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KGK-402M

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Yamada KGK-402M is a KGK-series metering valve, product number 686406, for repeatable dispensing of grease and high-viscosity oil in automated lubrication systems.
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Technical specifications for KGK-402M

  • Manufacturer:
    Yamada
  • Part Number:
    KGK-402M
  • Product Family:
    Yamada KGK Series
  • Product Type:
    Yamada KGK Series Metering Valve
  • Stock:
    1
  • Product Number:
    686406
  • Metering Range:
    0.2 to 1 mL
  • Capacity:
    1 mL
  • Accuracy:
    ±2%
  • Maximum Working Pressure:
    20 MPa
  • Pressure Resistance:
    30 MPa
  • Maximum Air Pressure:
    0.7 MPa
  • Recommended Air Pressure:
    0.4 to 0.5 MPa
  • Applicable Fluids:
    Grease and high-viscosity oil
  • Output / Air Ports:
    Rc 1/4
  • Dimension A:
    118.5 mm
  • Weight:
    2.5 kg / 5.51 lb
  • Weight:
    5.51 lbs (2.5 kg)
  • Tariff Code:
    Please confirm the destination before shipping.
  • Country of origin:
    Japan
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Applications Performance Environment Installation

Features:

  • Meters adjustable lubricant quantities from 0.2 to 1 mL for controlled dispensing cycles.
  • Handles grease and high-viscosity oil within the valve's specified material characteristics.
  • Withstands a maximum working material pressure of 20 MPa under rated operating conditions.
The KGK-402M ordering reference belongs to the Yamada KGK Series family and identifies the Yamada KGK Series Metering Valve.

Automated grease dispensing where each cycle requires 0.2 to 1 mL.

KGK-402M is Yamada product number 686406. It meters 0.2 to 1 mL per cycle with ±2% documented accuracy.

Availability of KGK-402M is subject to Apter Power inventory and sourcing confirmation.
Verified resources for Yamada KGK-402M: Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Automated grease dispensing where each cycle requires 0.2 to 1 mL.
  • High-viscosity oil metering in machinery lubrication or assembly processes.
  • Replacement of Yamada product 686406 in a correctly sized pneumatic circuit.
  • Adjust the metered delivery within the 0.2 to 1 mL range.
  • Use the ±2 percent accuracy value for process-capability assessment.
  • Match cycle demand to the valve's one-milliliter maximum capacity.
  • Operate the valve near room temperature while observing both material-pressure and control-air limits.
  • Keep lubricant pressure at or below the 20 MPa working rating throughout each dispensing cycle.
  • Supply control air within the recommended 0.4 to 0.5 MPa range whenever the application permits.
  • Connect the output and air circuits through the specified Rc 1/4 ports.
  • Confirm that NBR and polyurethane sealing materials suit the selected lubricant.
  • Prime and test the metering circuit before relying on production shot volume.
Description
KGK-402M is a Yamada KGK-series metering valve for controlled dispensing of grease and high-viscosity oil. Product number 686406 provides an adjustable metering range from 0.2 to 1 mL with a 1 mL maximum capacity.

The valve is specified for ±2% metering accuracy, 20 MPa maximum working pressure, and air operation up to 0.7 MPa. Yamada recommends an air-pressure range of 0.4 to 0.5 MPa.

Select the valve for the lubricant, required shot volume, supply pressure, seal materials, and port arrangement. Confirm the complete KGK-402M identity before replacing another KGK size.
Alternative Names
KGK-402M KGK 402M KGK402M Yamada KGK-402M KGK-402M 686406 Yamada 686406 Metering Valve Yamada KGK-400M Series Grease Metering Valve
Technical notes
KGK-402M is Yamada product number 686406. It meters 0.2 to 1 mL per cycle with ±2% documented accuracy.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the adjustable shot range of KGK-402M?
Yamada specifies a metering range from 0.2 to 1 mL.
Which Yamada product number belongs to this model?
KGK-402M is listed as product number 686406.
What metering accuracy is documented?
The official catalog states ±2% accuracy under the specified conditions.
Which fluids can the valve dispense?
It is intended for grease and high-viscosity oil.
What air pressure does Yamada recommend?
The recommended operating-air range is 0.4 to 0.5 MPa.
Which value limits the lubricant supply pressure?
The maximum working pressure is 20 MPa; the separate pressure-resistance value is 30 MPa.

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