Japan, Maeda Koki
Maeda Koki MK Type Water Signal

Made in Japan
Manufacturer: Maeda Machinery Research Institute Ltd.
Model: MK Type
Features
- You can see the flow at a glance
- This is a flow detector that checks the flow of fluid by the movement of a ball (or float) inside a transparent tube.
- The flow rate cannot be confirmed. The installation direction does not matter
- Since a spring is used inside, the orientation when installing can be freely set, such as upward, downward, or sideways.
Model list
Model | Dimensions (mm) | Standard specification flow rate (L/min) | |||
Connection port size | full length | Overall width | minimum | maximum | |
MK15-1TW | Rc1/8 | 50 | 15 | 0.1 | 1 |
MK25-1TW | Rc1/8 | 68 | twenty five | 0.6 | 6 |
MK25-2TW | Rc1/4 | 68 | twenty five | 0.6 | 6 |
MK25-3TW | Rc3/8 | 74 | twenty five | 0.6 | 6 |
MK30-2TW | Rc1/4 | 90 | 30 | 2 | 20 |
MK30-3TW | Rc3/8 | 94 | 30 | 2 | 20 |
MK30-4TW | Rc1/2 | 100 | 30 | 2 | 20 |
*Additional information about the model
- If the connection inlet/outlet has an R male thread, the model number is MK25-□TOW. Example: MK25-3TOW
- Inlet has an R male thread, the model number is MK25-□TOMW. Example: MK25-3TOMW
- If the connection outlet has an R male thread, the model number is MK25-□TMOW. Example: MK25-3TMOW
Standard Specifications
Specification | Details | Additional Information | |
---|---|---|---|
Fluid | Water | – | |
Flow | See above | Please contact us if you require a flow rate below or above the standard specification. | |
Connection | Rc female thread | Change to R male thread. Combination with R male thread is also possible. | |
Heatproof Temperature | Maximum 80℃ | – | |
Pressure Resistance | 1MPa | – | |
Material | Transparent Tube | Acrylic | – |
Fittings | C3604 (Brass) | SUS products are also available. | |
Spring | SUS304 | – | |
Nylon Ball | Nylon 66 | In some cases, cylindrical floats are used. | |
O-Ring | Nitrile Rubber | – |
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