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Sanitary Modulating Control Valve for Pharmaceutical and Biotech Process
This datasheet covers weir-type pneumatic diaphragm control valves in SS316L for pharmaceutical, biotech, and food-grade modulating flow control with tri-clamp connections and CIP/SIP compatibility.
| Parameter | Specification |
|---|---|
| Valve Size Range | DN15 to DN100 (1/2" to 4") |
| Pressure Rating | PN10 (full vacuum to 10 bar) |
| Body Material | Forged SS316L (1.4404), Ra 0.8 µm internal finish |
| Diaphragm Material | PTFE (steam-resistant), EPDM (FDA), silicone (pharma-grade) |
| Weir Profile | Streamlined weir with radiused edges, no dead legs |
| Actuator Type | Multi-spring pneumatic diaphragm (air-to-open / air-to-close) |
| Positioner | Smart 4-20 mA HART positioner with sanitary housing |
| Cv Range | 0.05 to 150 (weir size dependent) |
| Leakage Class | ANSI/FCI 70-2 Class VI (soft diaphragm) |
| Temperature Range | -10°C to +150°C (PTFE diaphragm) |
| End Connections | Tri-Clamp DIN 32676 / SMS / ISO 2852 |
| Surface Finish | Internal Ra 0.8 µm, external Ra 1.6 µm |
| Component | Material |
|---|---|
| Body | Forged SS316L, fully machined from solid bar, no casting porosity, Ra 0.8 µm ID |
| Bonnet | SS316L, bolted or clamped, houses diaphragm compression mechanism |
| Diaphragm | Multi-ply PTFE or EPDM, fabric-reinforced for high-cycle life, replaceable |
| Weir | Integral SS316L weir, polished and radiused, no threads or crevices exposed to product |
| Compressor | SS316 split-ring diaphragm compressor with uniform bolt-circle torque |
| Actuator Diaphragm | Reinforced EPDM or neoprene pneumatic diaphragm with rolling seal |
| Positioner | HART-compatible smart positioner in IP67 stainless steel housing |
| Test | Requirement |
|---|---|
| Test Standard | Hydrostatic 1.5x PN, vacuum 0.8 bar |
| Certification | FDA, 3A, EHEDG, CE, ISO 9001 |
| Standard | Description |
|---|---|
| Design Standard | 3A Sanitary Standard / EHEDG / ASME BPE |
The Pneumatic Diaphragm Control Valve -- Weir Type Pharma SS316L 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.