Kees van der Westen Speedster
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The Speedster is a single-group machine with a dual boiler setup in stainless steel: a 3.5-liter steam boiler and a 2.1-liter saturated coffee boiler, each with its own electronic temperature controller. Coffee temperature is governed by a PID.
Pre-infusion runs through a two-phase, spring-loaded progressive cylinder that builds pressure gradually before reaching full extraction pressure of 9 bar; the mid-lever position also allows a manual pre-infusion phase on mains pressure alone, before the pump engages. A pressure gauge wired to the pre-infusion cylinder shows the actual pressure on the coffee bed, not pump pressure. An optional Idro-Matic, a second, hand-adjustable pre-infusion cylinder with its own knob, lets you set where the pressure build-up starts and ends. The steam wand is stainless steel; the optional flip-flop lever can be locked open or cracked gently for a single cup.
The machine needs to be connected to the water mains and to a trapped drain, near a water treatment system, and the rotary pump sits outside the machine with its own motor. During long idle periods, an Eco mode lowers boiler temperature to save energy. It's a machine for anyone who can dedicate a corner with water and drainage to it, and wants to control pre-infusion by hand.
Technical specifications
| Parameter | Value | Source |
|---|---|---|
| Weight | 45.0 kg (99.2 lb) | manufacturer website |
| Power supply | 220-240 V / 50-60 Hz | manufacturer website |
| Boiler architecture | Dual boiler | Declared by the brand |
| PID control | Yes | Declared by the brand |
| Brew pressure | 9 bar | Declared by the brand |
| Pump type | Rotary | Declared by the brand |
| Pre-infusion | Passive spring | Declared by the brand |
| 3-way solenoid valve | Yes | Declared by the brand |
| Group head type | Saturated group | Declared by the brand |
| Boiler material | Stainless steel | Declared by the brand |
| Steam wand | Manual steam wand | Declared by the brand |
| Plumbable | Yes | Declared by the brand |
| Pressure gauge | Yes | Declared by the brand |
Pros and cons
In favour
- Dual stainless-steel boiler system with independent temperature control for steam and coffee.
- Coffee temperature governed by a PID.
- Two-phase, spring-loaded pre-infusion cylinder.
- Pressure gauge wired to the pre-infusion cylinder: reads the actual pressure on the coffee bed, not pump pressure.
Worth knowing
- Requires a fixed water-mains connection and a dedicated trapped drain.
- The external pump, with its own motor, needs its own dedicated space beyond the machine. source
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Recipes for this machine
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Espresso
Seven grams, twenty-five seconds, twenty-five millilitres: Italian espresso has a written specification, and this is it.
- Dose
- 7 g
Ristretto
The same dose as an espresso, less water in the cup. No institutional source fixes its volume — so here you will only find what is documented.
- Dose
- 7 g
Cappuccino
25 ml of espresso and 100 ml of steamed milk, in a 150–160 ml cup. The cappuccino has a specification too.
- Dose
- 7 g
Caffè macchiato
An espresso and a stain of milk. How much milk, exactly? No source declares it — and we do not invent it.
- Dose
- 7 g
Caffè americano
An espresso lengthened with hot water. The amount of water is set by no standard: it changes from country to country and from bar to bar.
- Dose
- 7 g
Caffè shakerato
Double espresso, sugar syrup and ice in a shaker. It has no specification: it has a house recipe.
Le alternative a catalogo
Scelte dalla fascia d'uso e dall'ingombro dichiarati, non dal prezzo: i prezzi non li pubblichiamo.
Simpler, entry level
Same tier, different manufacturer



