Ball valve can stand frequent use and has characteristics of quick switch and light weigt. Drive mde; Manual, pneumatic, electric, inion rotating.
1. Characterics of small fluid drag and good sealing property.
2. Simple structure, small size and convenient to repair.
3. Stem has blow-out proof structure
4. Ball valve has no restriction to direction of installing and direction of medium flowing. No vibration and quiet.
5. The part material, flanged and butt weld and dimension may be selected according to current operating conditioin and users requirement, so that meeting the requirements of various engineering.
Application: Industry, power system, flue gas purification plant, gas supply, shipbuilding, etc.
Medium: Petroleum, natural gas, natural gas purification, acidic gas, water, etc.
Material: GP240GH (1.0619/GS-C25), G-X6CrNi18.9(1.4308), G-X6CrNiMo18.10 (1.4408),
Nominal diameter: DN15-DN400;
Nominal pressure: PN16, PN25, PN40;
Design&manufacture standard conforms to EN 1983;
Face to face standard conforms to EN 558-1;
Flange standard conforms to EN 1092-1;
Test conforms to EN 12266
|
Body/Bonnet |
Stem |
Ball |
Seat |
Bolt |
Nut |
Packing |
Gasket |
|
GG |
13Cr |
13Cr |
PTFE |
B7 |
2H |
PTFE |
PTFE |
|
WCB |
13Cr |
13Cr |
PTFE |
B7 |
2H |
PTFE |
PTFE |
|
CF8 |
F304 |
F304 |
PTFE |
B7 |
8 |
PTFE |
PTFE |
|
CF8M |
F316 |
F316 |
PTFE |
B7 |
8 |
PTFE |
PTFE |
Zhejiang def valve Co., Ltd. has been a member of China valve association and the network member of China petroleum & natural gas corp. For more than 20 years in manufacturing valves. Our company has a perfect quality management system certified by international certificates successively. Yongjia def valve Co., Ltd. imports the most advanced and specialized equipment from Japan. Meanwhile, our company cooperates with the valve institutes in Beijing of China, continuously adapts new techniques, new materials and new technology, and develops new products.
China yongjia def valve Co., Ltd. has acquired several patents in the valve industry, such as pressure balanced plug valve which meets national new technical patent. Our company has been awarded creative fund supported by technology department of China.
Over 90% of our products are exported to foreign countries and our annual output is more than 950 tons. Our markets are covering north America, Europe and the MID east, such as the u. S. A, the u. K., Italy, Australia, Indonesia, Kuwait, Czech, the Netherlands, and Spain. Due to the stringent quality control, excellent service and good reputation, our company has been known in worldwide.
