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
