• 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

200 Bar 316L 500PSI Acetylene Butane Gas Pressure Regulator

Place of Origin Guangdong, China
Brand Name AFK
Certification CE/RoHS
Model Number R31
Minimum Order Quantity 1 Piece
Price Negotiable
Packaging Details export packing
Delivery Time 5-8 work days
Payment Terms L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability 3000 Piece/pieces per Ddy

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
Screw Thread Requirement Thread Maximum Inlet Pre 3000, 500PSI
Warranty 1 Year Safety Test Pressure 1.5 Times Maximum Inlet Pressure
Type Two-stage Color Silvery White
Suitable Gas Oxygen/lpg/air/propane/Acetylene/Argon/nitrogen
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Acetylene Butane Gas Pressure Regulator


500PSI Gas Pressure Regulator


316L Ss Pressure Gauge

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Product Description

Product Description:


R31 series stainless steel pressure regulator, double stage diaphragm reducing structure, pressure gauge stainless steel ,stable input pressure, suitable for high purity gas, standard gas, corrosive gas etc.



Design Features:


  • Five hole designof 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


Material of Parts:



316L. Brass
Plunger valve core



200 Bar 316L 500PSI Acetylene Butane Gas Pressure Regulator 0




200 Bar 316L 500PSI Acetylene Butane Gas Pressure Regulator 1





Q1. What products can you provide?

Re: High stainless steel pressure regulator, cylinder gas regulator, ball valve, needle valve, compression fittings(connections).


Q2. Can you make the products based on our requests, such as connection, thread, pressure and so on?

Re: Yes, We have experienced techincal team and can design and produce the products according to your requirements. Take a pressure regualtor for example, we can set the range of pressure gauge according actual working pressure, if the regulator is connected to a gas cylinder, we can add an adaptor such as CGA320 or CGA580 to connect the regulator with the cylinder valve.


Q3. What about the quality and price?

Re: Quality is very good. Price is not low but pretty reasonable at this quality level.


Q4. Can you provide samples to test? For free?

Re: Of course, you can take several to test firstly. Your side shall bear the cost due to its high value.

Q5. Can you operate OEM orders?

Re: Yes, OEM is supported though we also have our own brand named AFK.


Q6. What payment methods for chose?

Re: For small order, 100% Paypal, Western Union and T/T in advance. For bulk purchase, 30%T/T, Western Union, L/C as deposit, and 70% balance paid before shipment.


Q7. How about the lead time?

Re: Usually, delivery time is 5-7 working days for sample, 10-15 working days for mass production.


Q8. How will you ship the goods?

Re: For small amount, international express is used mostly such as DHL, FedEx, UPS, TNT. For large amount, by air or by sea. Besides, you also can have your own forwarder pick up the goods and arrange the shipment.