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SJT4100

EXTERNAL PRESSURIZED EXPANSION JOINT

 

fig

Item Qty Name Standard Material Material
1 2 Standard Flange SS400
2 1 Outer Pipe CS
3 1 Guide Ring SS400
4 1 Bellow SUS316L
5 1 Drain plug (R 1/2") FCMB
6 1 Purge Connection (R 1/2") CS

• Besides the large amount of axial movement, another special feature of external pressure balanced type expansion joint is the self-draining convolutions. It can prevent any the acumination of corrosive or solid particles from building up. Liquid media can 100% drains away from the drain connection, if needed,assists by the purging.

• SUS 304 bellows and pipe are available upon requested.

 

Design Working Pressure 1.02 MPA (10 Kgf/cm² )
Design Working Temperature 200°C
Applicable Fluid Water, Hot Water, Oil, Steam, Gas, and Exhaust Air

• For steam application, it is advised using steam trap with the drain connection which eliminates the possibility of any condensate liquid "flashing" to vapor during startups.

• Shipping devices (painted yellow) must be removed prior to start-up or testing the system.

• Please consult us for other material, pressure, temperature and movement designs.


SPECIFICATION

Nominal
Diameter
A (B)
Length (L)
(mm)
Axial
Movement
±x (mm)
Effective
Cross
Section Area
(cm²)
Spring
Constant
(N/mm)
Mass
(Kg)
25 (1") 475 -45, +5 27.4 10.7 7.10
32 (1-1/4") 475 -45, +5 27.4 10.7 8.20
40 (1-1/2") 475 -45, +5 27.4 10.7 9.10
50 (2") 500 -45, +5 44.5 20.7 13.10
65 (2-1/2") 550 -45, +5 62.8 33.4 20.20
80 (3") 750 -70, +5 97.0 26.4 30.70
100 (4") 800 -95, +5 161.0 24.0 50.50
125 (5") 800 -95, +5 228.3 31.5 58.80
150 (6") 850 -95, +5 381.9 43.0 82.90
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