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Bulkhead Union

Bulkhead Union

Material:
Truelok standard Tube Fittings Bulkhead Unions 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.

  • Description

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

     

    Working Pressure:
    The maximum working pressure of standard compression type tube fittings bulkhead union 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

     

    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
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