
LGZ Split-Body Knife Gate Valve
Two-piece knife-gate construction with replaceable sealing components.
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Zhejiang Lianggao Valve Co., Ltd.

Large-diameter goggle-valve offering for gas piping.
Lianggao lists this goggle valve for low-pressure gas pipelines, including combustible-gas services. Its material schedule includes carbon and stainless options, along with several seal materials and actuation choices. The product is presented separately from the company’s general-purpose gate valves and dust/slurry flashboard range.
Zhejiang Lianggao Valve Co., Ltd. · Wenzhou, Zhejiang
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Source reviewed: 2026-11-07. This directory summary organises the supplier’s published product information.
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Two-piece knife-gate construction with replaceable sealing components.
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Ductile-iron knife gate with bidirectional sealing and a retained U-ring.
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Rising-stem knife-gate range with soft and hard sealing alternatives.
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Large-diameter damper for comparatively low-pressure flue-gas piping.
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Slurry valve with a three-piece body arrangement for particle-conveying pipelines.
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Sliding-gate offering for low-pressure dust and wastewater lines.
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Gate-valve selection with carbon and stainless material options.
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