Scrapping iron makes butterfly valve lighter
A
Tomoe Valve product story
Edited by the Engineeringtalk editorial team
Jan 25, 2006
Butterfly valve is 40% lighter than conventional iron valves due to aluminium diecast body and thermo-plastic top plate.
Tomoe has announced the 773Z light-weight butterfly valve for applications in food processing, swimming pools, chemical processing, power generation, marine, automotive, sugar refining, brewing, water treatment, chemicals and HVAC where the larger flow rate achieved through improved seat and rib disc design is optimising process performance.
The valve is 40% lighter than conventional iron body valves.
The lighter weight is possible due to the aluminium diecast body and the engineered thermo-plastic top plate.
Improved anti-condensation capability is achieved by using a high performance engineered plastic column.
This also provides low water absorption, high corrosion resistance, heat resistance, non-flammability and shock resistance about four times greater than that of hard PVC material.
The ribbed disc design improves flow rates.
The design of the stainless steel disc is based on a disc pattern incorporating a series of ribs on opposite and opposing faces of the disc.
This enables a thinner disc section to be used leading to a reduction in the effects of cavitation by breaking up the flow into thinner jet streams thus dissipating the energy over a greater number of streams.
The flat faced designs will still be available for applications that require the original polished discs.
Also available is an oil free version - model 763Z - for applications such as motor vehicle paint plants and high purity water duties.
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