Shandong Dongyue FQS series fire ball valve models, full quantity, large discount, fire switch ball valve, fire equipment

Description :

　　Shandong Dongyue Crane and Fire Equipment Manufacturing Co., Ltd. produces specialized ball valves for various fire monitors, with specifications and models including FQS80A, FQS80B, FQS80C, and FQS65. The structural characteristics of FQS80A are: the connecting flange is a DN100 flange for the inlet and a DN80 flange for the outlet, with bidirectional sealing and a manual drain valve. When used in cold and high-altitude areas during winter, the manual drain valve can be opened after the valve is closed to drain the water inside the valve ball and prevent the ball valve from freezing and cracking. The connection method can also be customized according to user requirements.

　　Ball valves are divided into:

　　a) Unidirectional sealing;

　　b) Bidirectional sealing.

　　Ball valves are divided into:

　　a) Flange connection;

　　b) Threaded connection;

　　c) One end flange, one end thread.

　　Three ball valves are divided according to their driving methods:

　　a) Manual operation;

　　b) Power driven.

AfterSalesService :

• Shandong Dongyue FQS series fire ball valve