Rotary Airlock Valve Repair & Rebuild

We specialize in rebuilding rotary airlock valves to factory specifications. Whether your valve is leaking, worn, or underperforming, we service Rotolok, Prater, Coperion, Bush & Wilton, and all major brands.

Rotary airlock valve repair

Every rebuild meets OEM clearances, no shortcuts.

Rotor tip buildup, machining & dynamic balancing
Housing bore repair and precision machining
Bearing and seal replacement
Shaft repair and straightening
End plate resurfacing
Complete disassembly, inspection & reassembly
Clearance adjustment to OEM specifications
Stainless steel and cast iron valve repair
Drop-through & blow-through reconditioning
NFPA-compliant rotary valve rebuilds

Rotary airlock valves from every manufacturer.

Rotolok

NFPA, BLO-THRU, and OFFSET airlock valve models

Prater Industries

Rotary airlock valve feeders and processing equipment

Coperion

ZRD, ZXD, and all rotary valve series

Bush & Wilton

Drop-through and blow-through rotary valves

Meyer Industrial

Heavy-duty rotary airlock valves for bulk handling

NES Company

Cast iron and stainless steel blow-through valves

Rotary Airlock LLC

1,900+ makes & models, fabricated rotary valves

Palmer Tool

Extreme Duty rotary valves and retrofits

JC Cross

All rotary valve airlock models and configurations

Critical components for every industry.

Rotary airlock valves are essential in pneumatic conveying, dust collection, and material handling. We understand the unique demands of each application.

Food processing & grain handling
Pharmaceutical manufacturing
Chemical processing
Plastics & polymer production
Cement & minerals processing
Feed & pet food manufacturing
Pulp & paper mills
Power generation
Rotary airlock valve rebuilt to factory specifications

Need your rotary airlock valve repaired?

Free estimates, free pickup & delivery, and factory-spec rebuilds.