H76X/H (DDCV Series) Valve are mainly composed of body. disc(valve stem), spring and etc. The short closing stroke of disc and function of spring may strengthen closing effect and reduce the sound of water hammer and slamming H46X/H are flange commection butterfly check valve. There two types of valves are mainly used in water supply system, high-rises and industrial zones. Thanks to their shorter structure length compared with ordinary check valve., they are especially applicable to apace-restricted locations
Standard:
1) Size: 2" - 40"
2) Class: 150lbs - 900lbs
Technical standards:
1) Design and manufacture: API 6D
2) Face-to-face: ANSI B16.10
3) Flange end: ANSI B16.5
4) Inspection and test: API 598
Main materials:
1) Body and disc: Brass, carbon steel, stainless steel, Hascrome
2) Stem: Stainless steel
3) Torsion spring: Stainless steel
4) Seal surface: Buna-n rubber, stainless steel, gathered four fluorine
Ethylene, and nylon plastics.
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.