Pumps liquid refrigerants with flanged standard motor.

GP 51

The type GP refrigerant pump is used when the conditions do not prescribe hermetic pumps. They can deliver up to 28m³/h or to 85m height. The GP is suitable for a large number of refrigerants and it comes with a service-friendly design using standard couplings. The standard coupling enables use of easy available regional standard flanged motors.

With its double shaft seal together with an oil barrier and a large oil-refill reservoir as well as a sight glass to check the oil level, it meets highest safety requirements, such as EN378. The double shaft seal is long-lasting when installed properly and is easy to replace.

Since the Type GP refrigerant pump was introduced in the 1970s it convinces customers with the robust design and fast spare part supply worldwide. The GP still remains the first choice for refrigerant pumps with flanged motor.

GP refrigerant pump cross-section
GP refrigerant pump capacity curve

Capacity data

open here



Delivery head* max. [m] Pump capacity* max. [m³/h] PNMAX [bar] Motor capacity [kW]
GP 41 50 Hz 400 V 25 3.4 16 1.1

60 Hz 460V 36 4.3
1.8
GP 42 50 Hz 400 V 48 3.6 16 2.2

60 Hz 460V 70 4.4
2.6
GP 51 50 Hz 400 V 31 16.8 16 5.5

60 Hz 460V 47 20
6.6
GP 52 50 Hz 400 V 65 16.8 16 5.5

60 Hz 460V --- ---
---
GP 82 50 Hz 400 V 56 24 16 7.5

60 Hz 460V 85 28
7.5
* 50 / 60 Hz at 1450 / 1740 1/min


Length [mm] Width [mm] Height [mm] Ø Suction connection [DN] Ø Pressure connection [DN] Weight** [kg]
GP 41 521 234 524 40 40 57
GP 42 560 234 524 40 40 64
GP 51 592 284 607 50 50 96
GP 52 666 284 607 50 50 151
GP 82 777 284 724 50 50 174

** with motor, KS + ERA


Accessories

  • GF counter flange
  • EA stop valve - suction and pressure side
  • ERA pressure-side stop/check valve
  • KS suction-side dirt filter

Are you interested in a GP refrigerant pump?

Just use our easy contact form.

We then select the perfect model for you.

Of course, you can select a variant for yourself from the GP capacity diagram and / or use our selection program “WITT Select.

GP refrigerant pump type GP 42
GP 42
GP refrigerant pump type GP 51 with EA valves
GP 51 with EA valves
GP refrigerant pump type GP 82 with EA valves and motor
GP 82 with EA valves and motor
GP refrigerant pump type GP 82 without motor
GP 82 without motor

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