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Class 150 Standard Connections Flanges

Heavy Barrel "HB"

Equal Barrel "E"

LONG WELD NECK “LWN”

CLASS 150 – STANDARD CONNECTION SPECIFICATIONS

SizeFlangeBarrel ODBoltingNutStud BoltWeightsLength
NomBore LWN & EBore HBODThk.RF of ODLWNHBE# of HolesHole SizeBolt CircleStop DiaRelief DiaRelief LengthSizeRF LengthRTJ LengthLWNHBEBase
BTDDDCNSNRNLBasePer  1″BasePer 1″BasePer  1″
 1/20.50.553.50.441.381.251.53.540.622.381.51.250.751/2 2 1/42 3/430.350.4212.79
 3/40.750.743.880.51.691.621.883.8840.622.751.881.620.751/2 2 1/2350.570.7273.29
110.964.250.56222.254.2540.623.122.2520.751/2 2 1/2370.7100.9303.89
1 1/41.251.284.620.622.52.382.624.6240.623.52.622.380.751/2 2 3/43 1/4100.9121.2364.49
1 1/21.51.550.692.882.623540.623.8832.620.751/2 2 3/43 1/4121161.5415.19
221.9460.753.623.063.69640.754.753.693.060.885/8 3 1/43 3/4151.2232.2577.19
2 1/22.52.3270.884.123.754.44740.755.54.443.750.885/8 3 1/24221.7343.279109
332.97.50.9454.254.947.540.7564.944.250.885/8 3 1/24 1/4252383.686119
3 1/23.53.368.50.945.54.885.948.580.7575.944.880.885/8 3 1/24 1/4322.6555.3110139
443.8390.946.195.56.44980.757.56.445.50.885/8 3 1/24 1/4473.27861641412
554.81100.947.316.507.251080.888.57.256.5013/4 3 3/44 1/2573.8876.501891712
665.761118.57.758.251180.889.58.257.7513/4 44 1/2755.41037.82161912
887.6213.51.1210.629.7510.513.580.8811.7510.59.7513/4 4 1/44 3/41026.9157112922612
10109.56161.1912.751212.811612114.2512.81121.127/8 4 3/45 1/41439.8214163823512
121211.38191.251514.3815.56191211715.5614.381.127/8 4 3/45 1/220514329255354812
141414211.3816.251617.1221121.1218.7517.12161.2515 1/4621113296225855512
16161623.51.4418.51819.6223.5161.1221.2519.62181.2515 1/2624615388297146612
181818251.56212020.9425161.2522.7520.94201.381  1/866 1/227017362257116712
20202027.51.69232223.1927.5201.252523.19221.381  1/86 1/4731119434318407912
242424321.8827.2526.2527.532201.3829.527.526.251.51  1/477 3/44232557440104610012

Dimensions are in inches. Weights are in pounds.

Class 150 Standard Connection Flange PDF (for printing).