Longshen Seal Manufacture (Wuhan) Co., Ltd.
Main products:Mechanical Seal,Shaft Seal,Automobile Seal,Pump Seal,Cartridge Seal
Contact Us
  • Contact Person : Mr. Liu Spring
  • Company Name : Longshen Seal Manufacture (Wuhan) Co., Ltd.
  • Tel : 0086-27-83497172
  • Fax : 0086-27-83497195
  • Address : Hubei,Wuhan,9# Dongfeng Industrial Zone,Changfeng Road 38, Wuhan City, P.R China
  • Country/Region : China
  • Zip : 430034

BOCK compressor for bus air conditioning

BOCK compressor for bus air conditioning
Product Detailed
BOCK FK40 Compressor for bus air condition: 1. HP:28bar 2. N: 500~3500rpm 3. HFC: R134a

BOCK FK40 compressor  for bus air conditioning:

Advantage:1. Compact structure, Low weight 

2. Innovated design, Long life service  

3. New technology, High efficiency

Character:1. Special pressure balance bypass prevent lube oil into inside, the efficiency much better.2. Patented infiltrated ceramic piston ring without gap at joint prolongs the service life.3. unitary body cast by Aluminum Alloy with optimum heat transfer




Discharge VolumeLube Volume/ModelRotation Speed(rpm)Pipe SizeWeightElectro Magnetic Clutch(accessory)
Discharge Pipe(mm)Air Struction Pipe(mm)



46502L/RL68500-3000283533voltage 24VPower 60W



FK-40/470N    FK-40/470K4662228
FK-40/390N    FK-40/390K3852228

Limits of applicationEvaporation temperature to min: -30°CCondensing temperature tc max: +70°CDischarge end temperature tv2  max: 140°CRotation speed n max.[rpm]:see SpecificationsRotation speed n min.[rpm]:see Specifications Operating overpressure HD(HP)PV2 max: 25 bar Operating overpressure ND(LP)PV1 max: 19 bar

Explanation:1. FK-40 Compressors can be operated in the range of the diagram above.2. No supplementary cooling is necessary for operation within the non-shaded area.3. Supplementary cooling is only necessary in the vertical shaded area when the suction gas superheat exceeds 20K.

4. The following applies if operation proves necessary within this range:

It is advisable to use a thermal protective thermostat(accessory).Only highly thermostable oils are to be usedIf capacity regulators are temperature may prove necessary.Individual setting necessary(the max. discharge end temperature of +140°C must not be exceeded).


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