Features:
1. The product has reasonable structure, reliable seal, doule durable matal seal design to assure no leakage and safer factory facility.
2. The seal surface is buildup welding with Co hard alloy. It has characteristics of good abrasion resistance, good corrison resisitance, god anti-scuffing roperties and long life.
3. The stem has good abrasion resistance and good corrosion resistance. It is treated by heat and nitriding.
4. Stem shows the lifting position visually.
5. The part material, flange and butt weld and dimension may be selected according to current operating condition and users' requirement, so that meeting the requrements of various engineering.
Specification:
1) Size: NPS 1/2-36"
2) Pressure: Class 150-1500
3) Test standard: BS 6755
4) Main material: A105, F304, F316, F304L, F316L
5) Face to face standard: DIN3202, ASME B1.20
|
NO. |
Part name |
Material |
|
1 |
Body |
GS-C25,CF8,CF3 |
|
2 |
Disc |
1Cr13,F304,F316 |
|
3 |
Pin |
25#,F304,F316 |
|
4 |
Stem |
1Cr13,F304,F316 |
|
5 |
Middle Gasket |
1Cr13,F304,F316 |
|
6 |
Cover |
GS-C25,CF8,CF3 |
|
7 |
Stem |
1Cr13,F304,F316 |
|
8 |
Bolt |
ASTMA193 2H,A193-8,A193-8M |
|
9 |
Nuts |
ASTMA193 B7,A193-B8,A193-B8M |
|
10 |
Yoke Net |
2CuZn25A116Fe3Mn2 |
|
11 |
Hand Wheel |
Carbon Steel |
|
12 |
Nuts |
ASTMA193 7,A193-8,A193-8M |
|
13 |
Gasket |
1Cr13,F304,F316 |
|
14 |
Gland |
ASTMA193 B7,A193-B8,A193-B8M |
|
15 |
Packing |
Flexible graphite+304 Flexible graphite+304,PTFE |
|
16 |
Bolt |
ASTMA193 B7,A193-B8,A193-B8M |
|
17 |
Disc Cover |
GS-C25,CF8,CF3 |
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.
