Class 150 Forged Steel Raised Face Blind Flanges

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Class 150 Forged Steel Raised Face Blind Flanges

Class 150 Forged Steel Raised Face Blind Flanges (Series RFB) are stronger than cast flanges and are rated for use in high pressure or high temperature applications. These blind flanges comply with ANSI B16.5 and ASTM A-105 standards.

ALL DIMENSIONS ARE IN INCHES UNLESS OTHERWISE STATED
API Part NumberSizeO.D.I.D.Ø B.H.C.Ø B.H.# B.H.THKØ RFWeight Lbs
RFB00500.53.50 --2.380.63040.4401.3751.0
RFB00750.753.88 --2.750.63040.5001.6881.0
RFB010014.25 --3.130.63040.5632.0002.0
RFB01251.254.63 --3.500.63040.6302.5002.9
RFB01501.55.00 --3.880.63040.6902.8753.5
RFB020026.00 --4.750.75040.7503.6255.0
RFB02502.57.00 --5.500.75040.8804.1259.0
RFB030037.50 --6.000.75040.9405.0009.0
RFB03503.58.50 --7.000.75080.9405.50013.0
RFB040049.00 --7.500.75080.9406.18817.0
RFB0500510.00 --8.500.87580.9407.31319.7
RFB0600611.00 --9.500.87581.0008.50027.0
RFB0800813.50 --11.750.87581.13010.62543.5
RFB10001016.00 --14.251.000121.19012.75065.5
RFB12001219.00 --17.001.000121.25015.000123.0
RFB14001421.00 --18.751.125121.38016.250133.3
RFB16001623.50 --21.251.125161.44018.500180.0
RFB18001825.00 --22.751.250161.56321.000220.0
RFB20002027.50 --25.001.250201.69023.000284.0
RFB22002229.50 --27.251.375201.84025.250360.0
RFB24002432.00 --29.501.375201.88027.250445.0

Notes:
a. Dimensions and Tolerances per ANSI B16.5.
b. Flanges are painted black.
c. ASTM A-105.

Class 150 Forged Steel Raised Face Blind Flanges - per ANSI B16.5 (Series RFB) Drawing