Primary isolation valve copes with harsh operating conditions

16 August 2016

AS-Schneider has expanded the double block & bleed product range of its VariAS-Blocks, which are now available with a metal seated ball valve design. 

This makes the valves suitable for use as a reliable primary isolation in industrial plants, at pressures up to 420 Bar and under harsh operating conditions.

The VariAS-Blocks are used in chemical plants and the oil and gas industry among other applications where pressure needs to be continuously monitored and measured in the pipework. 

As primary isolation valves on the pressure tapping points, these shut-off devices separate the impulse lines and process lines from each other. This allows for reliable pressure measurements and protects people and the environment from process media.

VariAS-Blocks combine primary isolation (process side) and secondary isolation (instrumentation side) valves in one single valve body - saving weight and space and simplifying the installation. Potential leakage points are reduced which increases safety. Measuring instruments like pressure gauges or transmitters are usually directly mounted on the VariAS-Blocks.


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