Airline accessories - Powertools Sweden - (Version JPG) - Page n° 4 - PDF Catalogue | Technical Documentation

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Air Tools and Air Pressure

Piping

Piping layout is very important to use the air tool efficiently. When a pipe is connected to an air compressor, the pipe should be installed at a reasonably high position from the air compressor to prevent drain from coming into the pipe from the air compressor. A slope more than 1/100 is necessary to drain water easily. The diameter of the main pipe should be determined according to an average air flow at load. The diameter of branch pipes should be 50% to 70% of the main pipe. Thin pipes may cause the drop of air pressure, so the pipes should be chosen lest air pressure should drop more than 0.0315 MPa. The drop of air pressure due to joints, elbows, etc. should be also taken into account.

Drop of Air Pressure (MPa) in 10 M

Air Hose at Air Pressure of 0.63 MPa (6.3 bar)


^\ Air Consumption ^\ (m³/min) Hose Dia. ^\ (mm)	0.5	1.0	1.5	2.0	2.5	3.0	4.0
9.5mm (3/8")	0.0095	0.0485
12.7mm (1/2")	0.0047	0.0317	0.0948	0.1826
19.0mm (3/4")	0.0009	0.0041	0.0087	0.0190	0.0306	0.0463
25.0mm (1")		0.0009	0.00213	0.0041	0.0074	0.0105	0.0126
38.0mm ( 1 1/2")					0.0005	0.0009	0.0013

Drop of Air Pressure in Coupling

(Valve, Elbow, etc.)


Pipe inside Dia.	Drop of air pressure	Drop of air pressure
(mm)	in valve (m)	in elbow (m)
25	0.61	0.41
38	1.24	0.92
50	2.14	1.53
65	3.05	2.14
75	3.96	2.76
90	4.82	3.36
100	6.10	3.90
125	8.54	5.82
150	11.00	7.30

Drop of Air Pressure (MPa) in 100 M

Straight Pipe at Air Pressure of 0.63 MPa (6.3 bar)


\, Air \Consumption Pipe *V¹"¹**Inside DiaNx (mm) \	0.5	1.0	2.0	5.0	10.0	15.0
20	0.0095	0.0380	0.1428
25	0.0038	0.0095	0.0476	0.2380
32		0.0038	0.0190	0.0761	0.2857
40			0.0038	0.0285	0.0857	0.1142
50				0.0076	0.0476	0.0571
60				0.0028	0.0095	0.0190
70					0.00476	0.0095
80						0.0028

Recommended Piping Lay-Out for Air Line System

A -ft-

AIR TOOL

Airline accessories - Powertools Sweden - #4

Tapping machine, Saw, Bearing puller, Impact wrench, Pneumatic sander