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bal-check valve

noun
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Definition of bal-check valve

: a ball valve in which the ball is pushed against or away from its seat by fluid pressure opposed to the action of a spring

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“Bal-check valve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bal-check%20valve. Accessed 13 Jul. 2020.

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