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Dariof FassiniAll perfect. Quality is 4.5 on 5 but quality to price ratio is excellent.
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Jasper MokkinkI 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.
Semi - Auto S.S. Gas Changeover Panel For Nitrogen Gas 500 Psig Long Lifespan

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xMaterial | 316L SS | Maximum Inlet Pressure | 3000, 500psig |
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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 | Body Material | Ss316, Nickel Plated Brass |
Certificate | ISO9001:2008 CE | Warranty | 1 Year |
Selling Units | Single Item | Single Package Size | 36X15X26 Cm |
Single Gross Weight | 7.87 Kg | Package Type | PP Box +export Carton |
High Light | gas control panel,automatic switchover manifold |
Specification
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Body
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SS316L, brass, nickel plated brass ( Weigh :0.9kg)
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Cover
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SS316L, brass, nickel plated brass
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Diaphragm
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SS316L
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Stainer
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SS316L(10um)
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Valve Seat
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PCTFE,PTFE,Vespel
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Spring
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SS316L
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Plunger Valve Core
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SS316L
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Material
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Maximun Input Pressure
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500,3000 psig
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Outlet pressure range
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0~25, 0~50, 0~100, 0~250, 0~500 psig
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Safety Testing Pressure
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1.5 times of maximum input pressure
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Working Temperature
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-40°F~ +165°F (-40°C~ +74°C )
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Leakage Rate
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2×10-8 atm cc/sec He
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CV Value
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0.08
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WL300 Series Semi-automatic Changeover Device
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 20.7 Mpa (3000 psi), corrosion, clean workshop assembly test, suitable for laboratory, high purity gas such as gas analysis.
High pressure pressure regulator with one inlet pressure gauge.


ORDERING INFORMATION | ||||||||
WL3 | 1 | 1 | 1 | S | H | 1 | 1 | -N2 |
Series | Function Options | Outlet Connection | Inlet Connection | Body Material |
Input Pressure |
Outlet Pressure |
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 | |||||||
10:Other |
Please provide the following parameters in your inquiry as many as possible:
1. Inlet actual working pressure
2. Outlet actual working pressure
3. Inlet conenction and size
4. Outlet conenction and size
5. Material: brass, nickel plated brass, stainless steel
6. If you have special flow rate requirements and a panel, please indicate it.
7. Quantity
Notes: The ranges of pressure gauges, inlet connector, outlet connector can be equiped according your requirements. Please write the above descriptions as possible as you can. If you can not confirmed it at the moment, just send us inquiry, we also can recommend our regular model for you.

WL 100 Secondary reducing pressure device with panel mounting.
WL 300 Semi- automatic device with purge fuction


WL100 manual changeover pressure regulator for two cylinders .
It is applied to high pressure gas cylinder for boths.
ball valve for purging.
R11 high pressure regulator with two gauges.
Material:ss316L.
Four high pressure ball valve (working pressure 3000PSI)



As a gas equipments manufacturer, Shenzhen Wofly meets customer and marketplace challenges with tube fittings & air accessory innovation and new technology. Since 2011, our mission has been to use high quality materials and progressive solutions to produce world class tube fitting, pressure regulator, needle valve and ball valve..


Shenzhen Wofly strives to achieve total customer satisfaction through its unmatched quality, products, service and integrity.
Our Top Quality:
Testing before leaving factory
1. Professional techincal engineer checking.
checking details:
A. Product size.
B. Testing whether exsiting leankage though machine.
C. Checking whether having impurity inside.
D. Testing whether can reach max.working pressure