PRESTO W93x Process system

Full cooling capacity in the low temperature range

W93 process systems offer users high cooling capacity for dynamic applications even in the lowest temperature ranges. They work with natural refrigerants and are also very energy efficient thanks to state-of-the-art technologies.

The highly dynamic temperature control systems PRESTO are designed for high-precision temperature control for a wide range of applications such as reactor vessels or material stress tests. Moreover, by using efficient components, the process systems can compensate exothermic and endothermic reactions exceptionally fast. Permanent internal monitoring and self-lubricating pumps ensure a long life-time. In addition, numerous interfaces offer many remote control possibilities across networks or for integration into higher-level control systems.

Performance data depends on the mains voltage in the country of use. Please select:

Country of use | Mains voltage | Plug | JULABO voltage version code
W93x
Order number including voltage version see refrigerant variants
Working temperature range -93 ... +250 °C
Temperature stability ±0.05 ... ±0.2 °C
Cooling capacity
Refrigerant variant N1 (Environmentally-friendly natural refrigerant)
Order number including voltage version 9421933.N1.17
Medium: Ethanol
°C 20 0 -20 -40 -60 -80 -90
kW 1 21 21 21 21 15 3.2 0.5
Refrigerant Information Refrigerant stage 1 Refrigerant stage 2
Refrigerant R1270 R170
Global Warming Potential 2 6
Filling weight 999 g 999 g
Carbon dioxide equivalent 0.001998 t 0.005994 t
Refrigerant variant S1
Order number including voltage version 9421933.S1.17
Medium: Ethanol
°C 20 0 -40 -60 -80
kW 1 18.5 18.5 17.5 11 2
Refrigerant Information Refrigerant stage 1 Refrigerant stage 2
Refrigerant R449A R23
Global Warming Potential 1397 14800
Filling weight g g
Carbon dioxide equivalent t t

1 Performance specifications measured in accordance with DIN 12876. Cooling capacities up to 20 °C measured with ethanol; over 20 °C with thermal oil unless otherwise specified. Performance specifications apply at an ambient temperature of 20 °C. Performance values may differ with other bath fluids.

Dimensions
(W × L × H)
36.6 x 54.3 x 75.6 in.
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Product Features

  • External Pt100 sensor connection
  • Alarm output
  • Second external Pt100 sensor connection (accessory)
  • Built-in 5.7’’ industrial color touchscreen
  • Cooling capacity up to 21.5 kW
  • Heating capacity up to 27 kW
  • Analog connections, RS485, Profibus DP (accessory)
  • Temperature stability ±0.05 ... ±0.2°C
  • Integrated gas warning sensor, electrically wired and calibrated
  • Intelligent warning and safety functions
  • Ambient temperature range +5 °C to +40 °C
  • Pump pressure up to 5.5 bar, max. flow rate 70 l/min

Technical data for PRESTO W93x

Dimensions and volumes
Dimensions
(W × L × H)
36.6 x 54.3 x 75.6 in.
Internal usable expansion volume 36 l
Minimal process volume 30 l
Active heat exchanger volume 11 l
Weight 2292.8 lbs
Pump connections M38x1.5 male
Cooling Water Connection G¾ in.
Temperature values
Working temperature range -93 ... +250 °C
Temperature stability ±0.05 ... ±0.2 °C
Setting the resolution of the temperature display 0.01 °C
Temperature display resolution 0.01 °C
Ambient temperature +5 ... +40 °C

Performance data depends on the mains voltage in the country of use. Please select:

Country of use | Mains voltage | Plug | JULABO voltage version code
Performance values
Cooling capacity
Refrigerant variant N1 (Environmentally-friendly natural refrigerant)
Order number including voltage version 9421933.N1.17
Medium: Ethanol
°C 20 0 -20 -40 -60 -80 -90
kW 1 21 21 21 21 15 3.2 0.5
Refrigerant Information Refrigerant stage 1 Refrigerant stage 2
Refrigerant R1270 R170
Global Warming Potential 2 6
Filling weight 999 g 999 g
Carbon dioxide equivalent 0.001998 t 0.005994 t
Refrigerant variant S1
Order number including voltage version 9421933.S1.17
Medium: Ethanol
°C 20 0 -40 -60 -80
kW 1 18.5 18.5 17.5 11 2
Refrigerant Information Refrigerant stage 1 Refrigerant stage 2
Refrigerant R449A R23
Global Warming Potential 1397 14800
Filling weight g g
Carbon dioxide equivalent t t

1 Performance specifications measured in accordance with DIN 12876. Cooling capacities up to 20 °C measured with ethanol; over 20 °C with thermal oil unless otherwise specified. Performance specifications apply at an ambient temperature of 20 °C. Performance values may differ with other bath fluids.

Power consumption 75 A
Cooling
Cooling of compressor 2-stage Water
Cooling water pressure max. 87 psi
Max. heat dissipated by unit into cooling water 53 kW

Recommended cooling water properties
to provide full cooling capacity according to catalog values
Cooling water temperature range 10 ... 15 °C
Cooling water difference pressure 29 ... 87 psi
Cooling water consumption 2 32 l/min

2 Cooling water consumption may vary outside recommended cooling water properties.


Permissible cooling water properties
Cooling water temperature range 5 ... 30 °C
Cooling water difference pressure 3 7.3 ... 87 psi

3 At cooling water temperatures of 25 °C and higher, the minimum differential pressure is 1 bar.

Other
Sound pressure level 78 dbA
Classification
according to DIN12876-1
Classification III (FL)
IP Code
according to IEC 60529
IP 20
Pump type Gear Pump (Magnetically coupled)
Electronics
Interfaces Alarm output / Ethernet / Modbus / Profibus optional / REG/EPROG optional / RS232 / RS485 optional / SD memory card / Standby-Input optional / USB
External pt100 sensor connection integrated
2nd external Pt100 sensor connection accessory
Integrated programmer 8x60 steps
Temperature control ICC
Absolute temperature calibration 3 Point Calibration
Temperature display 5.7" TFT Touchscreen
Temperature setting Touchscreen
Available voltage versions
9421933.N1.07 400V/3PNPE/50Hz (Without Plug, without cable) (R1270)
9421933.S1.07 400V/3PNPE/50Hz (Without Plug, without cable) (R449A)
9421933.N1.17 460V/PPE/60Hz (Without Plug, without cable) (R1270)
9421933.S1.17 460V/PPE/60Hz (Without Plug, without cable) (R449A)

Accessory for PRESTO W93x

Downloads for PRESTO W93x

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PRESTO W93x Benefits

Integrated gas detection sensor

For a high personal and process safety, the new W93 series is equipped with a gas detection sensor. The sensor is already electrically wired and calibrated upon delivery.

Space-saving footprint

All connections as well supply and exhaust air are located at the front or rear, no venting grids on the sides, units can be placed close to each other or the application

Services 24/7.

Around the clock availability. You can find suitable accessories, data sheets, manuals, case studies, and more at www.julabo.com.

Satisfied customers.

11 subsidiaries and more than 100 partners worldwide guarantee fast and qualified JULABO support.

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