💧 ESPA CKE2 Pressure Booster Set: two variable-speed pumps
The ESPA CKE2 is an automatic variable-speed pressure booster set for supplying clean water for domestic, industrial, agricultural and garden use. It has two pumps, each with its own Speedrive V2 variable speed drive, and automatically adjusts the speed to maintain the constant pressure and flow rate required by the home, building or installation at any given time. The operating pressure is adjustable.
🧰 Equipment Included
- ✔ Pumps: 2, from the Multi (vertical) or Prisma 35 (horizontal) series
- ✔ Variable speed drives: 2 Speedrive V2 units, one per pump
- ✔ Manifolds: discharge; suction also included on Prisma 35 models
- ✔ Panel: control and operation panel
- ✔ Accessories: valves, check valves, connections and metal base
- ✔ Tank: 20 l hydropneumatic tank
- ✔ Transducers: dual pressure transducer
🔩 Materials
- ✔ Pump body and impellers: AISI 304 stainless steel
- ✔ Shaft: AISI 420
- ✔ Diffusers: technopolymer
- ✔ Suction and discharge: cast iron with cataphoresis treatment
- ✔ Manifolds: AISI 304 stainless steel
- ✔ Valves and connections: brass
⚙️ Motor
- ✔ Motor: 2-pole asynchronous, IPX5, class F insulation, continuous duty
🛡️ Functions and Protections
- ✔ Water shortage: dry-running shutdown, with automatic reset
- ✔ Safety transducer: keeps the unit running if the main one fails
- ✔ Electrical: overcurrent and short-circuit protection, supply voltage and internal overtemperature protection, with automatic reset
- ✔ Motor: earth leakage and phase error detection
📋 Operating Limits
- ✔ Temperature: maximum water temperature 40 °C
📊 Technical Specifications by Model
| Model | V | Max. head m | Max. flow rate m³/h | P2 kW | Speedrive V2 | Ø discharge manifold | kg |
|---|---|---|---|---|---|---|---|
| CKE2 Multi 25-4 | 1x230V | 59 | 10 | 0,75 | M22 | 2" | 56 |
| CKE2 Multi 25-4 | 3x400V | 59 | 10 | 0,75 | T22 | 2" | 56 |
| CKE2 Multi 25-5 | 1x230V | 74 | 10 | 0,92 | M22 | 2" | 57 |
| CKE2 Multi 25-5 | 3x400V | 74 | 10 | 0,92 | T22 | 2" | 57 |
| CKE2 Multi 35-4 | 1x230V | 55 | 21 | 1,1 | M22 | 2" | 66 |
| CKE2 Multi 35-4 | 3x400V | 55 | 21 | 1,1 | T22 | 2" | 66 |
| CKE2 Multi 35-5 | 1x230V | 67 | 21 | 1,5 | M22 | 2" | 72 |
| CKE2 Multi 35-5 | 3x400V | 67 | 21 | 1,5 | T22 | 2" | 72 |
| CKE2 Multi 35-6 | 3x400V | 83 | 21 | 2,2 | T22 | 2" | 73 |
| CKE2 Multi 35-8 | 3x400V | 110 | 21 | 3 | T55 | 2" | 87 |
| CKE2 Multi 35-10 | 3x400V | 138 | 21 | 4 | T55 | 2" | 106 |
| CKE2 Multi 55-4 | 3x400V | 51 | 36 | 2,2 | T22 | 3" | 79 |
| CKE2 Multi 55-6 | 3x400V | 79 | 36 | 3 | T55 | 3" | 97 |
| CKE2 Multi 55-7 | 3x400V | 93 | 36 | 4 | T55 | 3" | 106 |
| CKE2 Prisma 35-6 | 1x230V | 85 | 18 | 2,2 | M22 | 2" | 80 |
| CKE2 Prisma 35-6 | 3x400V | 85 | 18 | 2,2 | T22 | 2" | 80 |
P2 is the power of each pump. For the Multi models, the suction manifold is a separate accessory.