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Metal Bellows Data Information

All Data is for standard applications at room temperature. Please contact our sales engineering if your application criteria are not listed in the table below.

Material: 321SS and 316LSS

Additional Material available upon request.

Additional nominal inside dimensions and wall thickness are available. Please contact our sales engineering.

CVI Thin Wall Bellows Specs

Diameter
(inches)
Nom I.D.
(inches)
Nom O.D.
(inches)
Thickness
inches
Pitch
(inches)
WORKING
PRESSURE
70 deg F
Static
Bend
Radius
70 deg F
(inches)
0.75 0.795 1.12 0.006 0.138 VAC 1.2
1 0.992 1.39 0.006 0.146 VAC 1.5
1.5 1.484 2.13 0.006 0.18 VAC 1.75
2 1.96 2.57 0.006 0.19 VAC 2.25
2.5 2.45 3.15 0.006 0.22 VAC 2.75
3 3.074 3.97 0.008 0.295 VAC 3
4 3.948 4.97 0.008 0.315 VAC 3.5
6 5.854 6.9 0.010 0.452 VAC 5.25
8 8 9.29 .012 0.35 VAC CALL FOR SPECS
10 10 11.25 .012 0.35 VAC CALL FOR SPECS
12 12 13.25 .016 0.44 VAC CALL FOR SPECS

1) Axial Deflextion approximately +15% and -25% of Live Length. 2) Lateral deflection approximately 10% of Live Length.

CVI Flex Hose Medium Wall Specs

      STATIC DYNAMIC      
Nominal
Hose
ID
(inches)
Nominal
Hose
OD
(inches)
Thickness
(inches)
Minimum
Bend
Radius
(Inches)
Maximum
Working
Pressure
70 deg F
(PSIG)
Minimum
Bend
Radius
(Inches)
Maximum
Working
Pressure
70 deg F
(PSIG)
Burst
Pressure
70 deg F
(PSIG)
1/4" 0.39 0.008 0.35 390 N/A N/A N/A
1/4" w/Braid 0.45 0.75 4800 5.5 2030 8700
3/8" 0.63 0.008 0.55 170 N/A N/A N/A
3/8" w/Braid 0.7 1.14 3700 6 1450 6600
1/2" 0.73 0.008 0.83 130 N/A N/A N/A
1/2" w/Braid 0.79 1.34 2900 4.88 1160 4600
.75" 1.11 0.008 1.26 32 N/A N/A N/A
.75" w/Braid 1.18 2.09 1400 6.65 700 3100
1" 1.37 0.008 1.46 25 N/A N/A N/A
1" w/Braid 1.43 2.52 970 7.68 580 2300
1.5" 2.06 0.01 2.16 15 N/A N/A N/A
1.5" w/Braid 2.14 3.86 880 10.04 480 1800
2" 2.55 0.012 2.6 13 N/A N/A N/A
2" w/Braid 2.65 4.75 920 11.54 480 1800
2.5" 3.19 0.012 3.15 10 N/A N/A N/A
2.5" w/Braid 3.28 5.9 623 13.58 360 1400
3" 3.89 0.016 6 8 N/A N/A N/A
3" w/Braid 4.01 7.5 280 16 290 1300
4" 4.83 0.016 10 5 N/A N/A N/A
4" w/Braid 5.03 10 250 20 210 870
6" 6.99 0.018 15 3 N/A N/A N/A
6" w/Braid 7.15 15 220 32 200 630

CVI Flex Hose Thick Wall Specs

      STATIC DYNAMIC      
Nominal
Hose
ID
(Inches)
Nominal
Hose
OD
(inches)
Thickness
(inches)
Minimum
Bend
Radius
(Inches)
Maximum
Working
Pressure
70 deg F
(PSIG)
Minimum
Bend
Radius
(Inches)
Maximum
Working
Pressure
70 deg F
(PSIG)
Burst
Pressure
70 deg F
(PSIG)
.75" 1.04 0.01 4 50 N/A N/A N/A
.75" w/Braid 1.1 4 800 6 700 3200
1" 1.34 0.012 4.5 50 N/A N/A N/A
1" w/Braid 1.42 4.5 750 7 580 3000
1.5" 1.89 0.015 4.5 20 N/A N/A N/A
1.5" w/Braid 1.95 4.5 565 12 480 2260
2" 2.47 0.015 5 16 N/A N/A N/A
2" w/Braid 2.58 5 500 13 480 2000
2.5" 3.33 0.016 5 10 N/A N/A N/A
2.5" w/Braid 3.45 5 400 13 360 1600
3" 3.89 0.016 6 8 N/A N/A N/A
3" w/Braid 4.01 7.5 280 16 290 1300
4" 4.83 0.016 10 5 N/A N/A N/A
4" w/Braid 5.03 10 250 20 210 870
6" 6.99 0.018 15 3 N/A N/A N/A
6" w/Braid 7.15 15 220 32 200 630