The SiAN D20 Self-Closing Valve is a safety-enhanced LPG cylinder valve equipped with an automatic shut-off mechanism. Designed to close instantly when disconnected from a regulator or appliance, it prevents unintentional gas leakage and ensures safe handling during connection and disconnection.
Manufactured with high-quality copper alloy and advanced precision machining, the D20 valve offers strong sealing performance, corrosion resistance, and long-lasting durability under high-pressure LPG use.
Ideal for residential, commercial, and portable gas applications, the D20 valve is widely used in small LPG cylinders for household cooking, mobile food stalls, and camping gear, offering users a safer and more reliable gas experience.
Product Characteristics:
D20 model self-closing LPG valve
Auto shut-off feature enhances user safety
Precision copper alloy body with corrosion resistance
Easy and secure connection for small LPG cylinders
Ideal for household, mobile catering, and outdoor gas appliances
| Product Name | Product Model | Product ID | Medium | WP（MPa） | Inlet Thread | Outlet Thread | Nominal Diameter Φmm |
| D20 Compact Valve for Composite Cylinder | Composite Cylinder Valve | 06-620-792 | LPG | 17bar | M26*1.5 | Φ20 (EN15202 G52) | 6 |
F.A.Q
Question 1
Question: What's your terms of payment?
Answer: As per our usual practice, we accept T/T,L/C at sight as our payment terms.
Question 2
Question: What's your product range?
Answer: Our product range includes fire extinguisher valve,LPG/CNG valve,industrial gas valve and CGA valves for medical purpose,etc.
Question 3
Question: What's the difference between your valves and the valves from other suppliers?
Answer: In the fire extinguisher valve industry, we occupy 30% of the US market share.For LPG valves, our cost is much competitive compare with theirs but the quality are superior.
Welcome to contact us freely for more details about our products!