Knife Gate for Mining & General Industry

UGES Knife Gates are built for the rugged demands of mining and general industry, providing sharp-edge shutoff for ore, minerals, aggregates, and industrial bulk materials. Their robust construction with Hardox wear components and multiple actuation options ensures reliable performance in the harsh operating conditions of mining and mineral processing operations.

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Knife Gate Key Specifications

Actuation

Pneumatic cylinder for automated ore processing control; hydraulic for high-force applications in heavy ore service; manual hand wheel for remote mine site isolation.

Sealing Type

Standard sealing for coarse ore and aggregates; low-leakage seals for fine mineral concentrates; zero-leakage inflatable seals for wet slurry isolation applications.

Seating Configuration

Hard seated (metal-to-metal) for all mining applications due to extreme abrasion; Stellite or tungsten carbide blade edge coatings for maximum wear resistance.

Port Shape

Square and rectangular ports for chute and hopper mounting; circular ports for slurry pipeline connections in mineral processing wet circuits.

Body Material

Mild steel body with Hardox 500 blade and liner plates; stainless steel body for corrosive mineral processing environments; rubber-lined option for slurry service.

Size Range

Available from 150 mm to 1200 mm for ore handling, mineral processing, aggregate production, and general industrial bulk material control applications.

Industrial Applications

Crusher Discharge Isolation
Installed below primary and secondary crushers to isolate discharge chutes during crusher maintenance, liner changes, or blockage clearing in mining operations.
Mineral Concentrate Hopper
Mounted at mineral concentrate storage hopper outlets to control feed to thickeners, filters, or loadout systems in mineral processing concentrator plants.
Tailings Pipeline Isolation
Used in tailings slurry pipelines for isolation during pipeline maintenance or routing changes, with rubber-lined body for abrasive slurry containment.

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