Leaf valve

Leaf valve

A leaf valve is a one-way valve (check valve) consisting of a diagonal obstruction with an opening covered by a hinged flap.


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  • Leaf valve — Leaf Leaf (l[=e]f), n.; pl. {Leaves} (l[=e]vz). [OE. leef, lef, leaf, AS. le[ a]f; akin to S. l[=o]f, OFries. laf, D. loof foliage, G. laub, OHG. loub leaf, foliage, Icel. lauf, Sw. l[ o]f, Dan. l[ o]v, Goth. laufs; cf. Lith. lapas. Cf. {Lodge}.] …   The Collaborative International Dictionary of English

  • Leaf — (l[=e]f), n.; pl. {Leaves} (l[=e]vz). [OE. leef, lef, leaf, AS. le[ a]f; akin to S. l[=o]f, OFries. laf, D. loof foliage, G. laub, OHG. loub leaf, foliage, Icel. lauf, Sw. l[ o]f, Dan. l[ o]v, Goth. laufs; cf. Lith. lapas. Cf. {Lodge}.] 1. (Bot.) …   The Collaborative International Dictionary of English

  • Leaf beetle — Leaf Leaf (l[=e]f), n.; pl. {Leaves} (l[=e]vz). [OE. leef, lef, leaf, AS. le[ a]f; akin to S. l[=o]f, OFries. laf, D. loof foliage, G. laub, OHG. loub leaf, foliage, Icel. lauf, Sw. l[ o]f, Dan. l[ o]v, Goth. laufs; cf. Lith. lapas. Cf. {Lodge}.] …   The Collaborative International Dictionary of English

  • Leaf bridge — Leaf Leaf (l[=e]f), n.; pl. {Leaves} (l[=e]vz). [OE. leef, lef, leaf, AS. le[ a]f; akin to S. l[=o]f, OFries. laf, D. loof foliage, G. laub, OHG. loub leaf, foliage, Icel. lauf, Sw. l[ o]f, Dan. l[ o]v, Goth. laufs; cf. Lith. lapas. Cf. {Lodge}.] …   The Collaborative International Dictionary of English

  • Leaf bud — Leaf Leaf (l[=e]f), n.; pl. {Leaves} (l[=e]vz). [OE. leef, lef, leaf, AS. le[ a]f; akin to S. l[=o]f, OFries. laf, D. loof foliage, G. laub, OHG. loub leaf, foliage, Icel. lauf, Sw. l[ o]f, Dan. l[ o]v, Goth. laufs; cf. Lith. lapas. Cf. {Lodge}.] …   The Collaborative International Dictionary of English

  • Leaf butterfly — Leaf Leaf (l[=e]f), n.; pl. {Leaves} (l[=e]vz). [OE. leef, lef, leaf, AS. le[ a]f; akin to S. l[=o]f, OFries. laf, D. loof foliage, G. laub, OHG. loub leaf, foliage, Icel. lauf, Sw. l[ o]f, Dan. l[ o]v, Goth. laufs; cf. Lith. lapas. Cf. {Lodge}.] …   The Collaborative International Dictionary of English

  • Leaf crumpler — Leaf Leaf (l[=e]f), n.; pl. {Leaves} (l[=e]vz). [OE. leef, lef, leaf, AS. le[ a]f; akin to S. l[=o]f, OFries. laf, D. loof foliage, G. laub, OHG. loub leaf, foliage, Icel. lauf, Sw. l[ o]f, Dan. l[ o]v, Goth. laufs; cf. Lith. lapas. Cf. {Lodge}.] …   The Collaborative International Dictionary of English

  • Leaf fat — Leaf Leaf (l[=e]f), n.; pl. {Leaves} (l[=e]vz). [OE. leef, lef, leaf, AS. le[ a]f; akin to S. l[=o]f, OFries. laf, D. loof foliage, G. laub, OHG. loub leaf, foliage, Icel. lauf, Sw. l[ o]f, Dan. l[ o]v, Goth. laufs; cf. Lith. lapas. Cf. {Lodge}.] …   The Collaborative International Dictionary of English

  • Leaf flea — Leaf Leaf (l[=e]f), n.; pl. {Leaves} (l[=e]vz). [OE. leef, lef, leaf, AS. le[ a]f; akin to S. l[=o]f, OFries. laf, D. loof foliage, G. laub, OHG. loub leaf, foliage, Icel. lauf, Sw. l[ o]f, Dan. l[ o]v, Goth. laufs; cf. Lith. lapas. Cf. {Lodge}.] …   The Collaborative International Dictionary of English

  • Leaf frog — Leaf Leaf (l[=e]f), n.; pl. {Leaves} (l[=e]vz). [OE. leef, lef, leaf, AS. le[ a]f; akin to S. l[=o]f, OFries. laf, D. loof foliage, G. laub, OHG. loub leaf, foliage, Icel. lauf, Sw. l[ o]f, Dan. l[ o]v, Goth. laufs; cf. Lith. lapas. Cf. {Lodge}.] …   The Collaborative International Dictionary of English

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