● The Idrostop anti-return valve is CE marked in compliance with the UNI EN 13564-1 standard

● Equipped with a special PVC anti-rat blade

● The valve must be installed directly on the drain pipe

● Place the valve inside a well to facilitate inspection and maintenance

● Respect the direction of flow indicated on the cover by installing the socket upstream

● The body of the valve must be flat in the direction perpendicular to the flow and with a slope maximum of 2.5°

● The pipes and fittings that can be used are those complying with European standards and it is recommended that the normal outlet dimensions are not smaller than the inlet ones

● Inspection of the device should be carried out at least twice a year via the control screw cap, maintenance for restoring the moving part by disassembling, cleaning and replacing parts should be performed by experienced personnel