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check valve |
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check valve n (Engineering / Mechanical Engineering) a valve that closes by fluid pressure to prevent return flow Also called nonreturn valve How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The cartridge filter check valve is supposed to pop open whenever there's a pressure imbalance between air inside and outside the fuel cells--like every time fuel is transferred from the front to the rear fuel cells. The accumulator collects the polymer/gas solution during the injection process, when the check valve to the plunger is closed. In addition, each emitter has a CV or check valve, which means that residual water flow is checked or stopped at the moment of shutoff. |
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