The products are used for controlling the medium to open and close, preventing refluence in fuel oil , lubricating oil, water and steam piping at or under the temperature of 205ºC. The flange dimensions are according to JIS B2220 standard of steel pipe.
Materials of Major Parts
Capability
|
Part Name |
Material |
|
Name |
Mark (B) |
Name |
Mark (S) |
|
Body/Bonnet |
CI |
DI |
HT200.QT400-15 |
CI |
DI |
HT200.QT400-15 |
|
Disc/Seat |
Cast bronze |
ZCuSn5Pb5Znb |
S.S. |
2cr13 |
|
Stem |
Bronze |
QAI 9-2 |
S.S. |
2cr13 |
|
Packing |
Flexible graphite |
|
Flexible graphite |
|
|
Nominal Pressure |
10kgf/cm²(0.98Mpa) |
|
Seal Pressure |
Φ<200 15.4kg/cm² |
Φ> 250 11kg/cm² |
|
Intensity Pressure |
Φ<200 21kg/cm² |
Φ> 250 15kg/cm² |
Qingdao V-goal Marine Valve Manufacturing Co., Ltd. has been in the business of producing and manufacturing marine valves for 10 years. We settle in the Marine Fittings Industry Park of Qingdao city of China which is very near to the Qingdao port. With very fantastic location, we have the most convenient transportation all from land, sea and air.
We now have a powerful technical force, wide experiences of design, precision processing machineries, complete testing devices, strict operation system. Better than other companies, we have our own casting foundry and physical and chemical testing devices for materials. With years of manufacturing experience in the field, we can control the quality from the beginning. Now we are supplying semi-finished castings and finished products to several international famous valve companies such as KS, HSN, WKV and OTV. At present, our finished products mainly contain JIS standard of gate valve, globe valve, butterfly valve, check valve, fire valve, storm valve, air pipe head and each kind of spare parts. We have professional technicians and experienced sales team to create the complete processes of casting, manufacturing, testing, assembling, sales and after-sale services. In 2010, we passed the ISO 9001: 2008 and also gained certifications of several classification societies.
Qingdao V-goal Marine Valve Manufacturing Co., Ltd. Pursues excellence and zero defect products, insists the policy of "professional born of concentrated", keeping moving forward and increasing upward. The company will try all the best to stand at the top position of the industry. Create the industry's brand and supply the most trustworthy products.
