Trunnion mounted ball valve
Trunnion mounted ball valve is a new generation of high performance ball valve. It is suitable for long-distance pipelines and general industrial pipelines. Its strength, safety and harsh environment are specially designed for various corrosive and non-corrosive media.

The trunnion mounted ball valve has two-piece and three-piece valve body structure: 2-PC trunnion mounted ball valve, 3-PC trunnion mounted ball valve. The middle flange is bolted. The seal is made of reinforced PTFE embedded in the stainless steel ring. The rear part of the steel ring is spring-loaded to ensure that the valve seat is close to the ball.

The trunnion mounted ball valve is suitable for various medium and high pressure pipelines. It is used to cut off or connect the medium in the pipeline. Common driving methods for trunnion mounted ball valves are worm gear, manual, electric and pneumatic.

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Cast steel gate valve
Cast steel gate valve is that valve's parts(body,bonnet etc) are made of castings metal steel materials. According to the material, there are: carbon steel gate valve, stainless steel gate valve, low alloy steel gate valve (high temperature resistant chrome molybdenum steel belongs to this category), low temperature steel gate valve and so on.

Features include low fluid resistance, wide applicable pressure, wide temperature range, labor saving for opening and closing, and medium not affected by flow direction. The structure is compact, the design is reasonable, the valve has good rigidity, the channel is smooth, and the flow resistance coefficient is small. The sealing surface is stainless steel or cemented carbide, with long service life. Use asbestos graphite or flexible graphite, reliable sealing, light and flexible operation. Various piping flange standards and flange sealing surface forms can be adopted to meet various engineering needs and user requirements.

Types: Bolted bonnet cast steel gate valve、pressure seal cast steel gate valve

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Double Offset Butterfly Valve

The double offset butterfly valve is gradually improved by the ordinary butterfly valve that adapt to different working conditions. This type of butterfly valve seal consists of metal-rubber, which is sealed by a small compression of the rubber on the metal seat to create a seal.
The double offset effect allows the disc to be quickly disengaged from the valve seat after the valve is opened, which greatly eliminates unnecessary over-squeezing and scraping of the disc and the valve seat, reduces the opening resistance, reduces wear and improves the seat life. The scraping is greatly reduced, and the double offset butterfly valves can also be used with a metal valve seat, which improves the application of the butterfly valve in the high temperature field. It has a simple structure, small size, light weight, low material consumption, small installation size, small driving torque, easy operation and rapid operation, and double offset butterfly valve also has excellent flow adjustment function and sealing performance, which can achieve complete sealing, The gas test leakage is zero. Selecting parts of different materials and using sealing rings of different materials can adapt to different media and working conditions, so that the cost and performance can achieve better results.

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Trunnion mounted ball valve
Suitable for the chemical, petroleum, natural gas, metallurgy, and other industries and the long-distance natural gas pipeline containing hydrogen sulfide media, many impurities, and severe corrosion.
Cast steel gate valve
Cast steel gate valve, Widely used in pipelines of various systems in petroleum, chemical, hydraulic and thermal power plants.
Double Offset Butterfly Valve
Double Offset Butterfly Valve, Widely used in Petroleum, chemical, natural gas, petrochemical, coal chemical and other industries.