. Name: Internal thread ball type check valve
1). Size: DN25~DN80 or Inch 1"~3"
2). Working pressure: 1.6Mpa
3). Working temperature: EPDM -10° C~+120° C /NBR -10° C~+80° C
4). Minimum open pressure: 0.001Mpa
5). Suitable medium: Wafer, foodstuff, gas, Oil, acid, alkali and so on.
Applications:
Nominal pressure :1.6Mba
Sealing test pressure :1.76Mba
Strength test pressure :2.4Mba
Suitable temperature :EPDM:-10—+120°C ;NBR:-10—+80°C
Size:1",1-1/4",1-1/2",2",2-1/2",3"
Body Material:ductile iron epoxy coated
Main materials:
| Body | Cast Iron GG25 or Ductile iron GGG40/GGG50 |
| Seal O-ring | NBR / EPDM |
| Cap | Cast Iron GG25 or Ductile iron GGG40/GGG50 |
| Ball | Aluminium+NBR,EPDM |
| Bolt | Stainless steel |
| Nut | Stainless steel |
| Gasket | Stainless steel |
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.
