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Class 600 Standard Connections Flanges

Heavy Barrel "HB"

Long Weld Neck "LWN"

Equal Barrel "E"

Size  Flange  Barrel OD  Bolting  Nut  Stud Bolt  Weights     Length
NomBore LWN & EBore HBODThkRF of ODLWNHBE# ofHolesHole SizeBolt CircleStop DiaRelief DiaRelief LengthSizeRF LengthRTJ LengthLWN HB E Base
 BTDDD  CNSNRNL   BasePer  1″BasePer  1″BasePer  1″
 1/20.50.553.750.561.381.51.753.7540.622.621.751.50.751/23   3   50.470.6243.19
 3/40.750.744.620.621.691.882.194.6240.753.252.191.880.885/83 1/23 1/280.7110.9364.69
110.964.880.6922.122.444.8840.753.52.442.120.885/83 1/23 1/290.8121.1395.19
1 1/41.251.285.250.812.52.52.815.2540.753.882.812.50.885/83 3/43 3/4131151.4445.89
1 1/21.51.56.120.882.882.753.256.1240.884.53.252.7513/44 1/44 1/4161.2211.9597.89
221.946.513.623.313.946.580.7553.943.310.885/84 1/44 1/4201.5292.6678.59
2 1/22.52.327.51.124.123.944.627.580.885.884.623.9413/454 3/4272.1393.685119
332.98.251.2554.625.388.2580.886.625.384.6213/455 1/4362.7504.6104139
3 1/23.53.3691.385.55.255.819817.255.815.251.127/85 1/25 1/2453.4575116159
443.8310.751.56.1967.0610.75818.57.0661.127/85 3/46774.51137.82382212
554.81131.757.317.58.881381.1210.58.887.51.251   6 1/26 1/21237180123363212
665.76141.888.58.759.8814121.1211.59.888.751.251   6 3/471529207143733612
887.6216.52.1910.6210.7511.9416.5121.2513.7511.9410.751.381 1/87 3/4820711277194784612
10109.56202.512.7513.51520161.38171513.51.51 1/48 1/28 3/432418433306836712
121211.38222.621515.7517.2522201.3819.2517.2515.751.51 1/48 3/4939323533377797612
14141423.752.7516.251718.5623.75201.520.7518.56171.621 3/89 1/49 1/2471216313311498216
16161627318.519.521.3827201.6223.7521.3819.51.751 1/210   10 1/46382885645147110516
18181829.253.252121.523.1929.25201.7525.7523.1921.51.881 5/810 3/4117313194148162811816
202020323.5232425.9432241.7528.525.94241.881 5/811 1/211 3/491639118061192013916
24242437427.2528.2530.06372423330.0628.252.121 7/81313 1/2121049148673237617616

Dimensions are in inches. Weights are in pounds.

Class 600 Standard Connection Flange PDF (for printing).