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Full-Bore Abrasive Slurry Isolation Valve with Replaceable Rubber Sleeve
This datasheet covers pneumatic pinch valves with natural rubber, EPDM, or polyurethane sleeve for abrasive slurry isolation in mining, pulp and paper, power plant ash, and wastewater grit service.
| Parameter | Specification |
|---|---|
| Valve Size Range | DN25 to DN300 (1" to 12") |
| Pressure Rating | PN10 / PN16 |
| Body Material | Cast iron GG25 or aluminium alloy body, non-wetted |
| Sleeve Material | Natural rubber, EPDM, neoprene, or polyurethane reinforced with fabric plies |
| Reinforcement | Multi-ply nylon or polyester fabric reinforcement for pressure resistance |
| Studs / Nuts | SS304 studs and nuts for corrosion resistance |
| Flange Inserts | CI or SS316 flange inserts to match piping flange specification |
| Air Supply | 4 to 6 bar clean dry air for sleeve collapse |
| Temperature Range | -10°C to +80°C (natural rubber); +120°C (EPDM); +70°C (polyurethane) |
| End Connections | Flanged ASME B16.5 / BS EN 1092-1, threaded, hose barb |
| Features | Full bore unobstructed flow, only rubber sleeve wetted, low air consumption, self-cleaning, replaceable sleeve |
| Component | Material |
|---|---|
| Body | Cast iron GG25 or aluminium alloy, split-body or bar design, non-wetted by process fluid |
| Sleeve | Natural rubber, EPDM, neoprene, or polyurethane with 2-4 ply nylon/polyester fabric reinforcement |
| Reinforcement | Woven nylon or polyester fabric plies embedded in rubber for pressure containment and wear resistance |
| Studs / Nuts | SS304 studs and nuts with zinc-plated or hot-dip galvanised finish for corrosion resistance |
| Flange Inserts | Cast iron or SS316 flange inserts to match piping flange drilling and face finish |
| Air Fittings | Brass or SS304 NPT air connections with filter-regulator-lubricator recommended |
| End Plates | Cast iron or aluminium end plates with sleeve compression groove for positive retention |
| Test | Requirement |
|---|---|
| Test Standard | Hydrostatic shell test at 1.5x PN; air-operated seat leak test |
| Certification | CE, ISO 9001, FDA on request for food-grade sleeves |
| Standard | Description |
|---|---|
| Design Standard | ISO 9001 / manufacturer proprietary design |
The Pneumatic Pinch Valve -- Rubber Sleeve Slurry is designed, manufactured, and tested in accordance with applicable API / ASME / BS / ISO international standards. Compliance documentation and Material Test Certificates (EN 10204 3.1) are provided with every order.
The standard and optional materials of construction - body, bonnet, wedge/disc, stem, gland and handwheel - are listed in the Materials of Construction table on this datasheet. Special-alloy and upgraded trims are available on request.
It is offered in a range of sizes as per the technical specification with standard ANSI / ASME pressure classes (PN ratings on request). Refer to the End Connection row in the Technical Specifications table on this datasheet for the exact ends offered for this valve.
Yes. Supreme Valves India is an established exporter of industrial valves to Saudi Arabia (KSA), the UAE, Qatar, Kuwait, Oman, Bahrain, and across the Gulf. We provide sea-worthy export packing, EN 10204 3.1 / 3.2 certification, certificate of origin, and support for SABER / SASO conformity on KSA shipments.
Every valve undergoes hydrostatic shell and seat testing per API 598 / ISO 5208. Documentation includes EN 10204 3.1 MTC (3.2 on request), NDT reports, and fire-safe (API 607) or NACE MR0175 certification where applicable. Third-party inspection by TÜV, SGS, Bureau Veritas, or Lloyd's Register can be arranged.
Order quantities are flexible -- from single units for stocked items to bulk volumes for project requirements. Lead time depends on size, material, and quantity; please contact our team with your specification for a firm delivery schedule and quotation.