Size: DN50-DN600
Main materials:
1. Body and disc: Brass, carbon steel, stainless steel, Hascrome
2. Stem: Stainless steel
3. Torsion spring: Stainless steel
4. Seal surface: Buna-n rubber, stainless steel, gathered four fluorine Ethylene, and nylon plastics

Strengths of check valve:
1. Small size, light weight, compact structure is easy to install and maintenance.
2. The quick-close action prevents the medium from flowing back and eliminate water-hammer effect
3. Safe and reliable operation and high interference-resistance.
4. Easy to install to pipelines vertically or horizontally.
5. A long servival life and reliable performance.

Our service:
Our low price, good quality products and promised delivery time brought the trust of client globally. If you are interested in our products, kindly please inform me anytime. We are glad to prepare a quotation for perchasing referance and quite sure our offer will extend an added advantage over to your current source of supplies. Furthermore, we are also able to process order as per your demand.