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Lap Joint or Loose Flanges Manufacturers & Suppliers

The lap joint flange has a similar shape with slip on flange, and similar dimensions too. However, lap joint flanges are not widely used in high pressure conditions, but it is generally suitable for piping systems where the assembly and disassembly of the pipeline is frequent.

Lap Joint or Loose Flange Available for Sale in Sizes 1/2″ to 60″
Material Grades: Stainless Steel, Carbon Steel, Alloy Steel, Cupro Nickel (90/10, 70/30, 66/30/2/2), Hastelloy (C-4, C-22, C276, B-2), Nickel (200 / 201), Monel (400 & K500), Inconel (600, 601, 625 & 825), Incolloy (800, 800H), Alloy 20, Duplex Steel, SS 904L, Titanium (1 & 2) Etc.
Pressure Rating: 150 to 2500 Class, PN 2.5 to PN 100
Lap Joint or Loose Flange Manufactured in Various Standards & Specifications including ANSI/ASME Flanges, BS Flanges, DIN Flanges, EN 1092-1 Flange, JIS Flange
Certification as per EN 10204 3.1
Manufacturing Specification: A182, A240

Metline is a professional manufacturer and exporter of lap joint flanges (loose flanges) with in-house precision machining facilities. We produce lap joint flanges as per ANSI B16.5, DIN Standard and EN1092-1 in size range of 1/2” to 24” NPS. We can also produce and supply lap joint flanges for high pressure and high temperature applications. We produce lap joint flanges in carbon steel, stainless steel, high nickel alloys, duplex/super duplex, copper nickel, titanium and special alloys.

Our manufacturing process for lap joint flanges includes an adequate heat treatment and the examination of chemical and mechanical properties. We have CNC machines as well as conventional lathe machines for machining and processing various types of lap joint or loose flanges.

Lap joint flanges are generally made from forged bar stock. The raw materials used for manufacturing lap joint flanges include raw round bar of diameter size 20~400mm OD or billets for large size flanges.

Why Choose Metline, as Your Source for Lap Joint or Loose Flanges?

More Than 3 Decades of Experience in Stock & Supply of Lap Joint or Loose Flanges
Best Prices For Lap Joint or Loose Flanges Manufactured by Metline and Exported Worldwide
Exporting Lap Joint or Loose Flanges is Our Specialty
We Can Handle the Logistics for You – We can offer Exworks, FOB, CFR, CIF Delivery to Any Port
Documents We Provide Include – Certificate of Origin, Invoice & PL Attested by Chamber of Commerce, Test Certificates as per EN 10204 3.1, Other Testing Reports, as may be Required by Our Customers.
Complete Traceablility for Lap Joint or Loose Flanges – All Our Products will have Complete Marking on Flanges and/or Packaging, and the Details can be co-related to the Test Certificates.

SKU: TMF1372 Categories: Lap Joint/Loose Flange, Pipe Flanges

Description

Lap Joint/Loose Flange Manufacturers & Suppliers! Carbon, Alloy & Stainless Steel Lap Joint/Loose Flanges

ANSI/ASME Lap Joint/Loose Flange, BS Lap Joint/Loose Flange, DIN Lap Joint/Loose Flange, EN 1092-1 Lap Joint/Loose Flange, JIS Lap Joint/Loose Flange Manufacturer & Supplier – Email Us for Best Prices!

What is a Lap Joint/Loose Flange: A lap joint flange (loose flange) consist two parts,the backing flange and the stud end, the stub end will be butt welded to the pipe,and the lap joint flange will be slip around the stub end.The lap joint flange is not connected to the pipe and stub end directly,so it could be rotated,it is convenient to install the flange connection if there is some misalignment between the bolt holes.
Material Grades for Lap Joint or Loose Flange: The stub end and lap joint flange are two separate pieces, so they could be different material grades. Generally, a carbon steel lap joint flange (low cost) is used together with a stainless steel stub end. The butt weld end of the stub-end is like the neck of the weld neck flange, the diameter and thickness is according to the pipe for connection.
Sealing Face of Lap Joint or Loose Flange: For other type of flanges like weld neck flange or slip on flange, they could be raised face or flat face or other type of sealing face. But the lap joint flange (Loose flange) only have a flat face, the stub end face is the sealing face in the two lap joint flanges connections, so the stub end should have a same dimensions with the raised face standard.

Metline is a large producer of stainless steel, carbon steel, alloy steel and special alloy lap joint or loose flanges in size range of 1/2″ to 60″. We produce and forge lap joint flanges to specifications of ASME B16.5, ASME B16.47, ASME B16.48, BS EN 1092, BS 4504, API-605, API-590, MSSSP44, DIN 2632 to 2638, DIN 2576, 2642, 2527, 2566. At Metline, lap joint or loose flange cover a full range of pressure ratings of these specifications (150 – 2500 psi for ASME & PN6-PN400 for DIN/EN flanges). We also specialize in producing non-standard lap joint flanges in aluminium, special alloys and copper nickel.

Production & Supply Range for Lap Joint or Loose Flanges

Product	Lap Joint or Loose Flange, as per ASTM A182, A240
Materials	Stainless Steel, Carbon Steel, Alloy Steel, Cupro Nickel (90/10, 70/30, 66/30/2/2), Hastelloy (C-4, C-22, C276, B-2), Nickel (200 / 201), Monel (400 & K500), Inconel (600, 601, 625 & 825), Incolloy (800, 800H), Alloy 20, Duplex Steel, SS 904L, Titanium (1 & 2) Etc.
Size	1/2″ to 60″, DN 15 to DN 1500
Face Type	Flat Face Flange (FF) Raised Face Flange (RF) Ring Joint Flange (RTJ) Lap Joint Flange Male and Female Flange (M&F) Large and Small Tongue and Groove Flange (T&G)
Product Type	Forged Flanges, Blind Flanges, Spectacle Blinds, High Hub Blinds, Orifice Flanges, Slip-on Flanges, Socket Weld Flanges, Weld Neck Flanges, Flat Flanges, Lap Joint Flanges, Threaded Flanges, Reducing Flanges, Weld Neck Flanges Series A or B, Square Flanges, Groove & Tongue Flanges, Long Neck Weld Flanges, Screwed Flanges, Ring Type Joint Flanges, Flange Facing Type & Finish, Spades and Ring Spacers (part of flange connection), Weldo Flange / Nipo Flange, Expander Flange
Surface Treatment	Anti-Rust Oil, Painting ( Black, Yellow), Galvanizing, Power Coating
Pressure	ANSI	Class 150, 300, 600, 900, 1500, 2500 lbs
	DIN	PN6, PN10, PN16, PN25, PN40
	GOST	PN6, PN10, PN16, PN25, PN40, PN63, PN100
	EN1092-1	PN6, PN10, PN16, PN25, PN40, PN63, PN100
	JIS	5K, 10K, 16K, 20K, 30K, 40K
	BS4504	PN6, PN10, PN16, PN25, PN40
Size	ANSI	1/2″ – 80″
	DIN	DN15-DN2000
	GOST	DN15-DN1600
	EN1092-1	DN15-DN2000
	JIS	15A-1500A
	BS4504	DN15-DN2000
Certification	EN 10204 3.1 Mill Test Report
Usage	Used for the connection of all kinds of piping systems to convey the water, steam, air, gas and oil
Package	Plywood Pallet, Wooden Pallet, Wooden Case etc.
Delivery	Within 7 Days, For Production QTY’s within 30-40 Days

Additional information

Product	Steel Flanges
Brand	METLINE
Product Types	Weld Neck, Threaded, Slip-On, Socket Weld, Lap Joint, Blind, Orifice Flange, Orifice Plate and Restriction Orifice Plate, Spectacle Blind, Spacer, Blanks
Pressure Ratings	ASME FLANGES – B16.5 (150 CLASS, 300 CLASS, 600 CLASS, 900 CLASS, 1500 CLASS, 2500 CLASS) EN1092-1 PN FLANGES – PN 6 – 100
Size Range	1/2" (DN15) ~ 60" (DN1500)
Face Type	Flat Face (FF), Raise Face (RF), Ring Joint (RJT)
Finish	Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized
Dimensions	-ANSI / ASME Flanges : ANSI/ASME B16.5, ANSI/ASME B16.47 Series A (MSS SP-44), ANSI/ASME B16.47 Series B (API 605),ANSI/ASME B16.36, ANSI/ASME B16.48 (API 590) -BS Flanges: BS10 Table D, E, F, H, J, K, R, S, T, BS4504 Code 101, 105, 111, 112, 113, BS1042 -DIN Flanges: DIN2527, DIN2573, DIN2576, DIN2502, DIN2503, DIN2543, DIN2544, DIN2545, DIN2630, DIN2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2628, DIN2629, DIN2627, DIN2641, DIN2642, DIN2652, DIN2653, DIN2655, DIN2656, DIN2673, DIN2674, DIN2675, DIN2676, DIN2558, DIN2561, DIN2565, DIN2566, DIN2567, DIN2568, DIN2569, DIN28115, DIN86029, DIN86030 -EN 1092-1 Flanges: Type 01 Plate Flange (slip on) for Welding, Type 02 Loose Plate Flanges with Weld On Plate Collar or for lapped pipe end, Type 04 Loose Plate Flanges with Weld Neck Collar, Type 05 Blind Flange, Type 11 Weld Neck Flange, Type 12 Hubbed Slip On Flanges for Welding, Type 13 Hubbed Threaded Flanges, Type 21 Integral Flange, Type 32 Weld on Plate Collar, Type 33 Lapped Pipe End, Type 34 Weld neck Collar, Type 35 Welding Neck, Type 36 Pressed collar with long neck, Type 37 Pressed Collar -JIS Flanges: JIS B2220
Certificate	CE/ISO/PED, EN 10204 3.1
Non-Destructive Testing	Penetration Test, UltrasonicTest, Radiographic Test, Any Third Parties Inspection
Carbon Steel	ASTM A 105, ASTM A 181, ASTM A 350, ASTM A 516, ASTM A 694, ASTM A 36
Alloy Steel	ASTM A182 F5, F9, F11, F22
Stainless Steel	ASME/ASTM SA/A182 F304/F304L, F316/F316L, 309, 310, 317L, 321, 347, 904L
Duplex Stainless Steel	ASTM/ASME SA182 F44, F45, F51(S31803), F53(S32750), F55(S32760), F60, F61
Special Alloys	904L, N04400, N08810, N08020, N06625, UNS 10276 ( HASTELLOY C276), INCONEL 825, INCONEL (600), C70600