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Cast Iron Flanged Gate Valve/Ball Valve

Cast Iron Flanged Gate Valve/Ball Valve


Keywords

是否

闸阀

铸铁

截止阀

铸铁法兰闸阀/球阀



Product Details

Cast Iron Flanged Gate Valve/Ball Valve

Introduction to Cast Iron Gate Valves:
For cast iron gate valves, non-destructive testing covers only those methods that do not involve radiation—such as radiographic testing, ultrasonic testing, magnetic particle testing, and liquid penetrant testing. The primary focus of inspection for manual gate valves includes verifying the qualifications of inspectors, ensuring that the materials meet the specified standards, and confirming that the descriptions in the reports are accurate and reasonable. During the manufacturing process control inspection, it is essential to check whether the fluoropolymer-lined gate valves are manufactured according to the process specifications and drawings; whether there are records of in-process inspections; and whether there are traceability markings for each stage of production. Additionally, it is crucial to ensure that stainless steel valves do not come into contact with ferritic steel during manufacturing, handling, storage, and transportation. Furthermore, the storage of components must be conducted appropriately and clearly labeled.

Cast iron gate valve features:
1. Compact structure with a rational design, good valve rigidity, smooth flow path, and low flow resistance coefficient.
2. The sealing surfaces are made of stainless steel and hard alloy, ensuring a long service life.
3. It uses flexible graphite packing, ensuring reliable sealing and offering lightweight, flexible operation.
4. Actuation methods include manual, electric, pneumatic, and gear-driven; structural types include elastic wedge single-plate, rigid wedge single-plate, and double-plate models.
5. Widely applicable as an on-off valve for connecting or shutting off media in oil and steam pipelines in petrochemical industries, thermal power plants, and other similar applications.

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Cast Iron Flanged Gate Valve/Ball Valve

Cast Iron Flanged Gate Valve/Ball Valve

Keywords:

Product Inquiries:

  • Product Description
  • Cast Iron Flanged Gate Valve/Ball Valve

    Introduction to Cast Iron Gate Valves:
    For cast iron gate valves, non-destructive testing covers only those methods that do not involve radiation—such as radiographic testing, ultrasonic testing, magnetic particle testing, and liquid penetrant testing. The primary focus of inspection for manual gate valves includes verifying the qualifications of inspectors, ensuring that the materials meet the specified standards, and confirming that the descriptions in the reports are accurate and reasonable. During the manufacturing process control inspection, it is essential to check whether the fluoropolymer-lined gate valves are manufactured according to the process specifications and drawings; whether there are records of in-process inspections; and whether there are traceability markings for each stage of production. Additionally, it is crucial to ensure that stainless steel valves do not come into contact with ferritic steel during manufacturing, handling, storage, and transportation. Furthermore, the storage of components must be conducted appropriately and clearly labeled.

    Cast iron gate valve features:
    1. Compact structure with a rational design, good valve rigidity, smooth flow path, and low flow resistance coefficient.
    2. The sealing surfaces are made of stainless steel and hard alloy, ensuring a long service life.
    3. It uses flexible graphite packing, ensuring reliable sealing and offering lightweight, flexible operation.
    4. Actuation methods include manual, electric, pneumatic, and gear-driven; structural types include elastic wedge single-plate, rigid wedge single-plate, and double-plate models.
    5. Widely applicable as an on-off valve for connecting or shutting off media in oil and steam pipelines in petrochemical industries, thermal power plants, and other similar applications.

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