Wafer type
+ Lighter
+ Cheaper
+ Easy installation
- Pipe flanges required
- More difficult to centre
- Not suitable as end valve
In the case of a Wafer-style butterfly valve, the body is annular ...
(1) The valve does not operate.
The fault phenomenon and its causes are as follows:
1. No source of gas.① The air source is not open, ② due to the water content of the air source ice in winter, res...
In the 30s, the butterfly valve was invented in United States, introduced to the Japan in the 50s, and was widely used in Japan in the 60s, and it was promoted in China after the 70s. At present, b...
From August 23 to 24, 2025, Tianjin Water-Seal Valve Co., Ltd. successfully held its annual outdoor “Team Building Day.” The event took place at two scenic locations in Jizhou District,...
Tianjin Tanggu Waters Valve Co., Ltd. Backflow Preventer: Uncompromising Protection for Your Systems
As a leading manufacturer in the valve industry, Tianjin Tanggu Waters Valve Co., Ltd. has been ...
The correct installation of a butterfly valve is crucial for its sealing performance and service life. This document details the installation procedures, key considerations, and highlights the diff...