Продуктовый центр

Продуктовый центр

90 серий различных электрических, пневматических,
ручных клапанов и т.д.Более 8700 спецификаций и разновидностей

QB

Unidirectional Seal Knife Gate Valve/Light Seat Replaceable

Model:
QBZ73X
Working Pressure:
DN50-DN100 16bar
DN125-DN200 10bar
DN250-DN400 7bar
DN450-DN600 5bar
DN650-DN750 4bar
DN800-DN900 3bar
DN1000 2bar
DN1100-DN1400 1bar
Design Standard:
MSS SP-81
Flange Standard:
DIN PN10,PN16,150LB ,JIS 10K,TABLE E/D
Face to Face:
MSS SP-81
Testing Standard:
API-598
Operation:
manual, electric, pneumatic, hydraulic,sprocket, electro-hydraulic, gear ,lever
Main Material:
F55, F53, 2205, CF3M, CF8M, CF8, WCB, GGG40
Disc Material:
F55, F53, 2205, SS310, SS316L, SS316, SS304
Sealing Material:
NBR, EPDM, PTFE, FKM, Graphite, Metal
Packing:
Aramid fiber, high-water based fiber, rubber,PTFE, graphite
Applicable Medium:
for pulp, cement slurry, gold ore powder,coal slurry, pulp, chemical treatment of sewage, sedimentation tanks, asphalt,acid and other liquids and other media.
QB Series Knife gate valve is with replaceable rubber seal knife gate structure, its sealing principle is mainly by closely connection between gate and rubber seals. Its main characters is that
the rubber sealing ring is set in seat’groove and is locked by metal seat, which will prevent rubber seal off when opening and closing the valve. If the seal is broken, you can remove the metal
seat and replace the rubber seal, which will greatly improve valve’ working efficiency. This valve is a cost-effective, high-performance products. The series of knife gate valve can be equipped
with pneumatic actuators, in order to meet the requirements of different industrial and mining use.






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