DIN Weld Neck Flange->Flange

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DIN Weld Neck Flange

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Machinery on-line->Piping System(Pipes,Valves,Fittings)->Flanges->Flange

Product Specification

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Product Detail

Type: Welding neck flange
Usage: Building
Standard: ANSI, DIN, JIS, EN1092-1, UNI1092-1, 12802-80
Material: Carbon steel (A105, Q235, ST37.2, SS400). Stainless steel (201, 304, 316, 316L)
Export Markets: Global
Trademark: LUJIN
Packing: Box
Origin: China
Production Capacity: 12000 pcs/Day
15 days shipment date
Safety plywood packing
Full insurance
To 126 countries
One stop service
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LUJIN'S OUTSTANDING ADVANTAGE

1. We manufacture a wide range of flange to meet your different demands: Blind flange, Plate flange, Slip on flange, Weld neck flange, Threaded flange.
2.20 years manufacturing experience.
3. LUJIN is your best choice of one-stop flange procurement.
4. Professional flange Supplier.
5. Flange Manufacturer.
6. Flange Exporter.
7. Flange Factory.
8. Flange Enterprise.
9. Flange Company.

Welding-Neck

WELDING NECK FLANGES are distinguished from other types by their long tapered hub and gentle transition of thickness in the region of the butt weld joining them to the pipe. The long tapered hub provides an important reinforcement of the flange proper from the standpoint of strength and resistance to dishing. The smooth transition from flange thickness to pipe wall thickness effected by the taper is extremely beneficial under conditions of repeated bending, caused by line expansion or other variable forces and produces an endurance strength of welding neck flanged assemblies equivalent to that of a butt welded joint between pipes, which, in practice, is the same as that of unwelded pipe. Thus this type of flange is preferred for every severe service condition, whether this results from high pressure or from sub-zero or elevated temperature, and whether loading conditions are substantially constant or fluctuate between wide limits.

Standard: ANSI B16.5, ANSI B16.47 Series A & B, ANSI B16.48, API 605, API 16D, API 17D, BS4504, BS3293, DIN, AS, JIS

Material:

Carbon Steel: ASTM A105, ASTM A350 LF1, LF2 CL1/CL2 LF3 CL1/CL2, ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65, F70
Stainless Steel: ASTM A182 F304/304L, F316/316L, F316H, F316Ti, F321, F44(UNS S31254)
Alloy Steel: ASTM A182 F1, F5/a, F9, F11, F12, F22, F91
Duplex&Super Duplex Steel: ASTM A182 F51/UNS S31803, F53/UNS S32750 F55/UNS S3260
Special Alloy Steel: Monel400, Inconel 600, Inconel 625, Inconel 800, Inconel 825, Inconel C276

Size: 1/2"-60"

Types of Flanges Available: Weldnecks, Slip-Ons, Threaded, Blind, Socketweld, Lap-Joint, Orifice, Reducing Flange and Specials.

Types of Flange Faces: Raised Face, Flat-Face, Ring Joint, Tongue & Groove, and Male & Female.


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