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SA - Locally made in-line pressure sensor to be 30% cheaper than imported equivalents

Pressure instrumentation specialist Blanes Pressure Solutions reports that its soon-to-be-launched South African-manufactured in-line pressure sensor is 30% more cost effective than similar imported versions.

This difference in price is mainly due to the method of manufacture and the rand cost of the product, says Blanes Pressure Solutions owner Rod McLeman.

McLeman says this new design is significantly cheaper than imported versions and enables various materials of construction to be used.

Liners can be made of natural rubber for abrasive slurries, or fluorelastomer, nitrile or ethylene propylene diene monomer rubber for chemical slurries, while connections can be flanged, screwed or wafer.

The use of investment casting techniques, as opposed to the more traditional fabrication techniques, enables reduced machining and greater flexibility with regard to materials of construction, which include most metals, such as aluminium, bronze, rust-resistant steel, stainless steel and nickel alloys.

The Blanes Inline Pressure Sensor, also known as a doughnut seal, is used to measure internal pressures. The sensors are used to protect pressure-measuring instruments from fluids which would normally block conventional connections, for example, mineral slurries in the mining industry. “This could be for process control or pump protection,” says Mc Leman.

Conventional pressure-measuring connec-tions are small, typically between 8 mm and 15mm, and prone to blockage, while the Blanes Inline Pressure Sensor provides for unres-tricted flow and can be used on pipes with a diameter of DN15 and larger.

Alternative designs are also available for very large pipe sizes.

The unit can be fitted with pressure switches, pressure transmitters or pressure gauges as required


Source: Opens external link in new windowminingweekly.com

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