CGA (Line Regulator) and Series PRS4086ABCD-CGA (Single Stage Regulator)
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: 1/2" FNPT Port 0: Bare Body 4084 Series
2: 0-40 psig 0-60 psig 3: 0-4000 psig 1: 1/2" Tube Fitting 1: Standard Assembly 000: 1/2" FNPT
3: 0-120 psig 0-200 psig 5: 0-1000 psig (psi/kPa Gauges) TF8: 1/2" Tube
4: 0-200 psig 0-400 psig 6: 0-400 psig 2: Standard Assembly
5: 0-250 psig 0-400 psig 7: 0-200 psig (bar/psig Gauges) 4086 Series
9: 0-600 psig CGA, DIN 477,
* Not applicable to 4084 Series. BS 341 and others
Always select “0: None” available

Option Part Number Description
Helium Leak Certification PRS4760002 Inboard helium leak certification to less than 1 x 10 scc/sec.
-8
Reversed Inlet/Outlet Configuration Contact your Praxair representative Inlet and outlet ports supplied in a reversed (“mirror image”) configuration.

1-877-PRAXAIR www.praxairdirect.com E•265