ANSI ASME CLASS 2500 LONG WELD NECK FLANGES

ANSI ASME B16.5 CLASS 2500 LONG WELD NECK FLANGE DIMENSIONS, ANSI ASME B16.5 CLASS 2500 LONG WELD NECK FLANGE BOLT CHART, ANSI ASME B16.5 CLASS 2500 LONG WELD NECK FLANGE WEIGHT

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ANSI ASME B16.5 Class #2500 Long Weld Neck Flange Weight

ANSI ASME B16.5 Class 2500psi Long Weld Neck Flange Bolt Chart

ASME B16.5 Class 2500 Long Weld Neck Flanges are engineered for ultra-high-pressure applications where superior strength, extended necks, and secure weld joints are essential. Also known as LWNRF #2500 (Long Weld Neck Raised Face), LWNFF #2500 (Long Weld Neck Flat Face), and LWN Flanges #2500, these flanges are ideal for severe service conditions in industries like oil & gas, power generation, chemical processing, and offshore drilling. Tesco Steel & Engineering manufactures high-performance LWN flanges that conform to ASME B16.5 standards, ensuring exceptional integrity and durability even under the most demanding conditions.

Our ultra-modern Bhayandar factory is equipped with precision CNC machinery, automated forging lines, and advanced quality control systems that allow us to produce Class 2500 LWN flanges with consistent dimensional accuracy and mechanical strength. Tesco Steel & Engineering’s flanges are known for their superior quality, corrosion resistance, and flawless finish—attributes that make them the preferred choice for high-pressure, high-temperature pipeline systems. We offer these flanges in a wide range of materials including carbon steel, stainless steel, and alloy steel, tailored to meet diverse application needs.

Tesco Steel & Engineering proudly exports ASME B16.5 Class 2500 LWN flanges to global clients across the USA, Germany, UK, France, Italy, Saudi Arabia, UAE, and Oman. Our products are widely used in critical infrastructure projects and industrial operations that demand reliable and high-strength piping components. Backed by engineering expertise, robust manufacturing capabilities, and a commitment to global quality standards, we continue to be a trusted supplier for high-pressure long weld neck flanges across international markets.

Class 2500 Weld Neck Flange Dimensions as per ASME B16.5

Size in Inch	Size in mm	Outer Dia.	Flange Thick.	Hub OD	Weld Neck OD	RF Dia.	RF Height	PCD	Hub Length	No of Bolts	Bolt Size UNC	RF Stud Length	Hole Size	ISO Stud Size
		A	B	C	D	E	F	G	H
1/2	15	135	30.2	43	21.3	34.9	7	88.9	As Required	4	3/4	120	7/8	M20
3/4	20	140	31.8	51	26.7	42.9	7	95.2	As Required	4	3/4	125	7/8	M20
1	25	160	35	57	33.4	50.8	7	108	As Required	4	7/8	140	1	M24
1 1/4	32	185	38.1	73	42.2	63.5	7	130.2	As Required	4	1	150	1 1/8	M27
1 1/2	40	205	44.5	79	48.3	73	7	146	As Required	4	1 1/8	170	1 1/4	M30
2	50	235	50.9	95	60.3	92.1	7	171.4	As Required	8	1	180	1 1/8	M27
2 1/2	65	265	57.2	114	73	104.8	7	196.8	As Required	8	1 1/8	195	1 1/4	M30
3	80	305	66.7	133	88.9	127	7	228.6	As Required	8	1 1/4	220	1 3/8	M33
4	100	355	76.2	165	114.3	157.2	7	273	As Required	8	1 1/2	255	1 5/8	M39
5	125	420	92.1	203	141.3	185.7	7	323.8	As Required	8	1 3/4	300	1 7/8	M45
6	150	485	108	235	168.3	215.9	7	368.3	As Required	8	2	345	2 1/8	M52
8	200	550	127	305	219.1	269.9	7	438.2	As Required	12	2	380	2 1/8	M52
10	250	675	165.1	375	273	323.8	7	539.8	As Required	12	2 1/2	490	2 5/8	M64
12	300	760	184.2	441	323.8	381	7	619.1	As Required	12	2 3/4	540	2 7/8	M72

Advantages of Using ANSI / ASME Class 2500 Long Weld Neck Flanges

Long Weld Neck flanges offer several advantages over other types of flanges. These include:

Prevention of Leaks
Long Weld Neck flanges are used to seal the end of a pipe or valve, preventing the flow of fluids or gases. This helps to prevent leaks and ensures that the system remains safe and efficient.

Easy Inspection and Maintenance
Long Weld Neck flanges can be easily removed for inspection or maintenance. This helps to ensure that the system is working properly and that any issues can be addressed quickly and easily.

Flexibility
Long Weld Neck flanges are available in a variety of materials and types, making them flexible and adaptable to different applications.

Cost-Effective
Long Weld Neck flanges are generally more cost-effective than other types of flanges, making them a popular choice for many applications.

Common applications for ANSI / ASME Class 2500 long weld neck flanges

Long Weld Neck Flanges are used in a variety of applications, including oil and gas, chemical, and energy. They are also used in other industries where high-pressure systems are used.

In the oil and gas industry, Long Weld Neck Flanges are used in pipelines, refineries, and offshore platforms. They are used to connect pipes and other components, and to withstand the high pressures of the system.

In the chemical industry, Long Weld Neck Flanges are used in processing plants and storage tanks. They are used to connect pipes and equipment, and to withstand the corrosive environment of the system.

In the energy industry, Long Weld Neck Flanges are used in power plants and nuclear facilities. They are used to connect pipes and other components, and to withstand the high temperatures and pressures of the system.

Price List of Long Weld Neck Flanges

Prices for ANSI / ASME Class 2500 Long Weld Neck Flanges are very affordable.

Please click on the "Ask for Quote" button or click here to request the updated price list and ready stock information along with your requirement.
TESCO STEEL & ENGINEERING maintains a stock of all standard items and can export them at the best price.

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Countries we export to: ANSI B16.5 Class 2500 Long Weld Neck Flanges Manufacturers / Suppliers / Stockist in Kuwait, in UAE, in Germany, Saudi Arabia, West Africa, Iraq, Congo, Mexico, Bahra, Canada, Philippes, Thailand, Kenya, Oman, Malaysia, Turkey, Qatar, Sudan, Netherlands, Oman, Nigeria, Lithuania, Gabon, Russia, Vietnam, Angola, Bolivia, Indonesia, UK, Yemen, Italy, United States, Venezuela, Spain, Iran, Estonia, Kazakhstan, Algeria, Jordan, Ecuador, Portugal, Colombia, Libya, Chile, Peru, Iran, South Africa, Bangkok, Namibia, Jeddah, Afghanistan, Israel, Zambia, Macau, Morocco, Denmark, Taiwan, Norway, Belarus, North Macedonia, Lebanon, Sri Lanka, Bhutan, Bulgaria, Albania, Ukrae, Belgium, Fland, Slovokia, Tibet, Romania, France, Brazil, Tridad & Tobago, Fiji, Tunisia, Gambia, Mexico, Hungary, Zimbabwe, Mongolia, Ghana, Egypt, Kazakhstan, Czech Republic, Azerbaijan, Poland, Greece, Costa Rica, Kosovo, New Zealand, Croatia, Puerto Rico, Tanzania, Somalia.

Major Exporting Areas:ASME B16.5 #2500 Long Weld Neck Flanges Manufacturers / Suppliers / Stockist in Moscow, Port-Of-Spain, Seoul, Montreal, Dubai, Kuala Lumpur, Aberdeen, Tehran, Bogota, Petaling Jaya, Melbourne, Abu Dhabi, Courbevoie, Edmonton, Ho Chi Minh City, Bangkok, Toronto, Muscat, Milan, Busan, Mexico City, Perth, La Victoria, Santiago, Rio de Janeiro, London, Karachi, Los Angeles, Manama, Geoje-si, Atyrau, Sydney, Riyadh, New York, Jeddah, Houston, Granada, Jakarta, Brisbane, Algiers, Kuwait City, Dubai, Hanoi, Doha, Al Jubail, Chiyoda, Cairo, Gimhae-si, Caracas, Lagos, Al Khobar, Madrid, Singapore, Calgary, Colombo, Ulsan, Istanbul, Ahvaz, Dammam, Dallas, Texas, Ankara, Sharjah, Vung Tau, Angola, Benin, Burundi, Botswana, Burkina Faso, Cameroon, Douala, Central African Republic, Republic of Congo, Democratic Republic of Congo, Côte d'Ivoire, Djibouti, Eritrea, Ethiopia, Equatorial Guinea, Gabon, Guinea, Kenya, Liberia,Malawi, Mali, Mauritania, Mauritius, Casablanca-Settat, Tanger-Tetouan-Al Hoceima, Fès-Meknès, Marrakesh-Safi, Oriental, Béni Mellal-Khénifra, Souss-Massa, Laâyoune-Sakia El Hamra, Rabat-Salé-Kénitra region, Mozambique, Temara, Niger, Rwanda, Senegal, Sierra Leone, Sudan, Tanzania, Togo, Uganda, Bangkok, Bangchan, Khlong Sam Wa, Gemopolis, Lard Krabang, Pathumthani, Bangkadi, Navanakorn, Samut Prakarn, Bangplee, Bangpoo, Saraburi, Nongkhae, SIL I/Land, Chachoengsao, 304 I/P, Gateway City, Wellgrow, Rayong, Amata City, Eastern Seaboard, Hemaraj Eastern Seaboard, Rojana, Soam Eastern, Chonburi, Amata Nakorn, Hemaraj Chonburi, Pinthong, Ayutthaya, Bangpa-in, Saha Ratna Nakorn, Nakornratchasima, Kabinburi, Prachinburi, HCMC, Tan Thuan Export Processing Zone, Bien Hoa, Dong Nai Province, Amata City Bien Hoa Industrial Park, Long Binh Techno Park, Binh Duong Province, Vietnam Singapore Industrial Park, My Phuoc Industrial Park, Ho Nai Industrial Zone, Bau Xeo Industrial Park, Long Thanh Industrial Zone, Long Duc Industrial Park, Duc Hao I, Tan Huong, Long Jiang, Tra Noc I/II, Hung Phu I, Hiep Phuoc Industrial Park, Phuoc Dong Industrial Park, Dinh Vu – Cat Hai Economic Zone.