gas trap


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gas trap

[′gas ‚trap]
(civil engineering)
A bend or chamber in a drain or sewer pipe that prevents sewer gas from escaping.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
With the poor venting and a small gate, we'll likely be fighting filling problems related to gas traps (burning), flashing, parts sticking at ejection, and cosmetic issues.
This will also allow venting in areas where gas traps can contribute to splay and erosion.
Upon triggering a gas trap or throwing his Nox gas grenade ultimate, a large cloud of green smoke will show up.
The most common issues are high flow-length/wall-thickness ratio, unbalanced fill, gas traps, and lack of appropriate venting.
The gas traps intense solar heat into our atmosphere and drives the pressing concern of climate change, something that can have a devastating effect not only on human life but also on flora and fauna on our planet.
Now, it not only corrects multi-cavity filling imbalances, but it can "correct" flow within a cavity to solve problems like weld lines and gas traps. To top it off, the effect is now adjustable from the parting line of the mold (p.
This lets you put the hottest, lowest viscosity melt where it can help alleviate weld lines, warpage, and gas traps without changing gate sizes or locations or taking the mold out of the press.
Opening and closing all the valve gates at the same time necessarily limits the degree of control over weld or knit lines, gas traps, localized packing, and unbalanced flow.
Flow defects such as "race-tracking," gas traps, hesitation, and underflow can be detected and eliminated.
PHOTO : Expert' software provides the C-Flow cavity filling simulation software with new capability to predict locations of weld lines and gas traps automatically.