Select Series Single Sigma Arm mixer
Single sigma mixer for bakery and food processing
Single sigma mixer – Select series
For stiff dough & biscuit mixing
The Shaffer Select series single sigma arm mixer is built for consistent, high-performance mixing of stiff, dense, or sticky doughs. Designed with a hygienic stainless-steel construction and available in open or enclosed frame configurations, this mixer delivers uniform results while remaining a cost-effective option for bakeries and food processors who do not need the advanced features of larger systems.
Highlights:
- Frame type options – Hybrid open frame
- Agitator type – Single sigma arm
- Batch capacity – 408 kg to 726 kg
- Custom frame – Enclosed or open-frame design
- Sanitary construction – Stainless steel product zone
- Refrigeration – Exclusive VerTech® jacket and bowl for stronger bowl, shorter mix times, and cooler doughs
- Hydraulic bowl tilt – Forward or two-way tilt
- Operator interface – Touch screen with PLC controls and universal push buttons
Ideal applications include:
- Biscuit, rotary-moulded cookie, and cracker dough
- Corn masa, tostada, and tortilla dough
- Stiff doughs and specialty blends for value-added bakery items
- Pet treat ingredient mixing
Coperion also offers a range of horizontal dough mixers for food and bakery processing,
- Overview
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The Shaffer Select series single sigma arm mixer is designed for applications requiring thorough, consistent mixing of stiff or sticky doughs, including biscuit, cracker, rotary-moulded cookie, masa, and specialty formulations.
Reliable, hygienic, and adaptable
The Select series single sigma arm mixer handles small to mid-size batch capacities (408 kg to 726 kg) with ease, making it ideal for bakeries and food processors that require consistent results. In addition, its stainless-steel construction ensures hygienic operation, while the open or enclosed frame options provide flexibility to suit different production layouts.
Operator-focused design
Hydraulic forward or two-way bowl tilt options improve discharge and cleanability. Touch-screen operator interfaces, PLC controls, and universal push-button labels make operation intuitive, while NEMA 4X enclosures, UL/cUL compliant controls, and BISSC/ANSI/USDA/CE certification ensure a safe, production-ready design suitable for global standards.
| Model | Capacity | Usable bowl volume | Rated bowl volume |
|---|---|---|---|
| SA04 | 408 kg (900 lb) | 705 L (25.2 cu ft) | 583 L (20.6 cu ft) |
| SA05 | 544 kg (1,200 lb) | 849 L (30.0 cu ft) | 698 L (24.5 cu ft) |
| SA06 | 726 kg (1,600 lb) | 1,047 L (37.0 cu ft) | 858 L (30.3 cu ft) |
- Metal detectable, positive pressure bowl seals
- NEMA 4X water-tight enclosures where applicable
- Rotary face agitator shaft seals (U.S. Patent No. 10,174,842)
- UL, cUL compliant controls
- BISSC certified
- ANSI, USDA, and CE compliant
- Refrigerated Agitator (U.S. Patent No. 9,295,956)
- Refrigerated Breaker Bar
- Y-T Asymmetrical (Stant Bar) Agitator
- Custom electrical, operator Interface and PLC Packages
- Load Cells
- Dough Trough, Pump or Chunker integration
- Clean-in-Place System
Why choose the Shaffer single sigma arm mixer?
Engineered for modern bakeries, the Select series single sigma arm mixer is a reliable solution for producers needing precise mixing performance for stiff or sticky doughs. Features like hydraulic bowl tilt, optional refrigeration, and seamless line integration help maximize efficiency, reduce downtime, and maintain consistent product quality.
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To learn more about the Select series single sigma arm mixer by Shaffer, please download our PDF documentation.
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