Specifications | |
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Order number: | 119-00454 |
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Depending on the model of the non-return valve, the operation of the valve may change. The back pressure presses a ball, diaphragm or disc against the valve seat and seals it. The closing process is supported by a spring or by gravity. Depending on the model of the non-return valve, the operation of the valve may change. The back pressure presses a ball, diaphragm or disc against the valve seat and seals it. The closing process is supported by a spring or by gravity.
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