Non groove Knife Gate Valve, cast iron body with the over all structure knife gate valve, including valve’ body, gate, and U-shaped flexible seal at the bottom of the body with grooves. When the valve is closed, the bottom of the gate edge contact with the seal and then compress the seal into the groove in the body and sealed gate realization; when the gate opens, separate gate from the bottom edge of the seal, seal will bounce to same level as groove, which will prevent the media sediment accumulated in the body cavity of the groove, no clogging, no residue, pipe easy to clean, so as to effectively improve the sealing effect knife gate valve to prevent leakage when the valve is closed.

QM Series No groove bi-directional seal knife gate valve,
This product is a knife gate valve with two-piece non-groove 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 two-piece non-groove body?
Send the required connection dimensions, available installation space and medium details. Ask for the drawing of the quoted two-piece body, gate and seat arrangement so you can check fit and maintenance access before ordering.
Which details are needed for the bi-directional arrangement?
State whether the valve must shut off pressure from either side and give the expected differential pressure in each direction. Request the permitted pressure directions and shutoff test criteria for the selected assembly rather than relying on the bi-directional name alone.
What gate, seat and operating information should be supplied?
Provide the medium, solids content where relevant, operating conditions and required operating method. Ask the quotation to identify the actual gate and seat materials, operator scope and any installation or maintenance clearances.
Related Information
Browse Knife Gate Valves, read Valve Technical Knowledge, or visit About Trekre.