Ductile Iron Knife Gate Valve

NRS/OS&Y Knife Gate Valve BI-Directional
Face To Face: EN 558 S20 MSS SP-81.
Flange Standard:  EN1092-2 , BS10 , T/E, T/D,MSS SP-81
Inspection & testing: BS EN 12266-1/AWWA C520
Working Temperature:  -20℃ to 100℃(-4°F to 212°F)
 
MATERIAL
NO.  Part  Material
1  U  Seat  EPDM
2  Body  Ductile lron
3  Knife  SS316
4  Packing  PTFE
5  Bolts  Stainless Steel
6  Packing Gland  Ductile lron
7  Yoke  SS420
8  Stem  SS420
9  Stem Nut  Brass
10  Handwheel  Ductile lron
DIMENSIONS
DN H EN1092-2(PN10) BS  10  T/D BS  10  T/E ANSI MSS SP-81 W
L D n-M L D n-M L D n-M L D n-M
50 337 43 125 4-M16 43 114.3 4-5/8" 43 114.3 4-5/8" 48 120.5 4-5/8" 180
65 357 46 145 4-M16 46 146 4-5/8" 46 146 4-5/8" 48 139.5 4-5/8" 180
80 400 46 160 8-M16 46 165.1 4-5/8" 46 165.1 4-5/8" 51 152.5 4-5/8" 200
100 435 52 180 8-M16 52 177.8 8-5/8" 52 177.8 8-5/8" 51 190.5 8-5/8" 250
125 519 56 210 8-M16 56 209.8 8-5/8" 56 209.8 8-5/8" 51 216 8-3/4" 300
150 550 56 240 8-M20 56 235 8-5/8" 56 235 8-3/4" 57 241.5 8-3/4" 300
200 648 60 295 8-M20 60 292.1 8-5/8" 60 292.1 8-3/4" 70 298.5 8-3/4" 350
250 735 68 350 12-M20 68 355.6 8-3/4" 68 355.6 12-3/4" 70 362 12-7/8" 400
300 879 78 400 12-M20 78 406.4 12-3/4" 78 406.4 12-7/8" 76 432 12-7/8" 500
350 967 78 460 16-M20 78 469.9 12-7/8" 78 469.9 12-7/8" 76 476 12-1" 500
400 1068 102 515 16-M24 102 520.7 12-7/8" 102 520.7 12-7/8" 89 539.5 12-1" 500
450 1169 114 565 20-M24 114 584.2 12-7/8" 114 584.2 16-7/8" 89 578 16-1-1/8" 500
500 1267 127 620 20-M24 127 641.3 16-7/8" 127 641.3 16-7/8" 114 635 20-1-1-8" 600
600 1480 154 725 20-M27 154 755.6 16-1" 154 755.6 16-7/8" 114 749.5 20-1-1/4" 600