Dual plate wafer check valves are one of our main export products,the main export country include Japan, Korea, Europe, South America.The main materials of Dual plate check valve produced by our company include CF8, CF3, CF8M, CF3M, A105, WCB, LCB, LCC,C4, 2205, 2507, c95800, etc.
This valve is used for pure pipeline and industrial, environmental protection, water treatment and drainage pipeline.
* Design and manufacture as per API 594.
* Face to face dimension as per API 594 / B16.10
* Flange dimension as per ASME B16.5
* Test and Inspection as per API 598
* Connection type：R.F flange、Wafer、LUG ends etc.
* Nominal diameter : 2~48 inch (DN50~DN1200)
* Nominal pressure : Class 150LB~300LB
* Working Temperature : -29°C ~ 250°C
* Main material:Carbon steel、stainless steel、low temperture steel .
【Structural principles and installation】
1. The check valve adopts the clamping type, the butterfly plate is two semicircle, and the spring is used to force the return.
2. In the pipeline system, do not let the valve to bear the weight.
3. The sealing surface can be used as body surfacing material or rubber lining, with wide range of use and reliable sealing.
4. During installation, mainly used for one-way flow of media on the pipeline, only allow the media to flow in one direction, in order to prevent accidents.
5. Can be installed horizontally or vertically on the water and other media pipeline to prevent the pipeline media backflow.
ZFV adopts the international standard for product design, absorbs the excellent design structure from abroad, and carries out product test and performance inspection strictly according to the international standard.Request welcome welcome welcome calls to cable-like kind enquiries and negotiations.