Home > Products > Butterfly Valve > Spring Emergency Shut-off Butterfly Valve
Spring Emergency Shut-off Butterfly Valve
- T/T L/C D/P D/A
- 7 days
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Product Details
| Brand Name | Quan Shun | Place of Origin | China | |
| Model Number | DN400-1600,PN0.6-1.6 |
Product Description
Summary
Spring emergency shut-off butterfly valve
■ Summarize
As secure safeguard, this series valve is used in coal gas residual heat power generation system and extraction steam turbine system. It can instead of electric cut-off butterfly valve and check butterfly valve because of its small flow resistance, super seal function.
■ Characteristic
1. It only needs 0.5 seconds to shut-off the valve rapidly and credibly.
2. Three-eccentricity metal seal structure open and close handily and don’t exist leakage.
3. Normal temperature medium can choose double-eccentricity soft seal structure which price is low and the seal performance is credible.
4. Shut-off valve swift by using spring or accumulator. All of two types are safely and credibly.
■ Main technical parameter
|
Nominal pressure (MPa) |
0.6 |
1.0 |
1.6 |
2.5 |
|
|
Nominal diameter (mm) |
400-1600 |
||||
|
Testing pressure (MPa) |
Strength testing |
0.9 |
1.5 |
2.4 |
3.75 |
|
Seal testing |
0.66 |
1.1 |
1.76 |
2.75 |
|
|
Working pressure (MPa) |
0.6 |
1.0 |
1.6 |
|
|
|
Applicable medium |
Water, steam, coal gas |
||||
|
Applicable temperature |
Soft seal: ≤80℃;hard seal: ≤425℃ |
■ Administer standard
|
Design as per |
GB/T 12238,JB/T 5299, JB/T 8527 |
|
Flange connection |
GB/T 17241, GB/T 9113 |
|
Face to face |
GB/T 12221 |
|
Pressure testing |
GB/T 13927 |
■ Structure
Contact Us
- Henan Quanshun Flow Control Science&technology Co.ltd
- Contact namesophia wu Chat Now
- Phone86-0371-15378777139
- Address, Ningbo, Zhejiang
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| Ball Valve | Butterfly Valve | Ceramic Valves | Check Valves |
| Control Valves | Diaphragm Valves | New product |
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