What is most important for instrument tubing installation?
Measure Exactly – Bend Accurately. These are the two most important rules which must be observed when fabricating a tube line. Figure 1.
What is instrument tube fittings?
They are used to transfer, measure and control system flow, pressure, temperature and provide system calibration. Instrumentation fitting components are critical to the operations of the plant or a product grouping. Fittings, valves, and tubing are the veins and arteries of the instrumentation system.
How do you use a tube nut?
Slip the Tube Nut onto the tubing first, followed by this Tube Sleeve. Then use a 37° flaring tool to flare the end of the tubing. When you screw the Tube Nut onto a male AN fitting, the Tube Sleeve will protect the end of your tubing. Sold individually.
How do you tighten tubing?
You can tighten by hand, by using a wrench, or a mixture of the two. By tightening the fitting with your hand, you can ensure that the threads are lined up correctly. If threads crossover, not only does it make it harder to tighten, you also risk stripping the threads.
Where are tube fittings used?
How does a ferrule fitting work?
As the ferrule(s) moves axially into the fitting body, the body’s angled shape radially compresses the end of the ferrule onto the outer diameter of the tubing. It is this radial compression that creates the leak tight seal between the fitting, ferrule, and tubing, and gives the compression fitting its name.
What is Flareless tube fittings?
A flareless fitting, also referred to as a compression fitting, uses a single ferrule and a nut to make a connection, eliminating the need for flaring. Flareless fittings are common because they can be used with a wide variety of tubing types and because connections are easy to make.
What is a swage fitting?
Swaging is a method of securing cable railing wire with a permanently fitted cable or sleeve. The connection typically exceeds the rated breaking strength of the wire rope or cable. This is accomplished using fittings known as swages. By definition, a swage fitting is a wire rope component.
What are the requirements for the installation of instrumentation and tubing?
Tubing shall be installed in a manner that allows for calibration of instrument and removal of adjacent instruments, equipment and tubing. All piping and tubing shall not be pocketed. All tubing shall be installed in a neat manner with no signs of crimping, flattening, or bends with radius too small. Tubing shall not be marked or scored.
How do I install instrument tube fittings?
1.arker instrument tube fittings are sold completely assembled and P ready for immediate use. Simply insert the tube as illustrated in Figure 34 until it bottoms in the fitting body. (If the fitting is disassembled, note that the small tapered end of the ferrule(s) go into the fitting body.) 2. Tighten nut finger tight.
How do I choose a suitable tubing material for Parker instrument fittings?
Tubing for use with Parker instrument fittings must be carefully ordered to insure adequate quality for good performance. Each purchase order must specify the material nominal outside diameter, and wall thick- ness.
How do instrumentation tube fittings work?
Parker Instrumentation Tube Fittings are supplied complete and ready to use. The ferrule(s) swage onto the tube as it moves down the body seat creating a pressure/vacuum-tight seal on both tube and body by the interface pressure and surface finish of mating components.