flap valve


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flap valve

[′flap ‚valv]
(mechanical engineering)
A valve fitted with a hinged flap or disk that swings in one direction only.

flap valve

In plumbing, a check valve in the form of a hinged disk which permits flow in one direction only.
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References in periodicals archive ?
5] This anterior folding of caecum leads to flap valve occlusion at the site of flexion.
Vesicoureteral reflux recurs potentially because of the ineffective flap valve mechanism when the length-to-ureteral-diameter ratio of the submucosal tunnel is <5:1.
If a deflagration occurs in the dust collector, a pressure wave will travel through the pipe faster than the flame front and close the flap valve, protecting downstream personnel and equipment from injury and damage.
Flap valve double patch closure of ventricular septal defects in children with increased pulmonary vascular resistance.
Refit the flap valve back into the siphon in the reverse order and reconnect the cistern back on to the pan and wall.
EV series is a glass tube loader with an optical sensor and nonreturn flap valve.
2cm (6") while protecting product integrity, the flap valve technology utilised by the pump can move whole muscle meat products, delicate fruits and vegetables trouble-free.
Everyone is born with a small flap in the septum between the right and left atria of the heart; but for some that flap valve never closes permanently.
Product offerings include; air and natural gas operated double diaphragm pumps, ball valve and solids handling flap valve pumps, DC powered portable and air-operated submersible pumps, replacement parts, and a complete range of accessories.
CDM has selected a Rodney Hunt (Orange, Massachusetts) Flexible Flap Valve for this project, because it opens under low unseating head and low maintenance requirements.
The water stays there because of the flap valve, and with continued pumping, the pipe fills.
Grout up the existing redundant overflow pipeline and remove existing flap valve.