Rotary Valves

Rotary Valve ZRD

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The ZRD is an ideal discharging- and metering-valve for handling powders in various industries.

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Discharging and Metering Valve for Powders

Coperion's ZRD Rotary Valve is engineered for versatility and efficiency across various industrial applications. Its unique bucket box principle features a large inlet geometry, allowing for optimal material flow. The valve boasts a premium sealing system with double shaft seals and a labyrinth ring for effective gas purging, ensuring maximum reliability. Designed with user convenience in mind, the ZRD includes outboard bearings and a separate drop-out opening for easy detection of gasket failures. With customizable rotor options (a 10-chamber open-end D-Rotor for powders, an X-Rotor for fibrous materials, and a C-Rotor for abrasive products) the ZRD Rotary Valve is the perfect solution for your processing challenges.

Main features

Pressure range
1.5 barg (21 psi) system and differential pressure
Pressure surge proof
10 barg (145 psi), due to heavy duty design (ZPD 5 barg)
ATEX (optional)
Usable in EX-Zones and as protection system (flameproof for dust ST2)
Large inlet / outlet
Without restriction of the cross section for highest capacities
Outboard bearings
Separated from product by purged seal arrangement and drop out opening

Related Industries

Plastics
Chemicals
Food & Pet Food
Minerals

The ZRD Drop-Through Valve is expertly engineered for exceptional performance and unwavering reliability, ensuring optimal operation in demanding applications.

Options and Accessories

Quick cleaning coupling with extraction device
Chamfered blades
Rotor with shallow pockets
Knife at the product inlet
X-rotor ZRX or C-rotor ZRC
Wear protection
Sanitary version
High temperature execution (T) up to 250°C

OPTIMAL FOR HYGIENIC APPLICATIONS

The rotary airlock valve is meticulously engineered to meet the stringent demands of sanitary applications across various industries, including pharmaceuticals, food processing, and chemical manufacturing. In environments where contamination poses a significant risk, this valve plays a crucial role in maintaining product integrity and safety. Its design prioritizes hygiene, featuring smooth surfaces and minimal crevices that facilitate thorough cleaning and sanitation. This ensures compliance with industry standards and regulations, making it an ideal choice for facilities that require frequent cleaning and maintenance.