ANSI ASME CLASS 1500 LONG WELD NECK FLANGES

ANSI ASME B16.5 CLASS 1500 LONG WELD NECK FLANGE DIMENSIONS, ANSI ASME B16.5 CLASS 1500 LONG WELD NECK FLANGE BOLT CHART, ANSI ASME B16.5 CLASS 1500 LONG WELD NECK FLANGE WEIGHT

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ANSI ASME B16.5 Class 1500 Long Weld Neck Flange Manufacturer Supplier Distributors

ANSI ASME B16.5 Class #1500 Long Weld Neck Flange Weight

ANSI ASME B16.5 Class 1500psi Long Weld Neck Flange Bolt Chart

ASME B16.5 Class 1500 Long Weld Neck Flanges are engineered for high-pressure and high-temperature applications where extended necks and reinforced welding connections are essential. Also known as LWNRF Flanges #1500, LWNFF Flanges #1500, or simply LWN Flanges #1500, these flanges are designed to offer excellent stress distribution and structural integrity. At Tesco Steel & Engineering, we manufacture top-grade Class 1500 Long Weld Neck Flanges that meet stringent ASME B16.5 standards and serve critical roles in refineries, petrochemical plants, offshore platforms, and power generation units.

Our state-of-the-art Bhayandar Factory is equipped with the latest CNC machines, automated welding systems, and high-precision testing equipment to ensure every LWN flange delivers unmatched performance. Tesco Steel & Engineering is committed to quality at every stage of production—from raw material sourcing to final inspection. The result is a superior product that offers enhanced durability, dimensional accuracy, and resistance to corrosion and pressure fatigue, making it suitable for mission-critical piping systems.

Tesco Steel & Engineering proudly exports ASME B16.5 Class 1500 Long Weld Neck Flanges to countries such as the USA, Germany, France, Italy, Saudi Arabia, UAE, and Qatar, serving diverse industries including oil & gas, shipbuilding, chemical processing, and thermal power. Our reputation for high-quality manufacturing, timely delivery, and competitive pricing has made us a trusted global supplier. Whether you're looking for carbon steel, stainless steel, or alloy steel LWN flanges, we provide custom solutions that meet international standards and project-specific requirements.

Class 1500 Long 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	120	22.3	38	21.3	34.9	7	82.6	As Required	4	3/4	110	7/8	M20
3/4	20	130	25.4	44	26.7	42.9	7	88.9	As Required	4	3/4	115	7/8	M20
1	25	150	28.6	52	33.4	50.8	7	101.6	As Required	4	7/8	125	1	M24
1 1/4	32	160	28.6	64	42.2	63.5	7	111.1	As Required	4	7/8	125	1	M24
1 1/2	40	180	31.8	70	48.3	73	7	123.8	As Required	4	1	140	1 1/8	M27
2	50	215	38.1	105	60.3	92.1	7	165.1	As Required	8	7/8	145	1	M24
2 1/2	65	245	41.3	124	73	104.8	7	190.5	As Required	8	1	160	1 1/8	M27
3	80	265	47.7	133	88.9	127	7	203.2	As Required	8	1 1/8	180	1 1/4	M30
4	100	310	54	162	114.3	157.2	7	241.3	As Required	8	1 1/4	195	1 3/8	M33
5	125	375	73.1	197	141.3	185.7	7	292.1	As Required	8	1 1/2	250	1 5/8	M39
6	150	395	82.6	229	168.3	215.9	7	317.5	As Required	12	1 3/8	260	1 1/2	M36
8	200	485	92.1	292	219.1	269.9	7	393.7	As Required	12	1 5/8	290	1 3/4	M42
10	250	585	108	368	273	323.8	7	482.6	As Required	12	1 7/8	335	2	M48
12	300	675	123.9	451	323.8	381	7	571.5	As Required	16	2	375	2 1/8	M52
14	350	750	133.4	495	355.6	412.8	7	635	As Required	16	2 1/4	405	2 3/8	M56
16	400	825	146.1	552	406.4	469.9	7	704.8	As Required	16	2 1/2	445	2 5/8	M64
18	450	915	162	597	457	533.4	7	774.7	As Required	16	2 3/4	495	2 7/8	M72
20	500	985	177.8	641	508	584.2	7	831.8	As Required	16	3	540	3 1/8	M76
24	600	1170	203.2	762	610	692.2	7	990.6	As Required	16	3 1/2	615	3 5/8	M90

Advantages of Using ANSI / ASME Class 1500 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 1500 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 1500 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 1500 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 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.