PTFE Needle Valves
PTFE Needle Valves Specification
| Specification | Details |
|---|---|
| Material of Construction | Body: Stainless Steel, Brass, or Carbon Steel Seals/Stem Packing: PTFE (Polytetrafluoroethylene) |
| Size Range | 1/8″ to 2″ (DN 3 to DN 50) |
| Pressure Rating | Up to 10,000 psi (depending on size and material) |
| Temperature Range | -200°C to 260°C (-328°F to 500°F) |
| End Connections | Threaded (NPT, BSPT), Flanged, or Compression |
| Valve Type | Needle Valve (Manual or Pneumatic Actuation) |
| Flow Capacity | Low to medium flow, depending on valve size and design |
| Sealing Material | PTFE (Polytetrafluoroethylene) |
| Stem Type | Single or Double stem (depending on design) |
| Bonnet Type | Standard or Extended Bonnet for high-temperature applications |
| Design Standards | ANSI B16.34, ASME B1.20.1 (Threaded) |
| Body Materials | Stainless Steel (316, 304), Brass, Carbon Steel, Alloy Steel |
| Threaded Connection | NPT, BSPT, BSPP |
| Leakage Rate | ANSI/FCI 70-2, Class IV or V (depending on sealing material) |
| Flow Range | Precision adjustment, ideal for small flow rates and throttling |
| Actuation | Manual (Standard), Pneumatic or Electric (optional) |
| Pressure Test | Shell test: 1.5 x Class, Seat test: 1.1 x Class |
| Application | Chemical processing, pharmaceuticals, food and beverage, laboratory, high-purity systems |
| Features | <ul><li>Excellent chemical resistance (ideal for aggressive fluids and gases)</li><li>Minimal flow disturbance due to sharp-edged needle design</li><li>Leak-proof sealing</li><li>Highly resistant to abrasion and wear</li></ul> |
| Certifications | ISO 9001, CE, UL, FDA (if used for food & pharmaceutical applications) |
| Optional Features | Anti-static design, Adjustable stem packing, Locking mechanism for flow control |
