Ball Check Valve
Threaded ends DN25 to DN80
Flanged ends DN40 to DN400
Threaded type BSP or BSPT
Flanged type EN 1092-2 PN10 /16 and Table D; Table E
Maximum working pressure 16 bars
Operating temperatures 10° C ~ 80° C
Minimum backpressure for tightness 0.3 bar to 0.5 bar
Face to Face dimensions for flanged type according to EN-558-1 serie 48 (DIN3202 F6)
Pumping stations for clean, sewage water and loaded or viscous fluids.
Full bore ensured
Self cleaning ball
Low pressure drop
Removeable bonnet for cleaning or changing the ball with out disassembly out of the pipeline
Horizontal and vertical installation in the pipeline
Seat: 1.1X normal pressure
Body: 1.5X normal pressure
|1||valve body||1||HT250 QT400|
|2||valve ball||1||Metal+EPDM |
|3||valve lid||1||HT250 QT400|
|5||Rubber ball||1||NBR|| EPDM|
Laizhou dongsheng valve co.,Ltd is a professional valve plant, is a collection of research and development, design, the manufacture, the sale of integrated specialized company. Our main products are series of check valves, including all kinds of single disc swing check valve, double disc swing check valve, flange and threaded ball check valve, flange and wafer silent check valve, stainless steel lift check valve, diaphragm valve, ball valve and butterfly valve etc.
We hold a set of scientific and strict management system, strong technical force, advanced processing equipment and reasonable technical progress, high technology and quality technicists and workers. We have 200 employees, and our factory area is 30000 square meter. We always hold "Do to the quality of survival, to the credibility of development.", so we produce every product carefully and treat every customer sincerely. Our products are used to open and close the pipeline of oil, chemical, water, gas and food etc. Our products are exported mainly to Europe, America, Africa, Southeast Asia, the Middle East and Russia etc. Our products are praised by foreign and domestic customers.
We own good quality certificated by ISO9001 and CE. Welcome friends from home and abroad to visit us. And we look forward to having a sincere and favorable cooperation with you.