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Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.


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MSS SP-97 Reducing Weldolet


Weldolet is the most common of all branch connections, and is welded onto the outlet pipe. The ends are bevelled to facilitate this process, and therefore the weldolet is considered a butt-weld fitting. Weldolet’s are designed to minimize stress concentrations and provide integral reinforcement.

pressure NPS A B C
STD 1/2″ 19.05 34.93 23.81
STD 3/4″ 22.23 44.45 30.16
STD 1″ 26.99 53.98 36.51
STD 1 1/4″ 31.75 65.09 44.45
STD 1 1/2″ 33.34 73 50.8
STD 2″ 38.1 88.9 65.09
STD 2 1/2″ 41.28 103.19 76.2
STD 3″ 44.45 122.24 93.66
STD 3 1/2″ 47.63 142.88 101.6
STD 4″ 50.8 152.4 120.65
STD 5″ 57.15 179.39 141.29
STD 6″ 60.3 215.9 169.86
STD 8″ 69.85 263.53 220.66
STD 10″ 77.79 322.26 274.64
STD 12″ 85.73 377.83 325.44
STD 14″ 88.9 409.58 357.19
STD 16″ 93.66 463.55 407.99
STD 18″ 96.84 520.7 458.79
STD 20″ 101.6 571.5 508
STD 24″ 115.89 688.98 614.36
XS 1/2″ 19.05 34.93 23.81
XS 3/4″ 22.23 44.45 30.16
XS 1″ 26.99 53.98 36.51
XS 1 1/4″ 31.75 65.09 44.45
XS 1 1/2″ 33.34 73 50.8
XS 2″ 38.1 88.9 65.09
XS 2 1/2″ 41.28 103.19 76.2
XS 3″ 44.45 122.24 93.66
XS 3 1/2″ 47.63 136.53 101.6
XS 4″ 50.8 152.4 120.65
XS 5″ 57.15 179.39 141.29
XS 6″ 77.79 225.43 169.86
XS 8″ 98.43 292.1 220.66
XS 10″ 93.66 323.9 265.11
XS 12″ 103.19 379.41 317.5
XS 14″ 100.01 431.8 350.84
XS 16″ 106.36 466.73 403.23
XS 18″ 111.13 517.53 439.74
XS 20″ 119.06 582.61 509.59
XS 24″ 139.7 708.03 614.36

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Related Tags: Butt Weld Pipe Fittings (46)  MSS SP-97 (4)  Olet (6)  

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