Gas compatibility
Valve material, sealing, outlet and safety features are selected around the intended gas service.
QDBG CHINAGas cylinders & gas equipmentRequest a Quote Gas control and shut-off
Product family 09Gas Cylinder Valves
QDBG supplies QF, CGA and application-specific gas cylinder valves. Inlet thread, outlet connection, working pressure, body material, sealing system, safety device and gas compatibility are checked against the cylinder and intended service.
Real QDBG product photographyProduct overview
Configured to the application—not selected from a label alone.
Valves are selected by gas compatibility, cylinder inlet thread, outlet connection, working pressure and required safety device—not by appearance alone.
Connection families
Available ranges include common CGA and QF configurations plus application-specific interfaces.
Matched cylinder supply
Valves can be supplied with the selected cylinders after thread, medium and market compatibility are confirmed.
Product / series range
Choose the relevant supply path.
Use these series as a starting point. Final technical values are confirmed against the selected model and destination requirements.
01
Oxygen Valves
Valve families for confirmed oxygen cylinder service.
Discuss requirement →02Argon / Nitrogen Valves
Inert-gas options matched to the cylinder and outlet requirement.
Discuss requirement →03CO₂ Valves
Configurations for compatible carbon-dioxide service.
Discuss requirement →04Acetylene Valves
Valves matched to dissolved-acetylene cylinder design.
Discuss requirement →05LPG Valves
Market-specific cylinder valve options for LPG service.
Discuss requirement →06CNG Valves
Valve and safety-device selections for confirmed CNG systems.
Discuss requirement →07Specialty Gas Valves
Gas-specific materials and connections confirmed by service.
Discuss requirement →Reference data
Technical selection guide
Published values describe the available product family. The final drawing, dimensions, pressure, valve, marking and certification follow the confirmed model and order.
- Valve families
- QF-2 / 5A / 6 / 6A / 7B / 7D2 / 8 / 10 / 15 series and others
- CGA options
- CGA320 / 540 / 580 / 660 / 870 / 350 / 300
- Inlet threads
- PZ27.8, 3/4-14NGT and model-specific options
- Outlet connections
- Gas- and market-specific CGA, QF and other confirmed connections
- Working pressure
- Selected by valve model, cylinder class and gas service
- Selection basis
- Gas, pressure, inlet thread, outlet connection, safety device and cylinder model
Quick selection guide
What the buyer should confirm
- Gas service
- Cylinder inlet thread
- Required outlet connection
- Pressure, safety device and destination
Configuration options
Order-specific choices
- CGA, QF and other confirmed families
- Handwheel or operating arrangement
- Safety device where applicable
- Supply installed or separately packed
Typical applications
Built around real operating requirements.
STANDARD FAMILIESCGA connection families · QF valve families · Order-specific inspection
Availability depends on the selected model, certificate scope and destination-market requirements. Please confirm the required approval before ordering.
Project enquiry
Tell Us What You Need
Include the application or gas, capacity, pressure, required standard, quantity and destination for a more accurate proposal.
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