Adopting a proactive upkeep strategy is key to eliminating widespread failures modes and extending the helpful lifetime of pumps, which is why liquid flange gaskets and thread locking adhesives can offer important advantages over standard compression gaskets.
In today’s fast-moving, constantly evolving industrial landscape, pump downtime can be extraordinarily expensive in lost output, notably the place the pump has a production-critical function. For this reason, those operating in processing sectors corresponding to paper, energy generation, chemical compounds, sugar, mining and oil and gas, will know all concerning the pressures that come with pump upkeep.
Conventional pre-cut compression gaskets are prone to long-standing issues like shrinkage, rest, extrusion and breakage, all of which might promote leaks between the bearing body and adapter, or between the stuffing field and pump casing, for example. One method ahead is to fully eradicate the requirement for a minimize gasket by switching it with a liquid gasketing adhesive. Such a product fills all of the air space between the mating components to create a perfect seal, whereas concurrently eliminating flange face corrosion.
MRO workshops Among these capable of profit are maintenance, repair and operations (MRO) workshops, where any liquid gasketing product must be quick and reliable, but simple to dismantle for further upkeep activities. In addition, the product should allow straightforward utility and offer lower costs than conventional gaskets and slow-curing chemical solutions.
Loctite 518 a methacrylate-based gasketing product that is sutiable the place low power is of paramount significance. According to the manufacturers, this product can deliver a 50% time saving because of fast cure occasions, reducing the time required before reaching the take a look at bench. In addition, as a single-component adhesive, the product may be utilized utilizing both a gun or a brush, whereas providing low price and simple removal. The adhesive is suitable for use on all forms of pumps, including centrifugal, submersible, diaphragm, disc and double- jacket.
A producer of forged iron gearboxes and geared motors reported that whereas the company was already utilizing liquid gasketing on an adapter assembly flange, the resulting poor seal was causing a 5% leakage price, along with testing and production delays due to the adhesive’s sluggish treatment price.
After trialling pressure gauge , the producer found that a Loctite gasket sealant met all of its performance standards. The product fills the gaps between the flange surfaces and cures shortly in order that close-fitting elements can be immediately pressure examined to 276 kPa (40 psi). Leaks are now a thing of the past and disassembly is way simpler.
Shaft alignment Another frequent issue with pumps is shaft misalignment. When shafts on rotating equipment are misaligned, the potential for expensive, unplanned machine downtime rises dramatically. Typical among the outcomes is untimely bearing failure.
A simple and cost-effective method to ensure and preserve critical shaft alignment is to fill the airspace with a suitable liquid adhesive. This technique has the effect of resisting vibration, shock, thermal expansion and contraction by unifying the assemblies. Such an method maintains the clamp load and retains bolts from loosening, which in flip ensures ongoing shaft alignment. Ultimately, pump customers can lengthen imply time between failures (MTBF) and luxuriate in full bearing life expectancy.
Thread locking An industrial maintenance/engineering providers facility that had issues with shaft alignment for an electrical motor and centrifugal pump that provides water to the boiler of a business building. Previously, the loosening of mounting bolts was resulting in shaft misalignment and failures.
To overcome the difficulty, the upkeep specialist opted for a model new course of. The company started cleaning the nuts and bolts utilizing Loctite SF 7603, before aligning the shaft with a laser and applying Loctite 290 to the threads prior to fastening on the proper torque. This solution is proving profitable in sustaining alignment until the next scheduled upkeep (every three years).
Proven adhesive and sealant products are available to help with a myriad of further pump upkeep duties. Retaining compounds, as an example, prevent bearings from fretting or spinning both on their shafts or inside their housings. As one other example, numerous merchandise exist to help forestall corrosion or chemical attack.
Share