• 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
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Semi Automatic Changeover Manifold AFK Stainless Steel Control Argon Gas

Place of Origin China
Brand Name AFK
Certification CE
Model Number WL300
Minimum Order Quantity 1
Price Negotiable
Packaging Details WOODEN
Delivery Time 20Day
Payment Terms L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability 200PC

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Product Details
Material Stainless Steel,SS316 Pressure High Pressure
Standard Or Nonstandard Standard Media Gas
Color Stainless Steel Medium Gas
CV 0.14 QTY 1PCS
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Semi Automatic Changeover Manifold


AFK Stainless Steel Changeover Manifold


Argon Gas Stainless Steel Valve Regulator

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Product Description

It is suitable for high pressure gas cylinders and pressure relief gas supply on both sides, through the automatic changeover to realize continuous gas supply, with the function of purging.The maximum input pressure of 20.7Mpa (3000psi), corrosion, clean workshop assembly test, suitable for laboratory, high purity gas such as gas analysis.


pressure specification of semi automatic switching system
1 max. inlet pressure 3000,2200psi
2 max. inlet pressure 25,50,100,150,0~250psi
3 working temperature -40℃~74℃(~40℉~165℉)
4 leakage rate 2x10-8 atm.cc/sec He
5 Cv 0.14


design features of nitrogen/oxygen/argon pressure regulator
1 pressure regulator for special gas
2 equipped relief pressure valve
3 pressure regulator and pipe through the pressure test and leakage test
4 2" stainless steel pressure gauge,reading clearly
5 theknob of diaphragm valves with on/off logo


material of construction high pressure regulator
1 body stainless steel
3 inlet connection 1/4"tube fitting,1/4"FSR,1/2"FSR
4 outlet connection 1/4"tube fitting,1/4"FSR
5 body of diaphragm valve stainless steel

Semi Automatic Changeover Manifold AFK Stainless Steel Control Argon Gas 0

Semi Automatic Changeover Manifold AFK Stainless Steel Control Argon Gas 1

Semi Automatic Changeover Manifold AFK Stainless Steel Control Argon Gas 2


WL3 1 1 1 S H 1 1 -N2
Series Function Options Outlet Connection Inlet Connection Body Material





Gauge Gas Option
WL300 Series Semi-automatic Changeover Device 1.With emptying, purging distribution function 1:1/4”NPT(F) 1:1/4″Weldmg S:stainless H:3000psi 1:25psi 1:MPa Blank: None
  2.Wrthout Emptying, purging distribution function 2:1/4”Tube fitting 2:1/4”NPT(M) steel M:2200psi 2:50psi 2:Bar/psi N2:nitrogen
  3.Emptying. purging distnbuUon+pressure sensor 3:3/8”NPT(F) 3:3/8”Melding C:nickel plated L:1000psi 3:100psi 3:psi/KPa O2:oxygen
  4.With pressure sensor 4:3/8”Tube fitting 4:3/8”NPT(M) brass O: Other 4:150psi 4:Other H2:hydrogen
  5:Other 5:1/2”NPT(F) 5:1/2”Melding     5:250psi   C2H2:acetylene
    6:1/2”Tube fitting 6:1/2”NPT(M)     6:Other   CH4:methane
    7:Other 7:1/4”Tube fitting         Ar:argon
      8:3/8″Tube fitting         He:helium
      9:1/2″Tube fitting         Air:air