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R31B Series

High Purity Dual Stage Low Flow Regulator

GENTEC® R31B Series Brass Regulator is a Diaphragm-Sensed Dual-Stage High Purity regulator designed for analytical applications where a consistent outlet pressure and flow are desired.

Features

• Dual-Stage Configuration

• Metal-to-Metal Seal

• Body Port Size: 1/4” NPT(F)

• 2” Pressure Gauge

 

Product Inquiry

Ordering Info

EX: R31B

M

K -

D

I

K -

C350 -

11 -

D

Series

Body

Ports

Seat

Inlet Pressure

Range

Outlet Pressure

Range

Gauge

Inlet

Connections

Outlet

Connections

Options

R31B

M

K: PCTFE

D: 3000 psig

G: 0-250 psig

K: psig/kPa

00: 1/4” NPT(F)

00: 1/4” NPT(F)

Blank: None

 

Q

  

I: 0-100 psig

P: psig/bar

C346: CGA346

01: 1/4” NPT(M)

D: Diaphragm Valve

    

K: 0-50 psig

W: No Gauge

C320: CGA320

10: 1/8” GENLOK

N: Needle Valve

    

L: 0-25 psig

 

C350: CGA350

11: 1/4” GENLOK

P: Panel Mount

    

Q: 30” Hg Vac-30 psig

 

C510: CGA510

12: 3/8” GENLOK

R: Relief Valve

    

S: 30” Hg Vac-100 psig

 

C540: CGA540

14B: 1/4” Hose Barb

 
    

T: 30” Hg Vac-200 psig

 

C580: CGA580

Other connections available 

 
      

C590: CGA590

  
      

C326: CGA326

  
      

Other connections available

  

 

 

Specifications

• Maximum inlet pressure: 3000 psig

Maximum outlet pressure: 250 psig

Safety test pressure: 1.5 x Maximum inlet pressure

Temperature range: -40˚F~165˚F (-40˚C~ 74˚C)

Inboard leakage: 2 x 10-8 atm.cc/sec He

Outboard leakage: 2 x 10-8 atm.cc/sec He inlet pressure: 1500 psig

Maximum Cv: 0.06

Weight: 4.03 lb

 

Materials

Body: Nickel-Plated Brass Barstock

Bonnet: Nickel-Plated Brass Barstock

Seat: PCTFE

Diaphragm: 316L

Adjusting Knob: ABS Plastic

 

Application

• Cylinders

• Research Laboratories

• Gas Chromatography

• Process Analyzers

• Petrochemical Industry

• Power Plant

 

Restrictions

Caution SignWARNING: Cancer and Reproductive Harm For more information go to www.P65Warnings.ca.gov

Questions?

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