| Operating Conditions | |
| Max. Test Pressure | 24 |
| Pressure Class (Optional) | 16 |
| Max. Applicable Temperature | 200℃ |
| No | Part Name | Material |
| 1 | Body | GG25 / GG40.3 / WCB / SS304 / SS316 |
| 2 | Window Lock Piece | GG25 / AISI304 |
| 3 | Window Lock Bolt | Carbon Steel SAE Gr 5 / AISI304 |
| 4 | Lock Stud Nut | Carbon Steel SAE Gr 5 / AISI304 |
| 5 | Window Sealing Gasket | PTFE |
| 6 | Sight Window | Thermal Glass |
| Sight Flow Indicator Type | Size | |||||||||
| NSTAG-1F/DN15 | L | D | D1 | D2 | D3 | D4 | f | b | S | N-Ø |
| NSTAG-1F/DN15 | 130 | 95 | 65 | 45 | 41 | 50 | 2 | 14 | 10 | 4*14 |
| NSTAG-1F/DN20 | 150 | 105 | 75 | 58 | 41 | 50 | 2 | 16 | 10 | 4*14 |
| NSTAG-1F/DN25 | 160 | 115 | 85 | 68 | 41 | 50 | 2 | 16 | 10 | 4*14 |
| NSTAG-1F/DN32 | 180 | 140 | 100 | 8 | 1 | 80 | 3 | 16 | 10 | 4*18 |
| NSTAG-1F/DN40 | 200 | 150 | 110 | 88 | 92 | 98 | 3 | 16 | 10 | 4*18 |
| NSTAG1F/DN50 | 230 | 165 | 125 | 102 | 110 | 98 | 3 | 18 | 10 | 4*18 |
| NSTAG1F/DN65 | 290 | 185 | 145 | 122 | 135 | 123 | 3 | 18 | 20 | 8*18 |
| NSTAG1F/DN80 | 310 | 200 | 160 | 138 | 135 | 123 | 3 | 20 | 20 | 8*18 |
| NSTAG1F/DN100 | 350 | 220 | 180 | 158 | 135 | 150 | 3 | 20 | 20 | 8*18 |
| NSTAG1F/DN125 | 400 | 250 | 210 | 188 | 185 | 150 | 3 | 22 | 24 | 8*26 |
| NSTAG1F/DN150 | 450 | 285 | 240 | 212 | 210 | 150 | 3 | 22 | 26 | 8*26 |
| NSTAG1F/DN200 | 600 | 340 | 295 | 268 | 260 | 275 | 3 | 24 | 28 | 12*30 |
UPON REQUEST,FLUID INDICATORS ARE PRODUCED ACC.TO DN10 AND ASA STANDARTS.
NST-AG1F