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Gate
Gate Valves

Gate valve is a gate with opening and closing parts. The movement direction of the gate is perpendicular to the flow direction. The gate valve can only be fully opened and fully closed, and can not be adjusted and throttled. The gate valve is sealed by the contact between the valve seat and the gate. Usually, the sealing surface is overlaid with metal materials to increase the wear resistance, such as surfacing 1Cr13, stl6, stainless steel, etc. The gate has rigid gate and elastic gate. According to the different gate, gate valve is divided into rigid gate valve and elastic gate valve.

Cast

Cast Steel Cryogenic Gate Valve

The cast steel cryogenic gate valve is suitable for low temperature medium, such as methane, liquid natural gas, hexene, carbon dioxide, liquid ammonia, liquid oxygen, liquid nitrogen, liquid hydrogen. In order to prevent the abnormal rising of the middle cavity, a pressure relief hole is set the inlet side of the gate.

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Forged

Forged Cryogenic Gate Valve

With the development of modern science and technology, the production scale of cryogenic engineering products is expanding, and liquid oxygen, liquid nitrogen and liquefied petroleum gas are widely used, our demand for Cryogenic Gate Valves is growing.

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Knife

Knife Gate Valve

Knife gate valve is suitable for syrup, paper pulp, sewage, coal slurry, ash, dust, slag water mixture. It can be used as a medium for cutting off and throttling. Compared with other valves, the ultra-thin design knife gate valve has the advantages of small size, light weight, small flow resistance, no slag accumulation, easy installation, easy disassembly, etc.

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API

API 6D Through Conduit Slab Gate Valve

API 6D through conduit slab gate valve is suitable for transportation pipelines of natural gas, petroleum, chemical, environmental protection, water etc. As a closing device, it also can be used in venting systems and steam storage equipment.

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High

High Pressure Slab Gate Valve

The sealing surface of high pressure slab gate valve is welded with hard alloy, which the advantages of corrosion resistance, wear resistance, erosion resistance, etc. As opening and closing and regulating devices to control the medium flow, it is suitable for water, oil, mud, and natural gas pipelines with working pressure ≤42 MPa and working temperature ≤120℃.

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Slab

Slab Gate Valve Without Diversion Hole

Compared with the through conduit slab gate valve, the slab gate valve without diversion hole has a lower length and a small space occupation. It is mainly used for pipelines that do not need to be cleaned. The structure is unique and simple, and the sewage is convenient to discharge. It is not restricted by the site space and can be installed at any angle, which is suitable for oil pipelines, natural gas pipelines, and city gas pipelines.

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Bellows

Bellows Sealed Bonnet Gate Valve

The stem of bellows sealed gate valve adopts a double sealing structure of bellows and packing to ensure a leak-free seal at the valve stem.It is used in power stations, natural gas, ammonia, vacuum, refrigeration systems, hot oil, and hot water systems. It is especially suitable for flammable, Pipelines for explosive, toxic and precious media.

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Pressure

Pressure Sealed Bonnet Gate Valve

Pressure seal bonnet gate valve is sealed by media pressure, and the pressure is more large, the sealing is more reliable. On valve bonnet, there is a smooth cone which has self tight seal ring. This type valve is applied to chemical fuel electric power station. It is more simple than bolt bonnet type gate valve.

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Wedge

Wedge Gate Valve

As an opening and closing device, wedge gate valve is widely used in the pipelines of petrochemical, thermal power plants and other oil products, water vapor. Generally, wedge gate valve is used in the condition where has no strict size required, but the working condition is more harsh, such as high temperature and high pressure, or the long-term sealing condition.

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