Product Description
1. API/DIN/JIS/GOST Cast Steel Swing Check Valve adopts rocker arm disc swing structure, forward flow pushes disc open, disc swings back to press against seat for sealing during backflow.
2. Straight full bore flow channel with low flow resistance, suitable for medium and large size clean medium pipelines, meeting projects under multiple national standards.
3. Disc and seat sealing surfaces hardfaced with cemented carbide, suitable for high temperature steam and oil working conditions.
4. Only installed on horizontal pipelines, to prevent medium reverse flow.
5. Used in horizontal pipeline systems for air, steam, natural gas and petroleum media, pump outlets, boiler feed water and other pipelines, preventing backflow and protecting upstream equipment.
Features & Benefits
1. Few components, simple and reliable structure.
2. Sealing surface hardfaced with cemented carbide, resistant to erosion and wear.
3. Easy maintenance, internal parts can be removed after bonnet disassembly.
4. Full bore flow channel, low medium pressure loss.
5. Multi standard design, meeting project specifications of different countries.
6. Only allowed for horizontal pipeline installation.






