Standards VALVE DESIGN STANDARD : BS 1873 TESTING STANDARD : BS EN 12266 – 1 FACE TO FACE : ASME B 16.10 END CONNECTION : Flanged End – ASME B 16.5, Butt Weld End – ASME B 16.25 PRESSURE – TEMPERATURE CHART : ASME B 16.34
Valve Operation HANDWHEEL
2” – 10” – Class 150, 300 2” – 6 ” – Class 600 2” – 4 ” – Class 900, 1500
GEAR OPERATOR
12” & Above – Class 150 & 300 8” & Above – Class 600 12” & Above – Class 900 & 1500