1. Description
The knife gate is an uni-directional 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
ON REQUEST |
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: WCB, 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: 4inch to 80inch
Drive Mode: Level: Gear Box: Penematic: Motor
4. Pictures of Produciton
Shandong Zhongli High Pressure Valve Co., Ltd.
Adds: No 655, Maoyuan South Road, Zaozhuang City, Shandong Province, China