This valve is mainly used in the system carrying strong oxidative mediums in the water and heat suppy and acid making etc. usually used as accessories for boilers.
provided with exquisite profile and simple structure , its spring device funcation to speed up the close of disc to eliminate water hammer. This valve is applicable to space-restricted locations.
1) Size: 1" - 20"
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 bonnet: CS / SS - CB, WCA, WCC, A351, 304, 340L,
316, 316L, 17-4pH
2) Disc: CS / SS - WCB, WCA, WCC, A351, 304, 340L, 316, 316L1, 7-4pH
3) Card wreath: SS-304, 340L, 316, 316L17-4pH
4) Spring: Stainless steel (SS)
| Suitable Medium | Water, Oil, Gas and etc. |
| Main material | Grey Cast Iron, Ductile Cast Iron, Carbon Steel, Alloy Cast Iron |
| Suitable Temperature | ≤80 |
| Nominal Pressure | 150LB--900LB |
| Nominal Diameter | 1"--20" |
| Flange Dimension | BS4504, ISO2531, ISO7005 and other standards conforming to the requirements |
| Face to Face Length | 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.
