Female Iron Non Return Valve extension The pipe is classified for

The pipe is classified for maximum working pressure of 10bar for all the classes defined in the standard EN ISO 21003: Class 1-2 (hot water supply) - Class 4 (underfloor heating and low temperature radiators) - Class 5 (radiators)

Copper Press Fittings Technical Data Sheet

Brass Compression fitting should not be used for below ground applications

- MDPE - Blue

Female Iron Non Return Valve extension The pipe is classified forDESCRIPTION: A Non Return Valve allows liquid to flow in one direction only. The valve is only opened when there is a flow of water, thus if the flow stops or if there is a back flow of water the valve closes. The spring check non return valve can be used vertically, horizontally or in oblique angles; an arrow is stamped on the body to indicate the direction of flow. Valves are available with both female BSP threaded connections ranging in size from 1