• Shenzhen Wofly Technology Co., Ltd.
    Dariof Fassini
    All perfect. Quality is 4.5 on 5 but quality to price ratio is excellent.
  • Shenzhen Wofly Technology Co., Ltd.
    Jasper Mokkink
    I have had an great experience ordering from Wolfy! The communication was always quick and clear. Adding parts to your order after you made your payment is also accepted by Wolfy. They are also willing to hold your order for a little bit if you need time to decide what additional parts you would like to add. I ordered compression fittings.
Contact Person : Catlin Zeng
Phone Number : 0086-13430639757
WhatsApp : +8613430639757

High Pressure Stainless Steel Dual Stage Hydrogen Gas Pressure Regulator

Place of Origin Guangdong, China (Mainland)
Brand Name AFK
Certification CE
Model Number R31
Minimum Order Quantity >=1 Sets
Price Negotiable
Packaging Details Export packing
Supply Ability 10000 Set/Sets per Week

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WhatsApp:0086 18588475571

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Product Details
Structure Diaphragm Max Inlet Pressure 500, 3000 Psig
Outlet Pressure Range 0~25, 0~50, 0~100, 0~250 Psig Proof Pressure 1.5 Times Of Maximum Rated Presure
Working Temperature -40° F ~+165° F(-40°C+74°C) Leakage Rate 2*10-8 Atm Cc/sec He
Cv 0.06 Valve Seat FCTFE, PTFE, Vespel
Body Material 316L, Brass Diaphragms 316L
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flow control valve


gas cylinder regulator

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Product Description
Product Description

High Pressure Stainless Steel Dual Stage Pressure Regulator

R31 Series stainless steel pressure regulator , two-stage diaphragm pressure reducing construction, stable output pressure, applied to high pure gas, standard gas, corrosive gas and so on.


Material List
Tenchnical Data
316L, Brass
Max inlet pressure
500, 3000 psig
316L, Brass
Outlet pressure
0~25, 0~50, 0~100, 0~250psig
Proof pressure
1.5 times of maximum rated pressure
Filter mesh
316L (10μm)
Working temperature
Valve seat
Leakage rate
2*10-8 atm cc/sec He
Spring loaded
Valve disc regulation pole
Body Thread
1/4" NPT ( F )
High Pressure Stainless Steel Dual Stage Hydrogen Gas Pressure Regulator 0
Detailed Images
High Pressure Stainless Steel Dual Stage Hydrogen Gas Pressure Regulator 1
High Pressure Stainless Steel Dual Stage Hydrogen Gas Pressure Regulator 2
R31 L B G G 00 00 02 P
Item Body Materia









Inlet size Outlet size Options
R31 L:316 M D:3000psi G:0-250psig G:MPa gauge 00:1/4 NPT(F) 00:1/4 NPT(F) P:panel mounting
  B:Brass Q F:500psi I:0_100psig P:Psig/bar gauge 01:1/4 NPT(M) 01:1/4 NPT(M) R:With relief valve
        K:0-50psig W:No gauge 23:CGA330 10:1/8 OD N:With needle valve
        L:0-25psig   24:CGA350 11:1/4 OD D:With diaphragm valve
        Q:30 Hg Vac-30psig   27:CGA580 12:3/8OD  
        S:30 Hg Vac-60psig   28:CGA660 15:6mm OD  
        T:30 Hg Vac-100psig   30:CGA590 16:8mm OD  
        U:30 Hg Vac-200psig   52:G5/8-RH(F) 74:M8X1-RH(M)  




Q: Are you trading company or manufacturer?
A: We are original manufacturer. We can do OEM/ODM business.Our company mainly produces Pressure Regulator.


Q: How long is your delivery time?
A: Group buying delivery time: 30-60 days; General delivery time: 20 days.

Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.


Q: What is the warranty ?
A: The free warranty is one year from the day of Commissioning qualified.If there is any fault for our products within the free warranty period, we will repair it and change the fault assembly for free.