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Features:
1. Small size, light weight, compact structure and easy maintenance.
2. The valve plate adopts a dual type, which can quickly close automatically under the elastic force of the spring.
3. Due to the quick-closing effect, the medium can be prevented from flowing back.
4. Small structural length and good rigidity.
5. Safe and convenient, can be installed in both horizontal and vertical directions.
6. The valve disc can be single valve disc or double valve disc.
7. Applicable temperature: -196℃~550℃.
8. Applicable media: water, oil and gas, various corrosive medium.
