UNI Flanges

UNI weld neck Flange, UNI Series 900 Threaded Flanges, UNI PN6 Socket Weld Flanges, UNI Plate Flange, UNI Series 400 slip on Flanges Supplier, UNI Spectacle blind Flanges Manufacturer in India.

UNI Flanges are a type of flange system used in Europe and are designed to comply with the standards set by the Italian national standards organization, UNI (Ente Nazionale Italiano di Unificazione). UNI Flanges come in various sizes and types, and they are commonly used in applications that involve connecting pipes, valves, and other equipment.

UNI Flanges typically have a raised face or flat face, and they can be made from various materials such as carbon steel, stainless steel, and alloy steel. The most common types of UNI Flanges include slip-on, weld neck, blind, threaded, lap joint, and socket weld flanges.

The dimensions of UNI Flanges are specified in the UNI standard, which covers both metric and imperial sizes. The standard also specifies the material, design, and pressure ratings for UNI Flanges.

When selecting UNI Flanges, it is important to consider factors such as the pressure and temperature of the application, the material of the flange and the pipe, and the type of connection required. It is also essential to ensure that the flange is compatible with the other components in the system to ensure proper installation and operation.

UNI Flanges Supplier

Suppliers of UNI Welding Neck Flange, UNI Ring Type Joint Orifice Flange, Ready Stock of UNI PN10 Socket Weld Flange, UNI Series 900 Blind Flanges, Check Sizes And Dimensions Of UNI Forged Flanges.

UNI Flange Specifications

Size Range

1/2" (15 NB) to 48" (1200NB) DN10~DN5000

Class / Pressure Rating

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Standards / Dimensions

ANSI/ASME B16.5, B16.36, B16.48, BS4504, BS 10, EN-1092, DIN, BS, GOST, MSS SP-44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605

Connection Type

Ring Joint Flange (RTJ), Flat Face Flange (FF), Raised Face Flange (RF), Male and Female Flange (M & F), Lap Joint Flange, Large and Small Tongue-and-Groove Flange (T & G)

UNI Flanges Dimensions & Weight

UNI 2253 PN6 Threaded Flange Dimensions & WeightUNI 2254 PN16 Threaded Flange Dimensions & Weight
UNI 6092 PN10 Blind Flange Dimensions & WeightUNI 6093 PN16 Blind Flange Dimensions & Weight
UNI 2277 PN10 Plate Flange Dimensions & WeightUNI 2278 PN16 Plate Flange Dimensions & Weight
UNI 2281 PN10 Welding Neck Flange Dimensions & WeightUNI 2282 PN16 Welding Neck Flange Dimensions & Weight
UNI 2283 PN25 Welding Neck Flange Dimensions & Weight
UNI 2253 PN6 THREADED FLANGE DIMENSIONS AND TECHNICAL DRAWING
UNI 2253 PN6 THREADED FLANGE
Uni 2253 Pn6 Threaded Flange Dimensions
FlangesNeckRaised face (RF)ScrewsWeight in kg
(7,85 Kg/dm3)
Rated
Dia.
d1ThreadDbkh1d3d4fNumberThreadd2Kilogram
1521,3R 1/280125520304024M 10110,373
2026,9R 3/490146524405024M 10110,59
2533,7R 1100147524506024M 10110,743
3242,4R 1 1/4120149026607024M 12141,05
4048,3R 1 1/21301410026708034M 12141,2
5060,3R 21401411028809034M 12141,37
6576,1R 2 1/2160141303210011034M 12141,92
8088,9R 3190161503411012834M 16182,82
100114,3R 4210161703813014834M 16183,19
125139,7R 5240182004016017838M 16184,47
150165,1R 6265182254418520238M 16185,3
UNI 2254 PN16 THREADED FLANGE DIMENSIONS AND TECHNICAL DRAWING
UNI 2254 PN16 THREADED FLANGE
UNI 2254 Pn16 Threaded Flange Dimensions
Rated Dia.d1FlangesNeckRaised face (rf)ScrewsWeight in kg (7,85 Kg/dm3)
ThreadDbkh1d3d4fNumberThreadd2Kilogram
1521,3R 1/295146520354524M 12140,613
2026,9R 3/4105167524455824M 12140,91
2533,7R 1115168524526824M 12141,1
3242,4R 1 1/41401610026607824M 16181,6
4048,3R 1 1/21501611026708834M 16181,78
5060,3R 216518125288510234M 16182,43
6576,1R 2 1/2185181453210512234M 16183,18
8088,9R 3200201603411813838M 16184,12
100114,3R 4220201803814015838M 16184,47
125139,7R 5250222104016818838M 16186,13
150165,1R 6285222404419521238M 20227,92

Find the largest ready stock of UNI PN16 Flanges,UNI Series 1300 RF Flanges Supplier, Check Availability of UNI Threaded Flanges, UNI Flange Price List, UNI Reducing Flanges Stockist, UNI Slip On Flanges Dealer, UNI Forged Flanges in Mumbai, India.

UNI 6092 PN10 BLIND DIMENSIONS AND TECHNICAL DRAWING
UNI 6092 PN10 BLIND DIMENSIONS AND TECHNICAL DRAWING
UNI 6092 pn10 blind flange dimensions
Rated Dia.abDfNo. of holesThread of the screwsWeight in Kilogram
15651495144M 120,71
207516105144M 121,01
258516115144M 121,22
3210016140184M 161,80
4011016150184M 162,09
5012518165184M 162,87
6514518185184M 163,65
8016020200184M 164,61
10018020220188M 165,65
12521022250188M 168,12
15024022285228M 2010,5
17527024315228M 2014,1
20029524340228M 2016,5
250350263952212M 2024,1
300400264452212M 2030,8
350460265052216M 2039,6
400515265652516M 2249,6
450565266152520M 2258,6
500620286702520M 2275,3
UNI 6093 PN16 BLIND DIMENSIONS AND TECHNICAL DRAWING
UNI 6093 Pn16 Blind Flange Dimensions
Rated Dia.abDfNo. of holesThread of the screwsWeight in Kilogram
15651495144M 120,71
207516105144M 121,01
258516115144M 121,22
3210016140184M 161,80
4011016150184M 162,09
5012518165184M 162,87
6514518185184M 163,65
8016020200188**M 164,61
10018020220188M 165,65
12521022250188M 168,12
15024022285228M 2010,5
17527024315228M 2014,1
200295243402212M 2016,2
250355264052512M 2225,1
300410284602512M 2235,2
350470305202516M 2248,2
400525325803016M 2763,5
450585326403020M 2777,2
500650347153320M 30102
UNI 2277 PN10 PLATE DIMENSIONS AND TECHNICAL DRAWING
UNI 2277 Pn 10 Plate Flange
Designation Directionsd1abDfHolesscrewsWeight in Kg
Rated
Dia.
External dia.
of the pipe
NominalDimensional ToleranceKilogram
152020,5+0,5651295144M 120,67
21,3220,66
202525,57514105144M 120,83
26,927,50,82
253030,58514115144M 121,03
33,7341,01
323838,510016140184M 161,66
42,4431,63
4044,54511016150184M 161,89
48,3491,85
50575812518165184M 162,51
60,361,52,46
6576,17714518185184M 163,00
8088,99016020200184M 163,61
100108109+1,018022220188M 164,60
114,3115,54,40
125133134,521024250188M 166,19
139,71415,92
150159160,524024285228M 207,63
168,31707,17
175193,7195,527026315228M 209,16
200219,122129526340228M 2010,1
250267269350283952212M 2013,4
27327512,9
300323,9326400284452212M 2214,8
350355,6358460305052216M 2022,0
368370,520,4
400406,4409+1,5515325652516M 2228,0
41942225,9
450457,2460,2±5565326152520M 2233,3
500508511620346702520M 2240,3
600609,6612,6725367803020M 2753,0
UNI 2278 PN16 PLATE DIMENSIONS AND TECHNICAL DRAWING
UNI 2278 PN16 Plate Flange Dimensions
Designation Directionsd1abDfHolescrewWeight In Kg
Rated
Dia.
External dia.
of the pipe
NominalDimensional ToleranceKilogram
152020,5+0,5651295144M 120,67
21,3220,66
202525,57514105144M 120,83
26,927,50,82
253030,58514115144M 121,03
33,7341,01
323838,510016140184M 161,66
42,4431,63
4044,54511016150184M 161,89
48,3491,85
50575812518165184M 162,51
60,361,52,46
6576,17714518185184M 163,00
8088,99016020200188**M 163,61
100108109+1,018022220188M 164,60
114,3115,54,40
125133134,521024250188M 166,19
139,71415,92
150159160,524024285228M 207,63
168,31707,17
175193,7195,527026315228M 209,16
200219,1221295263402212M 209,77
250267269355324052512M 2216,6
27327516,0
300323,9326410324602512M 2219,3
350355,6358470365202516M 2229,4
368370,527,3
400406,4409+1,5525385803016M 2736,5
41942233,9
UNI 2281 PN10 WELDING NECK DIMENSIONS AND TECHNICAL DRAWING
Uni 2281 Pn10 Weld Neck Flange Dimensions
Designation Directionsd1abDfhh1mrsHoleScrewWeight In KG
Rated
Dia.
External dia.
of the pipe
Kilogram
152021651495143563042,54M 120,73
21,322,5320,73
2025267516105143863842,54M 121,03
26,928401,03
2530318516115143864242,84M 121,24
33,734,5451,23
323839100161401840652634M 161,82
42,443,5561,80
4044,545,5110161501842760634M 162,10
48,349,5642,08
50575812518165184587263,54M 162,81
60,361,5752,78
6576,177145181851845109063,54M 163,40
8088,9901602020018501010583,78**M 164,20
1001081091802022018521212583,78M 164,90
114,3115,51314,75
12513313421022250185512150848M 166,70
139,71411566,45
150159161240222852255121751058M 208,30
168,3170,51848,00
175193,7195,5270243152260122101058M 2010,3
200219,1221295243402262162351058M 2011,4
25026726935026395226816285125,512M 2015,6
27327529215,2
300323,93264002644522681634412612M 2018,0
350355,6357,546026505226816385126,416M 2024,5
36837022,5
400406,4408,55152656525721644012716M 2230,2
41942127,8
450457,245956526615257216478127,320M 2232,3
50050851062028670257516542127,320M 2240,4
600609,6611,572528780308018642127,320M 2750,0
700711,27158403089530801874512924M 2766,4
800812,881795032101533901885012924M 3089,3
900914,4918105034111533952095012928M 30104
1000101610201160341230369520105216928M 33121
120012201224138038145539115251255161032M 36 x 3180
140014201424159042167542120251460161136M 39 x 3248
160016201624182046191548130251665161240M 45 x 3352
180018201824202050211548140301868161344M 45 x 3433
200020202024223054232548150302072161448M 45 x 3543
UNI 2282 PN16 WELDING NECK DIMENSIONS AND TECHNICAL DRAWING
UNI 2282 Pn16 Weld Neck Flange Dimensions
Designation Directionsd1abDfhh1mrsHoleScrewWeight In KG
Rated
Dia.
External dia.
of the pipe
Kilogram
152021651495143563042,54M 120,73
21,322,5320,73
2025267516105143863842,54M 121,03
26,928401,03
2530318516115143864242,84M 121,24
33,734,5451,23
323839100161401840652634M 161,82
42,443,5561,80
4044,545,5110161501842760634M 162,10
48,349,5642,08
50575812518165184587263,54M 162,81
60,361,5752,78
6576,177145181851845109063,54M 163,40
8088,9901602020018501010583,78**M 164,20
1001081091802022018521212583,78M 164,90
114,3115,51314,75
12513313421022250185512150848M 166,70
139,71411566,45
150159161240222852255121751058M 208,30
168,3170,51848,00
175193,7195,5270243152260122101058M 2010,3
200219,12212952434022621623510512M 2011,1
25026726935526405257016285125,512M 2216,7
27327529216,3
300323,93264102846025781634412612M 2221,8
350355,6357,547030520258216390126,416M 2231,7
36837029,2
400406,4408,55253258030851644512716M 2738,3
41942137,0
450457,245958532640308516485127,320M 2745,4
50050851065034715339016548127,320M 3061,1
600609,6611,577036840369518652127,320M 3384,6
700711,271584036910391001875512924M 3387,4
800812,8817950381025391052085512924M 36 x 3109
900914,491810504011254211020955121028M 36 x 3129
100010161020117042125548120221058161228M 39 x 3175
120012201224139048148548130301262161432M 45 x 3257
140014201424159052168548145301465161636M 45 x 3337
160016201624182058193056160351668161740M 52 x 3481
180018201824202062213056170351870161944M 52 x 3591
200020202024223066234562180402072162148M 56 x 4727
UNI 2283 PN25 WELDING NECK DIMENSIONS AND TECHNICAL DRAWING
UNI 2283 Pn25 Weld Neck Flange Dimensions
Designation Directionsd1abDfhh1mrsHoleScrewWeight In KG
Rated
Dia.
External dia.
of the pipe
Kilogram
152021651695143863042,54M 120,83
21,322,5320,83
2025267518105144063842,54M 121,15
26,928401,15
2530318518115144064242,84M 121,39
33,734,5461,38
323839100181401842652634M 162,03
42,443,5562,01
4044,545,5110181501845760634M 162,35
48,349,5642,33
50575812520165184887263,54M 163,11
60,361,5753.08
6576,177145221851852109063,58M 163,95
8088,9901602420018581210583,78M 164,98
1001081091902423522651212883,78M 206,85
114,3115,51346,70
12513313422026270256812155848M 229,42
139,71411629,20
150159161250283002575121821058M 2212,4
168,3170,519212,0
175193,7195,52802833025751521810512M 2213,6
200219,12213103036025801624410512M 2216,8
25026726937032425308818292125,512M 2723,8
27327529823,3
300323,93264303448530921835212616M 2730,5
350355,6357,5490385553310020398126,416M 3047,6
36837044,5
400406,4408,5550406203611020452127,316M 3362,1
41942158,3
450457,245960040670361152049212820M 3367,8
50050851066044730361252055812820M 3388,8
600609,6611,577046845391252066012820M 36 x 3114
700711,2715875469604212520760121024M 39 x 3138
800812,88179905010854813522865121124M 45 x 3185
900914,491810905411854814524968121228M 45 x 3224
100010161020121058132056155241070161328M 52 x 3293

UNI Flanges Summary Chart

DescriptionRated Pressure / Presión Nominal / Nenndruck (in bar) (1 bar = 14.5 psi)
12.561016254064100160250320400
DIN
Blind Flanges609160926093609460956096609760986099
Flat flange for welding (slip-on)22762277227860836084
Welding neck flanges2280228122822283228422852286
Lapped flanges, Plain collars608860896090 
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 neck22532254
Long neck welding flanges
Hubbed slip-on flanges for welding

UNI Flanges Dimensions

Directions for the designationd1abDfHolesScrewsWeight*
Kg
Rated
Diameter
External diameter
of the pipe
NominalTolerance
152020,5+0,5551080114M 100,34
21,3220,33
202525,5651290114M 100,51
26,927,50,50
253030,57512100114M 100,63
33,7340,61
323838,59014120144M 121,09
42,4431,05
4044,54510014130144M 121,26
48,3491,23
50575811014140144M 121,38
60,361,51,35
6576,17713014160144M 121,68
8088,99015016190184M 162,63
100108109+1,017016210184***M 163,05
114,3115,52,92
125133134,520018240188M 164,11
139,71413,90
150159160,522520265188M 165,16
168,31704,78
175193,7195,525522295188M 166,27
200219,122128022320188M 166,91
250267269335243751812M 169,53
2732759,04
300323,9326395244402212M 2012,1
350355,6358445264902212M 2017,0
368370,515,6
400406,4409+1,5495285402216M 2020,1
41942218,3
450457,2460,2±5550285952216M 2025,8
500508511600306452220M 2030,0
600609,6612,6705307552520M 2237,9
700711,2714,2810328602524M 2247,9
800812,8815,8920349753024M 2762,9
900914,4917,410203610753024M 2774,6
10001016101911203611753028M 2781,9
* 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.

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UNI Flanges Applications

Australia, Afghanistan, Algeria, Angola, Argentina, Armenia, Azerbaijan, Bahrain, Bangladesh, Benin,
Bhutan, Botswana, Brazil, Brunei, Burkina Faso, Cambodia, Cameroon, Canada, Central Africa Republic,
Chad, Chile, Colombia, Cuba, Cyprus, DRC, Djibouti, Egypt, Equatorial Guinea, Eritrea, Eswatini,
Ethiopia, Fiji, Finland, France, Georgia, Germany, Ghana, Greece, Hungary, Iceland, Indonesia, Iran,
Iraq, Ireland, Israel, Italy, Japan, Jordan, Kazakhstan, Kenya, Kuwait, Kyrgyzstan, Laos, Lebanon,
Lesotho, Liberia, Libya, Lithuania, Madagascar, Malawi, Malaysia, Maldives, Mali, Mexico, Morocco,
Mozambique, Mauritania, Myanmar, Namibia, Nepal, Netherlands, New Zealand, Nigeria, Norway, Oman,
Panama, Peru, Philippines, Poland, Portugal, Palestine, Qatar, Russia, Rwanda, Romania, Saudi Arabia,
Senegal, Sierra Leone, Singapore, Slovakia, Somalia, South Africa, South Korea, South Sudan, Spain,
Sri Lanka, Sweden, Switzerland, Syria, Taiwan, Tajikistan, Tanzania, Tasmania, Thailand, The Gambia,
Timor-Leste, Togo, Tunisia, Turkey, Turkiye, Turkmenistan, Uganda, Uzbekistan, United Arab Emirates (UAE),
United Kingdom (UK), United States (US), Venezuela, Vietnam, Yemen, Zambia, Zimbabwe

Abu Dhabi, Amsterdam, Abuja, Accra, Addis Ababa, Ahmedabad, Algiers, Amman, Ankara, Antananarivo,
Ashgabat, Asmara, Astana, Athens, Baghdad, Baku, Bamako, Bandar Seri Begawan, Bangkok, Bangui,
Banjul, Beirut, Bengaluru, Berlin, Bishkek, Bloemfontein, Bogotá, Bern, Brasília, Bratislava,
Bucharest, Budapest, Buenos Aires, Cairo, Canberra, Cape Town, Caracas, Chennai, Coimbatore, Dakar,
Damascus, Dhaka, Dili, Djibouti city, Dodoma, Doha, Dublin, Dushanbe, Freetown, Gaborone, Ghaziabad,
Guwahati, Hanoi, Harare, Havana, Helsinki, Hobart, Hyderabad, Indore, Jaipur, Jakarta, Jerusalem,
Juba, Jurong East, Kabul, Kampala, Kanpur, Kathmandu, Kigali, Kinshasa, Kochi, Kolkata, Kuala Lumpur,
Kuwait City, Lisbon, Lilongwe, Lima, Lobamba, Lomé, London, Luanda, Lucknow, Lusaka, Malabo, Madrid,
Malé, Mexico City, Manama, Moscow, Manila, Maputo, Maseru, Mbabane, Mogadishu, Monrovia, Mumabi,
Muscat, Nagpur, Nairobi, New Delhi, Niamey, Nicosia, Noida, Nouakchott, N’Djamena, Oslo, Ottawa,
Ouagadougou, Panama City, Paris, Patna, Phnom Penh, Porto-Novo, Pretoria, Pune, Rabat, Reykjavík,
Riyadh, Rome, Sana’a, Santiago, Sri Jayawardenepura Kotte, Stockholm, Seoul, Singapore, Surat,
Suva, Taipei City, Tashkent, Tokyo, Tbilisi, Tehran, Thimphu, Tripoli, Tunis, Vientiane, Vilnius,
Visakhapatnam, Warsaw, Washington D.C., Wellington, Windhoek, Yaoundé, Yerevan, Naypyidaw

UNI Flanges Price

Omaa Metal Sources is UNI Flanges Exporters and Suppliers in the US, UK, South Africa, Saudi Arabia, Singapore, UAE, Oman, South Korea, Turkey, Bahrain, Malaysia, Philippines, Thailand, Norway, Indonesia, Iraq, Yemen, Bangladesh, Nigeria, Egypt, Peru, Ghana, Morocco, Etc.

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