Cast Iron Wedge Gate Valve

The Cast Iron Wedge Gate Valve from Yaxing Valve is a commonly used industrial pipeline valve, primarily designed for stopping or connecting the flow of media in pipelines. The wedge-shaped body is made of cast iron or ductile iron, with a wedge-type disc design, and the valve is operated by turning a handwheel. It is suitable for a nominal pressure of PN10–PN16, with a diameter range of DN50–DN600, and a media temperature of 0–120℃. The cast iron wedge gate valve is widely used in industrial, residential, and municipal pipeline systems, offering a cost-effective, durable, and reliable solution for pipeline control in engineering projects.

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Main Specification of Cast Iron Wedge Gate Valve

Nominal Size

● Nominal Diameter (DN) : DN50 – DN600
● Nominal Pressure (PN) : PN10, PN16 (higher pressure ratings customizable)
● Connection Type: Flanged connection (PN10/16 standard), Threaded connection
● Actuation Type: Manual (handwheel), Electric, Pneumatic

Common Materials

● Valve Body: Cast Iron (GGG40) / Ductile Iron (EN-GJS-400-15)

● Valve Disc: Cast Iron or Ductile Iron, with rubber coating or metal sealing surface

● Valve Stem: Stainless Steel or Carbon Steel

● Sealing Material: EPDM, NBR, or Metal Seal

Temperature and Media

● Media Temperature： 0℃ – 120℃ (with rubber seal); metal seal available for higher temperatures

● Media Type: Water, steam, oil, non-corrosive chemical media

● Fluid Characteristics: Clean water or liquids containing small amounts of particles

Key Features of Cast Iron Wedge Gate Valve

● Wedge seal, reliable closure

● Stable pressure and temperature resistance, made of high-strength cast iron

● Flexible operation, smooth opening, long service life.

● Compact valve body design, simple structure, easy maintenance

● Multiple Sizes, Meeting Diverse Pipeline Needs

● Common diameters range from DN50–DN600

Installation and Maintenance Notes of Cast Iron Wedge Gate Valve

● The valve should be installed horizontally or vertically to avoid tilting, which may cause poor sealing.

● Ensure the pipeline is free of debris before operating the valve.

● Regularly check the stem lubrication and sealing condition to extend service life.

● For long-term inactivity, keep the valve in a half-open position to prevent the disc from sticking.

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