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Zhejiang Shengwei High Pressure Vessel Co., Ltd.

O2 CO2 H2 N2 Argon Helium Nh3 Cylinder Valves, Gas Cylinder Valves, Oxygen Cylinder Valves manufacturer / supplier in China, offering O2 CO2 H2 N2 Argon Helium Nh3 Cylinder Valves, High Pressure Seamless Steel Gas Cylinders From China Professional Manufacturer, 1.5m3/10L Breathing Oxygen Cylinder and so on.

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O2 CO2 H2 N2 Argon Helium Nh3 Cylinder Valves

Purchase Qty.:
100-499 500-999 1,000-2,999 3,000-9,999 10,000+
FOB Unit Price: US $8 US $6 US $5 US $4.6 US $3.99
Purchase Qty. (Pieces) FOB Unit Price
100-499 US $8
500-999 US $6
1,000-2,999 US $5
3,000-9,999 US $4.6
10,000+ US $3.99
Get Latest Price
Port: Ningbo, China
Production Capacity: 20, 000PCS/Month
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Item: O2 CO2 H2 N2 Argon Helium Nh3 Cylinder Valves
  • Use: for Gas Cylinders
  • Transport Package: Cartons(25PCS/CTN)
  • HS Code: 8481901000
  • Mat.: Brass
  • Trademark: Customized
  • Origin: China
Product Description
O2 CO2 H2 N2 Argon Helium NH3 Cylinder Valves,Factory-price Gas Cylinder Valves series.
O2 CO2 H2 N2 Argon Helium Nh3 Cylinder ValvesO2 CO2 H2 N2 Argon Helium Nh3 Cylinder Valves
Referenced O2 valve QF-2's main specfications:
-Type: QF-2 Oxygen Cylinder Valve;
-Working Pressure: 15 Mpa;
-Safety device: 21± 1.5 Mpa
-Medium: O2 N2 AIR
-DN(mm): Φ 4
-Outlet thread: G5/8-14-RH-EXT;
-Inlet thread: PZ27.8;
Product TypeQF-2
Gas ServiceOxygen, Air, Nitrogen
Working Pressure15MPa
Orifice Diameterø4mm
Body MaterialBrass
Inlet ThreadPZ27.8/W28.8/25E
Outlet ThreadG5/8
Pressure of Safety Device20.25~22.5MPa
Surface TreatmentShot Blasting or Pickling
Working Temperature-40ºC~+60ºC
Design Weight (g/pcs)550+

Our brach factory of gas valves has been speicialized in different types of high or low pressure gas cylinder valves and metals fittings for over 10 years. And our manufactured gas oxygen valves have been passed ISO9001and ISO2000 quality authentication system. To meet different clients' needs, all gas valves not only can be produced according to the Chinese National Standard GB, also the international standard, such as U. S. A. ANSI, Great Britain BS, Germany DIM, Japan JIS, and etc.
NO.Type  No.                              Produce Namesuitable 
Outlet thread(mm)Jiont Thread
 to cylinder (mm)
of safety device
1QF-2Brass Shaft Coupling type Cylinder 
valve for CO2
CO2157G5/8GB8335 PZ27.821±1.5
2QF-2A1Brass Shaft Coupling type Cylinder
 valve for CO2
CO2157W22 x 1/14GB8335 PZ27.821±1.5
3QF-2A8Brass Shaft Coupling type Cylinder 
valve for CO2
CO2154W21.8 x 1/14GB8335 PZ27.821±1.5
4QF-2A17Brass Shaft Coupling type Cylinder 
valve for CO2
CO2154CGA320GB8335 PZ27.821±1.5
5QF-17Brass Flapper Coupling type Cylinder 
valve for CO2
6QF-16ABrass Flapper Coupling type Cylinder 
valve for CO2
CO2152.5W21.8 x 1/14M18 x 1.521±1.5
7QF-35Brass Flapper Coupling type Cylinder 
valve for CO2
8QF-35ABrass Flapper Coupling type Cylinder 
valve for CO2
CO2154W22 x 1/14UNF1.125-1221±1.5
9QF-35BBrass Flapper Coupling type Cylinder 
valve for CO2
CO2154W22 x 1/14UNT(1A)3/4-1621±1.5
10QF-35CBrass Flapper Coupling type Cylinder 
valve for CO2
11F-5Brass Flapper Coupling type Cylinder 
valve for CO2
CO2157Female Thread G5/8GB8335 PZ27.821±1.5
12F-2MBrass Flapper Coupling type Cylinder 
valve for CO2
CO2154W22 x 1/14JIS B 8246 V221±1.5
13F-2M1Brass Flapper Coupling type Cylinder 
valve for CO2
CO2154W22 x 1/14GB8335 PZ27.821±1.5
14F-2M2Brass Flapper Coupling type Cylinder
 valve for CO2
CO2154W22 x 1/14GB8335 PZ19.221±1.5
15F-2NBrass Flapper Coupling type Cylinder 
valve for CO2
CO2154W21.8 x 1/14JIS B 8246 V2 2821±1.5

*About Us:
We are a professional manufacturer and supplier of Gas Cylinders Regulators, Oxygen Flowmeters, Medical Oxygen Flow Regulators, Medical Oxygen Kits, Oxygen Intake Devices, Gas O2 Valves, Medical Pin Index Valves, Medical Gas O2 Supply System Products, Gas O2 Cylinder Trolleys, Gas O2 Outlets, Ceiling Medical Pendants, Medical Gas Oxygen Respiratory Products and etc.

*Advantages We Have:
-1).Original Manuacturer: Being a professional manufacturer, we have professional equipments for our manufactureing products, including Punch Machines, CNC Machines, and etc.;
-2)Large Output capability: We have the capability to produce more than 50, 000PCS of Medical Oxygen Flowmeters each month;
-3)Quality Control: With ISO13485 Quality Management system; All products have been tested before out of factory;
-4)Cost Advantages: We have cost advantage because our professional and scale economy;
-5)Series: We have different series and models, for different standards in different countries;
-6)Small order can be acceptable: M. O. Q. =10PCS;
-7)Exporting experience: We have over 5 years' experience for exporting.

-a).Various types of gas cylinder valves,MEDICAL OXYGEN & SUCTION THERAPY items can be offered with our best factory offers;
-b).We have many advantages of satisfying our potential customers' MIXED needs of medical oxygen therapy & suction therapy items, say medical oxygen gas regulators,oxygen flowmeters,gas outlets,bed head panels, gas probes,medical hospital central oxygen system products.

Anyway,should you have any intersts or some more info needed on our medical & industrial gas cylinders & allied gas items, you are really welcome to enquire us anytime!

Key Contact: Ethan Liu (Exp. Mgr) 
Mob: +86-153 5606 5235
URL: ;
O2 CO2 H2 N2 Argon Helium Nh3 Cylinder Valves
O2 CO2 H2 N2 Argon Helium Nh3 Cylinder Valves

O2 CO2 H2 N2 Argon Helium Nh3 Cylinder Valves
O2 CO2 H2 N2 Argon Helium Nh3 Cylinder Valves       
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