WCB, a carbon steel casting material conforming to ASTM A216 Grade WCB, undergoes a standardized heat treatment process to achieve the required mechanical properties, dimensional stability, and res...
The Lantern Festival, also known as the Shangyuan Festival, the Little New Year’s Month, the New Year’s Day or the Lantern Festival, is held on the fifteenth day of the first lunar mont...
As an important fluid control device, butterfly valves are widely used in various industrial fields. Their simple structure, easy operation, and excellent sealing performance have earned them ...
The flow characteristics of the regulating valve are mainly four kinds of flow characteristics such as linear percentage fast opening and parabola. When installed in the actual control process, the...
Tianjin Tanggu Water-seal Valve was established in 1997, which is a professional manufacture that integrates design and development, production, installation, sales and service.
The main products i...
1. Clean the sealing surface of the butterfly valve and the dirt in the pipeline.
2. The inner port of the flange on the pipeline must be aligned and press the rubber sealing ring of the butterfly ...