Page 3 - BuTech - Tools and installation
P. 3

MEDIUM PRESSURE CONNECTIONS


                                                B
                                                                                                B




                                           60˚
                         D   E                           A THREAD                                                     A
                                                                                            59˚              C
                                                                                                                   L.H. THREAD

                            WEEP HOLE


                                             C


                    Connection A Thread  B       C       D        E                  Connection A Thread*  B      C
                                        0.28"   0.50"   0.19"  0.109"                                    0.34"  0.140"
                     1/4" M/P  7/16"-20                                               1/4" M/P  1/4"-28
                                        (7.1)   (12.7)  (4.8)   (2.8)                                    (8.6)   (3.6)
                                        0.38"   0.62"   0.31"  0.203"                                    0.44"  0.250"
                     3/8" M/P  9/16"-18                                               3/8" M/P  3/8"-24
                                        (9.7)   (15.7)  (7.9)   (5.2)                                    (11.2)  (6.4)
                                        0.44"   0.75"   0.50"  0.312"                                    0.50"  0.406"
                    9/16" M/P 13/16"-16                                              9/16" M/P  9/16"-18
                                        (11.2)  (19.1)  (12.7)  (7.9)                                    (12.7)  (10.3)
                               3/4"-14  0.50"   0.94"   0.62"  0.437"                                    0.62"  0.562"
                     3/4" M/P                                                         3/4" M/P  3/4"-16
                               NPSM     (12.7)  (23.9)  (15.7)  (11.1)                                   (15.7)  (14.3)
                                        0.81"   1.31"   0.88"  0.562"                                    0.78"  0.718"
                      1" M/P  1-3/8"-12                                               1" M/P    1"-14
                                        (20.6)  (33.3)  (22.4)  (14.3)                                   (19.8)  (18.2)



                                 Collar
                                                   Gland





                                                    Tube





                   Assembly Procedure
                                                                                                       Engagement   Required
                   1. Slip gland nut onto tubing or nipple.
                                                                                             Tube Size  Allowance   Torque
                   2. Screw collar onto threaded end of tubing or nipple. Allow one or                   0.55"     20 lb-ft
                                                                                               1/4"
                      two threads to be exposed on tubing or nipple between collar and                   (14.0)     27 Nm
                      coned tubing.                                                                      0.69"     30 lb-ft
                                                                                               3/8"
                   3. Lubricate male threads of gland nut with a non-hardening lubricant                 (17.5)     41 Nm
                                                                                                         0.84"     55 lb-ft
                      suitable for use on stainless steel. Lubricant chosen should also be     9/16"
                                                                                                         (21.3)     75 Nm
                      compatible with working temperature requirements.
                                                                                                         1.01"     90 lb-ft
                   4. Insert tubing into female connection of valve or fitting. Screw gland    3/4"      (25.7)    122 Nm
                      into connection until finger-tight.                                                1.47"     125 lb-ft
                                                                                                1"
                   5. Tighten gland nut to torque value shown at right which corresponds                 (37.3)    170 Nm
                      to connection size being assembled.



                                           All dimensions are for reference only and are subject to change without notice.
                   T-09                              Dimensions in parentheses are millimeters (mm).
                                                                Page T-3
                            2121 EBCO Drive, Suite 1  •  Erie, PA 16506 USA  •  Ph: (814) 833-4904  •  Fax: (814) 833-2612  •  E-mail: hq@butech-valve.com
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