Convoluted Backup Rings – 24″ to 66″ – IMPROVED PIPING PRODUCTS. INC. : Makers of the Deltaflex Pipe Flange

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Convoluted Backup Rings – 24″ to 66″

BUP-SDR Convoluted Deltaflex® Backup Ring - 24" to 66"

SPECIFICATIONS

Material Designation:

Ductile Iron, ASTM A536, 65/45/12

Meets Requirements:

Class 150, mates with ANSI B16.5, B16.47, and AWWA C207

Notes:

Also available in epoxy and galvanized

Download Submittal Request a Quote

Ongoing engineering design efforts may affect the technical information listed in our publications.Please click “Download Submittal” above to view product information and dimensions.

Dimensions

Backup Ring -24-66-Dimensions

Pipe Diameter (in)	SDR	O.D.	T	I.D.	Bolt Count	Bolt Hole Size (H)	Bolt Hole Circle (BC)	R	Weight (lbs)	Pressure Class (PC)	FM APPROVED
24"	7	32.000	2.500	24.375	20	1.375	29.500	0.310	103.200	335	FM(250psi)
24"	9	32.000	2.130	24.375	20	1.375	29.500	0.310	91.000	250	FM(250psi)
24"	11	32.000	2.170	24.375	20	1.375	29.500	0.400	73.000	200	FM(200psi)
24"	17	32.000	1.950	24.375	20	1.375	29.500	0.400	58.900	125	N/A
26"	7	34.250	2.530	26.380	24	1.375	31.750	0.310	113.800	335	FM(250psi)
26"	11	34.250	2.380	26.380	24	1.375	31.750	0.310	106.000	200	FM(200psi)
26"	17	34.250	2.000	26.380	24	1.375	31.750	0.250	80.400	125	N/A
28"	9	36.500	2.600	28.380	28	1.375	34.000	0.310	123.576	250	N/A
28"	11	36.500	2.500	28.380	28	1.375	34.000	0.310	116.000	200	FM(200psi)
28"	17	36.500	2.300	28.380	28	1.375	34.000	0.500	103.700	125	N/A
30"	9	38.750	2.800	30.380	28	1.375	36.000	0.310	142.013	250	N/A
30"	11	38.750	2.600	30.380	28	1.375	36.000	0.310	123.000	200	FM(200psi)
30"	17	38.750	2.280	30.380	28	1.375	36.000	0.310	112.600	125	N/A
30"	26	38.750	2.060	30.380	28	1.375	36.000	0.250	105.610	80	N/A
32"	9	41.750	3.000	32.380	28	1.630	38.500	0.310	174.272	250	N/A
32"	11	41.750	2.750	32.380	28	1.630	38.500	0.320	156.000	200	FM(200psi)
32"	26	41.750	2.120	32.380	28	1.630	38.500	0.500	138.000	80	N/A
34"	11	43.750	2.930	34.380	32	1.630	40.500	0.310	197.000	200	FM(200psi)
34"	26	43.750	2.140	34.380	32	1.630	40.500	0.310	136.700	80	N/A
34"	17	43.750	2.440	34.380	32	1.630	40.500	0.310	188.000	125	N/A
36"	9	46.000	3.800	36.380	32	1.630	42.750	0.310	323.000	250	N/A
36"	11	46.000	3.030	36.380	32	1.630	42.750	0.310	214.000	200	FM(200psi)
36"	17	46.000	2.750	36.380	32	1.630	42.750	0.310	170.300	125	N/A
36"	26	46.000	2.500	36.380	32	1.630	42.750	0.310	160.500	80	N/A
40"	11	50.750	4.060	40.500	36	1.630	47.250	0.320	480.000	200	N/A
42"	11	53.000	4.060	42.380	36	1.630	49.500	0.310	445.400	200	N/A
42"	13	53.000	3.660	42.380	36	1.630	49.500	0.310	430.000	160	N/A
42"	21	53.000	3.000	42.380	36	1.630	49.500	0.310	297.000	100	N/A
42"	39	53.000	2.260	42.380	36	1.630	49.500	0.310	253.000	50	N/A
48"	11	59.500	4.530	48.500	44	1.630	56.000	0.250	620.200	200	N/A
48"	17	59.500	3.940	48.500	44	1.630	56.000	0.250	497.400	125	N/A
48"	26	59.500	3.500	48.500	44	1.630	56.000	0.250	332.500	80	N/A
48"	51	59.500	2.400	48.500	44	1.630	56.000	0.250	234.000	40	N/A
54"	17	66.250	4.000	54.620	44	1.880	62.750	0.190	674.000	125	N/A
54"	19	66.250	4.330	54.620	44	1.880	62.750	0.190	694.000	110	N/A
54"	26	66.250	3.750	54.620	44	1.880	62.750	0.190	453.800	80	N/A
54"	51	66.250	2.570	54.620	44	1.880	62.750	0.190	375.000	40	N/A
63/60"	26	73.000	2.800	64.000	52	1.880	69.250	0.200	349.900	80	N/A
63/60"	17	73.000	3.150	64.000	52	1.880	69.250	0.200	413.000	125	N/A
63/66"	7	80.000	4.240	64.000	52	1.880	76.000	0.250	776.000	335	N/A

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