Specification:
Product discription:
Size: 2"--32" or DN50--800mm
Pressure: PN1.0--2.5MPa or Class 150--300lbs
Material: Cast iron, cast steel, carbon steel, stainless steel.
Diaphragm type: DN50-DN350
Piston type: DN400-DN800
Proveded with a non-return valve to control opening and closing speed. It can be adjusted to optimal opening and closing speed to cater for working conditions when pump starts or stops running.
First close main valve by 90% before stopping pump motor, and then close the rest 10%, thus to successfully avoid the production of water hammer and slamming.
Note: We accept design and manufacture of various non-standard valves and arrange production according to users' supplied drawings and samples.
| Suitable Medium | Water, Oil, Gas and etc. |
| Main material | CAST IRON,ASTM A216 WCB, WCC, WC6, SS304, SS316, CF8, ETC. |
| Suitable Temperature | ≤80 |
| Nominal Pressure | 150lb--300lb |
| Nominal Diameter | DN50--DN800 |
| Flange Dimension | ASME B16.5, BS4504, ISO2531, ISO7005 and other standards conforming to the requirements |
| Face to Face Length | API594,BS5155, ISO5752, DIN3352 and other standards conforming to the requirements |
Established in 1985, Zhejiang Guanlong Valve Machinery Co., Ltd. is a professional manufacturer which integrating development, production, sales, installation and service into an organic whole.
Our company mainly manufactures valves according to ANSI, API, DIN, BS, and Chinese GB standards. We are specializing in producing hydraulic control valves, check valves, multifunctional pump control valves, pressure reducing valves, adjusting valves and butterfly valves. There are 6 major series and more than 1000 specifications now.
Our products are exported to worldwide, such as the USA, Canada, Europe, the Middle East and South East and Southeast Asia. With high content of technology and reliable quality, our products have gained good fame from the customers.
After nearly 20 years of development and self-perfection, our products are supported by novel design, excellent structure, elaborate workmanship, exquisite technology and complete testing measures.
We will fully exert our advantage on technology and management to improve continuously our product quality and manufacture high quality valve products to satisfy the customers.
