• 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

Stainless steel 316L High Pressure Nitrogen Gas Pressure Regulator Panel

Place of Origin Guangdong, China (Mainland)
Brand Name AFK
Certification CE
Model Number WL300
Minimum Order Quantity >=1 Sets
Price Negotiable
Packaging Details Export packing
Supply Ability 10000 Set/Sets per Week

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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.

Product Details
Max Inlet Pressure 2200, 3000 Psig Outlet Pressure Range 0~25, 0~50, 0~100, 0~150 , 0~250psig
Working Temperature -40° F ~+165° F(-40°C+74°C) Cv 0.14
Valve Seat PU, PTFE ,FCTFE Body Material 316L
Diaphragms 316L Pressure Gauge Size 2"
High Light

pressure control panel


automatic switchover manifold

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Product Description
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 20.7Mpa (3000psi), corrosion, clean workshop assembly test, suitable for laboratory, high purity gas such as gas analysis.

Product Specifications

1) Max. Inlet Pressure: 3000, 2200Psi
2) Max. Outlet Pressure: 25, 50, 100, 150, 0~250Psi
3)Working Temperature: -40℃~74℃(-40℉~165℉)
4) Leakage rate: 2 x 10-8 atm.cc/sec He
5)Cv: 0.08

Design Features

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) The knob of diaphragm valves with on/off logo.

Material List
Body material
Stainless steel 316L
Valve Seat
Stainless steel 316L
Inlet connection
1/4" NPT (F)
Outlet connection
1/4" NPT (F)
Detailed Images
Stainless steel 316L High Pressure Nitrogen Gas Pressure Regulator Panel 0Stainless steel 316L High Pressure Nitrogen Gas Pressure Regulator Panel 1
SeriesFunction OptionsOutlet ConnectionInlet ConnectionBody Material





GaugeGas Option
WL300 Series Semi-automatic Changeover Device1.With emptying, purging distribution function1:1/4”NPT(F)1:1/4″WeldmgS:stainlessH:3000psi1:25psi1:MPaBlank: None
 2.Wrthout Emptying, purging distribution function2:1/4”Tube fitting2:1/4”NPT(M)steelM:2200psi2:50psi2:Bar/psiN2:nitrogen
 3.Emptying. purging distnbuUon+pressure sensor3:3/8”NPT(F)3:3/8”MeldingC:nickel platedL:1000psi3:100psi3:psi/KPaO2:oxygen
 4.With pressure sensor4:3/8”Tube fitting4:3/8”NPT(M)brassO: Other4:150psi4:OtherH2:hydrogen
 5:Other5:1/2”NPT(F)5:1/2”Melding  5:250psi C2H2:acetylene
  6:1/2”Tube fitting6:1/2”NPT(M)  6:Other CH4:methane
  7:Other7:1/4”Tube fitting    Ar:argon
   8:3/8″Tube fitting    He:helium
   9:1/2″Tube fitting    Air:air

Q1. What is your terms of packing?
A: Export standard.
Q2. What is your terms of payment?
A: T/T ,PayPal, Western Union.
Q3. What is your terms of delivery?
Q4. How about your delivery time?
A: Generally, it will take 5 to 7 days after receiving your full payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
A:2. We respect every customer as our friend and we sincerely do business and make friends with them,no matter where they come from.