Technical data
FKX50/980 N
| Application | Refrigeration & AC |
| Compressor refrigeration capacity | 42.90 kW |
| Drive power | 12.60 kW |
| Torque | 83.10 Nm |
| Mass flow | 0.300 kg/s |
at following operating condition:
| Refrigerant | R134a |
| Reference temperature | Dew point |
| Evaporating temperature | 5.0 °C |
| Condensing temperature | 50.0 °C |
| Speed | 1450 1/min |
| Suction gas temperature | 20 °C |
| Subcooling (outside cond.) | 0 K |
| Number of cylinders / Bore / Stroke | 6 / 65 mm / 49 mm |
| Swept volume | 976 cm³ |
| Displacement (1450/3000 ¹/min) | 84,90 / 175,60 m³/h |
| Mass moment of inertia | 0,0056 kgm² |
| Weight | 41 kg |
| Permissible range of rotation speeds 1) | 500 - 3000 ¹/min |
| Max. permissible overpressure (g) (LP/HP) 2) | 19 / 28 bar |
| Connection suction line SV | 2 x 35 mm - 2 x 1 3/8 " |
| Connection discharge line DV | 35 mm - 1 3/8 " |
| Lubrication | Oil pump |
| Oil type R134a, R404A, R407A/C/F, R448A, R449A, R450A, R513A | BOCKlub E55 |
| Oil type R22 | BOCKlub A46 |
| Oil charge | 2,5 Ltr. |
| Dimensions
Length / Width / Height | 430 / 370 / 335 mm |
Scope of supply
Open piston
compressor in a light alumininium construction,
with suction and discharge
valves
Oil pump
Six cylinder, cylinder arrangement in W
Seat front bearing
flange
Integrated oil collecting system for the shaft seal with
leak oil drain hose
Fastening possibility for electromagnetic clutch
N Design
Oil charge:
FK: BOCKlub A46
FKX:
BOCKlub E55
Two sight
glasses
Pressure relief valve
Inert gas charge
Accessories
Capacity regulator 24 V DC, IP65
1-2 capacity regulator
= 66/33% residual capacity
Electromagnetic clutch 24 V DC LA 26, power consumption 62
W 3)
Flywheel:
Outer diameter: 210 [mm]
V-belt profile: SPA DIN 7753
Number of grooves: 3
Weight: 11.6 [kg] 3)
Oil sump heater 24 V
DC, 80 W
Thermal protection thermostat (bimetal tracer)
Intermediate flange for changing the position of the
shut-off valves.
Oval flange, height 5 / 12 / 15 /
25 / 27 / 34 / 46 / 57,5 / 62 / 71 / 75
or 95 mm.
Heights are partially subject to restrictions regarding valve
type and orientation. 4)
Other voltages / designs on request
Notes
| 1) | Max. rotation speed 3500 ¹/min |
| 2) | LP = Low
pressure
HP = High pressure |
| 3) | Enclosure |
| 4) | Other designs on request |