Abstract: the pressure from several ways of throttling device information produced by excellent flow meter, flow meter manufacturer to offer you the quotation.
Throttling device way of selecting pressure throttling device of pressure method, in terms of orifice plate has five kinds: Angle take pressure, flange take pressure, diameter of take and take pressure and the pressure pipe joint theory.
As for the nozzle only Angle joint pressure and diameter of the two.
(
l)
Angle of access, under pressure.
More flow meter manufacturers choose model price quote you are welcome to inquire, the pressure from several ways of the article below is the throttle device for details.
Throttling device way of selecting pressure throttling device of pressure method, in terms of orifice plate has five kinds: Angle take pressure, flange take pressure, diameter of take and take pressure and the pressure pipe joint theory.
As for the nozzle only Angle joint pressure and diameter of the two.
(
l)
Angle of pick up pressure on the downstream side, took pressure hole axis and the orifice (
Nozzle)
Before and after the end of half of the distance between each hole diameter is equal to take pressure, or apply pressure ring gap width is equal to half, and therefore take pressure hole through the place and the orifice plate face is flat, Angle of access including annulus pressure to take pressure and drilling alone.
(
2)
Flange apply pressure on the downstream side, took the hole center to hole plate transverse spacing for (before and after
2. 5.
4 and 0.
8)
mm。
(
3)
Span take pressure on swim side take pressure hole center and the orifice (
Nozzle)
Front end of the distance of 1 d, downstream pressure hole center and the orifice (
Nozzle)
After the end of distance for 1/2 d.
(
4)
Theory take pressure upstream side of the take the hole center to hole plate front distance of 1 and 0 d below.
1 d, the downstream side of the hole centerline to the face after orifice spacing with & beta;
The size of the = d/d value.
(
5)
Tube access pressure upstream side take hole centerline from the orifice before the end of 2.
5 d, downstream pressure hole centerline from the orifice plate after the end of 8 d.
Pressure from the above five kinds of ways, the Angle of access modes used zui, followed by the flange to take pressure.
The main medium for the extraction of gas liquid and steam pressure position has a fundamental difference.
Details please refer to the manual throttling device design, or consult relevant technical personnel of the company.
Above is all there is in this article, you are welcome to inquire me manufacturer
flowmeter selection, quotation, etc.
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