Filter design replaces complex multipart assembly
A
Meese Orbitron Dunne Co product story
Edited by the Engineeringtalk editorial team
Dec 16, 2002
A new sand filter for swimming pools has a novel design that replaces a complex series of steel bolts, plastic components and fasteners with standard threads moulded into a one-piece plastic tank.
A new sand filter for swimming pools features an innovative design that replaces a complex series of steel bolts, plastic components and fasteners with standard threads molded into a one-piece plastic tank.
Engineered by rotomoulder Meese Orbitron Dunne for a major pool and spa product manufacturer, the breakthrough design enables the sand filter to accommodate high pressures up to 26lb/in2, which may result when blockages clog pumps, pipes, valves or other system components.
The MOD threaded design eliminates multiple parts and assembly steps, speeding production and reducing labour and materials costs while simplifying assembly and aiding quality assurance.
Developed with female threads, the MOD design permits the specification of a standard, male-threaded, top-mounting valve, replacing the costly valve required by the outdated design.
Developed with a bend-but-don't-break approach, the design includes a cylindrical tank rotomoulded from polyethylene in a single unit supported by moulded-in internal ribs that help evenly distribute stress.
The internal ribs, elastic material and one-piece design add the structural strength, rigidity and flexibility needed to allow the tank to expand with rapid changes in flow rates and pressure.
The MOD threaded design is featured on three different sand filter models with 16, 20 and 24in tank diameters.
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