Manual Operated Knife Gate Valve
Purpose
Mainly used for siag, bug dust, paper pulp, sewage, grout etc, transporting pipelines in industries, mining, environmental protection, food etc, trades, actin at connecting and closing the pipeline.
Features
There is no dregs and no block-up in the round runner. the round runner is compactly design and features a small space, light weight, easy repair and a long duration. The inside of the gate 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, meatl-to-polyurethane and reinforced PTFE soft seals.
Executive Standard
- Flange standard. GB/T9113
- Test and inspection. GB/T13927.
Performance Range
|
PN |
1.6 |
1.6 |
MPa |
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Strength Test |
1.5 |
2.4 |
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Sealing Test |
1.1 |
1.76 |
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Suitable Temperature |
PTFE ≤80; Carbon steel ≤425; Stainless steel ≤600. Chrome-molybdenum-vanadium steel ≤600 |
°C |
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Media used |
Syrup, paper pulp, Sewage, Coal paste, Lime-ash Water etc. |
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Main Part Materials
| Title Of Parts | Material | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Body/Bonnet |
Carbon steel, Stainless steel |
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|
Gate |
Carbon steel, Stainless steel |
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Stem |
Stainless Steel |
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Sealing face |
Rubber, PTFE, Stainless steel, Carbide alloy |
Main dimensions (1.0MPA/1.6MPa)
|
DN |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
700 |
800 |
900 |
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|
D0 |
180 |
180 |
220 |
220 |
230 |
280 |
360 |
360 |
400 |
400 |
40 |
530 |
530 |
600 |
600 |
680 |
680 |
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|
L |
48 |
48 |
50 |
50 |
57 |
57 |
70 |
70 |
76 |
76 |
89 |
89 |
114 |
114 |
127 |
127 |
154 |
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|
Hmax |
285 |
298 |
315 |
365 |
400 |
475 |
540 |
630 |
780 |
885 |
990 |
1100 |
1200 |
1450 |
1700 |
2000 |
2300 |
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