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Class 1500WN 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
in15.881.522.061.323.25 1/4414 7/8R1620.250.3440.031
mm149.438.150.852.333.582.66.4101.625.422.250.86.358.7380.825.4
in1 1/271.52.882.751.93.5 1/44.881.1241R202.6880.250.3440.031
mm177.838.173.269.948.388.96.412428.425.468.2756.358.7380.825.4
in28.51.53.624.122.384 1/46.518 7/8R243.750.3120.4690.031.06
mm215.938.191.9104.660.5101.66.4165.125.422.295.257.92511.9130.826.9
in2 1/29.621.624.124.882.884.12 1/47.51.1281R274.250.3120.4690.031.06
mm244.341.1104.612473.2104.66.4190.528.425.4107.9507.92511.9130.826.9
in310.51.8855.253.54.62 3/881.2581 1/8R355.3750.3120.4690.031.06
mm266.747.8127133.488.9117.39.5203.231.828.6136.5257.92511.9130.826.9
in412.252.126.196.384.54.88 1/29.51.3881 1/4R396.3750.3120.4690.031.06
mm311.253.8157.2162.1114.312412.7241.335.131.8161.9257.92511.9130.826.9
in615.53.258.596.636.75 1/212.51.5121 3/8R468.3120.3750.5310.061.12
mm393.782.6215.9228.6168.4171.512.7317.538.134.9211.1259.52513.4871.528.4
in8193.6210.6211.58.638.38 1/215.51.75121 5/8
mm482.691.9269.7292.1219.2212.912.7393.744.541.3
in10234.2512.7514.510.7510 1/2192121 7/8
mm584.2108323.9368.3273.125412.7482.650.847.6
in1226.54.881517.7512.7511.12 1/222.52.12162
mm673.1124381450.9323.9282.412.7571.553.850.8
in1429.55.2516.2519.51411.75 1/2252.38162 1/4
mm749.3133.4412.8495.3355.6298.512.763560.557.2
in1632.55.7518.521.751612.25 1/227.82.6162 1/2
mm825.5146.1469.9552.1406.4311.212.7704.966.563.5
in18366.382123.51812.88 1/230.52.88162 3/4
mm914.4162.1533.4596.9457.2327.212.7774.773.269.9
in2038.7572325.252014 1/232.753.12163
mm984.3177.8584.2641.4508355.612.7831.979.276.2
in2446827.25302416 1/2393.62163 1/2
mm1168.4203.2692.2762609.6406.412.7990.691.988.9

(1) Bore diameter to be specified by purchaser
(2) Other NPT and SW connections available upon request.
Welding Neck Orifice Class 1500 Flange PDF (for printing).