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“JIS” Stands for Japanese Industrial Standard and are published by the Japanese Standards Association (JSA) which is the equivalent of ANSI in the United States. VALTECCN butterfly valve supplier and …

What is valve flow coefficient (CV)? Valve Flow Coefficient (Cv) is a valve’s capacity for a liquid or gas to flow through it. It is technically defined as “the volume of water at 60°F (in US gallons)…

What is a butterfly valve seat？ The valve seat of the butterfly valve is used to ensure the sealing performance of the valve, especially the soft sealing valve seat, which has very good sealing perfor…

Learn about butterfly valves Butterfly valve is a mechanism that regulates the flow of material in a large pipe diameter by rotating a disc by a quarter turn. In operation, the valve is fully opened o…

Overview of Nylon Coated Disc Butterfly Valve The pinless nylon coated butterfly valve absorbs the advanced production technology and processing technology of domestic and foreign butterfly valves. Co…

Want to know where the butterfly valve is used, first understand the working principle of the butterfly valve. Working principle of butterfly valve Operation is similar to that of a ball valve, which …

5 inch wafer butterfly valve is simple in structure, small in size and light in weight, and only consists of a few parts. And it only needs to rotate 90° to open and close quickly, the operation is si…

Wafer type stainless steel butterfly valve refers to the butterfly valve whose valve body and valve plate are made of stainless steel (304, 316 material), with stainless steel seal and PTFE seal, corr…

Butterfly valves are quarter turn valves ideal for on/off operations as well as modulating flow. This valve is rated for 10 bar non-hazardous fluids and is operated by a squeeze lever. Please note tha…

Symbols of Butterfly Valves The following symbols are used as butterfly valve symbols in isometric and P&ID. Butterfly valve symbol is the only symbol where a full triangle is not used. If you ref…

When purchasing, we all need to confirm the parameter information of the butterfly valve. The size information of the butterfly valve is one of the very important parameters. If the size of the butter…

How Butterfly Valves Work Butterfly valve is a kind of valve that uses a disc opening and closing member to reciprocate about 90° to open, close or adjust the flow of the medium. Butterfly valve not o…

Stainless steel flanged butterfly valve, as a component for realizing pipeline system cut-off and flow control, has been widely used in many fields such as petroleum, chemical industry, metallurgy, hy…

For users, the actual working conditions should be consistent with the scope of application specified by the butterfly valve, and when the operation is correct and careful maintenance, it is directly …

Recently our South African customer purchased a batch of split fully lined butterfly valves. BodyWCBDiscWCB+PTFESeatPTFEConnectionLugged Customer received the goods ，feedback that this split butterfly…