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Technical Datasheet -- Integral Instrument Manifold Valves for Transmitter Isolation
Instrument manifold valves for pressure, differential pressure, and level transmitter isolation, equalisation, and venting. Integral multiple needle or ball valves machined from a single SS316 or duplex stainless steel barstock forging. 2-way (direct mount isolator), 3-way (equalising), and 5-way (differential pressure transmitter manifold) configurations. NACE MR0175 sour service standard. Compact direct-mount design eliminates tubing and brackets. Colour-coded handles by function. API 602 / ASME B16.34 / NACE MR0175 compliant.
| Parameter | Specification |
|---|---|
| Product Type | Instrument Manifold Valves |
| Category | Multi-Port Valves |
| Size Range | 1/4" to 1/2" (DN8 to DN15) -- process connection: 1/2" NPT female typical; instrument connection: 1/4" or 1/2" NPT female typical |
| Pressure Rating | Up to 10,000 psi (689 bar) -- standard: 6,000 psi (414 bar) |
| Process Connection | Threaded NPT / BSP / metric (1/2" typical), Flanged RF (small size), Socket weld, Butt weld, Tube fitting compression (1/4" to 1/2" OD) |
| Instrument Connection | Threaded NPT / BSP / metric (1/4" or 1/2" typical), Tube fitting compression (1/4" to 1/2" OD) |
| Body Material | ASTM A182 F316 (SS316 forged barstock) / ASTM A105 (carbon steel forged barstock) / ASTM B564 UNS N04400 (Monel) / Duplex SS ASTM A182 F51 / F53 |
| Valve Trim | SS316 precision needle with Stellite 6 tip (needle valves) / SS316 ball with ENP or chrome plating (ball valves) / PTFE/RPTFE or graphite packing |
| Seat Material | SS316 integral seat with Stellite 6 overlay (needle) / PTFE/RPTFE seat (ball) |
| Configuration | 2-way: 1 process + 1 instrument (direct mount isolator) / 3-way: 1 process + 2 instruments or 1 process + 1 instrument + 1 vent (equalising) / 5-way: 2 process (H/L) + 2 instrument + 1 vent (differential pressure transmitter manifold) |
| Leakage Class | API 598 / EN 12266-1 Class A -- zero visible leakage for all needle and ball valves at rated pressure |
| Temperature Range | -50 deg C to +200 deg C (PTFE packing) -- up to +540 deg C (graphite packing, SS316 body) |
| Component | Material |
|---|---|
| Stainless Steel | ASTM A182 F316 (SS316) forged barstock body, needle, ball, and seat (standard instrument service) |
| Carbon Steel | ASTM A105 forged barstock body (standard industrial, non-corrosive) |
| Nickel Alloy | ASTM B564 UNS N04400 (Monel) body and trim (seawater / reducing acid service) |
| Duplex Stainless Steel | ASTM A182 F51 / F53 (duplex SS) body and trim (sour gas / chloride service per NACE MR0175) |
| Test | Requirement |
|---|---|
| Testing | Hydrostatic shell test 1.5 x WP per API 598 / EN 12266-1; Seat leakage test per API 598 / EN 12266-1; Functional test -- full stroke, torque; Material certificates per EN 10204 3.1 |
| Certification | ISO 9001:2015 QMS, EN 10204 3.1 material certificates, hydrostatic and seat test reports |
| Standard | Description |
|---|---|
| Design Standard | API 602 Compact Steel Gate/Globe/Check Valves, ASME B16.34, NACE MR0175 (standard for sour service) |
The Manifold Valve -- 2-Way / 3-Way / 5-Way Instrument 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.