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 ?
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.
Refit the flap valve back into the siphon in the reverse order and reconnect the cistern back on to the pan and wall.
SA Series Flap Valve Pumps--allows solids up to 3" in diameter to pass through pump without damage to pump or degradation to pumped product.
of 1 1/2", both fitted with perforated caps and rubber flap valves (made from an inner tube) on the bottom end.
Grout up the existing redundant overflow pipeline and remove existing flap valve.
2cm (6") while protecting product integrity, the flap valve technology utilised by the pump call move whole muscle meat products, delicate fruits and vegetables trouble-free.
The second compartment shall contain a duckbill type flap valve (as specified below) together with connections to the two existing outfall pipes and the proposed new outfall pipe.
They performed the first WiFi procedure in February 2011 which repairs the flap valve at the top of the stomach as well as shrinks the capacity of the stomach.
Hydraulic force discharges product from the column, the inlet flap valve is closed and the outlet flap valve opened causing product to flow into the downstream pipework.
This flap valve rests closed against the other side of the stomach at the junction of the stomach to the esophagus, to prevent stomach contents from refluxing back into the esophagus.
Silver oxide, a known antifungal substance, has been incorporated into the silicone flap valve of the Blom-Singer ADVANTAGE voice prosthesis as a valve material preservative.
Tenders are invited for Procurement of Hand Instruments for Laparascope for Surgery Department for the year 2015-16 Veress Needle spring loaded small size 120mm, 2mm,Veress Needle spring loaded Big size 120mm, 2mm,Sheath / Cannula flap valve with Manual Activation, Autoclavable.