Product Main

Specifications

 
Knife Gate Valve description:
Design: MSS SP-81;
Manufacture: Factory STD;
Face To Face: ANSI B16.10
Flange: ANSI B16.1;
Bolt Gland;
Metal Seal;
Material and Working Temp. :
Cast Iron and Ductile Iron: 0 C-80 C(32 F -176 F)
Brass/bronze Seal: 80 C(176 F) Maximum
Stainless Steel Seal: 80 C(176 F) Maximum
 
PARTS AND MATERIAL:
NO. PARTS NAME MATERIAL
1 BODY ASTM A126-B/A536, DIN GG25/GGG40
2 DISC SS304/SS316
3 GASKET BRAIDED GRAPITE RING
4 GLAND ASTM A126-B/A536, DIN GG25/GGG40
5 BONNET NUT CARBON STEEL
6 BONNET BOLT CARBON STEEL
7 STEM BOLT CARBON STEEL
8 RESISTENT PIN CARBON STEEL
9 BONNET ASTM A126-B/A536, DIN GG25/GGG40
10 STEM NUT BRASS OR DUCTILE IRON
11 HANDWHEEL DUCTILE IRON
12 H. W.LOCKNUT STEEL
13 STEM F6a/F304/F316
14 SEAL RING EPDM/PTFE/BRASS
 
 
DIMENSIONS LIST(UNIT: MM):
 
SIZE DN L D D1 D2 H b n- W
 
2” 50 55 152 121 92 302 16 4-19 240
 
2-1/2” 65 55 178 140 111 317 18 4-19 240
 
3” 80 55 190 153 127 340 19 4-19 240
 
4" 100 55 229 191 157 377 20 8-19 280
 
5” 125 60 254 216 186 430 20 8-22 280
 
6" 150 60 279 242 216 525 20 8-22 360
 
8" 200 70 343 299 278 670 22 8-22 360
 
10" 250 80 406 362 324 771 22 12-25 400
 
12" 300 80 483 432 381 895 25 12-25 400
 
14" 350 90 533 476 413 982 25 12-29 500
 
16” 400 90 597 540 470 1245 28 16-29 500
 
18” 450 130 635 578 533 1338 28 16-32 500
 
20” 500 130 698 635 584 1465 30 20-32 500
 
24” 600 130 813 750 692 1658 30 20-35 720