The role and selection rules of customized Valve gasket factory

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2021-08-12

At present, the manufacturing quality level of the customized Valve gasket factory is uneven, and the machined surface cannot be perfect, so gaskets should be used to fill the irregularities. The customized Valve gasket factory is a mechanical seal between two objects, which is usually used to prevent two The objects are subjected to pressure, corrosion, and the pipeline naturally expands and contracts with heat and leaks. Since the machined surface cannot be perfect, the irregularities can be filled with gaskets. The customized Valve gasket factory is usually made of sheet-like materials, such as cushion paper, rubber, silicone rubber, metal, cork, felt, neoprene, nitrile rubber, glass fiber or plastic polymers (such as PTFE). The customized Valve gasket factory for specific applications may contain asbestos.
The customized Valve gasket factory can be divided into two types: soft and hard. The soft is generally non-metallic materials, such as cardboard, rubber, asbestos rubber sheet, polytetrafluoroethylene, etc. Hardness is generally metal material or metal-coated asbestos, metal and asbestos entangled, etc. There are many shapes of gaskets, including flat, round, oval, tooth-shaped, lens-shaped and other special shapes.
The gasket of the valve acts as a seal. The selection of gasket material follows the following rules:
1) Use polyethylene propylene rubber in the presence of water or water conditions greater than 80°;
2) Under oily, corrosive and high temperature conditions, use metal gaskets;
3) Use asbestos gaskets under conditions that require sound insulation and static electricity.
The parts between the customized Valve gasket factory and the nut are generally flat metal rings.
Non-metallic gaskets are gaskets made of asbestos, rubber, synthetic resin, polytetrafluoroethylene and other non-metallic gaskets. a Non-metallic coated gaskets are coated with a layer of non-metallic gaskets such as synthetic resin.
Semi-metallic gaskets are gaskets made of metal and non-metallic materials, such as spiral wound gaskets and metal-coated gaskets. a Spiral-wound gasket is a gasket made of V-shaped or W-shaped cross-section metal band clamped with non-metallic tape and spirally wound.

1) The inner ring is set on the metal ring of the spiral wound gasket.
2) The outer ring is set on the metal ring of the spiral wound gasket.
customized Valve gasket factory Metal gaskets made of steel, aluminum, copper, nickel or Monel.
Spiral wound gasket refers to a gasket wound with a metal belt (usually a v-shaped steel belt) and a non-metallic belt in a ring shape. The metal belt and the non-metallic belt are alternately wound. In the flange sealing structure of the electric power industry, according to the specific location, a steel ring can be added to the inner or outer layer of the gasket to locate or strengthen.
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