The hydraulic diaphragm metering Orlita Evolution form an integrated product range with stroke lengths of 15 to 40 mm. This covers the capacity range from 3 to 7,400 l/h at 400 to 10 bar. A wide range of drive versions is available, including some for use in Ex-zone 1 and 2. The Orlita Evolution product range is designed to comply with API 675. This pump serie meets the most exacting safety requirements as an extremely robust hydraulic diaphragm metering pump. It stands out thanks to its PTFE multi-layer diaphragm with integral diaphragm rupture warning system and unique diaphragm position control. Its modular construction offers extremely good flexibility in terms of applications.
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The Memdos LB and LP series are offered in a broad capacity range. Due to numerous versions of dosing heads and valves, combined with a wide range of materials for the dosing head, an even greater consistency and application range is covered. The performance ranges from 0 – 4 up to 0 – 150 l/h for the first size, and 0 – 110 up to 0 to 1010 l/h for the second size. The maximum permitted pressure, depending on the size, is between 4 and 16 bar. Thanks to the sturdy tappet drive with manual or automatic capacity adjustment, the conveyed media such as acids, lyes, coagulants and flocculants are dosed reliably and precisely.
As the beating heart in all manner of systems including diaphragm pumps, diaphragms have to withstand long and heavy loads. They also have to meet the toughest of requirements in pneumatic systems, fittings, and many, many other applications. With diaphragms made of thermoplastic polyurethane (TPU), Freudenberg Simrit has succeeded in taking a decisive step towards significantly extending the service lives of diaphragms. TPU is also incredibly resistant to abrasion, which means that the components in which it is used in get top grades for lifecycle duration and economic efficiency.
The entire range of Sigma motor-driven diaphragm metering pumps has been thoroughly renewed and provided with additional intelligent features, which provide a high level of operating comfort, safety and efficiency.