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Stainless Steel Back-Up Flanges

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Stainless Steel Back-Up Flanges

Light Weight Pattern
150# Drilling
Type 304/304L and 316/316L
Back-up Flanges (Type "BEV")
Slip-on Flanges (Type "STD")
Dimensions in Inches

Nominal
Pipe
Size
Outside
Diameter
(OD)
Inside
Diameter
(ID)
Thickness
(T)
Bolt
Circle
(BC)
Hole
Diameter
No. of
Bolt
Holes
45 Degree
Bevel
(B)
Approx.
Weight
(lbs)
Drilling Pattern #150
2 6.00 2.44 0.500 4.75 0.750 4 0.250 3.1
3 7.50 3.57 0.500 6.00 0.750 4 0.250 4.6
4 9.00 4.57 0.500 7.50 0.750 8 0.250 6.2
6 11.00 6.72 0.500 9.50 0.875 8 0.250 7.8
8 13.50 8.72 0.500 11.75 0.875 8 0.250 11.2
10 16.00 10.88 0.500 14.25 1.000 12 0.250 14.0
12 19.00 12.88 0.500 17.00 1.000 12 0.250 20.4

Sizes listed are normal CAB stock items. Larger sizes and specials on application.

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