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BackUp-Flgs
Back-Up Plate Flanges
Unit of Measure
Items BackUp-Flgs
1295
2 Inch (in) Tube Size Back-Up Plate Flange 		BackUp-Flgs
1296
2-1/2 Inch (in) Tube Size Back-Up Plate Flange 		BackUp-Flgs
1297
3 Inch (in) Tube Size Back-Up Plate Flange 		BackUp-Flgs
1298
3-1/2 Inch (in) Tube Size Back-Up Plate Flange 		BackUp-Flgs
1299
4 Inch (in) Tube Size Back-Up Plate Flange
Brands N/A Appelton Stainless
Pipe Size N/A 2 in N/A 2-1/2 in N/A 3 in N/A 3-1/2 in N/A 4 in
Pipe Outside Diameter (OD) N/A 6 in N/A 7 in N/A 7-1/2 in N/A 8-1/2 in N/A 9 in
Pipe Inside Diameter (ID) for Angle Face Ring (AFR) N/A 2-3/4 in N/A 3-1/4 in N/A 4 in N/A 4-5/8 in N/A 5-1/8 in
Pipe Inside Diameter (ID) for Stud End N/A 2-7/16 in N/A 2-15/16 in N/A 3-9/16 in N/A 4-1/16 in N/A 4-9/16 in
Pipe Thickness (T) N/A 1/2 in
Number of Bores (BH) for Pipe N/A 4 N/A 4 N/A 4 N/A 8 N/A 8
Bore Size (BH) for Pipe N/A 3/4 in
Dimension (BCD) for Pipe N/A 4-3/4 in N/A 5-1/2 in N/A 6 in N/A 7 in N/A 7-1/2 in
Tube Size N/A 2 in N/A 2-1/2 in N/A 3 in N/A 3-1/2 in N/A 4 in
Tube Outside Diameter (OD) N/A 6 in N/A 7 in N/A 7-1/2 in N/A 8-1/2 in N/A 9 in
Tube Inside Diameter (ID) for Angle Face Ring (AFR) N/A 2-3/8 in N/A 2-7/8 in N/A 3-5/8 in N/A 4 in N/A 4-5/8 in
Tube Inside Diameter (ID) for Stud End N/A 2-1/8 in N/A 2-5/8 in N/A 3-1/8 in N/A 3-5/8 in N/A 4-1/8 in
Tube Thickness (T) N/A 1/2 in
Number of Bores (BH) for Tube N/A 4 N/A 4 N/A 4 N/A 8 N/A 8
Bore Size (BH) for Tube N/A 3/4 in
Dimension (BCD) for Tube N/A 4-3/4 in N/A 5-1/2 in N/A 6 in N/A 7 in N/A 7-1/2 in
Material1 N/A 304L Stainless Steel 316L Stainless Steel 317L Stainless Steel Carbon Steel
Type N/A Back-Up Plate
Additional Information N/A
  • Manufactured from A57M AZ40 stainless steel plate.
  • Back-up [plate] flange is used in conjunction with an angle face ring., flat face ring, or stud end to form a "Van Stone" joint allowing the flange infinite positioning as it spins freely behind the ring/stud-end; (see back-up flange).
  • 1 Others upon request.