Specialty Valves

Pneumatic Pinch Valve -- Rubber Sleeve Slurry

Pneumatic pinch valves with natural rubber, EPDM, or polyurethane reinforced sleeve for full-bore isolation of abrasive slurries in mining, pulp and paper, power plant ash handling, and wastewater grit service. The only wetted part is the rubber sleeve, eliminating metal corrosion and erosion issues. Pneumatic air pressure collapses the sleeve for tight shutoff; releasing air opens the valve to full bore with minimal pressure drop. Replaceable sleeve allows rapid field maintenance without special tools.

Key Applications

Pulp and paper stock linesMining tailings slurryPower plant ash handlingWastewater grit isolationChemical sludge isolation
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Technical Specifications

Product Type Pneumatic Pinch Valve -- Rubber Sleeve Slurry
Category Specialty Valves
Size Range 1/2" to 48" (DN15 to DN1200)
Pressure Class 150# to 2500# (PN10 to PN420)
End Connections Flanged, Threaded, Socket Weld, Butt Weld
Operation Manual, Gear Operated, Electric Actuated, Pneumatic Actuated
Standards ASME B16.34, API 600, API 602, BS 1873, DIN 3352

Material Options

Carbon Steel

ASTM A216 WCB, A105, A350 LF2

Stainless Steel

SS304, SS316, SS316L, SS321, SS347

Alloy Steel

ASTM A217 WC6, WC9, C5, C12

Duplex Steel

F51, F53, F55, Super Duplex

Exotic Alloys

Monel, Hastelloy, Inconel, Titanium

Bronze & Brass

Gunmetal, Aluminum Bronze, Naval Brass

Purchase Options

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Features & Benefits

High Performance

Designed for reliable operation under demanding conditions with minimal maintenance requirements.

Quality Assurance

Complete material traceability, mill test certificates, and compliance with international standards.

Wide Application Range

Suitable for Pulp and paper stock lines, Mining tailings slurry, Power plant ash handling, Wastewater grit isolation, Chemical sludge isolation and many other industrial applications.

Expert Support

Technical assistance for valve selection, sizing, and application engineering from our experienced team.

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