Dome valves aid reliability at Volvo
Sweden-based Volvo Powertrain, one of the world's leading manufacturers of heavy duty diesel engines, has purchased dome valves from Clyde Materials Handling.
Sweden-based Volvo Powertrain, one of the world's leading manufacturers of heavy duty diesel engines, has purchased dome valves from Clyde Materials Handling.
Volvo Powertrain supplies the entire Volvo Group with driveline components such as diesel engines and transmissions.
The company originally purchased dome valves in 1998 and, after experiencing a reduction in downtime during its use of the dome valve, the company made an additional purchase this year (2004).
The original 150mm dome valve purchased in 1998 replaced butterfly valves in the foundry at Volvo Powertrain's plant.
The valves are used in the process to produce cores - a ceramic mould which shapes the interior of the hollow casting used to make engine blocks.
The butterfly valves in the process deteriorated rapidly due to the abrasive nature of the sand which featured additives such as clay and resin.
These additives made the sand exceptionally sticky thus adding to the rapid degree of deterioration and high maintenance.
The installation of the dome valve reduced production downtime at Volvo Powertrain because the dome valve has few moving parts and allows an unrestricted flow of sand into the process.
"The dome valves have made a huge difference to Volvo Powertrain's performance", explains Kurt Olofsson of Christian Berner who supplied the Clyde dome valves to Volvo Powertrain.
"They require less maintenance and are far more reliable than their predecessors".
"Unlike competitors' products Clyde's dome valves are simple units to use and install.
Other solutions may be cheaper but they are more complicated and unreliable".
"Volvo Powertrain used to clean their valves every 8-16h to make them last longer".
"Now they only need to do this two or three times a year".
Explains Neil Gardiner, General Manager for Clyde Materials Handling Support Services: "Once again this application illustrates the proven reliability and performance of dome valves when operating in extreme conditions ensuring that customers come back to us time and again".
"Our dome valve is the original and it still maintains its leading position in the market place".
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