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Tube Fitting Reducing Union

Tube Fitting Reducing Union

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.

  • Description

    Truelok

    Ordering Number

    T

    Tube O.D.

    Tx

    Tube O.D.

    A

    D

    Dx

    E

    Minimum

    Opening

    F

    Hex Flat

    G

    Hex Flat

    Gx

    Hex Flat

    H

     

    inch

    inch

    inch

    inch

    inch

    inch

    inch

    inch

    inch

    inch

    RU-125-062

    1/8

    1/16

    1.22

    0.50

    0.34

    0.05

    7/16

    7/16

    5/16

    0.81

    RU-250-125

    1/4 

    1/8 

    1.52

    0.60

    0.50

    0.09

     1/2

    9/16 

    1/16 

    0.97

    RU-375-125

    3/8

    1/8

    1.61

    0.66

    0.50

    0.09

    5/8 

    11/16 

    7/16 

    1.06

    RU-375-250

    3/8 

    1/4 

    1.70

    0.66

    0.60

    0.19

    5/8 

    11/16 

    9/16 

    1.12

    RU-500-125

    1/2 

    1/8 

    1.78

    0.90

    0.50

    0.09

    13/16

    7/8 

    7/16 

    1.12

    RU-500-250

    1/2 

    1/4 

    1.85

    0.90

    0.60

    0.19

    13/16

    7/8 

    9/16 

    1.16

    RU-500-375

    1/2 

    3/8 

    1.91

    0.90

    0.66

    0.28

    13/16

    7/8 

    11/16 

    1.22

    RU-750-250

    3/4

    1/4

    1.93

    0.96

    0.60

    0.19

    1-1/16

    1-1/8

    9/16

    1.25

    RU-750-375

    3/4

    3/8

    2.0

    0.96

    0.66

    0.28

    1-1/16

    1-1/8

    11/16

    1.31

    RU-750-500

    3/4

    1/2

    2.11

    0.96

    0.90

    0.41

    1-1/16

    1-1/8

    7/8

    1.31

    RU-1000-500

    1

    1/2

    2.49

    1.23

    0.90

    0.41

    1-3/8

    1-1/2

    7/8

    1.61

    RU-1000-750

    1

    3/4

    2.47

    1.23

    0.96

    0.62

    1-3/8

    1-1/2

    1-1/8

    1.59

     

    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
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