The knife gate is a wafer valve designed for general industrial service applications. The design of the body and seat assures non-clogging shut off on suspended solids in industries such as:
• Pulp and Paper • Wastewater treatment plants • Food and Beverage • Mining
• Power plants • Chemical plants • Bulk handling
| Model |
Size |
Flange Standard |
Test Pressure (Mpa) |
Working Temp. |
Medium |
| Body Strength |
Seal |
| PZ73X-16RQ |
DN50-DN350 |
PN10/PN16/150LB |
1.6 |
1.0 |
≤80ºC |
Water, Pulp, Sewage, Coal |
| DN400-DN600 |
1.0 |
0.6 |
| DN700-DN950 |
0.6 |
0.4 |
| DN1000 |
0.6 |
0.3 |
| DN100-DN1400 |
0.5 |
0.3 |
2. Maximum Seal and Packing Temperatures
Max Temperature
(ºC) |
Seal |
| EPDM |
VITON |
NITRILE |
GRAPHITE |
| 120 |
200 |
120 |
600 |
Max Temperature
(ºC) |
Packing |
| NBR |
GRAPHITE |
| 80 |
600 |
3. Technical Requirment
Material: GGG40/50; CF8; CF8M; 2205; 2507
Connection Model: Lug Type,. Flange Type
Connection Standard: DIN EN 1091-1; GB/T 9119-2000; JIS 10K; ASME B 16.5
Size Range: 2inch to 24 inch
Drive Mode: Level: Gear Box: Penematic: Motor
4. Pictures of Produciton
Item1: GGG40 Body, SS304 Disc, EPDM Seat, Bi-directional, Rising/No-rising Stem, Handwhell/GearBox/Pneumatic/Electric
Item2: CF8/CF8M/CF3/CF3M/2205 Body, SS304/SS316/SS304L/SS316L Disc, Metal Seat, Uni-directional, Rising / Non-rising Stem, Handwhell/GearBox/Pneumatic/Electric
Item3: WCB Body, 2Cr13/SS304/SS316/SS304L/SS316L Disc, Metal Seat, Uni-directional, Rising Stem, Bonnetless, Handwhell/GearBox/Pneumatic/Electric
Item4: WCB Body, 2Cr13/SS304/SS316/SS304L/SS316L Disc, Uni-directional, Rising Stem, Bonneted, Handwhell/GearBox/Pneumatic/Electric
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