Wenzhou Starry Valve Co., Ltd. is one of the most reliable manufacturers and suppliers of lpg gas valve in China. We are committed to providing high quality customized valves with low price. If you're going to buy bulk durable lpg gas valve, welcome to get quotation from our factory.
| Size Range | 1-1/2" ~ 6" |
| Pressure Rating | PN10-PN25 |
| Temperature Range | ≤80℃ |
| Connection Type | Flanged |
| Material | Carbon Steel / Stainless Steel |
| Operation | Spring-Closed Parallel Structure, Automatic Opening for Return Pressure Relief on Overpressure |
| Suitable Medium | Liquefied Petroleum Gas (LPG), Propane, Butane and Other Liquid Non-Corrosive Media |
Features
Parallel-type spring-loaded closed full-lift structure
Two-way flange structure, medium flows back to storage tank instead of discharging to atmosphere. Realize over-pressure relief by internal circulation.
01
PTFE soft-sealing performance
Adopts PTFE soft seal, low-leakage performance, excellent sealing for liquefied petroleum gas.
02
Balance-compensated design against back-pressure
Good back-pressure adaptability; stable opening and re-seat performance, small pressure deviation.
03
Fully mechanical automatic operation
No external power source. Opens automatically under over-pressure; recloses when pressure drops back.
04
Working parameters
Working temperature:-40℃ ~ +80℃;DN25-DN150;PN16 / PN25 / PN40;Body: WCB carbon steel /stainless steel optional.
05
Limitation：Only for liquid-phase LPG service, not for high-temperature steam.
Typical Application Equipment
- Liquid-phase backflow pipeline at pump outlet of LPG station
- Liquefied petroleum gas storage tanks
- LPG filling & transfer process systems
- Petrochemical liquid hydrocarbon pipeline systems
LPG gas valve is applied for LPG liquid-phase systems with temperature -40℃ ~ 80℃. When pressure before pump exceeds set value, the valve opens automatically to return medium back to tank. When pressure drops to allowable value, Lpg gas valve closes automatically to protect pumps, pipelines and storage tanks.
LPG Gas Valve Main Dimension
|
Dimensions (mm) |
|||||||
|
Nominal Diameter DN (mm) |
D |
D₁ |
D₂ |
b |
Z-φd |
L |
H |
|
40 |
150 |
110 |
85 |
16 |
4-18 |
200 |
236 |
|
50 |
165 |
125 |
100 |
16 |
4-18 |
230 |
266 |
|
65 |
185 |
145 |
120 |
20 |
4-18 |
290 |
430 |
|
80 |
200 |
160 |
135 |
20 |
8-18 |
310 |
490 |
|
100 |
215 |
180 |
155 |
22 |
8-18 |
350 |
548 |
|
150 |
280 |
240 |
210 |
24 |
8-23 |
480 |
706 |
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