8.71 [Fig 321G PN16 Grooved Adaptor Flange] [FM, UL, VdS] Red LR [reshoot].jpg 8.71 [Fig 321G PN16 Grooved Adaptor Flange] [FM, UL, VdS] Galvanised.jpg

321G PN16 Grooved Adaptor Flange

  • FM Approved Logo Mid Grey 300.jpg
  • UL Logo Mid Grey.jpg
  • VdS Logo mid grey 2.jpg
  • cnbop.png
Size range DN50 to DN250 (2" to 10")
Maximum working pressure Up to 20.7 bar (300 psi)*

*depending on size and certification, please refer to Data Sheet 8.71
Material Ductile Iron
Finish Red painted or Galvanised
Approvals FM Approved, UL Listed, VdS

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
L
mm/in		 X
mm/in		 Y
mm/in		 Z
mm/in		 No-Size
mm
50
2		 60.3
2.375		 225
1.6		 65
2.559		 165
6.50		 125
4.92		 16
0.63		 4 - M12
65
76.1		 76.1
3.000		 225
1.6		 65
2.559		 185
7.28		 145
5.70		 16
0.63		 4 - M12
80
3		 88.9
3.500		 225
1.6		 65
2.559		 200
7.87		 160
6.30		 16
0.63		 8 - M16
100
4		 114.3
4.500		 225
1.6		 70
2.756		 220
8.66		 180
7.09		 16
0.63		 8 - M16
150
6		 168.3
6.625		 225
1.6		 70
2.756		 285
11.22		 240
9.45		 18
0.71		 8 - M20
200
8		 219.1
8.625		 225
1.6		 80
3.150		 340
13.39		 295
11.61		 19
0.75		 12 - M20
250
10		 273.0
10.750		 225
1.6		 85
3.346		 405
15.94		 355
13.98		 21
0.83		 12 - M24