Flange UNI 2276 PN6, Flange UNI PN 40.

  • Flange UNI PN6, Flange UNI PN40

Flange UNI PN6 Sizes, Flange UNI 2253 PN6 Dimension.

Standard Specification For Flange UNI PN6, Flange UNI PN40

Size 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Pressure Rate 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Facing Types Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Lap-Joint Face (LJF), Large Male-Female (LMF), Small Male-Female (SMF), Large Tongue & Groove, Small Tongue, Groove
Value Added Services Antirust Paint, Oil Black Paint, Yellow Transparent, Zinc Forgedd, Cold and Hot Dip Galvanized
Dimensions ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Production Technique Forged, Heat Treated and Machined
Manufacturers of Flange UNI PN6, Flange UNI PN40s
  • Raccortubi S.P.A., Italy
  • Erne Fittings, Austria
  • Melesi, Italy
  • Mega, Italy
  • Ulma, Spain
  • TecnoForge, Italy
  • BENKAN Corporation, Japan
  • BKL- Thai Benkan, Thailand
  • Lame S.R.l., Italy
  • Metal Far, Italy
ANSI ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
DIN DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
BS BS4504 , BS4504, BS1560, BS10
JIS 5K, 10K, 16K 20K, 30K, 40K, 63K
Test Direct-reading Spectrograph,Hydrostatic testing machine,X-ray detector,UI trasonic flaw detector,Magnetic particle detector
Origin West Europe / Japan / Indian / USA / Korean
Equipments Press Machine, Bending Machine, Pushing Machine, Electric Bevelling Machine, Sand-Blasting Machine, etc.

UNI PN6 - PN40 Flange Material

Stainless Steel UNI PN6 - PN40 Flange : 
ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L

Duplex & Super Duplex Steel UNI PN6 - PN40 Flange : 
ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61

Carbon Steel UNI PN6 - PN40 Flange : 
ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F706

Low Temperature Carbon Steel Slip on Flanges : ASTM A350, LF2, LF3

Alloy Steel UNI PN6 - PN40 Flange : 
ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91

Copper Alloy Steel UNI PN6 - PN40 Flange : ASTM SB 61 , SB62 , SB151 , SB152 UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200

Nickel UNI PN6 - PN40 Flange : 
Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201)

Monel Alloy UNI PN6 - PN40 Flange : 
Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500)

Special Alloy UNI PN6 - PN40 Flange : 
Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Hastelloy B2, Alloy 20 (UNS No. N08020)

UNI Flange Technical Data Chart Diameters & UNI Flange Summary Chart

The main products of UNI standards include:

(1) UNI2276 PN6, UNI2277 PN10, UNI2278 PN16, UNI6083 PN25, UNI6084 PN40, Plate Flange, Slip On Flange, C22.8, RST37.2, S235JR Carbon Steel, DN15-DN2000.

(2) UNI6091 PN6, UNI6092 PN10, UNI6093 PN16, UNI6094 PN25, UNI6095 PN40, Blind Flange, Blank Flange, C22.8, RST37.2, S235JR Carbon Steel, DN15-DN2000.

(3) UNI2280 PN6, UNI2281 PN10, UNI2282 PN16, UNI2283 PN25, UNI2284 PN40, Weld Neck Flange, WNRF Flange, C22.8, RST37.2, S235JR Carbon Steel, DN15-DN1000.

(4) UNI2253 PN6, UNI2254 PN16, Threaded Flange, THR Flange, Screwed Flange, C22.8, RST37.2, S235JR Carbon Steel, DN15-DN150.

(5) UNI6088 PN6, UNI6089 PN10, UNI6090 PN16, Loose Flange, Lapped Flange, C22.8, RST37.2, S235JR Carbon Steel, DN15-DN1000.

Description Rated Pressure / Presión Nominal / Nenndruck (in bar) (1 bar = 14.5 psi)
1 2.5 6 10 16 25 40 64 100 160 250 320 400
DIN
 Blind Flanges 6091 6092 6093 6094 6095 6096 6097 6098 6099
 Flat flange for welding (slip-on)
2276 2277 2278 6083 6084
 Welding neck flanges
2280 2281 2282 2283 2284 2285 2286
 Lapped flanges, Plain collars
6088 6089 6090 
 Loose flanges and rings for welding
 Loose flanges and rings with neck for welding
 Oval plain threaded flanges
 Oval flanges, with neck threaded
 Threaded flanges with neck
2253 2254
 Long neck welding flanges    
 Hubbed slip-on flanges for welding

UNI 2276 PN6 PLATE FLANGE DIMENSION

ITALIAN STANDARDS UNI 2276 PLATE FLANGE PN 6
Directions for the designation d1 a b D f Holes Screws Weight*
Kg
Rated
Diameter
External diameter
of the pipe
Nominal Tolerance
15 20 20,5 +0,5 55 10 80 11 4 M 10 0,34
21,3 22 0,33
20 25 25,5 65 12 90 11 4 M 10 0,51
26,9 27,5 0,50
25 30 30,5 75 12 100 11 4 M 10 0,63
33,7 34 0,61
32 38 38,5 90 14 120 14 4 M 12 1,09
42,4 43 1,05
40 44,5 45 100 14 130 14 4 M 12 1,26
48,3 49 1,23
50 57 58 110 14 140 14 4 M 12 1,38
60,3 61,5 1,35
65 76,1 77 130 14 160 14 4 M 12 1,68
80 88,9 90 150 16 190 18 4 M 16 2,63
100 108 109 +1,0 170 16 210 18 4*** M 16 3,05
114,3 115,5 2,92
125 133 134,5 200 18 240 18 8 M 16 4,11
139,7 141 3,90
150 159 160,5 225 20 265 18 8 M 16 5,16
168,3 170 4,78
175 193,7 195,5 255 22 295 18 8 M 16 6,27
200 219,1 221 280 22 320 18 8 M 16 6,91
250 267 269 335 24 375 18 12 M 16 9,53
273 275 9,04
300 323,9 326 395 24 440 22 12 M 20 12,1
350 355,6 358 445 26 490 22 12 M 20 17,0
368 370,5 15,6
400 406,4 409 +1,5 495 28 540 22 16 M 20 20,1
419 422 18,3
450 457,2 460,2 ±5 550 28 595 22 16 M 20 25,8
500 508 511 600 30 645 22 20 M 20 30,0
600 609,6 612,6 705 30 755 25 20 M 22 37,9
700 711,2 714,2 810 32 860 25 24 M 22 47,9
800 812,8 815,8 920 34 975 30 24 M 27 62,9
900 914,4 917,4 1020 36 1075 30 24 M 27 74,6
1000 1016 1019 1120 36 1175 30 28 M 27 81,9

The weight is approximate and calculated on base 7.85 Kg/dm3 
Raw hole to be worked again according to the real external diameter of the pipe 
For oil piping the flange should have 8 holes O.D. = outside diameter PCD = bolt circle diameter PN = nominal pressure in bars 
Note: (1 bar = 14.5 psi = 0.1 MPa = 100 KPa = 1.02 Kgf/cm²)

UNI PN6 - PN40 Flange Application Industries
  • Air Pollution Control- Scrubbers for Coal-Fired Power Plants
  • Seawater Cooling Devices
  • Architectural railings
  • Wiring In Electrostatic Precipitators
  • Oil Refinery
  • Gas Scrubbing Plants
  • Pulp and Paper Processing Industries
  • Acetic, Phosphoric and Sulphuric Acid Processing Plants
  • Oil and Gas Production - offshore process equipment Offshore, sea water technology, chemical industry, good stability against reducing acids of medium strength like sulphuric acid and phosphoric acid and various chloric media, refinery, paper industry, pulp industry
Properties of UNI PN6 - PN40 Flange
  • Excellent corrosion resistance in a wide range of atmospheric environments
  • Good oxidation resistance in intermittent service to 870°C and in continuous service to 925°C
  • Good resistance to carbide precipitation
  • Good machining properties
  • higher strength at elevated temperatures
  • Excellent weldability with and without filler metals
UNI PN6 - PN40 Flange Delivery Time
  • Malaysia = 15 to 18 Days
  • Indonesia = 20 to 25 Days
  • UK = 30 to 40 Days
  • Thailand = 15 to 20 Days
  • US = 40 to 60 Days
  • Germany = 30 to 40 Days
  • Philippines = 30 to 40 Days
  • For All Gulf Countries = 10 to 15 Days
  • For All European Countries = 30 to 40 Days
Our Global Market