July 2016
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Arihant Fittings

Arihant Fittings INC. reported as a commendable benchmark with respect to business growth by manufacturing fine quality weld neck flanges. Our Elite sales staff & our veteran machinist burn midnight oil to serve our customers with best of the products (weld neck flanges). We strive for professionalism in everything we do & promote entrepreneurship, creativity, and new initiatives to continuously increase value for our customers.

We are always looking forward to opportunities from all diversion without harming human & social values. We do offer customised weld neck flanges with different types in all shapes, sizes, and specifications on customer demand. We are exporting our products (weld neck flanges) worldwide through legally accepted channelized global business network.

Weld Neck Flanges

Weld Neck Flanges

Arihant Fittings Weld Neck Flanges

Salient Features

  • Supplied with NTO fittings to provide robust & industrial strength to check joints.

  • Generally used for sealing off ends of valves, pressure vessel openings & ends of pipes.

  • Some vital factors are taken into consideration, e.g. bolt loading, internal pressure, WN flanges, especially in the larger sizes, are the most highly stress for all types of flanges.

  • Usually, design and develop to fit in standard pipes of all sizes.


Weld neck flanges are actually welded on neck part where the integrity of the butt or welded area can be easily examined by radiography. The bores of both pipe & flange match, which reduces the turbulence & erosion inside the pipeline system. Weld neck flange is extremely durable in the critical application.Weld neck flanges as the name resemble that, this is the kind of pipe flange which is attach or welded on the pipe or to the neck of the flange. It is used to cater or transfer the stress from the flange to the pipe. Ultimately it reduces the stress concentration from the base of the main hub. It is generally used where height pressure is a factor. The internal diameter of the flange is designed in such a way that it matches the pipe inside the diameter. Weld neck flanges have some required specification range from 1/2inch to 96inch. Weld neck flange are provided with raised face, flat face, RT facing with the standard height of 1/16inch.


WN Flange can also be called welding neck flange, WN Forged flange, etc., for better reference.
Standard: ANSI, ASME, ASA B16.5

Size: 1/2” – 48”


Supply Ability: 3000Ton/Month

Process: Forged, Forging

Packing: Plywood Pallets

Payment Terms: T/T, L/C, D/P

Monthly output :3000Ton,

Material: carbon steel & Stainless Steel


Flanges according to ASTM A182 Grade F304, F304L F316L


Standard weld neck flanges: are used in butt weld fittings.

Long weld neck flanges: are used with vessel nozzles and equipment.


Turnkey projects

Pharmaceutical projects

Paper mills

Waste water treatment plants

Oil refineries

Petrochemical plants

Power generation

Shipbuilding industries

Machining companies


We are the weld neck flanges manufacturer and use good quality raw materials, some of these are given below for your kind reference:-

  • Stainless steel
  • Aluminum
  • Silicone
  • Cast Iron
  • Titanium
  • Bronze
  • Nickel alloy
  • PVC etc.
  • Polypropylene
  • Nickel alloy
  • Carbon steel

We have dedicated operational collaboration through our subsidiaries & business partners so that we can serve fine qualitative products. We have marked international imprints in and around 45+ countries including UAE, UK, Iran, Iraq, Qatar, Bahrain, Oman, Yemen, Lebanon, Jordan, Saudi Arabia, Malaysia, Indonesia, Singapore, Australia, New Zealand, USA, Canada, Mexico, Brazil, Netherlands, Germany, Italy, Spain, Serbia, Kuwait, Peru, Nigeria, Poland, South Africa, Denmark, Turkey, Egypt, Venezuela, Kuwait, Madagascar, Angola & Sri Lanka.

We do comply with same day shipping of goods policy once we get approved confirmed order receipts from respective or potential clients.We make world class buying experience for clients. This makes the client to revert back with sound feedback and this will lead to reimbursement of bulk orders and mouth to mouth marketing for our esteemed group.Our team of expert will give firm guidelines and advise the layman clients too hence making their buying experience great.We believe in providing competitive but quite economical pricing to clients irrespective of high pricing of the goods in the name of supplier commission.Marking and identification drive the crucial roles with respect to products detailing especially when the product need to export from one destination to another. Secondly, Heat Number Traceability is kind of watermark on the product and it will eliminate the piracy of the products and saves the clients to get dupe from middlemen or external negative practitioner.

Some qualitative measure taken are given as under:

We  understand the customer’s requirement by ensuring to supply the high qualitative product with the certification of quality assurance and control at Quality Forge & Fittings.We always rely on our Quality related standardised MOTO, that is ‘trust quality forge reliability, which always helps us to build clients appreciation at the completion of the order process.The prominent Flanges manufacturer, Arihant Fittings is backed by all the necessary world-class certification which incorporates with ISO 14001:2007, 9001:2008, OHSAS 18001:2004 and CE-PED 97/23/EC.Fitting is supplied with test certificate as per approved QAP. Test certificates incorporate chemical composition, mechanical properties, hardness detail of heat treatment Ultrasonic test, Radiography test and stamping details activity.The system controls the quality of all incoming raw materials which comply with material test certificate of the materials. Randomly checking in each size for chemical and physical properties at Government approved labs.We are the fellow member of various acclaimed Chambers of Commerce and agencies which comprise of FICCI, Indian Merchant of Chamber association, EEPC, MASSMA, FIEO etc.We are dealt with 1-year warranty regarding product replacement without any further questioning. We are 100% sure for our in-house tested zero defect Flanges.

Flanges production process passes through many hierarchical processes which are mentioned as under for better understanding:

  • Firstly the qualitative raw material is being selected by the set of professionally acclaimed expertise team. Then the material will move into the inspection process with extension to cutting and other subdivision for cutting, heating, forging, heat treatment, machining, physical inspection, marking, cleaning, painting, final inspecting and packing of Flanges.
    Our manufacturing process comprises of 6 major phases:
  • Cutting
  • Open & closed die forging
  • Regular heat treatment
  • Conventional & CNC Machining
  • Follow inspection & organised quality check
  • Packing & Dispatch

Steam hammer technology is used for forging our products. Usually based on open die forgings & drop hammer closed die forgings. Visual and dimensional checking of raw material are done after receiving the steel from the manufacturer. The stocks of SS and CS material are kept separately for fast access & simple execution. The colour coding scheme to every unit of raw material is applied as per the colour code. The colour coding scheme assists to footmark the material during the manufacturing process. We receive a criterion test certificate from the suppliers to study raw material. Then it leads to physical & chemical testing of each material. The various raw material is allocated with lot no. and information such as the source of heat number and supplier certificate number. Internal Granule Corrosion testing and ultrasonic testing is done. Cutting and marking the materials with stamps of lot number for identity proof. The required materials length and weight are checked. The raw materials, in the shape of long rods of different diameters are chopped with the use of huge saw like cutting machines. A QC and inspection test is done to overview the flanges. Last but not the least, the flanges are assorted & packed for dispatch.

We as  weld neck flanges supplier always take good care in packaging of lap joint flange to avoid unwanted loss at transit. Generally, Flanges must be packed with seaworthy packing methods before delivering to customers, the packing way includes wooden pallet, iron & steel cage, iron & steel pallet etc.Most of the packaging follows with the normal wooden pallet, steel and iron cage, steel and iron pallet etc. because normal wooden boxes or pallets require to do fumigation treatment.We usually use plywood pallet or plywood case or box to pack steel flanges without fumigation treatment.All our products get brand marking, heat number traceability and marked with grade, lot no, size, degree, and our firm’s trademark for identification purpose. Products are specially packed to ensure that there is no loss or damage during transit.We provide Flanges with required documentation prior to dispatch of Flanges from home mill unit e.g. packing list, commercial invoice, Test Reports, HS Code, Country of Origin attested by the chamber of commerce, Fumigation Certificate, Warranty Letter, and Base Material Certificates.We comply with following certified standards as given:
ANSI: ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
B.S: BS4504, BS4504, BS1560, BS10