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Threaded Orifice Class 300 Flanges

Threaded Orifice Class 300

Drilling
Nom SizeODThicknessOD of RFDia at BaseLTHOD of Counter BoreCounter Bore Depth         (from face)Dia of    Pressure ConnectionBolt CircleHole Dia# of HolesBolt Dia
OCRXYQb(2)Qf(3)FGTT
in.14.881.522.121.881.411.31.440.75 1/43.50.694    5/8
mm.12438.150.853.847.835.83336.619.16.488.917.515.9
in.1 1/26.121.52.882.751.881.991.891.470.72 1/44.50.814    3/4
mm.155.438.173.269.947.850.54837.318.36.4114.320.619.1
in.26.51.53.623.311.942.52.361.50.69 1/450.698    5/8
mm.165.138.191.984.149.363.559.938.117.56.412717.515.9
in.2 1/27.51.54.123.94232.841.750.56 1/45.880.818    3/4
mm.190.538.1104.6100.150.876.272.144.514.26.4149.420.619.1
in.38.251.554.622.063.633.461.810.56 3/86.620.818    3/4
mm.209.638.1127117.352.392.287.94614.29.5168.120.619.1
in.4101.56.195.752.124.634.451.880.56 1/27.880.818    3/4
mm.25438.1157.2146.153.8117.611347.814.212.7200.220.619.1
in.612.51.58.58.122.126.756.571.880.31 1/210.620.8812    3/4
mm.317.538.1215.9206.253.8171.5166.947.87.912.7269.722.419.1
in.8151.6210.6210.252.448.758.552.190.44 1/213112    7/8
mm.38141.1269.7260.462222.3217.255.611.212.7330.225.422.2

(1) Other NPT and SW connections available upon request.
(2) Qb counterbore back.
(3) Qf counterbore face.
Welding Neck Orifice Class 300 Threaded Flange PDF (for printing).