Zhengzhou, CN [email protected]
24/7 Support | EN / 中文
Gate Valves Knife gate

Bi-directional Self-Sealing Knife Gate Valve

Bi-directional self-sealing knife gate valve in lug and flange configurations.

Quick Specifications

Type
Knife gate valve
Series
QWL Series
Seal Direction
Bi-directional
Configuration
Lug / Flange, self-sealing
Connection
Lug / Flange
Operation
Manual, pneumatic, electric, hydraulic, gear

Product Details

A bi-directional self-sealing knife gate valve available in lug and flange configurations for slurry, sewage, powder, papermaking and chemical services. Broad body, disc and seating material options.

Specifications

ParameterValue
Model / SeriesQWLZ53X
Product FamilyKnife Gate Valve
Catalog NameBi-directional Self-Sealing Knife Gate Valve
Size RangeDN50 and above (PN10/PN16/150LB/JIS 10K)
Pressure RatingPN10 / PN16 / 150LB / JIS 10K
Body / Main MaterialF55, F53, 2205, CF3M, CF8M, CF8, WCB, GGG40
Seat / Seal MaterialNBR, EPDM, NR, PU; Packing aramid / high-water fiber / rubber / PTFE / graphite
End ConnectionLug / Flange; GB/T9113.1-2010, ASME B16.5 (2"-24"), ASME B16.47 (26"-60"), AS2129 Table D/E; DIN PN10/PN16, 150LB, JIS 10K
ActuationHandwheel, electric, pneumatic, hydraulic, sprocket, electro-hydraulic gear
Typical ApplicationSlurry, municipal sewage treatment, powder handling, papermaking, chemical industry

FAQ

What should be confirmed before ordering?

Confirm the model, DN size, body/gate material, seat material, pressure class, flange standard, medium and actuator option against the selected catalog drawing.

Does one series cover all materials and sizes?

No. Materials, dimensions and pressure limits depend on the exact model suffix and DN size shown in the catalog material and dimension tables.

Can an actuator be supplied?

Manual, pneumatic, electric and other actuation options are catalog-dependent. Confirm the actuator type, control mode and mounting details for the final valve selection.

Which documents should be requested?

Request the current dimensional drawing, material list, inspection requirement and final technical confirmation for the selected model and size.

Need This Product for Your Project?

Send us your required size, material, pressure rating, quantity or applicable standard, and our team will review your requirement.

Send Your RFQ