Long Weld Neck Flanges are manufactured with top quality materials in different sizes according to the customers requirements. Nitech Stainless Inc is the leading Blind Flanges Supplier, Manufacturer, dealer and Exporter in India. Nitech Stainless Inc is known worldwide for its extensive high quality range of Buttwelded Pipe Fittings. At Nitech Stainless Inc we have our own research centre to help gather the required knowledge about the latest technologies and keep on increasing the quality of the product with each new research in our research centre.
Nitech Stainless Inc is leading manufacturer of Long Weld Neck Flanges. Long Weld Neck Flanges are available from 1/2"NB to 25"NB and in different types and wall thicknesses. Also available in special sizes and materials as per the customers drawings.
Particulars | Details |
Standards | ANSI, JIS, DIN, EN1092-1, UNI, BS4504, SABS1123, AS2129, GOST-12820 |
Dimension | ANSI B 16.5 Long Weld Neck Flange, BS 1560. BS 10 Long Weld Neck Flange, IS 6392 Long Weld Neck Flange, B-2.1 NPT Long Weld Neck Flange, API Long Weld Neck Flange, DIN Long Weld Neck Flange, JIS. MSS SP 44 Long Weld Neck Flange |
Material | ASTM A105 Long Weld Neck Flange, ASME A105 Long Weld Neck Flange ASTM A266 GR.1 Long Weld Neck Flange, GR.2 Long Weld Neck Flange, GR.3 Long Weld Neck Flange, GR.4 Long Weld Neck Flange ASTM A350 LF1 Long Weld Neck Flange, LF2 CL1/CL2 Long Weld Neck Flange, LF3 CL1/CL2 Long Weld Neck Flange ASTM A694 F42 Long Weld Neck Flange, F46 Long Weld Neck Flange, F48 Long Weld Neck Flange, F50 Long Weld Neck Flange, F52 Long Weld Neck Flange, F56 Long Weld Neck Flange, F60 Long Weld Neck Flange, F65 Long Weld Neck Flange, F70 Long Weld Neck Flange |
Class | Long Weld Neck Flange 150#, Long Weld Neck Flange 300#, Long Weld Neck Flange 600#, Long Weld Neck Flange 900#, Long Weld Neck Flange 1500# & Long Weld Neck Flange 2500# |
Size | 1/2” NB TO 24” NB. |
Form | Long weld neck Flanges |
Nickel Alloy | ASTM / ASME SB 336 UNS 2200 ( NICKEL 200 ), UNS 2201 (NICKEL 201 ), UNS 4400 (MONEL 400 ), UNS 8020 ( ALLOY 20 / 20 CB 3, UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600 ), UNS 6601 ( INCONEL 601 ), UNS 6625 (INCONEL 625), UNS 10276 ( HASTELLOY C 276 ) |
Stainless Steel | ASTM A403 WP Gr. SS 304 Long Weld Neck Flange, SS 304H Long Weld Neck Flange, SS 309 Long Weld Neck Flange, SS 310 Long Weld Neck Flange, SS 316 Long Weld Neck Flange, SSS 316L Long Weld Neck Flange, SS 317L Long Weld Neck Flange, SS 321 Long Weld Neck Flange, SS 347 Long Weld Neck Flange, SS 904L Long Weld Neck Flange |
A flange is an external or internal ridge, or rim, for strength, as the flange of an iron beam such as an I-beam or a T-beam ; or for attachment to another object, as the flange on the end of a pipe, steam cylinder, etc., or on the lens mount of a camera or for a flange of a rail car or tram wheel . Thus flanged wheels are wheels with a flange on one side to keep the wheels from running off the rails . The term "flange" is also used for a kind of tool used to form Long Weld Neck Flanges. Pipes with Long Weld Neck Flanges can be assembled and disassembled easily.
Types of Flanges we Manufacturers in India | ||
Slip On Flanges | Weld Neck Flanges | Long Weld Neck Flanges |
Blind Flanges | Threaded Flanges | Socket Weld Flanges |
Lap Joint Flanges | Studding Outlet Flanges | Companion Flanges |
ASA, ASME, ANSI (USA), PN, DIN (European), BS10 (British/Australian), and JIS, KS (Japanese/Korean).
Long Weld Neck Flanges are available in many different materials. Such as - Stainless Steel Long Weld Neck Flanges, Alloy Steel Long Weld Neck Flanges, Carbon Steel Long Weld Neck Flanges, Aluminium Long Weld Neck Flanges, Duplex Steel Long Weld Neck Flanges, Hastelloy Long Weld Neck Flanges, Incoloy Long Weld Neck Flanges, Inconel Long Weld Neck Flanges, Monel Long Weld Neck Flanges, Nickel Alloy Long Weld Neck Flanges, Nitronic Alloy Long Weld Neck Flanges, Titanium Long Weld Neck Flanges,
Slip On Flanges, Blind Flanges , Weld Neck Flanges, Threaded Flanges, Long Weld Neck Flanges, Socket Weld Flanges, Studding Outlet Flanges, Lap Joint FLanges, Companion Flanges are some of the types of Flanges that we offer at Nitech Stainless Inc
Types of Metals(Materials) Suppliers | ||
Stainless Steel | Carbon Steel | Alloy Steel |
Inconel | Incoloy | Monel |
Aluminum | Duplex Steel | Hastelloy |
Nickel Alloy | Nitronic Alloy | Titanium |
Nitech Stainless Inc is manufacturers, dealers, suppliers of Long Weld Neck Flanges in India. Nitech Stainless Inc is the leading supplier of other products such as Pipes and Tubes, Buttwelded Pipe Fittings. Nitech Stainless Inc has a wide range of products available in different materials and grades. We also offer products as per customers requirements and specifications.
Nitech Stainless Inc has created a name in the Indian market as the leading manufacturer and supplier of Long Weld Neck Flanges in India. Nitech Stainless Inc has its manufacturing plants at different cities of India.
Our steel flanges contain prime quality materials. factory-made from quality steel meeting ASTM and/or AISI standards as a result of higher the standard, higher is that the toughness of the ASTM | ASME | ANSI flanges. prime quality of steel content makes an ASTM | ASME | ANSI flanges harder and will increase its hardness. Nitech Stainless Inc is specialized in manufacturer and suppliers of steel flanges in India. Nitech Stainless Inc may be a certified manufacturer and suppliers in India. Nitech Stainless Inc is wide common in India for its prime quality steel flanges product.
Nitech Stainless Inc manufacturers and provides solely quality tested and difficult ASTM | ASME | ANSI flanges. ASTM | ASME | ANSI flanges at Nitech Stainless Inc bear several toughness and hardness check before provision it to our purchasers. we've over 99% happy purchasers.
Our purchaser's satisfaction depends on a variety of things like quality, Toughness, Hardness, Delivery Time and our Services for ASTM | ASME | ANSI flanges. Nitech Stainless Inc may be a Indian suppliers of steel flanges in INDIA. Nitechtech Stainless is also a leading supplier and dealer of other flanges such as Stainless Steel Flanges, Alloy Flanges in INDIA. Nitech Stainless Inc also is a market leader of other products such as ASTM | ASME | ANSI Flange, Stainless Steel pipe and tubes, buttweld pipe fitting, Weld Neck Flanges, Slip-On Flanges and many more other products in INDIA.
ANSI Flanges Class 150, ANSI Flanges Class 300, ANSI Flanges Class 400, ANSI Flanges Class 600, ANSI Flanges Class 900, ANSI Flanges Class 1500, ANSI Flanges Class 2500, ASTM Flanges Class 150, ASTM Flanges Class 300, ASTM Flanges Class 400, ASTM Flanges Class 600, ASTM Flanges Class 900, ASTM Flanges Class 1500, ASTM Flanges Class 2500, ASME Flanges Class 150, ASME Flanges Class 300, ASME Flanges Class 400, ASME Flanges Class 600, ASME Flanges Class 900, ASME Flanges Class 1500, ASME Flanges Class 2500,
Flanges Class 150, Flanges Class 300, Flanges Class 400, Flanges Class 600, Flanges Class 900, Flanges Class 1500, Flanges Class 2500, Slip on Flanges Class 150, Slip on Flanges Class 300, Slip on Flanges Class 400, Slip on Flanges Class 600, Slip on Flanges Class 900, Slip on Flanges Class 1500, Slip on Flanges Class 2500, Blind Flanges Class 150, Blind Flanges Class 300, Blind Flanges Class 400, Blind Flanges Class 600, Blind Flanges Class 900, Blind Flanges Class 1500, Blind Flanges Class 2500, Threaded Flanges Class 150, Threaded Flanges Class 300, Threaded Flanges Class 400, Threaded Flanges Class 600, Threaded Flanges Class 900, Threaded Flanges Class 1500, Threaded Flanges Class 2500, Pipe Flanges Flanges Class 150, Pipe Flanges Flanges Class 300, Pipe Flanges Flanges Class 400, Pipe Flanges Flanges Class 600, Pipe Flanges Flanges Class 900, Pipe Flanges Flanges Class 1500, Pipe Flanges Flanges Class 2500, Long Weld neck Flanges Class 150, Long Weld neck Flanges Class 300, Long Weld neck Flanges Class 400, Long Weld neck Flanges Class 600, Long Weld neck Flanges Class 900, Long Weld neck Flanges Class 1500, Long Weld neck Flanges Class 2500.
Nominal Pipe Size |
"A" (O.D.) |
"B" (Thk.) |
"C" (RF Dia.) |
"D" (B.C.D.) |
# Bolt Holes |
Dia. of Bolt Holes |
Approx. Weight |
1/2" | 3-3/4 | 9/16 | 1-3/8 | 2-5/8 | 4 | 5/8 | 2 |
3/4" | 4-5/8 | 5/8 | 1-11/16 | 3-1/4 | 4 | 3/4 | 3 |
1" | 4-7/8 | 11/16 | 2 | 3-1/2 | 4 | 3/4 | 4 |
1-1/4" | 5-1/4 | 3/4 | 2-1/2 | 3-7/8 | 4 | 3/4 | 6 |
1-1/2" | 6-1/8 | 13/16 | 2-7/8 | 4-1/2 | 4 | 7/8 | 7 |
2" | 6-1/2 | 7/8 | 3-5/8 | 5 | 8 | 3/4 | 8 |
2-1/2" | 7-1/2 | 1 | 4-1/8 | 5-7/8 | 8 | 7/8 | 12 |
3" | 8-1/4 | 1-1/8 | 5 | 6-5/8 | 8 | 7/8 | 16 |
3-1/2" | 9 | 1-3/16 | 5-1/2 | 7-1/4 | 8 | 7/8 | 21 |
4" | 10 | 1-1/4 | 6-3/16 | 7-7/8 | 8 | 7/8 | 28 |
5" | 11 | 1-3/8 | 7-5/16 | 9-1/4 | 8 | 7/8 | 37 |
6" | 12-1/2 | 1-7/16 | 8-1/2 | 10-5/8 | 12 | 7/8 | 48 |
8" | 15 | 1-5/8 | 10-5/8 | 13 | 12 | 1 | 79 |
10" | 17-1/2 | 1-7/8 | 12-3/4 | 15-1/4 | 16 | 1-1/8 | 122 |
12" | 20-1/2 | 2 | 15 | 17-3/4 | 16 | 1-1/4 | 183 |
14" | 23 | 2-1/8 | 16-1/4 | 20-1/4 | 20 | 1-1/4 | 241 |
16" | 25-1/2 | 2-1/4 | 18-1/2 | 22-1/2 | 20 | 1-3/8 | 315 |
18" | 28 | 2-3/8 | 21 | 24-3/4 | 24 | 1-3/8 | 414 |
20" | 30-1/2 | 2-1/2 | 23 | 27 | 24 | 1-3/8 | 515 |
24" | 36 | 2-3/4 | 27-1/4 | 32 | 24 | 1-5/8 | 800 |
1/16" raised face included in flange thickness. |
All our Long Weld Neck Flanges meet with the International Quality Standards and can be used anywhere in the world. We are also exporting our industrial Long Weld Neck Flanges to more than 90+ countries and helping the growth and development of our country by contributing to the GDP of India. Nitech Stainless Inc also believes in quality and provides high-quality Flanges. Nitech Stainless Inc is an ISO 9001:2015 certified manufacturer and supplier of Long Weld Neck Flanges in India.
Stainless Steel and carbon Steel Flanges Classification
Nitech Stainless Inc manufactures Long Weld Neck Flanges with high-quality materials. Nitech Stainless Inc is leading manufacturer, supplier, dealer and exporter of all types of Long Weld Neck Flanges in different sizes, materials and grades. Nitech Stainless Inc also provide specially designed Long Weld Neck Flanges as per the requirements and specifications of the clients customers.
Product dependability and performance has created NItech Stainless Inc leading businessperson, manufactures and suppliers of stainless steel flanges in India. Each month we tend to export stainless steel flanges product to India port around 23 containers to completely different customers. Our prime quality of stainless steel flanges, sensible client service, and in-house stainless steel flanges processing capabilities have made us one of the emerging and leading supplier for stainless steel flanges in INDIA. Our product stainless steel flanges area unit exported frequently to over sixty-five countries. Over last twelve Years we tend to had equipped over 2500+ plenty of stainless steel flanges to India.
Orders at NItech Stainless area unit secured quick delivery of stainless steel flanges in India. the most reason being we've a wonderful reposition and storage facilities for each finished and semi-finished merchandise. they're finished as per the pressing necessities of the shoppers.
Orders at NItech Stainless are guaranteed fast delivery of stainless steel slip-on flanges in India. The main reason being we have excellent warehousing facilities and storage facilities for both finished and unfinished goods. We also Accept customized flanges order ready as per the urgent requirements of the customers. That way we are leading manufacturer and stockiest of carbon steel as well as stainless steel flanges in India
Dimensions as per B 16.5 flanges | ||
Inside Diameter | Threaded | Within Limits of boring Gauge |
10" and smaller | 76 | |
12" and larger | 1.52 | |
Outside Diameter | 24" or less over 24" | ± 0.0625 |
± 0.125 | ||
Diameter of Counterbore | Same as for Inside Diameter | |
Diameter of contact Face | 1.58mm Raised Face | ± 0.76 |
150# &300# | ||
6.35mm Raised Face | ± 0.50 | |
above 300# | ||
Tongue & Groove or | ||
Male & Female | ||
Outside Dia. of Hub | 5" and Smaller | 1.52 |
6" and larger | 3.3 | |
Drilling | Bolt circle | ± 1.52 |
Bolt Hole spacing | ± 0.76 | |
Eccentricity Bolt circle & Facing (with respect to bore) | 2 1/2" and smaller | ± 0.76 |
3" and larger | ± 1.52 | |
Thickness | 18" and Smaller | 3.04 |
20" and larger | 4.82 |
FLANGE NPS |
Outside Diameter |
Bolt Circle (BC) | Raised Face (R) | Raised Face (RF) | Raised Face Thickness (T) |
Flat Face Thickness (T2) |
Bolt Hole (B) | No. of Bolt Holes |
---|---|---|---|---|---|---|---|---|
1/2″ | 3.50″ | 2.38″ | 1.38″ | .063″ | .44″ | .38″ | .62″ | 4 |
3/4″ | 3.88″ | 2.75″ | 1.69″ | .063″ | .50″ | .44″ | .62″ | 4 |
1″ | 4.25″ | 3.12″ | 2.00″ | .063″ | .56″ | .50″ | .62″ | 4 |
1-1/4″ | 4.62″ | 3.50″ | 2.50″ | .063″ | .62″ | .56″ | .62″ | 4 |
1-1/2″ | 5.00″ | 3.88″ | 2.88″ | .063″ | .68″ | .62″ | .62″ | 4 |
2″ | 6.00″ | 4.75″ | 3.62″ | .063″ | .75″ | .69″ | .75″ | 4 |
2-1/2″ | 7.00″ | 5.50″ | 4.12″ | .063″ | .88″ | .82″ | .75″ | 4 |
3″ | 7.50″ | 6.00″ | 5.00″ | .063″ | .94″ | .88″ | .75″ | 4 |
3-1/2″ | 8.50″ | 7.00″ | 5.50″ | .063″ | .94″ | .88″ | .75″ | 8 |
4″ | 9.00″ | 7.50″ | 6.19″ | .063″ | .94″ | .88″ | .75″ | 8 |
5″ | 10.00″ | 8.50″ | 7.31″ | .063″ | .94″ | .88″ | .88″ | 8 |
6″ | 11.00″ | 9.50″ | 8.50″ | .063″ | 1.00″ | .94″ | .88″ | 8 |
8″ | 13.50″ | 11.75″ | 10.62″ | .063″ | 1.12″ | 1.06″ | .88″ | 8 |
10″ | 16.00″ | 14.25″ | 12.75″ | .063″ | 1.19″ | 1.13″ | 1.00″ | 12 |
12″ | 19.00″ | 17.00″ | 15.00″ | .063″ | 1.25″ | 1.19″ | 1.00″ | 12 |
14″ | 21.00″ | 18.75″ | 16.25″ | .063″ | 1.38″ | 1.32″ | 1.12″ | 12 |
16″ | 23.50″ | 21.25″ | 18.50″ | .063″ | 1.44″ | 1.38″ | 1.12″ | 16 |
18″ | 25.00″ | 22.75″ | 21.00″ | .063″ | 1.56″ | 1.50″ | 1.25″ | 16 |
20″ | 27.50″ | 25.00″ | 23.00″ | .063″ | 1.69″ | 1.63″ | 1.25″ | 20 |
22″ | 29.50″ | 27.25″ | 25.25″ | .063″ | 1.81″ | 1.75″ | 1.38″ | 20 |
24″ | 32.00″ | 29.50″ | 27.25″ | .063″ | 1.88″ | 1.82″ | 1.38″ | 20 |
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