Vehicle Dual Gas Source Auto Switch Three Way Valve LNG CNG
We supply LNG-CNG automatic three-way valves for commercial vehicles. Our company has supplied auto gas parts to Asia, the Middle East and South America for years. We're ready to build reliable long-term cooperation with global buyers.
Product Introduction
This solenoid valve is designed for dual-fuel LNG & CNG trucks, buses and engineering vehicles. It automatically switches gas supply by pipeline pressure signals, helping avoid unexpected stall when one fuel tank runs low. Made of forged aluminum with composite seals, it fits common vehicle working environments and meets ISO9001 standards. We serve auto factories, gas conversion shops and overseas parts dealers.

Product Parameter
|
Item |
Spec |
|
Name |
LNG-CNG Automatic Three-Way Valve |
|
Working Pressure |
0.8-1.8MPa |
|
Body Material |
Forged aluminum alloy |
|
Voltage |
DC12V / DC24V |
|
Fit Vehicles |
Trucks, buses, logistics vans, construction machinery |
Product feature and application

Product Features
1.Pressure sensing auto switching reduces driving risks for long-distance transport
2.Dual independent gas channels cut extra pipeline parts and installation space
3.Vibration-resistant composite seals lower gas leakage possibility
4.Low power consumption coil without extra load on vehicle batteries
Application
Heavy trucks, city buses, logistics vehicles, sanitation equipment, gas refitting workshops, auto parts wholesalers

Product Details
1.One-piece forged aluminum valve body for stable structure
2.Fully encapsulated IP67 solenoid coil
3.PTFE & fluororubber combined sealing assembly
4.Separate LNG/CNG inlet ports
5.Built-in pressure sensing probe
6.Pre-drilled mounting lugs & plug-and-play wiring harness
Factory & Qualification
We develop molds independently and accept simple OEM customization like logo marking or port adjustment. Every valve goes through air tightness inspection before delivery. We support sample testing and bulk orders, factory audit is available by appointment.

Shipping & After-sales
Packing
Foam neutral carton, custom color box for OEM orders
Delivery
bulk orders 15-20 days after deposit
Transport
Sea freight, air freight, DHL/Fedex optional
Warranty
Free replacement parts for manufacturing defects within 2 years
Support
Free installation guides, technical reply within 24 hours
Custom service
Switch pressure, harness length and interfaces can be adjusted for mass orders
FAQ
Q: Is this valve for LNG & CNG dual-fuel vehicles?
A: Yes, it has separated ports for two gas sources.
Q: Does it support 12V vans and 24V heavy trucks?
A: It works with both DC12V and DC24V systems.
Q: Can I customize port size or switch pressure?
A: A3: Custom requirements are acceptable for bulk orders, send us your parameters.
Q: What documents can you provide for import?
A: Certification copies and air tightness test reports are available.
Closing Paragraph
Our three-way valves sell well in the Middle East, Southeast Asia, Eastern Europe and Latin America. We welcome sample orders for quality inspection and offer competitive prices for bulk purchases. We look forward to cooperating with global auto parts buyers.
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