Backing Flange ASME B16.47 / ANSI B16.5, Backing Ring Flange

Name: Omaa Forged - Industrial Flanges and Round Bars
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Backing Flange Manufacturers and Suppliers in India, ANSI B16.5 Backing Flange, ASME B16.47 Backing Flange Dimensions, MSS SP-44 Backing Ring Flange Supplier, Backup Flange Manufacturer

Backing Ring Flanges, Backing Flanges, and Backup Flanges are all different terms used to describe the same type of flange. These flanges are used to reinforce and support flanged connections in piping systems.

A backing ring flange is a ring-shaped component that is installed between two flanges in a pipeline. It is typically made of a material that is compatible with the pipe and flange materials, such as carbon steel, stainless steel, or PVC. The purpose of a backing ring flange is to provide additional support to the joint and prevent the flange from deforming or breaking under high pressure or temperature.

The terms “backing flange” and “backup flange” are also commonly used to refer to this type of flange, although they may be used in slightly different contexts. For example, a backing flange may be used to describe a flange that is installed on the backside of a piping component, while a backup flange may be used to describe a flange that is used as a backup or replacement for a damaged flange.

Regardless of the terminology used, these types of flanges are an important component in many piping systems and are used in a variety of industries, including oil and gas, chemical processing, and water treatment.

Backing Flange ASME B16.47 / ANSI B16.5, Backing Ring Flange

Specifications Material Grades Dimensions Chart Applications

ASTM A105 Backing Flange, Carbon Steel Backing Flanges, Galvanized Backing Flange, Inconel 600 Backing Flange, MSS SP-44 Backing Flange, Titanium Backing Flanges, EN 1092-2 PN16 Backing Ring Flanges Exporter, Backup Flanges NPS, Sch 80 Schedule 40 Stainless Steel 304, 304L, 316, 316L, and 904L Backing Flange, Series A & B Backing Flanges, DIN 86029 PN10 Backing Flange, Backing Forged Flange at the Lowest Prices.

Backing Flange Specifications

Size Range

1/2″ (15 NB) to 48″ (1200NB)

Class / Pressure Rating

150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.

Standards / Dimensions

ANSI/ASME B16.5, B16.47 Series A & B, B16.48, JIS B2220, BS 4504, BS 10, BS1560-3.1, EN-1092, DIN, AS, GOST, MSS SP-44, ISO 70051, API7S-15, API7S-43, API605, AWWA, DIN

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)

Material Standards

ASTM A105, ASTM A350, ASTM A182, ASTM A216, ASTM A352, ASTM A217, ASTM A515, ASTM A516, ASTM A203, A204, ASTM A387, ASTM A240, ASTM A694 Backing/ Backing Ring Flange

Backing / Backing Ring /Backup Flange Materials & Grades

ASTM A182 Backing Flange
Stainless Steel 304, 304L, 316, 316L, 316H, 316Ti, 310, 310S, 317, 317L, 321, 347, 347H, 904L, SMO 254/6Mo, Duplex Steel-S31803/S32205, Super Duplex-S32750/S32760 F51, F52, F53, F54, F55, F57, F59, F60, F61, Alloy Steel F1, F5, F9, F11, F12, F22, F91

ASTM B564 Backing Flange
Incoloy 800, 800H, 800HT, 825, 925, Inconel 600, 601, 625, 718, 783, 690, X750, Nickel 200, 201, 205, 205LC, Hastelloy C276, C22, C4, C2000, B2, B3, X, Monel 400, 500

ASTM A105 / A105N / A350 LF2 / A694 Backing Flange
Carbon Steel F52, F56, F60, F65, F70, F80

ASTM B247 Backing Flange
Aluminium 7075, 5086, 6082, 3003, 5083, 6061, 1100

ASTM B61 / B62 / B151 / B152 Backing Flange
Copper Nickel 90/10 (C70600 ), 70/30 (C71500), UNS C71640

ASTM B381 Backing Flange
Titanium Grade 1, Grade 2, Grade 3, Grade 4, Grade 5, Grade 6, Grade 7, Grade 9, Grade 12

Find the largest ready stock of Backing Flange, ASME B16.47/ANSI B16.5 Backing Flange, Series A & B Backing Flange Manufacturers, EN 1092-1 Backing Flange, Class 300, 600, 900, 1500 Backing Flange Manufacturer, PN10 Backing Flange, Pn6, Pn10, Pn16, Pn25, Pn40, Backing Flange Pn40, Din 2633 Backing Flange, Asme B16.5 Class 300, Backing Ring Flange, ANSI B16.48 Class 150 Backing Ring Flange, ANSI B16.5 Class 150 BS-4504 Backing Flange, ANSI 16.5 Backup Flange in Mumbai, India.

ANSI/ASME B16.5 Backing Flange Dimensions

ANSI/ASME/ASA B16.48 Backing / Backing Ring Flanges Dimensions

Dimension	OD-D	ID-A	Thickness-T	PCD-K	Bolt Holes and Diam	Bolt Size	Weight
63	150	78	11	114	4×18	M16	1.01
75	165	92	11	127	4×18	M16	1.20
90	185	108	11	146	4×18	M16	1.45
110	215	128	13	178	4×18	M16	2.30
125	215	135	13	178	8×18	M16	2.00
160	280	178	13	235	8×18	M16	3.50
180	280	188	13	235	8×18	M16	6.30
200	335	235	19	292	8×18	M16	6.00
225/200*	335	240	19	292	8×18	M16	6.20
225	370	238	19	324	8×18	M16	8.90
250	405	288	19	356	8×22	M20	8.80
280	405	294	19	356	8×22	M20	8.20
315	455	338	23	406	12×22	M20	11.70
355	525	376	30	470	12×26	M24	23.40
400	580	430	30	521	12×26	M24	26.50
450	640	470	30	584	12×26	M24	31.70
500	705	533	38	641	16×26	M24	47.40
630	825	645	48	756	16×30	M27	68.30
710	910	740	56	845	20×30	M27	88.00
800	1060	843	56	984	20×36	M33	137.00
900	1175	947	66	1092	24×36	M33	184.00
1000	1255	1050	66	1175	24×36	M33	178.00

ANSI/ASME B16.47 Galvanised Backing Flange Dimension

Size Pipe	Overall	Internal	PCD	Thick	Thick	Hole	No of	Approx.
NB	Dia.	Dia.		ness	ness	Dia.	Holes	Wgt
Tube				Standard	86037
(mm)	mm	mm						(Kg)
20 / 25	102	33	73	6	16	14	4	0.67
25 / 30	114	40	83	7	16	14	4	0.85
32 / 38	121	48	87	8	16	14	4	0.90
40 / 44.5	133	54.5	98	9	16	14	4	1.13
50 / 57	152	69	114	10	16	17.5	4	1.44
65 / 76	165	88	127	10	16	17.5	4	1.51
80 / 89	184	101	146	11	18	17.5	4	1.97
100 / 108	216	120	178	13	18	17.5	8	2.54
125 / 133	254	145.5	210	13	18	17.5	8	2.58
150 /159	279	171.5	235	17	18	22	8	4.39
200 / 219	337	232	292	19	20	22	8	7.39
250 / 267	406	280	356	22	22	22	12	11.57
300 /324	457	341	406	25	24	26	12	14.37

ANSI/ASME B16.5 PN16 Table D/E Backing Ring Flange Dimension

Inch n.b	mm o.d.	nominal	pcd (P)	od (A)	thickness (B)	bolt (L)	no. bolts	Approx Wt. (kg)
1/2″	20	15	65	95	7	1/2″	4	0.25
3/4″	25	20	73	102	7	1/2″	4	0.35
1″	32	25	83	114	8	1/2″	4	0.45
11/4″	40	32	87	121	8	1/2″	4	0.70
11/2″	50	40	98	133	8	1/2″	4	0.85
2″	63	50	114	152	8	5/8″	4	1.00
21/2″	75	65	127	165	8	5/8″	4	1.15
3″	90	80	146	184	10	5/8″	4	1.30
4″	110	100	178	216	12	5/8″	8	1.70
5″	140	125	210	254	12	5/8″	8	2.20
6″	160	150	235	279	12	3/4″	8	2.45
8″	225	200	292	337	12	3/4″	8	3.10
10″	280	250	356	406	15	3/4″	12	5.45
12″	315	300	406	457	20	7/8″	12	9.60
14″	355	350	470	527	20	7/8″	12	12.80
16″	400	400	521	578	22	1″	12	18.10

Ductile Iron Backup Flange Dimension

Nominal Size	Inside Diameter – AFR (ID)	Inside Diameter – IPS (ID)	Outside Diameter (OD)	Thiickness (T)	Bolt Circle (BC)	Diameter Of Holes	No. of Bolt Holes	45 Degree Bevel (B)	Weight Each (lbs)
1⁄2		0.90	3.50	0.50	2.38	0.625	4	0.250	1.0
3⁄4		1.11	3.88	0.50	2.75	0.625	4	0.250	1.4
1	1.75	1.38	4.25	0.50	3.13	0.625	4	0.250	1.7
11⁄4	2.00	1.72	4.63	0.50	3.50	0.625	4	0.250	1.8
11⁄2	2.25	1.97	5.00	0.50	3.88	0.625	4	0.250	2.0
2	2.80	2.46	6.00	0.50	4.75	0.750	4	0.250	3.0
21⁄2	3.31	2.97	7.00	0.50	5.50	0.750	4	0.250	3.9
3	3.94	3.60	7.50	0.50	6.00	0.750	4	0.250	4.0
4	4.94	4.60	9.00	0.56	7.50	0.750	8	0.250	6.5
5	6.10	5.69	10.00	0.63	8.50	0.875	8	0.250	7.0
6	7.20	6.75	11.00	0.63	9.50	0.875	8	0.250	8.0
8	9.25	8.75	13.50	0.63	11.75	0.875	8	0.312	11.5
10	11.44	10.95	16.00	0.63	14.25	1.000	12	0.312	15.0
12	13.44	12.95	19.00	0.75	17.00	1.000	12	0.312	26.0
14	14.81	14.20	21.00	0.75	18.75	1.125	12	0.312	34.0
16	16.91	16.20	23.50	0.75	21.25	1.125	16	0.375	37.0
18	18.91	18.20	25.00	0.88	22.75	1.250	16	0.375	42.0
20	20.91	20.25	27.50	0.88	25.00	1.250	20	0.375	51.0
24	24.91	24.25	32.00	1.00	29.50	1.375	20	0.375	76.0
30	30.91	30.25	38.75	1.00	36.00	1.375	28	0.500	104.0
36	36.91	36.25	46.00	1.13	42.75	1.625	32	0.500	150.0
42	42.91	42.28	53.00	1.25	49.50	1.625	36	0.500	208.0
48	48.91	48.28	59.50	1.25	56.00	1.625	44	0.500	246.0

Best quality Backing Flanges, Backing Weight 150# Flanges, Class 900 Backing Flange, Backing Class 2500 Flange, Backing Pn16 Flanges, Backing Pn10 Flange, Backing Pn40 Flange, Backing Class 900 Flange, Backing Pn 160 Flanges, Backing Pn 64 Flanges, Backing Dn150 Pn16 Flanges, Backing Flange Class 300, Backing Din 2527 Flange, ASME/ANSI B16.5, ASME/ANSI B16.47 Backup Flange, Backing Din En 1092-1 Flange, Din 2633 Backing Flange, Din 2576 Backing Ring Flange, Backing ASME B16.48 Flanges in Mumbai, India.

Backing Flanges Applications

We stock in India and export to the following countries

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

We stock in Mumbai and supply to the following cities

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

Backing Flanges Price

Omaa Metal Sources is ASME B16.5 Backing / Backing Ring / Backup 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.

Backing Flange ASME ANSI B16.47 / B16.5