New Gravimetric Blenders for Large-throughput Applications

Press Release Summary:

  • WSB 1200 series has throughput range of 900 to 2,040 kg/hr
  • Dispenses as many as twelve batch ingredients from pellets, powders and liquids to poorly flowing ingredients like regrind, flake, wood flour and talc filler
  • Suitable for extrusion, high volume injection and blow molding and central blending applications

Original Press Release:

New Gravimetric Blenders Dispense up to 12 Ingredients and have Expanded Capacity for Virgin and Recycled Materials

  • 1200 Series Blenders from Maguire Products Address Growing Need to Use More Regrind and Post-Consumer Resin along with Virgin Polymer

Aston, PA, U.S.A., February 4, 2020: A new series of gravimetric blenders for larger-throughput applications precisely dispenses up to twelve materials of widely diverse types and can be configured to dose up to six major ingredients, including virgin polymer, regrind, and post-consumer resin (PCR). Maguire Products, Inc. is introducing the series worldwide and will highlight them at Chinaplas 2020 (Booth 5.2F21).

The new Maguire® Weigh Scale Blender (WSB) 1200 Series has a throughput range of 900 to 2,040 kg/hr (2,000 to 4,500 lb/hr) and is suitable for extrusion, high volume injection and blow molding, and central blending applications. The series is the latest addition to Maguire’s WSB product range, which already includes over 120 models with throughputs ranging from 40 to 5,500 kg/hr (90 to 12,125 lb/hr). Maguire has sold more than 58,000 WSBs since it introduced the gravimetric blender in 1989.

The 1200 Series blenders can dispense as many as twelve batch ingredients, from pellets, powders, and liquids to poorly flowing ingredients like regrind, flake, wood flour and talc filler. Each ingredient hopper has a dispensing device designed for a material in a specific form. Like the larger units in the WSB-2400 and WSB-3000 series, the new blenders can be outfitted with up to six large-component slide gates for dispensing major ingredients, along with any combination of large corner valves (11,000 g/sec), 4-inch vertical valves (2,000 g/sec), 2-inch vertical valves (400 g/sec), auger feeders, and liquid color pumps.

“By providing the same capability as the 2400 and 3000 Series units for dispensing up to six large-component ingredients, the WSB-1200 Series blenders enable processors working in a somewhat smaller throughput range to meet growing demand for products that incorporate regrind and PCR along with virgin resin,” said Frank Kavanagh, vice president of marketing and sales. “And like all Maguire blenders across the throughput range, the 1200 Series WSBs provide consistent accuracy of plus or minus 0.1% for every material dispensed into the weigh chamber, regardless of its form.”

All Maguire WSBs are covered by a 5 year warranty. 

Maguire Products, Inc., headquartered in Aston, Pennsylvania, U.S.A., is the world’s largest supplier of gravimetric blenders, liquid color pumps, and vacuum dryers and also manufactures loading systems, auger feeders, granulators and related equipment and software. Its customers include injection, blow, and rotational molders, extrusion processors, and compounders. Founded in 1977, Maguire operates six manufacturing facilities in Aston. The company maintains a network of distributors in the Americas and overseas and has six sales and service subsidiaries that stock, sell, and service auxiliary equipment systems from Maguire and its affiliate, Novatec, Inc.: Maguire Canada, Maguire Europe, Maguire Asia, Maguire China, Maguire IMEA, and Maguire Taiwan. Visit

Maguire Products, Inc., 11 Crozerville Road, Aston, PA 19014 USA. Tel: 1-610-459-4300. Maguire Canada, 299 Basaltic Road, Unit 1, Vaughan, Ontario L4K 4W8. Tel: 905-879-1100. Maguire Europe, Vanguard, Tame Park, Tamworth, Staffordshire B77 5DY United Kingdom. Tel: 44-1827-388-280. Maguire Asia, Maguire Products Asia Pte Ltd., 15 Changi North Street 1, #01-15, I-Lofts, Singapore 498765. Tel: 65-6848-7117. Maguire Asia (China), Maguire Products Shanghai Co., Ltd., 1203, Tower B, Eton Place, 555 Pu Dong Avenue, Shanghai 200120 China. Tel: 86-21-588-23410. Maguire IMEA FZCO (Middle East, India, Africa), LOB180706-6, Floor 7, JAFZA View 18, Jebel Ali Downtown, P.O. Box 17493, Dubai, UAE. Tel: 971-4-881-6700. Maguire Taiwan, No. 17, Sec. 1, Wenhua Road,Wuqi District, Taichung City 435, Taiwan (R.O.C.). Tel: +886-4-26581535.

Robert J. Martino
Martino Communications Inc.
Tel: 1-203-321-0787

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