![Model 910.13 Model 910.13](https://cdn11.bigcommerce.com/s-ca10qrhzok/images/stencil/1192x250/y/wika-model-910_13-pressure-gauge-overpressure-protectors-category__16640.original.jpg)
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The overpressure protector for pressure measuring instruments is a piston valve. Through a helical spring, the outlet position is maintained until the pressure acting on the piston overcomes the back pressure of the spring, thus closing the valve.
3 items