I. Pre-installation Preparation
1. Check the valve specification model, pressure level, and flow direction identification to ensure that it meets the design requirements.
2. Check th...
The sealing surface of steel valves (DC341X-16 Double flanged eccentric butterfly valve) is generally manufactured by (TWS valve )surfacing welding. The materials used for valve surfacing are divi...
Many steps in the assembly process
Tianjin Tanggu Water-Seal Valve Co., Ltd (TWS Valve Co., Ltd)
Tianjin,CHINA
10th,July,2023
First of all, the first step is that the valve shaft should be paire...
(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...
Butterfly valves play a crucial role in controlling the flow of various liquids and gases. Among different types of butterfly valves, lug butterfly valves and wafer butterfly valves are two widely ...
1. The stomata
This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...
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