Z42 Rising Stem Wedge Double Disc Gate Valve (Cast)
Negotiable
China
**C Platform, Intelligent Manufacturing Industrial Park, High-Tech Industrial Development Zone, Yangquan City, Shanxi Province**
2591441
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Product Introduction
  • Open-stem wedge double disc structure ensures reliable medium shutoff, flexible operation, and is very convenient to use and maintain.
  • The sealing surfaces of the valve body and disc are precision ground, providing excellent sealing performance.
  • Advantageous material properties ensure sturdiness, durability, and a long service life.
  • A cleaning port is provided at the bottom of the valve body for easy removal of debris.
  • As per user requirements, a purging device can be installed to allow on-site connection of steam, nitrogen, or other inert gases to purge coke tar and other deposits from the cavity, effectively extending the valve's service life.
  • Smooth internal cavity and special coating material offer excellent resistance to coal tar adhesion.

Purpose

This series of valves is installed in various foul gas and clean gas pipelines as shut-off equipment, mainly used for opening and closing control of gas pipelines in enterprises such as metallurgy, coking, gas production, and chemical industries. They feature excellent materials and a complete range of specifications; simple structure and reliable operation. National patent certificates have been obtained. The most economical control valve for industrial fuel gas and gas pipelines.

Product Parameters

Main Performance Specifications

Nominal Pressure (MPa)

0.1~0.2 Cast Iron, 0.4 Cast Steel

Test Pressure (MPa)

Shell: 0.15~0.3, Seal: 0.11~0.22

Applicable Temperature

-20℃~120℃

Applicable Media

Gas, Air, Natural Gas, Dusty Gas

Drive Type

Manual, Worm Gear Drive, Electric, Pneumatic, Hydraulic, and Other Drive Types

Main Component Materials

Component Name

Material

Valve Body, Bonnet, Gate

Gray Cast Iron, Ductile Cast Iron, Cast Steel

Stem

High-Quality Carbon Steel, Stainless Steel

Stem Nut

Ductile Cast Iron, Brass

Sealing Pair

Body Material, Stainless Steel

Packing

Flexible Graphite, Oil-impregnated Asbestos Packing

Gasket

Non-Asbestos Rubber Sheet, Rubber Asbestos Sheet