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High quality Stainless Steel Lap Joint Flange
Lap joint flanges are used in those piping, which are fitted with the lapped pipe or with the stub end lap joint flanges. The lap joint flanges are highly suitable for those systems, which require dismantling for inspection and cleaning.
Specification of Stainless Steel Lap Joint Flanges:
1. Stainless Steel: | ASTM A 182, A 240 |
2. Grade: | F 304, 304L, 304H, 316, 316L, 316Ti, etc |
3. Size: | ANSI B 16.5 from 1/2" to 24" and classes150 to 2500 (complete range) |
4.Standards: | API, ANSI, BS, JIS, UNI, MSS and SP |
5. Pressure: | ANSI class 150 to 600 |


The scope of European system for stainless steel flanges
Sealing surface type | Nominal pressure PN / MPa | ||||
(Bar) | |||||
0.6 | 1.0 | 1.6 | 2.5 | 4.0 | |
-6 | -10 | -16 | -25 | -40 | |
Raised face (RF) | DN10-600 | ||||
The scope of American system for stainless steel flanges
Sealing surface type | Nominal pressure PN (MPa) | |||||
(Class) | ||||||
2.0 | 5.0 | 11.0 | 15.0 | 26.0 | 42.0 | |
Class 150 | Class 300 | Class 600 | Class 900 | Class 1500 | Class 2500 | |
Raised face (RF) | DN15-600 | DN15-300 | ||||
Ring joint face (RJ) | (1/2 "to 24") | (1/2 "-12") | ||||
Applications of Stainless Steel Lap Joint Flanges:
These are primarily used when quick assembly and disassembly of pipe line section is required under limited working pressure. The lap joint flange with the stub end assembly are normally used in systems requiring frequent dismantling for inspection and cleaning and where the ability to swivel flanges and to align bolt holes materially eases the erection of large diameter or unusually stiff piping. These flanges are also used in applications where there is a need to facilitate bolt alignment. Their use at points where severe bending stress occurs should be avoided.

Packaging :

All our materials shall carry test certificates , except those of non ferrous metals & the testing shall be done in govt.approved laboratory.We can also supply under Third Party Inspections.
For more details about our company & product welcome to visit our website wwwdotraviratanmetalindustriesdotcom or please feel free to contact us.
| ♦ | About Us | ♦ |
Some of our widely accepted products include stainless steel pipes and tubes, butt and fittings, forged fittings, flanges, fasteners, plates and sheets, round bars and many more. We design and fabricate these products on the basis of special industrial requirements of our clients.
We are committed to elevate the standards of our products and services to offer customer satisfaction through excellence in quality. Every employee is dedicated toward this aim and every measure and care is taken to ensure production of superior products, quality packaging, timely delivery, competent prices and excellent after sales service.
| ♦ | Why Us | ♦ |
| ♦ | Clientele | ♦ |
Over these years of our inception, we have grown into a highly established brand and serve a long list of customers from domestic as well as international markets. Today majority of of our revenues come from our overseas exports to clients in US, Europe, Africa, Far-East, Australia and so on. Our clients come from different industrial backgrounds, which include fertilizers, pharmaceuticals, engineering, chemicals, power generation, food processing, paper, sugar, petroleum refineries, cement and dairy plants. We can provide for the third party inspection of our products from reputed agencies such as LLOYDS, EIL, H&G, TCE, PDIL, MECONS, M.N. DASTUR & Co., Bax council, DNV, Bureau Veritas, DPG, etc.

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