Double Flange Butterfly Valve - Manufacturers, Suppliers, Factory from China

Double Flange Butterfly Valve, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

The difference between soft and hard seals of valves:

First of all, whether it is a ball valve or a butterfly valve, etc., there are soft and hard seals, take the ball valve as an example, the use of soft and hard seals of ball valves is different, ma...
Many steps in the assembly process

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...
Rising Stem Gate Valve & Non-Rising Stem Gate Valve

1. What is the rising stem gate valve? The stem nut of the rising stem gate valve is fixed on the valve cover or bracket. When opening and closing, the valve stem rotates and lifts, and the threade...
UL in Valves

I. What is UL certification? Why does the valve need it? UL (Underwriters Laboratories) is a world-renowned independent safety certification organization. In the North American market, UL certifica...
TWS Soft-Sealing Butterfly Valves

‌Core Product Features‌ ‌Material & Durability‌ ‌Body & Components‌: Carbon steel, stainless steel, or alloy materials, with ceramic-coated surfaces for enhanced corrosion resistance in ha...
Several quick solutions to the poor sealing performance of valves

The sealing performance of the valve is one of the main indexes to evaluate the valve quality. The sealing performance of the valve mainly includes two aspects, namely, internal leakage and externa...