63mm DIAMETER BRASS BOTTOM CONN 1/4 NPT 1000KPA CLASS 1.6%

SKU: PBG-A-63-BB-02-1000KPA Category: Tags: ,

Description

63mm DIAMETER BRASS BOTTOM CONN 1/4 NPT 1000KPA CLASS 1.6%

63mm DIAMETER BRASS BOTTOM CONN 1/4 NPT 1000KPA CLASS 1.6%

Many of the processes in the modern world involve the measurement and control of pressurized liquid and gas systems. This monitoring reflects certain performance criteria that must be controlled to produce the desirable results of the process and insure its safe operation. Boilers, refineries, water systems, and compressed gas systems are but a few of the many applications for pressure gauges.

The mechanical pressure indicating instrument, or gauge, consists of an elastic pressure element; a threaded connection means called the “socket”; a sector and pinion gear mechanism called the “movement”; and the protective case, dial, and viewing lens assembly. The elastic pressure element is the member that actually displaces or moves due to the influence of pressure. When properly designed, this pressure element is both highly accurate and repeatable. The pressure element is connected to the geared “movement” mechanism, which in turn rotates a pointer throughout a graduated dial. It is the pointer’s position relative to the graduations that the viewer uses to determine the pressure indication.

Design

In a Bourdon tube gauge, a “C” shaped, hollow spring tube is closed and sealed at one end. The opposite end is securely sealed and bonded to the socket, the threaded connection means. When the pressure medium (such as air, oil, or water) enters the tube through the socket, the pressure differential from the inside to the outside causes the tube to move. One can relate this movement to the uncoiling of a hose when pressurized with water, or the party whistle that uncoils when air is blown into it. The direction of this movement is determined by the curvature of the tubing, with the inside radius being slightly shorter than the outside radius. A specific amount of pressure causes the “C” shape to open up, or stretch, a specific distance. When the pressure is removed, the spring nature of the tube material returns the tube to its original shape and the tip to its original position relative to the socket.

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