V TYPE SEAL KNIFE GATE VALVE
PRODUCT DESCRIPTION
1,Purpose
Mainly used for slag, bug dust, paper pulp, sewage, asphalt, grout etc. Transporting pipelines in industrial, mining, environmental protection, food etc. Trades, acting at connecting and closing the pipeline.
2,Features
There is no dregs and no block-up in the round runner. The round runner is compactly designed and features a small space, light weight, easy repair and a long duration. The inside of the valve can be made in V-shape, triangular and pentagonal channels so as to suit for the fluid control requirement. There are butt-clamped and flange lug two connection types and metal hard seal, metal-to-polyurethane and reinforced PTFE soft seals.
3,Executive standard
- Flange standard: GB/T9113
- Test and inspection: GB/t13927
4,Performance range
PN |
1.0 |
1.6 |
MPa |
Strength test |
1.5 |
2.4 |
Sealing test |
1.1 |
1.76 |
Suitable temperature |
PTFE≤200; Carbon steel≤425; Stainless steel≤600; Chrome-molybdenum-vanadium steel≥600 |
ºC |
Media used |
Syrup, paper pulp, sewage, coal paste, lime-ash water etc. |
5,Main part materials
Title of part |
Material |
Body/bonnet |
Carbon steel,Stainless steel |
Gate |
Carbon steel, Stainless steel |
Stem |
Stainless steel |
Sealing face |
Rubber. PTFE. Stainless steel. Carbide alloy |
6,Main dimensions
DN |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
700 |
800 |
900 |
D0 |
180 |
180 |
220 |
220 |
230 |
280 |
360 |
360 |
400 |
400 |
40 |
530 |
530 |
600 |
600 |
680 |
680 |
L |
48 |
48 |
50 |
50 |
57 |
57 |
70 |
70 |
76 |
76 |
89 |
89 |
114 |
114 |
127 |
127 |
154 |
Hmax |
285 |
298 |
315 |
365 |
400 |
475 |
540 |
630 |
780 |
885 |
990 |
1100 |
1200 |
1450 |
1700 |
2000 |
2300 |