• 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

R11 n2o single stage air cylinder and pressure regulator with ball valve

Place of Origin Guangdong, China (Mainland)
Brand Name AFK
Model Number WL400
Minimum Order Quantity 1 - 9 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, 2200, 500PSI
Output Pressure 0-25,0-50,0-100, 0-250, 0-500PSI Working Temperature -23~+74 Deg C
Applied Gas Pure Gases, Standard Gases, Corrosive Gases And So On Bonnet Material Ss316L
Seat PCTFE Spring Ss316L
O-ring Viton Strainer 316L (um)
Port Shenzhen
High Light

gas control panel


pressure control panel

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Product Description
Product Description

WL400 Series Terminal Secondary Pressure reducing Regulator Assembly

It is Applied to the gas pipeline terminal, easy to use the control gas flow size. Maximum input pressure up to 20.7 Mpa(3000 psig), corrosion resistance, clean shop assembly test, and suitable for laboratory, gas analysis and other high purity gas.

Technical parameters
Maximum Inlet Pressure
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



Material of Parts
316L. Brass 
Plunger valve core
Selection Table
WL4 2 1 5 H S 1 N2
Series Inlet connection Outlet connection Body Inlet pressure outlet pressure Gauge N2
WL4 1:6mm barb fitting 1: 1/4" welding s: ss316 H:1000PSI 1:25PSI 1:Mpa O2
  2:1/4"O.D. 2: 3/8"welding C:nickel plated brass M:500psi 2:50PSI 2:bar/PSI H2
  3:8mm barb fitting 5.1/2" welding   L:300PSI 3:100PSI 3:PSI/kpa C2H2
  4:3/8"O.D. 7: 1/4"O.D.     4:150PSI   CH4
  5:10mm barb fitting 8:3/8"O.D.     5:250PSI   AR
  6:1/2"O.D. 9: 1/2"O.D.         HE

Pls inform us your ordering code e.g.: WL4-1-1-1-S-H-1-2-N2


1.What media is used for?

2.What is inlet pressure?

3.What is outlet pressure?

4.What type of inlet connection?

5.What type of outlet connection?

6.How much is flow rate?

7.If you have other special requests, pls inform us.


Flow Chart
R11 n2o single stage air cylinder and pressure regulator with ball valve 0
R11 n2o single stage air cylinder and pressure regulator with ball valve 1




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.