• 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

Made in China dual stage argon gas pressure regulator with compression fittings

Place of Origin Guangdong, China (Mainland)
Brand Name AFK
Certification CE
Model Number R31
Minimum Order Quantity 5 Piece/Pieces
Price Negotiable
Packaging Details Each piece with a PP bag first, then put in a small box, outside is in carton.
Supply Ability 2000 Piece/Pieces per Week

Contact me for free samples and coupons.

WhatsApp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Material 316L SS Maximum Inlet Pressure 3000, 500psig
Output Pressure 0~25, 0~50, 0~100, 0~250psig Working Temperature -40~+74 Deg C
Applied Gas High Pure Gases, Standard Gases, Corrosive Gases And So On Inlet Connection 1/4NPT, 1/4 Tube, G5/8, W21.8-14, CGA320, CGA350, CGA580, CGA 540
Outlet Connection 1/4NPT, 1/4 Tube, 1/4 Male Body Material Brass/nickel Plated Brass/stainless Steel 316
Type Double Stage Or Single Stage Warratny 1 Year
Port Shenzhen
High Light

stainless steel pressure relief valve


gas cylinder regulator

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Product Description

Made in China dual stage argon gas pressure regulator with compression fittings 


R31 Serie stainless steel pressure reducers, doublestage diaphragm pressure reducing construction, stable output pressure, applied to high pure gas, standard gas, corrosive gas and so on. 



  • five hole design of the body
  • double-stage pressure-reducing structure
  • Metal-to-metal diaphragm seal
  • body thread: input and output connection 1/4” NPT(F)
  • easy to clean internal structure
  • filter element installed internally
  • panel mounting and wall mounting available
  • optional outlet: needle valve, diaphragm valve   

Technical Data

  • Maximum inlet pressure: 3000, 500psig
  • output pressure:0~25, 0~50, 0~100, 0~250psig
  • safety testing pressure: 1.5 times of maximum inlet pressure
  • working temperature: -40~+165 deg F(-40~+74 deg C)
  • leakage rate: 2×10-8 atm cc/sec He
  •  CV value=0.06


  • laboratory
  • gas chromatography
  • gas lasers
  • gas bus-bar
  • petrochemical industry
  • testing equipment


  • body: 316L, Brass
  • bonnet: 316L, Brass
  • diaphragm: 316L
  • strainer: 316L(10μm)
  • seat: PCTFE, PTFE, Vespel
  • spring: 316L
  • stem: 316L

Made in China dual stage argon gas pressure regulator with compression fittings 0

Ordering Information:
Item Body Material Body Hole Inlet pressure Outlet pressure Gauge Inlet connection Outlet connection Optional
R31 L:ss316L M D:3000PSI G:0-125psi G:Mpa 00:1/4NPT F 00:1/4"NPT F P:panel mount
  B:brass Q F:500PSI I:0-75psi P:psi/bar 01:1/4"NPT M 01:1/4"NPT M R:attached safety relief valve
        K:0-25psi W:no gauge 23:CGA330 10:1/8O.D. N:attached needle valve
        L:0-15psi   24:CGA350 11:1/4O.D. D:attached diaphragm valve
        Q:30"Hg Vac-30psig   27:CGA580 12:3/8O.D.  
        S:30"hg Vac-60psig   28:CGA660 15:6mmO.D.  
        T:30"hg Vac-100psi   30:CGA590 16:8mmO.D.  
        U:30"Hg Vac-200psi   52:G5/8"-RH(F) 74:M8*1-RH(M)  
Once you send the inquiry, pls send order code e.g.:R31-L-M-D-G-P-00-00-P. Or pls send us following information so that we select select model:
1.Media (sevice as)? co2 or?
2.atual inlet pressure and outlet pressure?
3.Flow rate?
4.Inlet connection and out connection?
5.Material or ss316?




Q1. What is your terms of packing?
A: Export standard.


Q2. What is your terms of payment?
A: T/T ,PayPal, Western Union.

Q3. What is your terms of delivery?

Q4. How about your delivery time?
A: Generally, it will take 5 to 7 days after receiving your full payment. The specific delivery time depends on the items and the quantity of your order.


Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,no matter where they come from.