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Class 900WN FLANGES

Special One or Two Piece Ring and Orifice Plate Assembly - Groove Detail

Ring Type Joint Weld Neck Orifice Flanges Class 400 - 2500

Raised Face Weld Neck Orifice Flanges Class 400 - 2500

DrillingRing Type Joint
Nom  SizeODThicknessOD of RFDia at BaseDia BevelLTHDia of Pressure ConnectionBolt CircleHole Dia# of holesBolt DiaGrove #Pitch DiaGroove DepthGroove WidthRad at BottomSpec Oval RH
OCRXAYTTPEFr maxW
in39.51.5553.54 3/87.518 7/8R314.8750.3120.4690.031.06
mm241.338.112712788.9101.69.5190.525.422.2123.8257.92511.9130.826.9
in411.51.756.196.254.54.5 1/29.251.2581 1/8R375.8750.3120.4690.031.06
mm292.144.5157.2158.8114.3114.312.723531.828.6149.2257.92511.9130.826.9
in6152.198.59.256.635.5 1/212.51.25121 1/8R458.3120.3120.4690.031.06
mm38155.6215.9235168.4139.712.7317.531.828.6211.1257.92511.9130.826.9
in818.52.510.6211.758.636.38 1/215.51.5121 3/8R4910.6250.3120.4690.031.06
mm469.963.5269.7298.5219.2162.112.7393.738.134.9269.8757.92511.9130.826.9
in1021.52.7512.7514.510.757.25 1/218.51.5161 3/8R5312.750.3120.4690.031.06
mm546.169.9323.9368.3273.1184.212.7469.938.134.9323.8507.92511.9130.826.9
in12243.121516.512.757.88 1/2211.5201 3/8R57150.3120.4690.031.06
mm609.679.2381419.1323.9200.212.7533.438.134.9381.0007.92511.9130.826.9
in1425.253.3816.2517.75148.38 1/2221.62201 1/2
mm641.485.9412.8450.9355.6212.912.7558.841.138.1
in1627.753.518.520168.5 1/224.31.75201 5/8
mm704.988.9469.9508406.4215.912.761644.541.3
in183142122.25189 1/2272201 7/8
mm787.4101.6533.4565.2457.2228.612.7685.850.847.6
in2033.754.252324.5209.75 1/229.52.12202
mm857.3108584.2622.3508247.712.7749.353.850.8
in24415.527.2529.52411.5 1/235.52.62202 1/2
mm1041.4139.7692.2749.3609.6292.112.7901.766.563.5

(1) Bore diameter to be specified by purchaser
(2) Other NPT and SW connections available upon request.
Welding Neck Orifice Class 900 Flange PDF (for printing).