SS-6NVF8 Internal Thread Needle Valve
The NV Series Needle Valve features a compact, lightweight design with a non-rotating hardened tip that guarantees a bubble-tight gas seal and safe operation in high-vibration environments. Engineered with the packing seal below the actuating threads to completely prevent process medium contamination, this robust valve ensures exceptionally low torque operation and a long service life at temperatures ranging from -15°C to 170°C.
Overview
Application:This SS-6NVF8 Internal Thread Needle Valve is designed for marine applications involving Fresh water, Sewage, Sea water,Steam, Oils.
Material Specification:
Part | Body Material | |
|---|---|---|
316 | A105 | |
Handle | 304 | |
Lock screw | 304 | |
Cap | ||
Gland bolt | 316 | A105 |
Gland ring | 316 | A105 |
Packing seat | 316 | A105 |
Packing | 316 | F6a |
Body gasket | Flexible graphite / PTFE / Carbon fiber | |
Stem | 316 | 304 |
Stem | 316 | A105 |
Double clamp (nut) | 316 | F6a |
Lubricant | 316 MoS2 | |
Technical Specifications:
Compact and lightweight.
2 piece non-rising actuated (17~14-trips) tips for fast seal and long service life.
Packing seal below hardened threads to prevent thread contamination by the process medium.
Temperature rating -15℃ to 170℃
Flexible packing for replacement can extend field life further.
Full material traceability of main components.
100% hydrostatic testing.
Back sealing stem to extend packing life.
Drawing:

Dimensions:
Type&spec | Joint Size | L | H | D0 | Weight (kg) |
|---|---|---|---|---|---|
SS-3NVS4 | Φ6 | 76 | 65 | 57 | 0.45 |
SS-3NVS6 | Φ8 | 76 | 65 | 57 | 0.45 |
SS-6NVS8 | Φ10 | 78 | 65 | 57 | 0.45 |
SS-12NVS10 | Φ12 | 78 | 65 | 57 | 0.5 |
SS-12NVS12 | Φ14 | 92 | 78 | 63 | 0.6 |
