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Hubei Futelong

Products

F4 compensator (expansion joint)

Use range:Used to eliminate pipeline, container or equipment due to climate change caused by stretching or for other reasons which led to the expansion or displacement; as a slow vibration sensor, installed in the pump or other high-frequency mechanical import and export both ends to reduce or eliminate vibration; used to absorb the design and actual installation of the deviation.


Excellent performance:Solve metal compensator compensate poor, and poor corrosion resistance, reduce business costs, improve production efficiency: working and reliable. Compact body and strong ability to compensate and improve the life of the pipeline.

Common F4 compensator
Inside nominal diameter :DN25-1600mm
Fatigue time :≥500 times
Using temperature:≤200°C
Steel liner F4 compensator
Inside nominal diameter :DN25-1600mm
Fatigue time :≥10000 times
Using temperature:≤200°C
 
Complex sets of F4 MV network compensator
Inside nominal diameter :DN25-1600mm
Fatigue time :≥10000 times
Using temperature:≤200°C
F4-resistant vacuum compensator
Inside nominal diameter :DN25-1000mm
Fatigue time :≥10000 times
Using temperature:≤200°C
Length:L=100-180mm
 
 

 

Design Spec Face to face Flange ends Testand inspection Marking Supply
HG/T3985-2007 enterprise standard HG/T20592-2009 HG/T3985-2009 HG/T3985-2009 HG/T3985-2009

 

Main component material

No.
Name of parts
Gary cast iron
Cast stel
Stainless acid
resistant cast steel
Stainless acid
resistant cast steel
Z
C
P
R
PL
RL
1
sylphon bellowssBellows
Stainless steel
2
Flange
Carbon steel,Stainless steel
3
Boll
Carbon steel,Stainless steel
4
Nut
Carbon steel,Stainless steel
5
Lined
Fluoro plastic

 

F4 compensator(expansion joint) specification

( DN)

(wave)
Length
(mm)
Allow compensation
( ±△×)
(mm)
Radial deflection
b
( mm)
Rotation angleа
( degree)
Pressure
Negative pressure resistance
Positive pressure
A
B
DN15
3
70
8
6
20
-0.1
0.4
1.0
DN20
3
70
10
6
20
-0.1
0.4
1.0
DN25
3
80
12
8
20
-0.1
0.3
0.8
DN32
3
80
14
12
20
-0.1
0.3
0.8
DN40
3
85
17
15
25
-0.1
0.3
0.8
DN50
3
95
20
20
25
-0.1
0.2
0.6
DN65
3
110
22
23
30
-0.1
0.2
0.6
DN80
3
115
24
24
30
-0.1
0.2
0.6
DN110
3
120
26
25
30
-0.1
0.1
0.6
DN112
3
130
29
25
30
-0.1
0.1
0.5
DN115
3
140
32
20
25
-0.1
0.1
0.5
DN220
3
150
40
20
25
-0.1
0.06
0.5
DN250
3
160
40
12
15
-0.1
0.06
0.25
DN300
3
180
40
12
10
-0.1
0.06
0.25

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