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Class 150 Forged Steel Raised Face Blind Flanges

SKU: RFB Categories: ,

Class 150 Forged Steel Raised Face Blind Flanges 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.

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Dimensions: Class 150 Forged Steel Raised Face Blind Flanges

ALL DIMENSIONS ARE IN INCHES UNLESS OTHERWISE STATED
API Part Number Size O.D. I.D. Ø B.H.C. Ø B.H. # B.H. THK Ø RF Weight Lbs
RFB0050 0.5 3.50 2.38 0.630 4 0.440 1.375 1.0
RFB0075 0.75 3.88 2.75 0.630 4 0.500 1.688 1.0
RFB0100 1 4.25 3.13 0.630 4 0.563 2.000 2.0
RFB0125 1.25 4.63 3.50 0.630 4 0.630 2.500 2.9
RFB0150 1.5 5.00 3.88 0.630 4 0.690 2.875 3.5
RFB0200 2 6.00 4.75 0.750 4 0.750 3.625 5.0
RFB0250 2.5 7.00 5.50 0.750 4 0.880 4.125 9.0
RFB0300 3 7.50 6.00 0.750 4 0.940 5.000 9.0
RFB0350 3.5 8.50 7.00 0.750 8 0.940 5.500 13.0
RFB0400 4 9.00 7.50 0.750 8 0.940 6.188 17.0
RFB0500 5 10.00 8.50 0.875 8 0.940 7.313 19.7
RFB0600 6 11.00 9.50 0.875 8 1.000 8.500 27.0
RFB0800 8 13.50 11.75 0.875 8 1.130 10.625 43.5
RFB1000 10 16.00 14.25 1.000 12 1.190 12.750 65.5
RFB1200 12 19.00 17.00 1.000 12 1.250 15.000 123.0
RFB1400 14 21.00 18.75 1.125 12 1.380 16.250 133.3
RFB1600 16 23.50 21.25 1.125 16 1.440 18.500 180.0
RFB1800 18 25.00 22.75 1.250 16 1.563 21.000 220.0
RFB2000 20 27.50 25.00 1.250 20 1.690 23.000 284.0
RFB2200 22 29.50 27.25 1.375 20 1.840 25.250 360.0
RFB2400 24 32.00 29.50 1.375 20 1.880 27.250 445.0
  Notes:
  • Dimensions and Tolerances per ANSI B16.5.
  • Flanges are painted black.
  • ASTM A-105.
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