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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.
High Purity Changeover Manifold 316L With Switchover 300 Bar Semi - Automatic

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WhatsApp:0086 18588475571
Wechat: 0086 18588475571
Skype: sales10@aixton.com
If you have any concern, we provide 24-hour online help.
xMaximum Inlet Pressure | 3000, 500psig | Output Pressure | 0~25, 0~50, 0~100, 0~250psig |
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Working Temperature | -40~+74 Deg C | Applied Gas | High Pure Gases, Standard Gases, Corrosive Gases And So On |
Certificate | ISO9001:2008 CE | Body Material | Ss316, Nickel Plated Brass |
High Light | gas control panel,pressure control panel |
Product Description
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.


Technical Parameters
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 |
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.
Application

FAQ
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.