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Bulkhead Reducing Union

Bulkhead Reducing Union

Material:
Truelok standard Compression Tube Fittings Bulkhead Reducing 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 Fittings Bulkhead Reducing Unions 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 Reducing 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.

    Tx

    Tube O.D.

    		 A Ax C D

    E

    Minimum Opening

    F

    Hex Flat

    		 H Hx
      inch inch inch inch inch inch inch inch inch inch
    RBU-250-125 1/4  1/8  2.17 1.32 0.50 0.60 0.19 5/8  1.74 1.03
    RBU-375-250 3/8  1/4  2.39 1.45 0.60 0.66 0.19 3/4  1.81 1.16
    RBU-500-250 1/2  1/4  2.63 1.65 0.60 0.90 0.19 15/16 1.94

    1.25
    RBU-500-375 1/2 3/8 2.71 1.66 0.60 0.90 0.19 15/16 2.00

    1.25
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