Class 150 Standard Connections Flanges

Heavy Barrel

Heavy Barrel "HB"

Equal Barrel

Equal Barrel "E"

LONG WELD NECK “LWN”

LONG WELD NECK “LWN”

(Click any image above to enlarge it and lock it in place, then scroll to the bottom table for dimensions)

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).