Van một chiều im lặng HC41X được thiết kế để tự động bảo vệ dòng chảy ngược trong hệ thống nước và máy bơm. Its closing arrangement helps the valve respond as forward flow falls, reducing the abrupt closing action associated with conventional check valves.
The model shown has a cast iron body with brass disc and seat components. Flanged connections make it suitable for installation in water supply and circulation pipework.

Van kiểm tra im lặng HC41X mặt bích - Gang thép
Thân van: gang thép
Ca bô: gang thép
Chất liệu đĩa: thau
Ghế: thau
Đường kính danh nghĩa DN: 40-400mm
Closing Response in Pump Systems
Pump shutdown changes both the velocity and direction of flow. A silent check design responds as forward flow decreases, helping limit the noise and pressure disturbance caused by abrupt closure.
The HC41X is intended for this type of non-return duty in water systems. Valve sizing and the behaviour of the wider pipe network remain important where pressure surges are a concern.
Farpro supplies HC41X silent check valves for water supply and pump installations. Contact us with the required size and pipeline specification for a quotation.