Cast iron gate valves

The Herz cast iron gate valve is made to BS 5150 and BS EN 1171. It is available in a range of sizes: 50, 65, 80, 100, 125, 150, 200, 250 and 300mm. Respective weights include: 19, 22, 30, 39, 56, 63, 116, 150 and 215kg. It has a pressure/temperature rating of 16 bar at -10 to 120°C, or 11 bar at 230°C. Face-to-face dimensions are to BS 5150 and