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
|
≤
80
ºC
|
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