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Two or more One-Way gate valves comprise the modular construction of the rock box diverter. The unit is designed to be "on stream" with extremely abrasive material such as glass cullet or cement clinker. The "rockbox" design uses the material itself as a wear surface to protect key components such as the blade and seals.

Due to modular construction, a wide variety of diversion angles, number of outlets, and outlet sizes are available to suit the application. Replaceable abrasion-resistant steel linings and apex points are standard.
Unit of Measure


Materials of Construction

N/A 304 Stainless Steel 316 Stainless Steel Aluminum Carbon Steels Inconel

Wear Liners

N/A 304 Stainless Steel 316 Stainless Steel Ceramic Chromium Carbide PTFE Type 240 AR Steel Type 400 AR Steel UHMW

Seal Materials

N/A Black Neoprene Buna Felt Fluoroelastomer, High Temp Metal PTFE, Food Grade and High Temp Red Silicone, High Temp UHMW Urethane White Neoprene, Food Grade

Types of Actuation

N/A Linear and Rotary Electric Linear and Rotary Hydraulic Linear and Rotary Pneumatic Manual Lever, Handwheel, Chainwheel, Hammer Block

Position Feedback

N/A LDT Mechanical limit switches, gate body and actuator mounted Potentiometer Proximity sensors, gate body and actuator mounted


N/A Directional valves
Analog and digital infinite positioning
Visual position indicators
Control systems
Electricals for hazardous or corrosive atmospheres
Hydraulic Power Units
Rock box designs
Special paint
Cast NI-HARD flow splitting points
Hard Faced Blade Tips