Shut-off valve (Acetal)

John Guest acetal shut-off valve

In-line manual valve to open or close flow in a tube via push-fit connections.

Available sizes

3/8" and 1/2", depending on variant.

Practical use

Allows you to isolate a section of the circuit for maintenance, component replacement or intervention without dismantling the entire installation.

Installation

Select the exact size, cut both tubes square, insert them fully to the stop and leave enough space to operate the valve.

Maintenance

Operate the valve periodically and check retention, leak-tightness and absence of mechanical stress.

Frequently asked questions

What sizes are available?
3/8" and 1/2".

Can it be used to isolate a line?
Yes.

Can I use 12 mm on the 1/2" variant?
They should not be considered equivalent.

What should I check if it is hard to close?
Do not force the control; depressurise and check the component.