,

Maeda Koki MKCM Type Oil Signal

Made in Japan
Manufacturer: Maeda Machinery Research Institute Ltd.
Model: MKCM Type

Features

  • Flow switch
  • Detects the flow of fluid and turns the switch ON or OFF at the specified flow rate.
  • *The switch is fixed (the setting cannot be changed later).   A flow detector that checks the flow of fluid by the movement of a float inside a transparent tube that
    allows you to see the flow of oil at a glance . Comes with a protective cover.
  • The metal protective cover reduces  the possibility of damage from external impacts . No need to worry about the installation direction . A spring is used inside, so the installation position  can be freely adjusted, such as upward, downward, or sideways.

Model list

ModelDimensions (mm) [The overall width is the casting surface, so there may be individual differences in dimensions]Flow rate (L/min)
Connection port sizeFull lengthOverall widthDepthMinimum inner diameter φmmSpecified range of operating flow rateMaximum
MKCM20-1TL-OFFRc1/88030226.50.005 (5cc) to 25
MKCM20-1TL-ON
MKCM20-2TL-OFFRc1/48030226.50.005 (5cc) to 25
MKCM20-2TL-ON
MKCM30-4TL-OFFRc1/211044329.50.05 (50cc) to 510
MKCM30-4TL-ON
MKCM35-4TL-OFFRc1/2124494413.51-1025
MKCM35-4TL-ON
MKCM45-6TL-OFFRc3/4142625018.03–1550
MKCM45-6TL-ON
MKCM45-8TL-OFFRc1142625018.03–1550
MKCM45-8TL-ON

MKCM Type MKCM Type

Specifications

fluid
oil
Operating Flow Rate
Please specify a flow rate within the specified range of operating flow rates above.
(If possible, specify a flow rate value that is 1/3 or less of the minimum operating flow rate.)
connection
Rc female thread
Change to R male thread.
Combination with R male thread is also possible.
Heatproof temperature
Maximum 60°C
Heat-resistant specifications (maximum 100°C) are also available.
Pressure resistance
1MPa
Pressure-resistant specifications (maximum 5MPa) are also available.
Maximum Operating Voltage
DC, AC 300V
Maximum current used
DC, AC 0.5A
Contact Capacity
50VA
Material
Transparent tube
acrylic
Heat-resistant and pressure-resistant products are made of brass tube (C3604).
Heat-resistant and pressure-resistant products have a float that cannot be visually inspected.
Protective cover
BC (gunmetal)
Aluminum versions are also available.
Fittings
C3604 (Brass)
SUS products are also available.
spring
SUS304
Magnet included
float
Aluminum
O-ring
Nitrile Rubber
Heat and pressure resistant specifications are made of fluororubber.
Reed switch
Commercial goods
Lead wire
(standard 200mm)
Commercial goods
You can also specify the length of the lead wire and
change to a cab-tire cord.

Precautions when using flow switches

1. Precautions regarding magnetic fields

  • Reed switches are magnetic switches, so use them in a place where they will not be affected by magnetic fields.
  • If there is a magnetic material such as iron near the reed switch, it may cause it to malfunction.

2. Electrical wiring precautions

  • Be careful when wiring the flow switch to prevent overcurrent from flowing through the reed switch due to poor earth wiring etc.
  • Please use the flow switch as an alarm detector whenever possible.
    If you use it in conjunction with other electrical equipment, please take into consideration the effects of malfunction.
  • The lifespan of the reed switch will be extended if the operating voltage and current are kept as low as possible.
    (Normally, the switch can be operated approximately 1 million times under conditions of 100V 0.5A.)

3. Caution regarding switch operation due to changes in oil temperature and viscosity

  • If the temperature or viscosity of the oil changes, the switch may not operate at the set flow rate or the switch operating flow rate
    may change.

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