1. Tianjin Tanggu Huayang Valve CO.,Ltd. Is a share-holding company that originated from the system reforming of Tianjin Tanggu Valve Plant.
2. Tianjin Tanggu Valve Plant was established in 1956, specialized in producing medium and low pressure Valves.
3. It was the first domestic valve manufacturer that passed ISO9001 international quality system certificate by DNV international certification organization in 1993.
4. As the first valve manufacturer imported the technology of Center Line butterfly valve from Mark Controls in 1980, it was regarded as the pioneer of the butterfly valves manufacturer in China. The center line butterfly valves were awarded the Silver Medal of National Products in 1988.
5. The plant established a joint venture with American Watts Industries Company in 1994.
6. The main products are wafer and lug butterfly valves, slim pinless butterfly valves, flanged valves, gate valves, check valves, ball valves, Y-strainers in medium and low pressure rate.
7. The valves are widely applied to water draining, power generation, petroleum, chemical industry, heat supply, metallurgy, medicine, grocery as the throttling and shutting-off equipment.
8. Have CE and ISO certificates
9. Our new factory drawing
Silent Check Valve
→ Technical Data
Nominal Pressure: PN10/PN16
Working Temperature: -10oC --- 85oC
Applicable Medium: Water
Body: Cast Iron
Disc: Cast iron
Seat: NBR OR EPDM
Load spring for rapid close eliminates backflow and water hammer.
Stainless steel or bronze internals, high abrasion resistance, good sealing performance and strong corrosion resistance.
Horizontal installation or vertical flow-up installation.
Seal packing conforms to hygienic standards.
he surface and internal of valve body are with epoxy resin corrosion-proof coating.