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Rising Stem Seawater Isolation Valve for Marine and Shipbuilding Service
This datasheet covers marine bronze gate valves to JIS F7367 for seawater, bilge, ballast, and deck wash service in shipbuilding and marine engineering.
| Parameter | Specification |
|---|---|
| Valve Size Range | DN15 to DN300 (1/2" to 12") |
| Pressure Rating | JIS 5K / JIS 10K |
| Body Material | Gunmetal CAC406 (BC6) cast bronze per JIS H5120 |
| Wedge Material | Gunmetal CAC406, solid wedge |
| Seat Material | Bronze integral seat, lapped to wedge |
| Stem Material | C3771 brass or C3604 brass, rising stem with ACME threads |
| Temperature Range | -10°C to +120°C |
| End Connections | JIS B2220 5K or 10K flanges |
| Operation | Handwheel (rising stem), optional non-rising stem for confined spaces |
| Coating | Marine-grade epoxy primer + polyurethane topcoat |
| Component | Material |
|---|---|
| Body | Gunmetal CAC406 (BC6), sand cast, shot blasted, machined JIS flange faces |
| Bonnet | Gunmetal CAC406, integral or separate bolted bonnet per size |
| Wedge | Gunmetal CAC406 solid wedge, lapped to seat |
| Stem | C3771 brass, rising, with ACME threads and collar for back-seating |
| Handwheel | Cast iron or gunmetal, chrome-plated spoke wheel |
| Packing | Flax fibre impregnated with marine grease; PTFE/graphite on request |
| Gaskets | Aramid fibre compressed sheet for body/bonnet joint |
| Test | Requirement |
|---|---|
| Test Standard | JIS F7400 hydrostatic shell and seat test |
| Certification | JIS, NK (Nippon Kaiji Kyokai), LR, DNV on request |
| Standard | Description |
|---|---|
| Design Standard | JIS F7367 (cast steel gate valve basis, adapted for bronze) |
The Marine Bronze Gate Valve -- Flanged JIS F7367 Shipbuilding 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.
Standard construction is carbon steel, stainless steel (CF8 / CF8M), and special alloy grades. Alternative and upgraded grades -- Duplex, Super Duplex, Inconel, Monel, Hastelloy, and NACE MR0175 trims for sour service -- 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). End connections include flanged (RF / RTJ), butt-weld, socket-weld, and screwed ends as per specification.
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.