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Continuous Inline Filtration with Zero-Flow-Interruption Changeover
This datasheet describes duplex basket strainers with twin chambers and 3-way diverter plug for continuous pipeline filtration where shutdown for basket cleaning is not acceptable.
| Parameter | Specification |
|---|---|
| Valve Size Range | DN50 to DN300 (2" to 12") |
| Pressure Rating | PN16 / PN40 / Class 150 / Class 300 |
| Body Material | WCB carbon steel, CF8 (SS304), CF8M (SS316) |
| Basket Material | SS304 or SS316 perforated or mesh-lined |
| Diverter Plug Material | WCB or SS316, 3-way plug with lapped seats |
| Perforation | 1.5 mm, 3 mm, 6 mm standard |
| Mesh Option | 20 to 100 mesh SS316 wire mesh |
| Temperature Range | -29°C to +425°C (WCB) |
| End Connections | Flanged ASME B16.5 / BS EN 1092-1 |
| Changeover | Manual lever or gear operator; pneumatic / electric actuator optional |
| Interlock | Optional mechanical interlock prevents simultaneous isolation of both baskets |
| Component | Material |
|---|---|
| Body | WCB carbon steel, one-piece casting with two parallel basket chambers |
| Diverter Plug | WCB or SS316, 3-way taper plug with lapped seat surfaces and MoS2 lubrication |
| Basket | SS304 or SS316 perforated cylinder with mesh overlay and top/bottom reinforcing rings |
| Cover | Bolted flat cover per chamber, quick-opening clamp optional for frequent cleaning |
| Gasket | Spiral-wound SS316 + graphite for body/cover joints |
| Bearings | Oil-impregnated bronze sleeve bearings for plug trunnion support |
| Drain | 1/2" NPT drain plug per chamber with SS316 ball valve option |
| Test | Requirement |
|---|---|
| Test Standard | API 598 / ISO 5208 |
| Certification | CE, ISO 9001 |
| Standard | Description |
|---|---|
| Design Standard | ASME B16.34 / BS EN 12516 |
The Duplex Strainer -- Twin Basket 3-Way Diverter WCB 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.