NST-14H Pressure reducing valves are products that are prefered very widely in the industries such as Petroleum, Chemical, Metallurgy, Thread, Printing, Paper, Greenhouse, Pharmaceutical industries. They are prefered as they have compact structures, small sizes and light weights.
| TECHNICAL SPECIFICATION | |||
| Orifice size (mm) | 15 | 20 | 25 |
| Fluid | Steam,Nitrogen,Inert gases, air | ||
| Fluid Temp.(°C) | ≤220 | ||
| Ambient temperature (°C) | -10~40 | ||
| Inlet pressure P1(MPa) | 0.1~1,6 | ||
| Outlet pressure P2 (MPa) | 0.05~1,0 | ||
| Max(P1-P2) (MPa) | 10:1 | ||
| Min.(P1-P2) (MPa) | ≥0.07 | ||
| Flow rate (Kv) | 0,9 | 1,6 | 2,6 |
| Sealin | After closing the valves,the pressure increase value ≤ 0.07 Mpa | ||
| SPARE PARTS | ||
| No | DESCRIPTION | MATERIAL |
| 1 | HANDWHEEL | REINFORCED NYLON |
| 2 | REGULATING SCREW ROD | MEDIUM CARBON STEEL |
| 3 | REGULATING SPRING CAP | STAINLESS STEEL 304 |
| 4 | BELLOWS PARTS | STAINLESS STEEL 304 |
| 5 | VALVE ROD | STAINLESS STEEL 304 |
| 6 | BAFFLE PLATE | BRASS |
| 7 | VALVE SEAT | BRASS |
| 8 | STEEL BALL | STAINLESS STEEL 304 |
| 9 | BODY | STAINLESS STEEL 304 |
| 10 | MAIN VALVE SPRING | STAINLESS STEEL 304 |
| 11 | BOTTOM COVER | STAINLESS STEEL 304 |
| 12 | STRAINER | STAINLESS STEEL 304 |
| 13 | VALVE COVER | ALUMINIUM |
| DIMENSIONS | ||||
| SIZE | L | H1 | H2 | W |
| 1/2" | 90 mm | 64 mm | 137 mm | 64 |
| 3/4" | 90 mm | 64 mm | 137 mm | 64 |
| 1" | 100 mm | 57 mm | 137 mm | 64 |
| CONNECTION | THREAD BSP | ||
| SIZES | 1/2" | 3/4" | 1" |
| WEIGHTS (KGS) | 1.60 | 1.65 | 1.80 |
| OPERATING CONDITIONS | |
| MAX. ALLOWABLE TEMPERATURE TMA (ºC) | 220 |
| MAX. OPERATING PRESSURE PMO (BAR) | 16 |
NST-14H