neutral pressure

neutral pressure

[′nü·trəl ′presh·ər]
(hydrology)
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Some operators and commissioning agents are pushing the control setpoint as close to neutral pressure as practical to reduce energy use and increase control stability.
We anticipate neutral pressure on prices compared to last winter," said Bill Green, NGSA chairman and vice president, Downstream Marketing, for Devon Energy Corp.
This vent allows air of a more neutral pressure to enter the system and the water to escape via the weeps on the bottom of the system removing the high velocity conditions that may cause the original method to fail.
For instance, the company Creative Balloons Maschinenbau GmbH & CoKG in Heidelberg has now used ElastollanA, the TPU from BASF, to manufacture a balloon which interacts with the body with almost neutral pressure, flexibly foldable tube elements, elastically deformable foam suppositories (in the head section) and a discharging drainage tube for an improved stool drainage system with a new type of innovative functionality.
Klote (1991) presented a general method for the evaluation of the neutral pressure level (NPL) for a space (e.
Neutral Pressure Room: 100% Air Recirculation (Fig.
Tested and rated to meet or exceed all local, regional, state, and federal code requirements, PyroEdge-20 fire-rated glass offers a clear 1/4" tempered glazing, rated for 20-minute positive and neutral pressure applications without hose stream testing.
Other performance features for the new control valve include: a maximum work port to rank pressure drop of 150 psi; a maximum load-holding port leakage of 5 cc/mm; maximum load check leakage of 40 cc/min; low neutral pressure drop.
In the past, fire tests had a neutral pressure in the fire chamber.
Maintaining net-positive or neutral pressure in the occupied areas with respect to outside the building.
6 And it is a neutral pressure zone for smoke control, so the volume has been allowed to be larger than usual in a public building.
We call that the neutral pressure plane or neutral pressure zone.