Further details can be found here.
Though it depends on the usage, stopping for a few tens of seconds should not cause the stop position to shift much, but holding the position for a long period of time is not possible.

(Refer to the FAQ about switching failure, which can be found here.)
For normally closed use: Plug the B port and pipe to the A port.
For normally open use: Plug the A port and pipe to the B port.
Note) Do not plug the exhaust ports (EA or EB); instead, mount a silencer.

The new VT307 series catalog can be found here.

The new VT307 series catalog can be found here.

The VT307, VT317, and VT325 series catalogs can be found here.

The old VQZ series catalog can be found here.

The VSA4□20, VSA4□30, and VSA4□40 series catalogs can be found here.

The VFS2000 and VFS1000 series catalogs can be found here.

The VT317 (VO317) series catalog can be found here.