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6" DN150 Class2500 Stainless Steel China Weld Neck Flange ANSI ASME B16.5
6" DN150 Class2500 Stainless Steel China Weld Neck Flange ANSI ASME B16.5
6" DN150 Class2500 Stainless Steel China Weld Neck Flange ANSI ASME B16.5
6" DN150 Class2500 Stainless Steel China Weld Neck Flange ANSI ASME B16.5
6" DN150 Class2500 Stainless Steel China Weld Neck Flange ANSI ASME B16.5
6" DN150 Class2500 Stainless Steel China Weld Neck Flange ANSI ASME B16.5

6" DN150 Class2500 Stainless Steel China Weld Neck Flange ANSI ASME B16.5

Min.Order: 10
Product origin: Cangzhou, Hebei, China
Infringement complaint: complaintComplaint
US$ 1 ~ 99

Description
Welding Neck Flange
StandardANSIANSI B16.5, ASME B16.47 series A/B
DINGermany 6bar, 10bar, 16bar, 25bar, 40bar
GOSTGOST 12820/12821/12836
EN1092-1EN1092-01/05/11/12/13
JISJIS B 2220-1984, KS B1503, JIS B 2216
BS4504BS4504 BS10 Table D/E
ItemsPlate, Welding Neck, Slip on, Blind, Socket Welding, Lap joint, Threaded Flange etc. 
MaterialASTM A105 ST37.0 A350 LF2 A694 F60 A694 F70 SS304 SS321 SS316
Nominal Pressureclass150 PN16 PN10 
Applicable Mediumoil,gas,water or other medium;
TechnologyForge&CNC machining
Delivery Time15-60 days
Payment TermFOB,CIF
PackagingPlywood cases
Flange is a part connecting two pipe ends. Flange connection is a removable connection of a group of combined sealing structures connected by flanges, gaskets and bolts. Add a gasket between the two flanges and fasten them with bolts.
Different pressure flanges, with different thicknesses, use different bolts. When pumps and valves are connected with pipes, equipment components are also made of corresponding flange shapes, also known as flange connections. Generally, closed bolted components are also known as flanges, such as the connection of ventilation pipes. Such parts can be called flange parts, but this connection is only a part of the equipment, such as the connection between flanges and pumps, It is not inappropriate to call the pump a flange type part, but a relatively small valve, which can be called a flange type part.
Welding Neck flange refers to a kind of flange with cone neck and butt welding with cylinder or pipe, which belongs to integral flange.
Advantages and Disadvantages:
Advantages: due to the transition structure of the cone neck and butt welding connection, the strength and stiffness of the flange are strengthened, and the sealing performance is better than that of the flat welding flange.
Disadvantages: It needs to be made of forgings, which consumes a lot of materials and costs a lot. Suitable for high pressure, high temperature or high sealing requirements.
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