CROWN DUST VALVES 21PGVU291-80, nominal bore 1000 mm CROWN DUST VALVES 07PGVU291-80, nominal bore 225 mm DUST VALVES 09PGVU292-80, nominal bore 450 mm DUST VALVES 09PGVU291-80, nominal bore 250 mm CROWN DUST VALVES 05PGVU291-80, nominal bore 200 mm CROWN DUST VALVES 05PGVU292-80, nominal bore 350 mm DUST VALVES 25PGVU291-80, nominal bore 1200 mm DUST VALVES 19PGVU291-80, nominal bore 900 mm DUST VALVES 03PGVU291-80, nominal bore 150 mm DUST VALVES 07PGVU292-80, nominal bore 400 mm CROWN DUST VALVES 23PGVU291-80, nominal bore 1100 mm 11PGVU291-80 CROWN DUST VALVES, nominal bore 500 mm CROWN DUST VALVES K8.00.00, nominal bore DN900 CROWN DUST VALVES 29PGVU291-80, nominal bore 1400 mm CROWN DUST VALVES 27PGVU291-80, nominal bore 1300 mm CROWN DUST VALVES 01PGVU291-80, nominal bore 100 mm CROWN DUST VALVES 01PGVU292-80, nominal bore 300 mm CROWN DUST VALVES 17PGVU291-80, nominal bore 800 mm CROWN DUST VALVES K10.00.00, nominal bore DN1600