Master™ 311 Belt Scale Weigh Frame

Key Highlights

• Semi-modular design for simplified integration

• Mounts with just four bolts

• No moving parts for reduced maintenance

• Ideal for mining, blending, and process control

• Compatible with belts up to 36 inches wide

• Capacity up to 1,500 tons per hour

• Available in galvanized or stainless steel

• Custom widths and lifting weights on request

• Minimal conveyor modifications required

The Master™ 311 Belt Scale Weigh Frame offers a compact, semi-modular solution for inline conveyor weighing, ideal for both new installations and retrofit projects. Its minimalist design features a single load cell beam with a weighing roller or idler, mounted to a standard conveyor using just four bolts. With no moving parts, the 311M weigh frame ensures long-term reliability and minimal maintenance.

Capable of supporting belt widths up to 36 inches (914 mm) and belt speeds up to 400 ft/min (2 m/s), this frame is perfect for bulk flow regulation and process control. Whether used in mining, quarry operations, or blending systems, the 311M provides accurate weight feedback to help you maintain operational efficiency and product consistency.

Custom construction options—including galvanized or stainless steel builds—are available, and lifting weights can also be tailored to your specific needs.