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Why in the case of some pressure regulators is there a choice between a short and long rotary knob?

April 26, 2017Case Knob pressure regulators Rotary short

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Why in the case of some pressure regulators is there a choice between a short and long rotary knob?

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With service units in the MS series you have a choice of a long or short rotary knob for pressure regulators. The total height of the regulators with different rotary knobs is identical. The difference is that part of thread and lock nut are visible in the case of the shorter rotary knob. This variant is, for example, suitable for installation in control panels. In contrast, the longer regulator knob covers the thread, protecting it against contamination.