Double Sigma Arm mixer
Double sigma arm mixer for cream and batter processing
Double sigma arm mixer
Enclosed or hybrid open-frame batch mixer
The Shaffer double sigma arm mixer delivers precise, uniform mixing for dough, batter, creams, and inclusion-rich products. Its dual sigma agitators generate a controlled, high-shear motion, which ensures even ingredient distribution while maintaining consistent batch quality.
Designed in stainless steel, the mixer is available in enclosed or hybrid open frame designs, allowing for efficient operation, easy cleaning, and smooth integration with automated systems. With capacities ranging from 408 to 2,449 kg, it accommodates doughs, batters, granola blends, and cream-based fillings.
Highlights:
- Frame type options: Enclosed frame, hybrid open frame
- Agitator type: Double sigma arm
- Batch capacity: 408 to 2,449 kg
- Custom frame with enclosed or open frame design
- Sanitary, stainless steel construction
- Exclusive VerTech refrigeration jacket and bowl design for more durable bowl, shorter mix times, and cooler doughs
- Hydraulic bowl tilt for forward or two-way tilt
- Touch screen operator interface, PLC controls, and push buttons with universal labels
Ideal applications include:
- Cake, muffin, and wire-cut cookie dough
- Granola and nutrition bar blends
- Cream fillings, confectionery creams, and icings
- Pie dough and pretzel dough
Coperion also offers a range of horizontal dough mixers for food and bakery processing,
- Overview
- Range
- Features
- Options
- Gallery
The Double sigma arm mixer is designed for demanding applications that require uniform, high-shear mixing of doughs, batters, inclusions, and cream-based formulations. Its dual sigma agitators generate a controlled, back-and-forth motion that efficiently incorporates ingredients while maintaining consistent texture across every batch. Built for bakeries and processors focused on reliability and product consistency, the mixer supports both dense doughs and delicate inclusion mixes with ease.
Reliable, sanitary, and scalable
With batch capacities ranging from 408kg to 2,449 kg, the Double sigma arm mixer accommodates both mid-size and large-scale production needs. Optional enhancements, including load cells, refrigeration jackets, custom canopy inlet designs, and Clean-In-Place (CIP) systems that support seamless integration into automated processing lines.
All product-contact surfaces are stainless steel, and optional reverse bowl tilt provides improved access for ingredient addition and cleaning, helping processors maintain consistent sanitary performance.
Operator-focused design
Hydraulic forward or two-way bowl tilt options simplify discharge and washdown procedures, while customizable PLC controls, touch-screen interfaces, and universal push-button labels support intuitive operation. NEMA 4X enclosures, UL/cUL compliant controls, and BISSC/ANSI/USDA/CE compliance ensure a safe, production-ready design that meets global standards.
| Model | Capacity | Usable bowl volume | Rated bowl volume |
|---|---|---|---|
| DA100 | 408 kg (900 lb) | 577 L (20.4 cu ft) | 490 L (17.3 cu ft) |
| DA150 | 499 kg (1,100 lb) | 685 L (24.2 cu ft) | 582 L (20.6 cu ft) |
| DA200 | 680 kg (1,500 lb) | 923 L (32.6 cu ft) | 847 L (29.9 cu ft) |
| DA250 | 816 kg (1,800 lb) | 1,107 L (39.1 cu ft) | 1,016 L (35.9 cu ft) |
| DA300 | 953 kg (2,100 lb) | 1,353 L (47.8 cu ft) | 1,101 L (38.9 cu ft) |
| DA350 | 1,089 kg (2,400 lb) | 1,509 L (53.3 cu ft) | 1,228 L (43.4 cu ft) |
| DA400 | 1,225 kg (2,700 lb) | 1,727 L (61.0 cu ft) | 1,469 L (51.9 cu ft) |
| DA500 | 1,497 kg (3,300 lb) | 2,055 L (72.6 cu ft) | 1,748 L (61.7 cu ft) |
| DA650 | 1,996 kg (4,000 lb) | 2,688 L (94.9 cu ft) | 2,509 L (88.6 cu ft) |
| DA800 | 2,449 kg (5,400 lb) | 3,455 L (122.0 cu ft) | 3,020 L (106.7 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 and cUL compliant controls
- BISSC certified
- ANSI, USDA, and CE compliant
- Refrigeration jacket
- Custom canopy inlet configuration
- Custom electrical, operator interface, and PLC packages
- Load cells
- Dough trough or kibbler integration
- Clean-In-Place (CIP) system
Why choose the Shaffer double sigma arm mixer?
The Double sigma arm mixer is ideal for products with a variety of ingredient viscosities, and its triple-sweep agitator ensures thorough mixing and even distribution of inclusions like chocolate chips, nuts, and dried fruit. Designed for consistent quality in every batch, this mixer brings efficiency and reliability to industrial bakeries producing complex, inclusion-rich recipes.
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To learn more about the Double sigma arm mixer by Shaffer, please download our PDF documentation.
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