321 PN16 Grooved Flange

Size range	DN40 to DN250 (1½" to 10")
Maximum working pressure	Up to 20.7 bar (300 psi)* *depending on size and certification, please refer to Data Sheet 8.69
Material	Ductile Iron
Finish	Red painted or Galvanised
Approvals	FM Approved, UL Listed, VdS

Finish

Sizes

Quantity

Rapidrop Grooved couplings and fittings are used in assembly of grooved piping systems. They are available in painted and galvanised finishes and are FM, UL and VdS approved. The Rapidrop type 321 PN16 grooved flanges are pressure rated to 225psi and are used where a connection to flanged pipe is required. They can be used in standard and thin walled pipes.

Sizes & Dimensions

Nominal Size mm/in	Pipe O.D mm/in	Working Pressure PSI/MPa	Dimensions					Bolt Size
Nominal Size mm/in	Pipe O.D mm/in	Working Pressure PSI/MPa	A mm/in	B mm/in	C mm/in	D mm/in	E mm/in	No Size mm
40 1½	48.3 1.900	225 1.6	195 7.68	18.5 0.73	150 5.90	110 4.33	45.4 1.78	2 - M10X50
50 2	60.3 2.375	225 1.6	220 8.66	18.5 0.73	165 6.50	125 4.92	57.5 2.26	2 - M10X50
65 76.1	76.1 3.000	225 1.6	235 9.25	18.5 0.73	185 7.28	145 5.71	72.7 2.86	2 - M10X50
80 3	88.9 3.500	225 1.6	255 10.04	18.5 0.73	195 7.68	160 6.30	85.5 3.37	2 - M10X50
100 4	114.3 4.500	225 1.6	279 10.98	18.5 0.73	224 8.82	180 7.09	110.5 4.35	2 - M10X50
125 5	139.7 5.500	225 1.6	320 12.60	23 0.91	250 9.84	210 8.27	135.5 5.33	2 - M12X65
150 6	168.3 6.625	225 1.6	346 13.62	24 0.94	280 11.00	240 9.95	164.3 6.47	2 - M12X65
200 8	219.1 8.625	225 1.6	414.3 16.31	30 1.18	340 13.39	295 11.61	214.9 8.46	2 - 3/8 x 70 2 - M10X70
250 10	273.0 10.750	225 1.6	480 18.90	25.5 1.00	405 15.94	355 13.98	268.9 10.59	2 - 3/8 x 70 2 - M10X70