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Home / Products / CHEN YING Lubricators · Taiwan, China / Pressure-relief Grease Lubricators / Electric Timer-controlled Series
KGNB Pressure-relief Electric Grease Lubricator
KGNB Pressure-relief Electric Grease Lubricator

KGNB Pressure-relief Electric Grease Lubricator

Metered lubrication

Timer-controlled.


Inquiry

1. Operating and pause times are controlled by a timer. The standard pneumatic pressure-relief version requires an air supply of 4.5–8 kgf/cm²; an electric pressure-relief version is also available and does not require an air supply.

2. Use with a CFB volumetric grease distributor for metered delivery.

3. The electronic box has four indicators: ACT (action), ALM (alarm), RUN (lubrication) and INT (interval).

4. Includes a pressure gauge for checking operating pressure.

5. A forced lubrication button (F button) is provided. Do not hold it continuously for more than 3 minutes, to prevent motor overload.

6. Includes motor thermal protection. At 100°C, operation stops temporarily for approximately 5 minutes.

7. An optional 60kgf/cm² pressure switch detects damage to the lubrication lines.

8. An optional reed-switch oil-level detector can monitor level and send a signal automatically.

9. Fill the KGNB reservoir through the grease nipple to prevent air and foreign matter from entering.

10. KGNBP-07 must be used with a 700 cc bellows-type grease cartridge. Replace the empty cartridge without time-consuming refilling. Cartridges are sold separately; refer to the bellows-type grease cartridge ordering codes.

11. Refer to the diaphragm pressure switch specifications for contact information.

KGNB pneumatic pressure relief with optional pressure switch — Dimensional drawingKGNB electric pressure relief with optional pressure switch — Dimensional drawing


◆ Dimensions

ModelReservoir capacity.Pressure-relief method.Length L (mm)Width W (mm)Height H (mm)Mounting hole pitch F (mm)Weight (kg)
KGNB-351000ccPneumatic type.2371632961044.95
KGNB-502000cc2451633805.41
KGNB-351000ccElectric type.2421602965.39
KGNB-502000cc2441603805.84



◆ Specifications

Operation Time1–999 seconds.
Interval Time1–999 seconds; 1–999 minutes.
Motor Output Power60W80W
VoltageAC110VAC220V
Current1.8A1.0A
FrequencyCompatible with 50 Hz and 60 Hz
Maximum Discharge Rate30cc/min
Maximum Discharge Pressure100kgf/c㎡
Oil Outlet SizeØ6, Ø8, PT1/8
Reed-type Oil Level SensorOptional (NC contact).
Pressure SwitchOptional (NC contact).
Applicable Oil ViscosityNLGI 000-0


Note: Reed-type level sensor contacts — NO signals when lubricant is present; NC signals when lubricant is absent.


◆ Wiring Diagram

Fault OutputGroundPower Supply
NO(A)NC(B)COMGND(P.E)POWER
⊕⊕⊕⊕⊕⊕



◆ Ordering Code

ModelReservoir capacity.Operating Cycle (Operation × Interval)VoltageOil Outlet SizePressure-relief method.Special Requirements
KGNB352C50※

351000cc1Seconds × SecondsAAC110V1Ø60Pneumatic type.PCAdditional pressure switch, NC contact

502000cc2Seconds × MinutesCAC220V3Ø6 (with pressure gauge)1Electric type.RCAdditional reed-type oil level sensor, NC contact







4Ø8










5Ø8 (with pressure gauge)










6PT1/8










7PT1/8 (with pressure gauge)



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