3BM-1S type
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The 3BM-1S type electric valve is a compact electric on / off valve that takes advantage of the excellent characteristics of the ball valve, and the valve structure is a 3Way 2Port (L) switching valve.

Major features

  • The operating force is great.
  • You can check the valve switching status from the outside.
  • You can switch the valve manually.
  • The flow direction and mounting direction (indoor) are free.
  • The valve switching signal can be taken out.
  • It has a built-in thermal protector. (Nominal diameter 32 or more)

specification

Product code 3BM1S-F
Actuation On / Off
Nominal diameter 15-50 (1/2-2)
Applicable fluid Liquid / air / gas
Fluid temperature -10 to 100 ° C (cannot be frozen)
Applicable pressure 1.0MPa or less
Ambient temperature -10 to 50 ° C
Allowable leakage amount None (visual pressure gauge)
End connection JIS Rc screwPipe connection JIS B 0203. However, the length of the effective thread and the position of the reference diameter are our standards (nominal diameter 32 to 50).
Rated voltage AC100 / 110V 50 / 60Hz or AC200 / 220V 50 / 60Hz
Allowable voltage fluctuation range Rated voltage ± 5%
Insulation type E species
Time rating Half an hour
Insulation resistance 50MΩ or more
Overload protection Built-in thermal protector (nominal diameter 32 to 50)
Protective structure Rainproof type (using cabtire cable)For outdoor installation, avoid vertical piping installation and direct sunlight.
Manual mechanism With
Capacity / current switching time Rated capacity Nominal diameter 15-25: 22VA Nominal diameter 32-50: 50VA
Capacity / current switching time Rated current Nominal diameter 15 to 25: 0.22A (AC100V), 0.11A (AC200V) Nominal diameter 32 to 50: 0.50A (AC100V), 0.25A (AC200V)
Capacity / current switching time Start-up current Nominal diameter 15 to 25: 0.30A (AC100V), 0.15A (AC200V) Nominal diameter 32 to 50: 0.90A (AC100V), 0.45A (AC200V)
Capacity / current opening / closing time Opening / closing time Nominal diameter 15 to 25: Approximately 2 seconds Nominal diameter 32 to 50: Approximately 4 seconds
Open / close or switching confirmation contact Yes (with voltage) Contact capacity: AC125, 250V, 10A (equivalent to JIS C4505 V3)
Material body C3771
Material ball C3771 Nickel chrome plating
Material cover AC4C-T6

Download materials

Download materials

Common to all product symbols

3BM-1S Catalog

3BM-1S price list

3BM1S-F

3BM1S-F reference diagram

Frequently Asked Questions and Explanations

What is overload protection?

This prevents the motor from burning if the motor exceeds the maximum allowable temperature for some reason.

What is a spring return type? (There is a video in the answer details)

It is a mechanism that winds the spring at the same time as the valve opens when the power is turned on, and closes the valve by the force of the spring that winds up when there is a power failure. (In the case of valve open type when energized)

Do you make a spring return type three-way valve?

We do not manufacture spring return type three-way valves.

Inquiries about this product

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Notation on catalogs and websites

RD44N-F □

Contains characters that indicate pressure classification and options.

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