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Needle Valve Series : NV107A
Angle Needle Valve (With Live Load System)
Series : NV107A
DAWSONS-TECH® Needle Valve Series : NV107A (Angle Pattern) design very carefully with live loaded PTFE/Graphite packing to provide repeated leak tight seal between stem and bonnet of the valve and also compensate for wear and pressure / temperature fluctuations during its operations.
Material of Construction :
| Sr. No. | Part Description | Material |
| 1 | Handle | SS316 |
| 2 | Screw | SS316 |
| 3 | Valve Stem | SS316 |
| 4 | Lock Nut | SS316 |
| 5 | Belleville Washer | Stainless Steel |
| 6 | Upper Gland | SS316 |
| 7 | Packing | PTFE / Graphite |
| 8 | Lower Gland | SS316 |
| 9 | Panel Nut | SS316 |
| 10 | Valve Body | SS316 |
| End Connection | Flow Data | Dimensions in mm | Dawsons-Tech Part No. | |||||
| Type | Size – A | Orifice (mm) | Cv | B | E | F | A/F | |
| Tube OD to Tube OD | 1/4″ | 4.3 | 0.37 | 29.5 | 43.0 | 54.0 | 22.20 | NV107A-TT4 |
| Female to Female NPT | 1/4″ | 4.3 | 0.37 | 25.4 | 43.0 | 54.0 | 22.20 | NV107A-FF4N |
| 1/2″ | 6.3 | 0.73 | 35.8 | 59.5 | 58.0 | 31.75 | NV107A-FF8N | |
| Male to Female NPT | 1/4″ | 4.3 | 0.37 | 25.4 | 43.0 | 54.0 | 22.20 | NV107A-MF4N |
| 3/8” | 4.3 | 0.37 | 35.8 | 59.5 | 54.0 | 28.57 | NV107A-MF6N | |
| 1/2″ | 6.3 | 0.73 | 35.8 | 59.5 | 58.0 | 31.75 | NV107A-MF8N | |
| Male NPT to Tube OD | 1/4″ | 4.3 | 0.37 | 28.7 | 43.0 | 54.0 | 22.20 | NV107A-M4N-T4 |
Dimensions are for reference only and are subject to change.