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Corrugated metal hoses
PN : Metal flexible corrugated leakproof hoses

Construction :
Metal flexible hoses device 100% with wall single, carried out by hydraulic process starting from a tube, longitudinally welded.

Profile :
Hoses with parallel waves.

Material :
Stainless austenitic steel, conforms to the requirements of DIN standard 17440 x10CrNiMoTi 1810, reference of material: 1.4571 (AISI 316 Ti).

Braiding :
Stainless steel wire, conforms to the requirements of DIN standard 17440 X 5 CrNi 189, reference of material: 1.4301 (THUS 304).

Connections :
Threaded supports, connections ends.

Dimensions :
Diamètre nominal 10 mm à 150 mm DN10-DN150.

Pressures :
150 Bar maximum

The presssions which appear in the table depend on the nominal diameter, the temperature, the number of braids etc.

Amplitude of temperature :
-196°C- +600°C

Applications :
Distribution of gas liquid under pressure and vacuum. Realized starting from stainless steel, these types of pipes can be used in installations containing of the fluids and corrosive gases. Shim elements, they are used of absorbtion in the event of displacements, vibrations, thermal dilations, and compensation in the event of misalignment of rigid tubes (drains).

 

 

DN
Internal diameter
/mm/
Numbers tressses
External diameter
/mm/
Press. of service Pr /bar/
Minimal radius of curvature /mm/
Masse (kg/m) Tolér. +/- 10%
Cut
Tolér.
+/-
Cut
Tolér.
+/-
Stat.
Dynam.
10
9,2
0,3
0
14,8
0,3
16
32
160
0,090
1
16
0,4
75
0,220
2
14,2
0,5
105
0,350
12
12,4
0,3
0
19,8
0,3
12
45
210
0,120
1
21,4
0,5
45
0,310
2
23
0,6
105
0,500
15
15,5
0,3
0
22,9
0,3
7
50
230
0,155
1
24,2
0,5
65
0,350
2
25,5
0,6
90
0,545
20
18,8
0,3
0
27,2
0,3
5
50
240
0,230
1
28,5
0,5
47
0,470
2
29,8
0,6
70
0,710
25
25,1
0,3
0
35,5
0,3
4
60
250
0,320
1
36,8
0,5
38
0,620
2
38,1
0,6
55
0,920
32
31,5
0,3
0
43,5
0,3
3
80
265
0,420
1
44,7
0,6
34
0,870
2
45,9
0,8
48
1,320
40
37,8
0,3
0
50,6
0,3
2
110
310
0,490
1
53,1
0,6
30
1,190
2
55,6
0,8
41
1,890
50
49,9
0,4
0
65,6
0,4
1,5
140
355
0,780
1
67,7
0,8
25
1,720
2
70
1,0
36
2,660
65
63,2
0,4
0
80,6
0,4
1
180
415
1,290
1
82,8
0,8
21
2,940
2
85
1,0
30
3,690
80
75,7
0,4
0
95,5
0,4
0,7
200
475
1,530
1
97,8
0,8
19
2,930
2
100,8
1,0
27
4,330
100
101,8
0,5
0
124,8
0,5
0,5
225
585
2,120
1
127
1,0
14
4,020
2
129
1,2
20
5,920
125
126,4
0,6
0
151,3
0,6
0,3
425
850
3,300
1
153,7
1,2
10
6,100
2
156,2
1,4
14
8,900
150
149,2
0,7
0
173
0,7
0,2
525
1250
4,800
1
175,5
1,2
8
7,800
2
178
1,4
12
10,800

The operating pressure (Pr), quoted in the table, is the allowed pressure operating maximum at the ambient temperature.

The allowed pressure operating maximum at the temperatures, higher than the ambient temperature, is calculated according to the following formula:

Prt = Pt X kt (bar)

Temperature of Service /°C/

20
100
150
200
250

Coefficient of reduction kt

1
0.9
0.8
0.75
0.7

Example:

For pipes with only one braid, with diameter DN 50, intended for the distribution of fluids with stable flow, operative at the temperature of 150°C and in the absence of vibrations, the allowed pressure operating maximum is calculated as follows:

Prt = 25 X 0.8 = 20 bars

Order :
During the ordering, please quote : the type of pipes, the diameter nominal (LN), operating pressure, distributed fluid, the type, size and the material of the connections.

 

 
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