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DeZURIK KGC-BD Bi-Directional Cast Stainless Steel Knife Gate Valves

DeZURIK KGC-BD Bi-Directional Cast Stainless Steel Knife Gate Valves is a bi-directional knife gate valve series for process lines with changing differential pressure. It supports isolating flow from either direction when the selected configuration is matched to operating conditions. This is a manufacturer-branded product offering; any substitute or aftermarket alternative requires separate technical verification. Request a quote for KGC-BD Bi-Directional Cast Stainless Steel Knife Gate Valves from DeZURIK.

Product description

DeZURIK KGC-BD Bi-Directional Cast Stainless Steel Knife Gate Valves addresses process lines with changing differential pressure. The bi-directional knife gate valve should be selected against the intended operating sequence rather than by nominal size alone. A correctly specified unit supports isolating flow from either direction. System engineers should confirm the required isolation or modulation duty before purchase.

The series is distinguished by bi-directional shutoff. Engineering review should cover cast stainless steel construction and bi-directional sealing, available connections and the mechanical loads imposed by the piping system. Material and seal compatibility must be checked against the actual process fluid. Actuation and controls should be specified to suit the required duty cycle.

Operational performance depends on the complete valve assembly and its installed conditions. Pressure differential, flow velocity and solids content can influence wear and sealing behavior. In particular, maintenance planning should account for reverse-pressure leakage and gate wear. Inspection intervals should be established from service severity and site experience.

Procurement should use the exact series designation and confirmed configuration data. Fit, dimensions, accessories and replacement parts must be verified against the manufacturer's current technical documents. Availability and delivery timing depend on the selected variant and supplier. Request a documented quotation with applicable drawings, materials and operating limits.


It is considered for process lines with changing differential pressure. Final suitability depends on the duty point, process medium and installation requirements.
Material selection must be verified against the exact model and configuration. Review body, closure element, seat, lining and packing materials as applicable; the series name alone does not establish every wetted material.
Key risks include reverse-pressure leakage and gate wear, along with improper actuation, unsuitable process chemistry and operation beyond verified limits. A duty-specific risk review is recommended.
Check the manufacturer's current dimensional and technical data against line size, flange or end connections, pressure class, flow direction, controls and operating envelope. Do not assume interchangeability from the series code alone.
Base inspection and replacement on observed leakage, operating force, wear, duty cycles and manufacturer guidance. Confirm spare-part identification before scheduling an outage.
Gerard Ainsworth
Sales Director

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