Lap Joint Flange Manufacturer

Best Butt Weld Fittings Manufacturer in India since 1971.

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Lap Joint Flanges Manufacturers, Supplier and Exporter in India

Contrary to all the flange types seen above, blind flanges do not have a center hole, and are used to blind or seal a pipeline, a valve/pressure vessel and block the flow of the fluid.
Blind flanges have to withstand remarkable mechanical stress due to the system pressure and the required bolting forces. Blind flanges allow easy access to the pipeline, as they can be easily unbolted to let the operator execute activities inside the terminal end of the pipe (this is also the reason why the blind flange type is used as a manhole for pressure vessels, at times). It is maybe interesting to observe that, while this flanges type is easier to manufacture, they are sold at a premium average cost per kilogram compared to the other flange types.
We manufacture Galvanized BLIND FLANGE, Stainless steel (SS) BLIND FLANGE, Carbon steel (CS) BLIND FLANGE, MS BLIND FLANGE, Alloy BLIND FLANGE, Nicked BLIND FLANGE, Duplex stainless steel (DSS) BLIND FLANGE, Super Duplex Stainless Steel (SDSS) BLIND FLANGE, and Brass BLIND FLANGE.

Teshi Group is an ISO certified blind flange manufacturer & distributor in India

Dimensions of Lap Joint Flanges

Lap Joint Flange 01

Standard Specification For Lap Joint Flange

Standard Specifications
Dimensions
ANSI B 16.5 Lap Joint Flange, BS 1560. BS 10 Lap Joint Flange, IS 6392 Lap Joint Flange, B-2.1 NPT Lap Joint Flange, API Lap Joint Flange, DIN Lap Joint Flange, JIS. MSS SP 44 Lap Joint Flange
Size
1/2” NB TO 24” NB.
Class
Lap Joint Flange 150#, Lap Joint Flange 300#, Lap Joint Flange 600#, Lap Joint Flange 900#, Lap Joint Flange 1500# & Lap Joint Flange 2500#
Material
ASTM A105 Lap Joint Flange, ASME A105 Lap Joint Flange ASTM A266 GR.1 Lap Joint Flange, GR.2 Lap Joint Flange, GR.3 Lap Joint Flange, GR.4 Lap Joint Flange ASTM A350 LF1 Lap Joint Flange, LF2 CL1/CL2 Lap Joint Flange, LF3 CL1/CL2 Lap Joint Flange ASTM A694 F42 Lap Joint Flange, F46 Lap Joint Flange, F48 Lap Joint Flange, F50 Lap Joint Flange, F52 Lap Joint Flange, F56 Lap Joint Flange, F60 Lap Joint Flange, F65 Lap Joint Flange, F70 Lap Joint Flange
Form
Lapped joint Flanges
Type
Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Lap-Joint Face (LJF), Large Male-Female (LMF), Small Male-Female (SMF), Large Tongue & Groove, Small Tongue, Groove

Material & Grades of Lap Joint Flange

Material & Grades
Stainless Steel Blind Flange
ASTM /ASME A/SA 213 / 249 / 269 / 312 / 358 CL. I to V – 304 , 304L , 304H, 309S ,309H , 310S, 310H , 316 , 316TI , 316H , 316 LN , 317 , 317L , 321 , 321H , 347 , 347 H , 904L .
Duplex Steel Flange
ASTM/ASME A/SA 789, 790 – UNS NO S 31803 , S 32205 , S 32550 , S 32750 , S 32760.
Carbon Steel Flange
ASTM A106 Gr. A , B & C API 5L Gr. A / B, X42 ,X52 ,X60 ASTM A 53 Gr. A/B
Alloys Steel Flange
ASTM /ASME A/SA 213 / 335 / 691 – P5,P9,P11,P12,P22,P91
Nickel Alloys Steel Flange
Nickel Alloys 200, Nickel Alloys 201
Hastelloy Steel Flange
Hastelloy C-22, Hastelloy C-276, Hastelloy C-2000, Hastelloy C-4, Hastelloy X, Hastelloy B, Hastelloy N, Hastelloy G
Inconel
Inconel 600, Inconel 601, Inconel 625, Inconel 625LCF, Inconel 686, Inconel 718, Inconel 800, Inconel 825, Inconel X-750 , Inconel 690, Inconel 602, Inconel 617, Inconel 925, Inconel A-289, Inconel AL-6XN, AL-904L

Teshi Group Is A Leading Supplier Of Lap Joint Flange in India

We supply lap joint flange to Agra, Ahmedabad, Ajmer, Aligarh, Allahabad, Ambattur, Amravati, Amritsar, Asansol, Aurangabad, Bangalore, Bareilly, Belgaum, Bhavnagar, Bhilai Nagar, Bhiwandi, Bhopal, Bhubaneswar, Bikaner, Chandigarh, Chennai, Coimbatore, Cuttack, Dehradun, Delhi, Dhanbad, Durgapur, Faridabad, Firozabad, Gaya, Ghaziabad, Gorakhpur, Gulbarga, Guntur, Gurgaon, Guwahati, Gwalior, Haora, Hubli and Dharwad, Hyderabad, Indore, Jabalpur, Jaipur, Jalandhar, Jalgaon, Jammu, Jamnagar, Jamshedpur, Jhansi, Jodhpur, Kalyan & Dombivali, Kanpur, Karnataka, Kochi, Kolapur, Kolkata, Kota,  Loni, Lucknow,  Ludhiana, Madurai, Maheshtala, Malegoan, Mangalore, Meerut, Mira, Bhayander, Moradabad, Mumbai, Nagpur,Nanded Waghala, Nashik, Navi Mumbai, Nellore, Noida, Patna, Pimpri & Chinchwad, Pune, Raipur, Rajkot, Ranchi, Saharanpur, Salem, Sangli Miraj Kupwad, Siliguri, Solapur, Srinagar, Surat, Thane, Thiruvananthapuram, Tiruchirappalli, Tirunelveli, Udaipur, Ujjain, Ulhasnagar, Vadodara, Varanasi, Vasai Virar, Vijayawada, Visakhapatnam, Warangal.

Lap Joint Flange Exporter to all major cities in the world

We export blind flange to Seoul, Hanoi, Los Angeles, Rio de, Houston, York, Dammam, Al-Khobar, Bogota, Al-Jubail, Chiyoda, Abu Dhabi, Kuwait Santiago, Perth, Busan, London, Jakarta, Surat, Courbevoie, Dallas, Calgary, Mexico Muscat, Aberdeen, City, Edmonton, Riyadh, Caracas, Ahvaz, Brisbane, Moscow, Milan, Manama, Ulsan, Jaya, Granada, Vung Petaling, Melbourne, Montreal, Port-of-Spain, La Victoria, Istanbul, Janeiro, Karachi, New Singapore, Madrid, Lagos, Atyrau, Sydney, Kuala Dubai, City, Bangkok, Toronto, Gimhae-si, Lumpur, Jeddah, Pimpri-Chinchwad, Tehran, Doha, Ho-Chi-Minh-City, Algiers, Tau, Colombo, Ernakulam, Geoje-si, Cairo, Sharjah, Lahore.

Teshi exports Lap Joint Flanges in more than 50 countries. We have shipments going out monthly to different countries for our newly acquired customers. Our ready stock of Flanges helps us ship the Flange and meet the requirement and demands of our customers as fast as possible.

Frequently Asked Questions

Most frequent questions and answers

What is a flange lap joint?

A lap-joint flange is a two-part assembly that has a stub end that a lap-joint ring flange is put over. The stub end is then butt-welded to the pipe, and the flange ring may be adjusted to line up with the mating flange. Large or difficult-to-adjust flanges benefit the most from this form of flange connection.

What differentiates a lap joint flange from a slip-on flange?

The main distinction between slip-on and lap joint flanges is that the bore and face of a lap joint flange have a curved radius to accept a stub-end. In situations where routine disassembly for inspection is required, lap joint flanges and stub-end assemblies are frequently used.

What is a lap joint used for?

The most common two types are the flat face (FF) and the raised face (RF) blind flange. A flat face flange is completely smooth and level across the surface. The raised face flange has a slightly elevated middle area that creates two levels on the surface of the flange.

What does a lap joint in a steel structure mean?

The joint is known as a lap joint when two components are joined by overlapping. The illustration illustrates a single bolted lap joint and a twin bolted lap joint.

What benefit do lap joint flanges provide?

Lap joint flanges have a small ability to withstand pressure. But it is superior to slip-on flanges. The lap joint serves as the stub’s backing ring. The fundamental benefit of a lap joint flange is that when the welds are finished, the bolt holes may be aligned with the complementary flange.

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