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Hi there, I'm Jarvis! I see you're looking at the MasterMix Spiral Dough Mixer 20 Litre in White SM20. How can I help you with the technical specs or suitability for your business today?

Jarvis is an AI assistant and may occasionally provide incorrect details. To ensure your equipment fits and functions perfectly, we recommend verifying all critical specifications-including dimensions, power requirements, and compatibility-with our expert sales team prior to purchase.For orders or stock, call 0333 355 0535

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MasterMix In Stock

MasterMix Spiral Dough Mixer 20 Litre in White SM20

SKU: SM20
£449.99 / exc vat
£539.99/ inc vat
£637.99 / exc vat
£765.59/ inc vat
  • Large 20 Litre Bowl
  • 8kg Dry Flour Capacity
  • Spiral Hook & Rotating Bowl
  • Single-Speed Motor

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Features Overview Specifications Case Study Reviews Installation Buying Guide FAQ

Product Overview

Here’s a real workhorse for any kitchen serious about its dough. The MasterMix SM20 is a powerful, no-nonsense 20 litre spiral dough mixer designed to take the strain out of producing consistently brilliant bread, pizza bases, and  pastries. It’s built with one goal in mind: to perfectly knead large batches of dough day in, day out, without skipping a beat.

This machine is the perfect partner for bustling pizzerias, artisan bakeries, and  high-volume restaurants that need reliability they can count on. With a hefty 20-litre bowl that handles up to 8kg of dry flour, it powers through your prep, freeing up your team for more creative tasks. Its simple, robust design means less can go wrong, making it a sound investment for any professional setup.

Featuring essential safety guards, a single-speed motor for foolproof consistency, and  a durable white finish, the MasterMix SM20 combines performance with peace of mind. If you’re looking to scale up your dough production with a machine that just gets the job done, this is the one for you.

Key Features and  Benefits

  • Large 20 Litre Bowl: Easily handle big batches, saving you precious time.
  • 8kg Dry Flour Capacity: Perfect for producing significant quantities of dough at once.
  • Spiral Hook & Rotating Bowl: Gently kneads dough for perfect gluten development without overheating.
  • Single-Speed Motor: Guarantees consistent mixing results for your recipes every time.
  • Easy-Access Front Controls: Makes operation incredibly simple and  straightforward for any staff member.
  • Integrated Bowl Guard Switch: A crucial safety feature that prevents operation when open.
  • Emergency Stop Button: Offers immediate shutdown for ultimate user safety and  peace of mind.
  • Standard 13 Amp Plug: No specialist wiring needed, just plug it in and  go.

Technical Specifications

  • Brand: MasterMix
  • SKU: SM20
  • Dimensions: 853(H) x 675(W) x 427(D) mm
  • Capacity: 20 Litres / 8kg Max. Dry Flour
  • Net Weight: 85kg
  • Power Supply: 13 amp plug fitted
  • Power Type: Electric - 2.2kW
  • Speed: Single Speed (220rpm)
  • Material: Durable white painted finish
  • Bowl Type: Fixed (non-removable)

Expert Review and  Insights

The MasterMix SM20 is a fantastic example of function over fuss. It's not loaded with bells and  whistles, but its powerful motor and  genuine spiral action deliver the kind of kneading that’s essential for a top-tier pizza base. For any pizzeria or bakery needing a reliable dough workhorse, this is a solid, dependable choice that won’t let you down during a busy service.

Marco Romano – Pizza Equipment Expert View Profile →

  • Pro: The spiral action is incredibly effective on stiff, low-hydration pizza doughs.
  • Con: Its fixed bowl design makes scooping out dough a bit more labour-intensive.

Case Study: Real Business, Real Results

The Corner Slice, a popular pizzeria in Leeds, found their old planetary mixer was struggling to keep up with weekend demand and  often overheated the dough. They upgraded to the MasterMix SM20 dough mixer to improve both speed and  quality.

"We needed a machine that could handle a stiff dough mix repeatedly without struggling. The MasterMix just powers through it, and  the dough quality is so much better. It's been a fantastic addition to our kitchen."

Robert Hughes – Owner, The Corner Slice

The result? They have successfully increased their dough output by over 40% during peak hours, ensuring they never run out on a busy Saturday night.

Installation and  Maintenance Guide

Setting It Up

  • Ensure the mixer is on a solid, level, and  non-slip floor to prevent vibration.
  • Position it near a standard 13-amp socket, avoiding the use of extension cords.
  • Before the first use, thoroughly wipe the bowl, hook, and  guard with a food-safe sanitiser.
  • Always test the emergency stop button and  bowl guard mechanism before loading any ingredients.

Keeping It Going

  • Always disconnect the mixer from the power supply before starting any cleaning.
  • After each use, use a bowl scraper and  a damp cloth to remove all dough residue.
  • Wipe down the exterior body with a soft cloth; never use a jet wash or abrasive scourers.
  • Regularly check that the bowl guard moves freely and  activates the safety switch correctly.

Buying Guide: Choosing the Right Dough Mixer

Not sure which mixer is the right fit for your kitchen? Here are a few key things to consider to make the perfect choice.

Check Flour Capacity, Not Just Bowl Size

The 'max dry flour' capacity is the most important number. It tells you the true working load, whereas bowl litreage can be misleading.

Spiral vs. Planetary

Spiral mixers are specialists for bread and  pizza dough. If you also need to whip cream or make batters, a more versatile (but less specialised) planetary mixer might be better.

Prioritise Safety Features

A fully-interlocked bowl guard and  an easy-to-reach emergency stop are non-negotiable features for safety and  compliance in a professional kitchen.

Fixed or Removable Bowl?

Fixed bowls are stronger and  standard on heavy-duty mixers. Removable bowls make cleaning and  unloading dough easier but are more common on smaller models.

Consider Your Power Supply

This model uses a standard 13-amp plug, making it easy to install anywhere. Always check if a machine needs a single-phase or 3-phase supply before you buy.

See all Dough Mixers & Food Mixers

Frequently Asked Questions

Q: What type of dough is this mixer best for?

A: It's specifically designed for bread and  pizza doughs. Its powerful spiral action excels at developing gluten in lower-hydration mixes.

Q: Is the bowl removable?

A: No, the MasterMix SM20 features a fixed bowl. This design adds to its strength and  stability, especially when handling heavy dough loads.

Q: How much finished dough can I make from 8kg of flour?

A: This depends on your recipe's hydration, but typically 8kg of dry flour will yield between 12kg and  14kg of finished dough.

Q: Does it have multiple speeds?

A: No, this is a single-speed model. This ensures maximum torque and  consistency, which is ideal for dedicated bread and  pizza production.

Q: Can I mix cake batter or meringue in this?

A: This mixer is not recommended for light batters or whipping. Its action is designed for kneading, not aerating.

Q: Does this require special electrical installation?

A: Not at all. It comes fitted with a standard UK 13-amp plug, so you can plug it in and  start mixing immediately.

Q: How does the safety guard work?

A: The mixer will not start or run unless the metal bowl guard is fully lowered and  in place, protecting the user at all times.

Q: Is the white finish difficult to keep clean?

A: The durable painted finish is smooth and  easy to wipe down with a damp cloth, making daily cleaning straightforward.

What Customers Are Saying

"An absolute beast of a machine. It's simple, powerful, and  does exactly what you need it to do. Our bakery's new best friend."

Alice Dyer – Bakery Owner, Norwich

"Great value and  very powerful. The fixed bowl is the only minor drawback, but for the consistency it gives our pizza dough, it's well worth it."

Giovanni Costa – Pizzeria, Cardiff

"Solid bit of kit that feels like it will last forever. We plug it in, load it up, and  it produces perfect dough every single time. Can't ask for more."

Sam Jones – Pub Kitchen, Liverpool

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The MasterMix Promise: Built to Bake, Day After Day

In a world of complex gadgets, there’s something reassuring about a machine like the MasterMix SM20 dough mixer. It's built on a philosophy of robust simplicity. This isn't just about the initial purchase; it's about the long-term value it brings to your business. The straightforward single-speed motor and  fixed-bowl construction mean there are fewer components to fail, leading to significantly less downtime and  fewer costly repair bills over the machine's long lifespan. This is the kind of equipment that becomes a trusted part of your daily operations—a reliable workhorse that you can switch on and  depend upon, service after service. For any business where consistency is key, from a local bakery to a national pizza chain, investing in this level of durability is an investment in your own peace of mind and  operational stability.

Explore more from MasterMix

Why a Spiral Hook is Kinder to Your Dough

Ever wondered why a commercial spiral dough mixer is so prized by bakers? It's all down to the unique mixing action. Unlike a planetary mixer that just spins a hook around a static bowl, a spiral mixer has two movements: the spiral hook turns, while the bowl rotates in the opposite direction.

Think of it like kneading by hand on a countertop. Your main hand (the hook) does the folding and  stretching, while your other hand (the bowl) constantly turns the dough to ensure every part gets worked evenly. This gentle, coordinated action develops the gluten strands perfectly without generating excess heat, which can ruin a good ferment. The result is a silky, perfectly developed dough that’s strong and  elastic—the ideal foundation for artisan bread and  authentic pizza.

Who Should Buy This?

  • Independent Pizzerias: Ideal for consistently producing perfect, chewy pizza dough for hundreds of bases a week.
  • Artisan Bakeries: A reliable powerhouse for crafting daily batches of sourdough, focaccia, and  other signature breads.
  • Busy Restaurant Kitchens: An essential tool for making fresh naan, flatbreads, or pasta dough in-house efficiently.
  • Patisseries & Cake Shops: Perfect for handling larger, enriched doughs for brioche, doughnuts, and  sweet buns with ease.
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