Bellows seal globe valves have superior sealing capability and maintenance free operation for steam cold-hot water, hot oil etc. The bellows act as a barrier between external media and fluid, minimize leaks.Environmentally friendly. Since the stem does not raise during opening they can be operated in narrow places.The bellows are highly resistant to corrosion.An ideal armatüre for mains.
| SPARE PARTS | ||
| No | Description | Material |
| 1 | BODY | GS-C25+13Cr |
| 2 | DISC | STAINLESS STEEL 304 |
| 3 | PIN | STAINLESS STEEL 304 |
| 4 | BELLOWS | STAINLESS STEEL 304 |
| 5 | GASKET | GRAPHITE+SS304 |
| 6 | BOLT | B7 |
| 7 | NUT | 2H |
| 8 | COVER | GS-C25 |
| 9 | PACKING | GRAPHITE |
| 10 | GLAND | 13Cr |
| 11 | PIN | 25 |
| 12 | BEARING | CARBON STEEL |
| 13 | SHAFT | STAINLESS STEEL 304 |
| 14 | SHAFT NUT | CU ALLOY |
| 15 | FLY WHEEL | CARBON STEEL |
| 16 | LOCK NUT | ALIMINIUM ALLOY |
| SIZE | PN 16 | ||||
| L | d | d1 | N-Ø | H | |
| DN15 | 130 | 95 | 65 | 4*14 | 174 |
| DN20 | 150 | 105 | 75 | 4*14 | 176 |
| DN25 | 160 | 115 | 85 | 4*14 | 207 |
| DN32 | 180 | 140 | 100 | 4*18 | 207 |
| DN40 | 200 | 150 | 110 | 4*18 | 210 |
| DN50 | 230 | 165 | 125 | 4*18 | 225 |
| DN65 | 290 | 185 | 145 | 4*18 | 250 |
| DN80 | 310 | 200 | 160 | 8*18 | 260 |
| DN100 | 350 | 220 | 180 | 8*18 | 345 |
| DN125 | 400 | 250 | 210 | 8*18 | 370 |
| DN150 | 480 | 285 | 240 | 8*22 | 430 |
| DN200 | 600 | 340 | 295 | 12*22 | 488 |
| DN250 | 730 | 405 | 355 | 12*26 | 530 |
| DN300 | 850 | 460 | 410 | 12*26 | 600 |
| CONNECTION | FLANGED | |||||||||||||
| SIZES | DN15 | DN20 | DN25 | DN32 | DN40 | DN50 | DN65 | DN80 | DN100 | DN125 | DN150 | DN200 | DN250 | DN300 |
| WEIGHTS (KGS) | 4,5 | 5 | 5,8 | 7,5 | 10 | 12,5 | 18,5 | 23 | 38,5 | 53 | 81 | 144 | 230 | 450 |
| OPERATING CONDITIONS | |
| MAX. ALLOWABLE PRESSURE PMA (BAR) | 24 |
| MAX. ALLOWABLE TEMPERATURE TMA (ºC) | 350 |
| MAX. OPERATING PRESSURE PMO BAR) | 16 |
NST-41H