Valves are manufactured in accordance with BS 5154 PN20 series B and are BSI Kitemark approved. Also suitable for use in class 125 imperial systems specifying valves to BS 1952 at rating: 250 Ibf /in² CWP: 125Ibf/ in² at 353°F. Solid wedge disc. Non- rising stem. Screwed in bonnet. Each valve individually tested to BS 5154 Connection = 3/4 in BSPT Maximum Working Pressure = 20 bar Handle Height from Center = 98mm Body Material = Bronze Disc Material = Bronze Connection Size = 3/4in Thread Standard or Connection Type = BSPT Female