QF-2D Needle Valve
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QF-2D
The QF-2D is a needle-type cylinder valve for oxygen and argon service. It uses a 60° cone seat.
Key facts
| Applicable medium | Oxygen, Argon |
|---|---|
| Working pressure | 20 MPa |
| Gas-tightness test pressure | 24 MPa |
| Model | QF-2D |
Specifications
Application
| Applicable medium | Oxygen, Argon |
|---|
Pressure and safety
| Working pressure | 20 MPa |
|---|---|
| Gas-tightness test pressure | 24 MPa |
| Proof test pressure | 45 MPa |
| Safety device | No safety device |
Connections
| Cylinder / inlet connection | PZ27.8(25E) |
|---|---|
| Outlet connection | BS.3(G5/8-14-RH-INT) |
| Connection sealing form | 60° cone seat |
Construction
| Valve structure | Packed-gland design (needle type) |
|---|
Materials
| Body material | HPb59-1 |
|---|---|
| Stem material | 304 stainless steel |
| Handwheel material | No handwheel |
Operating conditions
| Temperature range | -40 °C to 60 °C |
|---|
Manufacturing references
| Manufacturing standard / reference | GB/T 15382 |
|---|
Product documents
Technical Illustration
For reference. Not to scale. H: overall height in this view. W: overall width in this view. Lettered directions do not specify measured dimensions.
Product overview
The QF-2D is a needle-type cylinder valve for oxygen and argon service. It uses a 60° cone seat. The needle-type layout and packed gland identify this valve configuration. Check the cylinder-side and equipment-side interfaces together with the stated service before selecting the model.
Key advantages
Specified gas service
A cylinder-valve configuration for oxygen and argon service.
Needle-type construction
The needle-type layout and packed gland distinguish this valve configuration.
Cone-seat connection
The defined cone seat helps identify the required mating sealing geometry.
Information for your enquiry
Provide the exact model, gas species and required inlet and outlet connections. Confirm the sealing material and service requirements for the requested configuration. This configuration has no safety device.
Contact ANYI
Discuss this valve with our team
Send us your gas medium, working pressure, connection requirements and quantity - photos of the valve or cylinder you use today help too - and our team will reply.
Product: QF-2D
- geoffrey@anyivalves.com
- +86 21 52707913
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