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.
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.
Avoid situations where melt fronts join at a shallow angle, which can result in gas traps or flow hesitation.
This will also allow venting in areas where gas traps can contribute to splay and erosion.
Tenders invited for Helium leak tested evacuable pressure vessel (3mm wall thickness) for storage of tritium gas traps made from aisi 304l with metal seal and bolted lid (diameter 373mm) having overall dimensions 311mm internal diameter, 612mm height.
The most common issues are high flow-length/wall-thickness ratio, unbalanced fill, gas traps, and lack of appropriate venting.
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.
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.
GWP is a relative measure of how much heat a greenhouse gas traps in the atmosphere, with carbon dioxide setting the comparison with a GWP of 1.
But while carbon dioxide gas traps heat, sulfur dioxide turns into tiny sulfate droplets that reflect sunlight back toward space.