Hydraulic Accessories | ASK CORPORATION: Hydraulic Accessories and Measuring Instruments

Hydraulic Accessories
Switching valve

A substantial reduction of hydraulic unit costs!

Features

The pressure gauge switching valve has been developed to measure circuit pressure at a maximum of one to six positions with one pressure gauge.
The number of pressure gauges to be used has been reduced to only one. This means a substantial cutdown of your pressure gauge costs and machining costs for pressure gauge panel installation hole.
This is a rotary switching valve. Just set the arrow mark of the hand wheel to the circuit number, and you can measure the pressure.
Except during measurement, set the hand wheel to ALL CLOSE position. Then the internal residual pressure of the pressure gauge is discharged into the drain port. The pointer of the pressure gauge indicates "0" (zero) at all times except when pressure is measured. This improves the accuracy and durability of the pressure gauge.

Type

Type	No. of measuring ports	Connection screw diameter	Applicable fluid
SV-318	3 ports	Rc1/8	General petroleum based hydraulic oil
SV-314	3 ports	Rc1/4
SV-618	6 ports	Rc1/8
SV-614	6 ports	Rc1/4
F-SV-318	3 ports	Rc1/8	Phosphate hydraulic oil
F-SV-314	3 ports	Rc1/4
F-SV-618	6 ports	Rc1/8
F-SV-614	6 ports	Rc1/4

Example of use

Specifications

Maximum pressure used

21MPa

Proof pressure

38MPa

Installation method

Panel installation type

Applicable fluid

General petroleum based hydraulic oil
(For Phosphate hydraulic oil or Water and glycol based hydraulic oil,
please contact us.)

Amount of leak from drain port

Permissible back pressure
from drain port

1.5MPa or less

Weight

1400g

Caution of use

Pipes must be connected to ports of the switching valve so that pressure is applied uniformly to all ports.
The seal of this valve is designed in a metal seal structure so that clearance between the outer diameter of the spool and inner diameter of the main unit is about 10 microns. If dust becomes attached, the hand wheel may be difficult to rotate or may not move at all. Take care not to allow hydraulic oil to be contaminated.
When flushing the pipe, take care not to allow contaminated flushing oil to enter the valve.
Perform knob switching at a regular interval.
Raise the drain pipe once to a position higher than the valve unit, then connect the pipe to the drain port. This step prevents hydraulic locking.
If an internal pressure is retained within the drain port, the valve handle may fall out. Make sure that the drain port is connected to the drain pipe.

Drawing data download

Product name	Type No.	Download
Glycerin pressure gauge switching valve 3ports	SVPG-318,314	PDF
Glycerin pressure gauge switching valve 3ports	SVPG-618,614	PDF
Pressure gauge switching valve　3ports	SV-318,314	PDF
Pressure gauge switching valve　6ports	SV-618,614	PDF

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