Unidirectional Seal 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.
Unidirectional Seal Knife Gate Valve
Connecting flange can adopt DIN2632 PN10 and ANSI Class 150 standard
This product is a knife gate valve with unidirectional sealing and replaceable-seat configuration identified on the current page. Confirm the selected connection, materials and operating requirements before ordering.
Product Overview
This page covers a knife-gate configuration. The selected gate, seat and body arrangement should be reviewed for the intended service.
Selection Notes
Confirm the medium characteristics, service conditions, required connection, gate and seat materials, operating arrangement and installation space before ordering.
FAQ
What should be confirmed for the unidirectional sealing arrangement?
State the normal flow direction and any reverse differential-pressure condition. Ask for the permitted sealing direction, valve markings and installation drawing for the quoted assembly; do not assume bidirectional shutoff from a unidirectional product description.
What information is needed for the replaceable seat?
Ask for the seat identification, material, replacement procedure and spare-part reference for the selected valve. Confirm whether replacement requires removing the valve from the line and what access or tools are needed under the approved maintenance procedure.
Which service and operating details should be supplied?
Provide the medium, solids content where relevant, pressure and temperature conditions, operating frequency and required drive method. Include installation-space restrictions and ask for the gate, seat and operator configuration to be confirmed together.
Related Information
Browse Knife Gate Valves, read Valve Technical Knowledge, or visit About Trekre.