Hebei Haihao High Pressure Flange Pipe Fitting Group Co.,Ltd
UNI 2282 PN16 Flange Weld Neck

UNI 2282 PN16 Flange Weld Neck

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UNI 2282 PN16 Flange Weld Neck

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Uni 2282 PN16 flanges are designed for situations where problems that may arise in prefabricated piping systems need to be eliminated.  UNI flanges eliminate the need to rely on off-site manufacturers and machine shops.Different alloy grades can be used to manufacture of Uni standard flanges, such as alloy steel, carbon steel, stainless steel, duplex and super duplex steel, as well as nickel and copper steel. The materials used to produce these UNI flanges along with the PN will depend on the type of application the components will be used for.

UNI 2282 PN16 WELD NECK RF FLANGE

UNI 2282 PN16 WELD NECK RF FLANGE

UNI 2282 PN16 WELD NECK RF FLANGE

UNI 2282 PN16 WELD NECK RF FLANGE

UNI 2282 PN16 WELD NECK RF FLANGE

Dimensions & Masses UNI 2282 PN16 FLANGE WNRF
ITALIAN STANDARDS UNI 2282 WELD NECK FLANGE RF PN 16
Directions for the designation d1 a b D f h h1 m r s Holes Screws Weight*
Rated
Diameter		 External diameter
of the pipe		 Kg
15 20 21 65 14 95 14 35 6 30 4 2,5 4 M 12 0,73
21,3 22,5 32 0,73
20 25 26 75 16 105 14 38 6 38 4 2,5 4 M 12 1,03
26,9 28 40 1,03
25 30 31 85 16 115 14 38 6 42 4 2,8 4 M 12 1,24
33,7 34,5 45 1,23
32 38 39 100 16 140 18 40 6 52 6 3 4 M 16 1,82
42,4 43,5 56 1,80
40 44,5 45,5 110 16 150 18 42 7 60 6 3 4 M 16 2,10
48,3 49,5 64 2,08
50 57 58 125 18 165 18 45 8 72 6 3,5 4 M 16 2,81
60,3 61,5 75 2,78
65 76,1 77 145 18 185 18 45 10 90 6 3,5 4 M 16 3,40
80 88,9 90 160 20 200 18 50 10 105 8 3,7 8** M 16 4,20
100 108 109 180 20 220 18 52 12 125 8 3,7 8 M 16 4,90
114,3 115,5 131 4,75
125 133 134 210 22 250 18 55 12 150 8 4 8 M 16 6,70
139,7 141 156 6,45
150 159 161 240 22 285 22 55 12 175 10 5 8 M 20 8,30
168,3 170,5 184 8,00
175 193,7 195,5 270 24 315 22 60 12 210 10 5 8 M 20 10,3
200 219,1 221 295 24 340 22 62 16 235 10 5 12 M 20 11,1
250 267 269 355 26 405 25 70 16 285 12 5,5 12 M 22 16,7
273 275 292 16,3
300 323,9 326 410 28 460 25 78 16 344 12 6 12 M 22 21,8
350 355,6 357,5 470 30 520 25 82 16 390 12 6,4 16 M 22 31,7
368 370 29,2
400 406,4 408,5 525 32 580 30 85 16 445 12 7 16 M 27 38,3
419 421 37,0
450 457,2 459 585 32 640 30 85 16 485 12 7,3 20 M 27 45,4
500 508 510 650 34 715 33 90 16 548 12 7,3 20 M 30 61,1
600 609,6 611,5 770 36 840 36 95 18 652 12 7,3 20 M 33 84,6
700 711,2 715 840 36 910 39 100 18 755 12 9 24 M 33 87,4
800 812,8 817 950 38 1025 39 105 20 855 12 9 24 M 36 x 3 109
900 914,4 918 1050 40 1125 42 110 20 955 12 10 28 M 36 x 3 129
1000 1016 1020 1170 42 1255 48 120 22 1058 16 12 28 M 39 x 3 175
1200 1220 1224 1390 48 1485 48 130 30 1262 16 14 32 M 45 x 3 257
1400 1420 1424 1590 52 1685 48 145 30 1465 16 16 36 M 45 x 3 337
1600 1620 1624 1820 58 1930 56 160 35 1668 16 17 40 M 52 x 3 481
1800 1820 1824 2020 62 2130 56 170 35 1870 16 19 44 M 52 x 3 591
2000 2020 2024 2230 66 2345 62 180 40 2072 16 21 48 M 56 x 4 727
*
The weight is approximate and calculated on base 7.85 Kg/dm3
**
For PN10 the flange should have 4 holes

The connection types for UNI flanges include flat face,lap joint face,raised face, ring type joint,male and female face,tongue and groove face.  When selecting a flange for any application, there are several aspects to consider, such as cost, pressure ratings, the material used to make the flange and the setup it will be used for.  For example, Uni PN10 carbon steel flanges, while a cheaper alternative to stainless steel, have lower corrosion resistance and mechanical strength than grade 316 stainless steel.

UNI flange are widely used in Marine, gas, oil field, water systems, shipbuilding, electric power, pipeline engineering and other industries.

As a professional flange manufacturer, we can also provide other international standard flanges, such as ANSI/ASME flange, BS flange, DIN flange, EN flange, JIS flange, Gost flange and so on.  If you want to purchase forged flange, please contact us.Email:sales@haihaogroup.com

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