
Counterweight Hydraulic Check Butterfly Valve
This separately named catalogue offering combines a butterfly valve with counterweight hydraulic operation.
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Tieling Special Valve

The catalogue names resilient gate covering materials including nitrile and EPDM and lists manual and electric operation.
Tieling Special Valve identifies Resilient-Seated Gate Valve in its supplier product description. The catalogue names resilient gate covering materials including nitrile and EPDM and lists manual and electric operation. Provide the medium, temperature and pipe-interface requirements when enquiring. Request the actual selected body material, elastomer and operator configuration, with dimensional and operating data applicable to the proposed valve.
Tieling Special Valve · Tieling, Liaoning
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Source reviewed: 2026-11-11. This directory summary organises the supplier’s published product information.
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This separately named catalogue offering combines a butterfly valve with counterweight hydraulic operation.
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The supplier describes hydraulic actuation for both opening and closing, with adjustable fast and slow closing stages.
View product →The supplier describes a hydraulically moved bellows sealing assembly that separates the body seal before ball rotation and returns it afterwards.
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The supplier describes a piston moving along the pipeline centreline to vary the outlet flow area.
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The product description presents a double-flanged expansion joint for long-distance raw-water pipelines, with adjustable rubber sealing.
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A worm-gear valve drive is separately listed in the company catalogue with an installation-dimension section.
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