Automatic Air Vent used to bischarge air pockets in the heating systme. Inlet pressure 10 Bar, working temp maximum 115 celciusa degrees. Body material Brass, float: Polypropylene....

Pressure Reducing Valve 1/ 2" - 3/ 4" BSP Thread Bronze material

Swing Check valve, bronze body, available size 1/ 2" - 4" , ISO 228 thread. maximum 110 celcius degree working temperature; soft seal disc