WS-22 V type solenoid valve for vacuum [V type series] (for air)

It is the only solenoid valve in the Momotaro II series that can be used even in a vacuum.
Durability is improved compared to the conventional WS / WF-12V, 13V, 15V type series.
The materials used have cleared the regulation values of the RoHS Directive. (Nominal diameter 50 or less)
The inter-plane dimensions are the same as the old WS / WF-12V, 13V, 15V type series.

Major features

It is more than 3 times more durable than our conventional products. (Nominal diameter 50 or less)
It can be used from the vacuum area of 3.4 kPa ・ A. (Under the condition of inlet pressure ≥ outlet pressure)
Used for plastic molding, vacuum packaging machines, powder transportation, etc.
The coil exterior uses thermosetting resin that is resistant to heat. (Nominal diameter 50 or less)

specification

Product code	WS22V-F
type	Diaphragm type
Actuation	Energized open
Nominal diameter	10-50 (3 / 8-2)
Applicable fluid	airWhen used in a dry air pneumatic system with an oil-free compressor (turbo compressor or positive displacement compressor (rotary oil-free type)), rubber parts may deteriorate significantly in a short time (ozone cracks occur). ). Please contact us if you want to install it in such a place.
Fluid temperature	5-60 ℃
Applicable pressure	3.4kPa ・ A ～ 0.3MPa (Inlet side pressure ≧ Outlet side pressure)
Minimum differential pressure before and after the valve	0MPa
Allowable leakage amount	None (at 0.02 to 0.3 MPa visually with a pressure gauge)
Rated voltage	AC100 / 200V 50 / 60Hz AC110 / 220V 60Hz sharedPlease contact us for other special voltages. (Coil shape and specifications are different.)
Insulation type	Type B
Ambient temperature	5-60 ℃
Protective structure	Dustproof / splashproof / indoor useWS / WF-12V and 12CV types are dust-proof and drip-proof. (When using outdoors, use the TB-03 type terminal box together.With a terminal box, the voltage is dedicated, with a TB-03 type terminal box, it is a rainproof type, and with a TB-03C type terminal box, it is a splashproof type. (WS / WF-12V, 12CV type is rainproof type.) (For the terminal box, refer to page 366 of the general catalog.) )
End connection	JIS Rc screw
Mounting posture	Upright mounting with coil up on horizontal piping
Material body	CAC408
Material diaphragm	NBR

WS-23V and 23CV types have a built-in strainer (60 mesh). (We also manufacture 40, 80, and 100 mesh linings for the mesh.)
In the case of the Ministry of Land, Infrastructure, Transport and Tourism specifications, the strainer mesh is 80 mesh or more, so please use a combination of WS-22V type series and KY type strainer.
Note 4. For the structure and dimensions, refer to general-purpose models 320 to 324, 326, and 327.
The specifications and structure of WS / WF-12V and 12CV types are different.
Refer to page 366 for the lead wire connection method.

Download materials

Download materials	Common to all product symbols	WS-22V Catalog WS-22V Catalog WS-22V Price List WS-22V Price List WS-22V Instruction Manual WS-22V Instruction Manual

Frequently Asked Questions and Explanations

Is there any problem if the solenoid valve is used (energized) with the valve open for a long time?

The solenoid valve coil has a "continuous rating", so there is no problem even if it is used while it is energized.

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The coil of the solenoid valve is hot, is that okay? (There is a video in the answer details)

There is no problem even if the coil part is hot. Please check the video explaining the answer in detail.

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If the secondary side of the solenoid valve is a rising pipe, does it flow back?

The solenoid valve is closed by the weight of the valve body and the fluid pressure. Therefore, when there is no inlet pressure and a reverse pressure is applied, the valve opens and backflow occurs. In this case, install a check valve on the secondary side of the solenoid valve.

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