This valve is mainly used for water supply and transport system in municipal projects,high-rises,mines and factories etc.,as well as the water supply and drainage system of submerged sewage pump room. Intgrating the functions of electric valve.check valve and water hammer eilminator, this valve greatly improves security and dependability to meet the requirements of system automation.
Plus,this valve is provided with there types of structure to eliminate water hammer including quick shut,slow shut and absorbing chamber, with actions completely linked without errors When pump is started or stopped, it can use the mediums at two ends of valve and their pressure difference as driving mediums and control power, making valve automatically inter connected according to the operating regulations of pump, and not affected by pipeline pressure and flow wave.
Pressure Grade:PN10,PN16,PN25
Diaphragm TYpe:DN50~DN350
Piston TYpe:DN50~DN800
| Valve Body | Connecting Mode | Strength Test | Seal Test | Applicable Temperature | Applicable Medium |
| Y-type | Flange Connection | 1.5Times of Nominal Pressure | 1.1 Times of Nominal Pressure | ≤80ºC | Water and Oil |
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.
