Pfeiffer Vacuum expands the OktaLine ATEX collection

Roots pumps from Pfeiffer Vacuum’s OktaLine are ideal for use in processes in potentially explosive environments or for evacuating explosive gases. Designed in accordance with the ATEX Directive (2014/34/EU1 and/or 1999/92/EC) with pressure surge resistance of PN 16, they meet the very highest explosion safety necessities.
Zone entrainment of explosive gases is ruled out in consequence. Potential applications vary from the chemical, biotechnology and pharmaceutical industries to industrial functions such as vacuum furnaces or heat therapy.
As a results of the enlargement of the collection, pumping speeds range from 280 to eight,one hundred m3/h. Depending on the applying, there is a choice between gear category 2G or 3G. All pumps are appropriate for temperature class T3. Installation is feasible without flame arresters. This signifies that, successfully, the complete pumping velocity of the pump is available.
The pumps are suitable for common use as a outcome of their variable differential stress and versatile rotational velocity. เกจ์วัดความดัน can be utilized at ambient temperatures starting from -20 °C to + forty °C.
In view of their magnetic coupling, OktaLine pumps are hermetically sealed and achieve extraordinarily low leak rates of 10-6 Pa m3/s. The magnetic coupling eliminates the need for shaft seals, that are inherently weak points if it involves pressure surges and are high-maintenance. OktaLine ATEX pumps are pressure surge resistant up to 1600 kPa. Due to their magnetic coupling, there is not a risk of zone entrainment. The integrated temperature sensor protects against thermal overload and monitors the gas temperature in the outlet space.
Compared to pumps with shaft seals, the OktaLine’s magnetic coupling achieves as much as 20 percent lower operating prices and significantly decreased maintenance costs. OktaLine Roots pumps may additionally be operated with no bypass, since ATEX protection is assured even with passive rotation (windmilling). The use of ATEX IEC motors implies that alternative on site is quick and easy.
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