
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 supplier describes a piston moving along the pipeline centreline to vary the outlet flow area.
Tieling Special Valve identifies Piston Control Valve in its supplier product description. The supplier describes a piston moving along the pipeline centreline to vary the outlet flow area. Different outlet forms are listed for different operating tasks. Provide the flow and pressure-control requirement, then ask for the selected outlet form and operating data, including the proposed actuator and control arrangement.
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 catalogue names resilient gate covering materials including nitrile and EPDM and lists manual and electric operation.
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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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