NRS Cast Iron Gate Valve
Body: Cast Iron
Seat: Bronze
Disc: Cast Iron
Stem Nut: Stainless Steel
Stem: Stainless Steel
Gasket: SS420
Hexagonal Head Bolt: Carbon Steel
Bonnet: Cast Iron
Mid Gasket: EPDM
O Ring: EPDM
Stem Packing: PTFE
Gland: Cast iron
Hexagonal Bolt: Carbon Steel
Handwheel: Cast Iron, Ductile Iron
Hexagonal Head Bolt: Carbon Steel
Nominal Diameter: DN40 to DN400
Nominal Pressure: Class150 to Class1500, PN10 to PN64
End Connection: Flanged, Buttweld, Socketweld
Dimension
PN10Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Unit: mm
| DN | L | H | n-d | D2 | D1 | D |
| 40 | 140 | 310 | 4-19 | 86 | 110 | 150 |
| 50 | 150 | 330 | 4-20 | 100 | 125 | 165 |
| 65 | 170 | 350 | 4-20 | 120 | 145 | 185 |
| 80 | 180 | 428 | 8-20 | 135 | 160 | 200 |
| 100 | 190 | 513 | 8-20 | 155 | 178 | 220 |
| 125 | 200 | 625 | 8-20 | 185 | 210 | 250 |
| 150 | 210 | 703 | 8-23 | 210 | 240 | 285 |
| 200 | 230 | 952 | 8-23 | 265 | 295 | 340 |
| 250 | 250 | 1150 | 12-23 | 320 | 350 | 395 |
| 300 | 270 | 1314 | 12-23 | 370 | 400 | 445 |
| 350 | 290 | 1450 | 16-23 | 435 | 460 | 505 |
| 400 | 310 | 1514 | 16-28 | 485 | 515 | 565 |
