
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 product description presents a double-flanged expansion joint for long-distance raw-water pipelines, with adjustable rubber sealing.
Tieling Special Valve identifies High-Deflection Expansion Joint in its supplier product description. The product description presents a double-flanged expansion joint for long-distance raw-water pipelines, with adjustable rubber sealing. It addresses temperature-related length changes and displacement associated with settlement. Provide the expected axial and angular movement and installation dimensions, then request the actual movement envelope and support requirements for the selected size.
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 supplier describes a piston moving along the pipeline centreline to vary the outlet flow area.
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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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