http://www.truelok.us/products/compression-tube-fittings/tube-fitting-unions-(straight)/bulkhead-union/272/100/100

Bulkhead Union pipe union bulkhead fittings are manufactured by using SS316 Bar Stock in accodance with ASTM A479 and SS316 Forging in accordance with ASTM A182 Bulkhead Union in other materials are available at customers request Bulkhead Union Compression tube fittings Truelok provide safe and reliable performance from cyrogenic temperature to high temperature upto 380 C

Bulkhead Union

Truelok

Ordering Number

T

Tube O.D.

A

Ax

C

D

E

F

Hex Flat

G

Hex Flat

H

Hx

 

inch

inch

inch

inch

inch

inch

inch

inch

inch

inch

BU-062

1/16

1.24

0.68

0.34

0.05

5/16

5/16

0.94

0.53

BU-125

 1/8

2.02

1.23

0.60

0.50

0.09

 1/2

 7/16

1.50

0.97

BU-250

 1/4

2.21

1.32

0.70

0.60

0.19

 5/8

 9/16

1.69

1.03

BU-375

 3/8

2.45

1.45

0.76

0.66

0.28

 3/4

 11/16

1.87

1.16

BU-500

1/2 

2.80

1.65

0.86

0.90

0.41

15/16

 7/8

2.00

1.25

BU-750

3/4

3.11

1.86

0.86

0.95

0.62

1-3/16

1-1/8

2.30

1.46

BU-1000

1

3.77

2.25

1.03

1.22

0.88

1-5/8

1-1/2

2.80

1.77

 

Material:
Truelok standard Compression Tube Fittings are manufactured by using SS316 Bar Stock in accodance with ASTM A-479 and SS316 Forging in accordance with ASTM A-182. Fittings in other materials are available at customer's request.

Operating Temperature:
Truelok Compression Tube Fittings provide safe and reliable performance from cyrogenic temperature to high temperature upto 380 °C.

Working Pressure:
The maximum working pressure of standard Compression Tube Fittings when used in conjunction with annealed SS316 seamless tubing per ASTM A-213 or equivalent is shown below:

Tube O.D.
(inch)

Wall Thickness (inch)
0.020 0.028 0.035 0.049 0.065 0.083
1/8" 6863 9967 12641      
1/4"   4600 5891 8602 11688  
3/8"     3777 5460 7571  
1/2"     2768 3976 5423 7162