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High-Pressure Needle Sampling Valve for Representative Process and Analyser Extraction
This datasheet covers inline needle-type sampling valves in SS316 forged barstock for representative sample extraction under full pressure in process analyser, laboratory, and custody transfer applications.
| Parameter | Specification |
|---|---|
| Valve Size Range | DN8 to DN25 (1/4" to 1") |
| Pressure Rating | PN100 / Class 600 / Class 1500 / Class 2500 |
| Body Material | CF8M (SS316) forged barstock body, no porosity |
| Needle Material | SS316 hardened non-rotating needle tip, 35 HRC |
| Seat Material | Integral SS316 lapped seat, matched to needle tip |
| Stem Material | SS316 rising stem with ACME threads and anti-blow-out collar |
| Packing | PTFE/graphite packing with live-loading gland |
| Handwheel | SS304 knurled handwheel or T-bar for high-torque operation |
| Gland Nut | SS316 hex gland nut with smooth threads to prevent galling |
| Temperature Range | -29°C to +425°C (SS316 with graphite packing) |
| End Connections | NPT female, BSPT, socket weld, tube OD compression (Swagelok compatible) |
| Features | Non-rotating needle, bubble-tight shutoff, purge connection, panel mountable, blow-out proof stem |
| Component | Material |
|---|---|
| Body | CF8M (SS316) forged barstock body, machined from solid, 100% volumetric NDE by ultrasonic |
| Needle | SS316 hardened non-rotating needle tip, cold-worked and aged to 35 HRC for wear resistance |
| Seat | Integral SS316 lapped seat, precision matched to needle tip for bubble-tight shutoff |
| Stem | SS316 rising stem with precision ACME threads, anti-blow-out collar, and handwheel nut |
| Packing | PTFE/graphite V-ring packing with Belleville spring live-loading for constant compression |
| Handwheel | SS304 knurled handwheel for fingertip control; T-bar handle for high-pressure torque |
| Gland Nut | SS316 hex gland nut with rolled threads to prevent galling and ensure smooth adjustment |
| Test | Requirement |
|---|---|
| Test Standard | API 598 / MSS SP-99 hydrostatic test at 1.5x rated pressure |
| Certification | CE, PED, ISO 9001, NACE MR0175 on request |
| Standard | Description |
|---|---|
| Design Standard | ASME B16.34 / MSS SP-99 |
The Inline Process Sampling Valve -- Needle Type SS316 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.