• 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 Flow Brass Pressure Regulator Single Stage Diaphragm Structure CE Approved

Place of Origin Guangdong, China (Mainland)
Brand Name AFK
Certification CE
Model Number R12
Minimum Order Quantity 1 Set/Sets
Price Negotiable
Packaging Details white box +export carton
Supply Ability 30000 Set/Sets per Week

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WhatsApp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

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Product Details
MOQ 1 Material 316L, Brass
Feature S Applicable Gas Pure Gas, Standard Gas, Corrosive Gas
Maximum Inlet Pressure 500,3000psig Warranty 1 Year
Port Shenzhen
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plumbing pressure reducer


gas flow regulator

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Product Description

high flow single stage diaphragm brass reducer 3/4" to 1/2" npt



Technical Parameter:


Maximum Inlet Pressure                        500,3000psig
Outlet Pressure Ranges   0~25, 0~50, 0~50,0~250,0~500psig   
Safety test pressure 1.5 times maximum inlet pressure   

Operating Temperature

-40°F to 165°F / -40°c to 74°c

Leakage Rate Against Atmosphere

2*10-8atm cc/sec he
Cv value 1.1




Body                                            316L,Brass                                                        
Bonnet 316L. Brass 
Diafragm 316L
Strainer 316L(10mm)
Spring 316L
Plunger valve core 316L


Design Feature: 


 Single-stage pressure reducer  

Maternal and diaphragm use hard seal form

Body NPT:1/2''NPT(F)

Pressure gauge, the relief valve interface 1/4 NPT(F)

Can set filters

Can use a panel or wall mounting


Typical Applications:



Gas Chromatography

Gas laser

Gas bus-bar

petro-chemical industry

Test equipment

High Flow Brass Pressure Regulator Single Stage Diaphragm Structure CE Approved 0

Ordering Information 

R12 L B D F G 02 00 P















R12 L:316 A D:3000psi G:0~250psig G:MPa gauge 02:3/8”NPT(F) 02:3/8”NPT(F) P:Panel mointing
  B:Brass B F:500psi H::0~125psig 03:3/8”NPT(M) 03:3/8”NPT(M) R:With relief valve
    D   I::0~100psig P:Psig/bar gauge 04:1/2”NPT(F) 04:1/2”NPT(F)  
    G   K::0~50psig 05:1/2”NPT(M) 05:1/2”NPT(M)  
    J   L::0~25psig W:No gauge 12:3/8”OD 12:3/8”OD  
    M       13:1/2”OD 13:1/2”OD  
            Other type is available Other type is available  




Q. Are you manufacturer?

A. Yes, we are manufacturer.


Q.What is lead time?

A.3-5days. 7-10 days for 100pcs


Q. How do I order?

A.You can order it from Alibaba directly or send us a inquiry. We will reply you within 24 hours


Q. Do you have any certificates?

A. We have CE certificate.


Q. What materials do you have?

A. aluminium alloy and chrome plated brass are available. The picture shown is chrome plated brass. If you need other material, pls contact us.


Q. What is maximum inlet pressure?

A.3000psi (about 206bar)


Q. How do I confirm inlet connnection for cylidner?
A. Pls check cylinder type and confirm it. Normally, it is CGA5/8 male for Chinese cylinder. Other cylidner adapter are also
available e.g CGA540, CGA870 etc.


Q. How many types for connecting cylinder?

A. Down way and side way. (you can choose it)


Q. What is product 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.