QTM3 is a one-way flow control valve, with non-return valve for reverse free flow, made in stackable version. There are versions both for meter-in control and for meter-out control.

The reversible versions (QTM3-G *) are equipped with an O-ring subplate and can be used for both meter-in or meter-out, depending on the way in which the valve is facing the OR subplate.

It is supplied with a socket hex adjustment screw.