COUPLINGS | PARTNER SOLUTIONS
Drive Systems expands locally-stocked ESCO API 610 and non-sparking disc couplings Drive Systems has expanded its range of couplings stocked in Australia to include the Escodisc DPU series of coupling to API 610 standards.
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scodisc DPU series couplings have a maximum torque capacity of 23,100Nm and bore capacity up to 220mm. A comprehensive range of the DPU Series API 610 disc couplings are stocked with a variety of spacers to fit standard DBSE (Distance Between Shaft Ends) in 100mm, 140mm, 180mm and spacers up to 300mm off the shelf that can be quickly modified to customer specific lengths.
Flexible spacer design
Thanks to the unique design of the Escodisc spacer with its flanges bolted to the intermediate tube section, its length is easily adaptable to customer requirements. Therefore, quick delivery (even for non-standard DBSE) is possible for larger spacers above 180mm or to match imperial spacers often found in the petrochemical industry.
No buckling of discs
The Escodisc DPU series is built around Escodisc couplings' genuine and original disc pack sub-assembly design. This design with optimised disc shape and thickne,ss, is factory assembled and secured by shipping screws against damages, minimises assembly errors,
simplifies coupling mounting and guarantees worry-free performance, low operating costs, as well as long life of the connected equipment. In order to guarantee perfect centring of the spacer under all working conditions (very important for long DBSE applications) and well controlled stresses in the disc pack, Escodisc couplings have been calculated and tested to have no buckling up to the peak torque. This results in trouble-free operation, maximum efficiency and reduced risk for disc failure.
Easy assembly and disassembly
Thanks to the standard use of shipping screws and the factory assembled transmission spacers, Escodisc DPU couplings combine the high torque and misalignment with the ease of assembly. On average, users can cut down assembly and disassembly costs by 50 per cent when using Escodisc DPU couplings. Furthermore, because the transmission spacer is factory assembled, the risk for assembly errors is reduced to an absolute minimum level, which results in reliable operation and extended life of the coupling.
API 610 Standard | API 671 available on request Hardware protected against corrosion Factory assembled disc packs
Discs AISI 301 stainless steel with special surface treatment
The Escodisc DPU series offers:
• High torque and high continuous misalignment capacity • Maintenance free • Factory-assembled disc packs secured by shipping screws and thus protected against overstressing/damage • Positive centering and factoryassembled transmission unit/spacer minimising assembly errors and simplifying coupling mounting • Adjustable spacer design for easily accommodating DBSE changes • Excellent inherent balancing characteristics • No problems in dirty and corrosive environments due to the use of AISI 301 full hard stainless-steel discs and protected bolts • Optimised shaped stainless steel discs for equal load distribution • Fillers avoiding contact between discs hence no fretting corrosion • No disc buckling • Precisely drilled and reamed flange holes • S hub for nominal bores and L hub for larger bores • Black oxide overall steel parts, oiled for protection • Special plated hardware • Easier and less costly mounting • Refurbishment of the coupling by fitting two new disc pack subassemblies to the existing spacer piece • Extended life • Very low and predictable reaction forces on associated equipment • Temperature range -40°C to 270°C
Large hubs available
Optimised disc shape & thickness Factory assembled spacer units Standard use of 12.9 quality bolts
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The Esco advantage
pump industry | Spring 2020 | Issue 33
Melbourne: +61(0) 3 9796 4800 Perth: +61(0) 455 320 552 www.drivesystems.com.au info@drivesystems.com.au www.pumpindustry.com.au
