Roller flour mill Diorit

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Overview
The Diorit roller mill grinds wheat, durum, rye, barley, corn and spelt. Available in four-roller (MDDY) and eight-roller (MDDZ) configurations, it is offered in multiple roller diameters (250 mm, 300 mm) and lengths (600–1500 mm). The machine is built on a cast iron frame for continuous 24/7 industrial operation and supports optional front-roller cooling and direct suction installation.

Key benefits

• Configurable layout: Multiple sizes and configurations allow tailoring the mill to specific plant layouts and capacity requirements.
• Quick roller pack change: The Quick Pack system enables roller pack replacement in under one hour, minimizing downtime.
• Integrated monitoring: Sensors track roller temperature, positioning/disengagement and speed to prevent overheating and mechanical contact, improving safety and uptime.

Highlight features

• Flexible configurations: Available as MDDY (four-roller) and MDDZ (eight-roller); roller diameters 250 mm and 300 mm; roller lengths from 600 mm to 1500 mm.
• Continuous operation: Sturdy cast iron construction designed for 24/7 production environments.
• Operational safety: Sensor suite monitors disengagement, speed and temperature and stops rollers when no product is present.
• Easy maintenance and cleaning: Swing-out feed module provides access for cleaning and emptying product.
• Sampling and access control: Locks and hand guards for safe sampling and to prevent unauthorized access.
• Split version: MDDY split configurations (e.g. MDDY-600/250) available for small or educational mills.
• Control and automation: Touch-screen HMI; remote operation and monitoring via smartphone or tablet.
• Hygienic product contact: All product-contact surfaces are stainless steel or food-grade materials.

Application possibilities

• Wheat
• Durum wheat
• Corn / maize
• Oats
• Sorghum
• Barley
• Rye
• Spelt
• Starch (biorefinery applications)

Downloads
Brochure and related product stories are available as downloadable PDFs (for example: Brochure Diorit, MS Swissmill Customer Story - Diorit roller mill).

Technical specifications

• Commercial name / model: Diorit (MDDY and MDDZ variants)
• Designs: Four-roller (MDDY) and eight-roller (MDDZ)
• Roller diameters: 250 mm and 300 mm
• Roller lengths: 600 mm to 1500 mm
• Quick Pack roller pack: changeable in less than one hour
• Frame: Cast iron frame for continuous 24/7 operation
• Safety sensors: Monitor roller temperature, speed and disengagement/positioning
• Optional features: Cooling system for front rollers; direct suction option
• Cleaning access: Swing-out feed module for cleaning and emptying
• Split version: MDDY-600/250 split configuration available (up to four passages)
• Control: Touch screen control; remote operation via smartphone/tablet
• Hygiene: Product-contact parts made of stainless steel or food-grade materials