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Threaded Orifice Class 300 Flanges

Threaded Orifice Class 300

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