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International Trade Dept.

  • Email:sales@haoindustry.com
              haopipe@gmail.com
  • Skype: haopipe
  • MSN:haopipe@hotmail.com
  • Tel:0086-512-58220050
  • Fax:0086-512-58810865
  • No.17,Southeastern Avenue, Economic Development Zone (South Area),Zhangjiagang City, Jiangsu Province, China.

Lap Joint

Your position: Home > Products  > Lap Joint > Loose Joint Flange 1.4401

Loose Joint Flange 1.4401

  • Standard:DIN 2642,DIN2641
  • Size:1/2"~24"
  • Pressure:PN10,PN16,PN25,PN40,PN64,PN100,PN160,PN250
  • Specification:LJ,PJ
  • Material:1.4401
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  • Loose Joint Flange 1.4401

Product Information

 

Lap Joint Flanges are similar to other types of industrial flanges, but it does not have a raised face. Lap joint flanges are used in conjunction with a “Lap Joint Stub End”. The total initial cost of a lap joint flange along with a stub end is around one-third higher than that of comparable welding neck flanges. The pressure holding capacity of lap joint flanges is comparatively lower, and the fatigue life for the assembly is only one tenth that of welding neck flanges.

The lap joint flange with the stub end assembly is normally used in piping systems which require regular dismantling for inspection and cleaning. These flanges slip over the pipe, and are not welded or otherwise fastened to it. Bolting pressure is transmitted to the gasket by the pressure of the flange against the back of the pipe lap (Stub End).

Benefits of using lap joint flanges:

  • Freedom to swivel around the pipe facilitates the      lining up of opposing flange bolt holes.

  • Lack of contact with the fluid in the pipe often      permits the use of inexpensive carbon steel flanges with corrosion      resistant pipe.

  • In systems which erode or corrode quickly, the      flanges may be salvaged for re-use.

 

We offer lap joint flanges manufactured at our facility to companies in various industries including shipbuilding, power generation, petrochemical plants, oil refineries, waste water treatment plants, paper mills, pharmaceutical plants and turnkey projects among others.

Our products are widely exported to countries and regions such as the United States, Europe, Russia, Turkey, Malaysia, the UAE, Saudi Arabia, Iran, Brazil, Chile, Mexico, South Africa, Jordan, Tunisia, Vietnam, Indonesia, Thailand, Singapore, Colombia, and Sri Lanka.

Lap Joint Flanges, LJ Forged Flanges Production Range

 Size: 1/2″ (15 NB) to 48″ (1200NB)

Standards: ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings

Pressure Ratings: Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc.

Carbon Steel Lap Joint Flanges: ASTM A105/A105N, A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, A694 F42, F46, F48, F50, F52, F56, F60, F65, F70, A516.60, 65, 70 (Spectacle Blind Flange, Spacer Ring/Spade Flange), Steel RST37.2, C22.8

Stainless Steel Lap Joint Flanges: ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L

Alloy Steel Lap Joint Flanges: ASTM A182 F1, F5, F9, F11, F22, F91

Special Alloy Lap Joint Flanges: Duplex, Super Duplex, Nickel Alloys

Flange Face Type: Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Coating/Surface Treatment: Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized

Value Added Services: CNC Machining, Customised Flanges

Marking & Packing

Products are packaged to ensure that there is no damage during transit. In case of exports, standard export packaging is done in wooden cases. All flanges are marked with Grade, Lot No, Size, Degree and our trade mark. On special requests we can also, make custom marking on our products.

Quality Assurance

At METLINE, all fittings and flanges are subject to strict inspection at each stage of the production process, from starting material purchasing to product dispatch. They are visually examined for conformity to ASTM, ASME, MSS, DIN, EN, and JIS codes and standards. Upon request, official certified Inspection Agencies can be called in to witness the material reports, dimensions and quality conformity of products.

Test Certificates: Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report

Key Products

  • Alloy Steel      Pipe Fittings

  • Carbon      Steel Pipe Fittings

  • Dish End |      Dished Ends

  • Steel      Fasteners

  • Ferrule      Fittings|Compression Fittings

  • Fabricated/Flanged      Pipes, Fittings

  • Investment      Casting-IC Fittings

  • Plate      Circles, Rings, Forgings

  • Stainless      Steel Pipe Fittings, Pipes

  • SS Flexible      Hose Pipes

  • Aluminium      Fittings | Flanges

  • Sanitary|Dairy      Fittings & Valves

  • Stainless      Steel Pipes | Tubes

  • Stainless      Steel Bars|Flats

  • Sanitary      Tubes, Pipes and Fittings

Special Grades

  • 2205 Duplex      Fittings

  • Copper      Nickel Pipe Fittings

  • 904L Pipe      Fittings

  • Monel Pipe      Fittings | Pipes

  • Inconel      Pipe Fittings

  • Alloy 20      Fittings

  • 201/202      Pipe Fittings

  • 304/304L      Pipe Fittings

  • 310S Pipe      Fittings

  • 316/316L      Pipe Fittings

  • 317L Pipe      Fittings

  • 321/321H      Pipe Fittings

  • 347/347H      Pipe Fittings

Buttweld Fittings

  • Buttweld      Fittings

  • Pipe Elbow

  • Pipe Tee

  • Pipe Cross

  • Pipe      Reducer

  • Pipe End      Cap

  • Pipe Bends

  • Stubend –      Lap Joint

Forged Fittings

  • Forged      Fittings

  • Pipe      Nipples

  • Socket Weld      Fittings

  • Threaded      Pipe Fittings

  • Pipe Outlet      Fittings

  • Swage      Nipples | Pipe Swage

Flanges

  • Blind      Flange

  • Flanges

  • Lap Joint      Flange

  • Plate      Flange

  • Slip On      Flanges

  • Socket Weld      Flange

  • Threaded      Flanges

  • Weld Neck      Flanges

FEATURED PRODUCTS

·         SS 304L Pipe Fittings

·         Long Radius / Short Radius Elbows

·         Stainless Steel Bends

·         Ferrule Fittings

·         904L Pipe Fittings

·         Monel Pipe Fittings

·         Inconel Pipe Fittings

 


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