• DN50 Sch40 Pn20 Class150 Forged Carbon Steel A350 Lf2 Weld Neck RF Flange
  • DN50 Sch40 Pn20 Class150 Forged Carbon Steel A350 Lf2 Weld Neck RF Flange
  • DN50 Sch40 Pn20 Class150 Forged Carbon Steel A350 Lf2 Weld Neck RF Flange
  • DN50 Sch40 Pn20 Class150 Forged Carbon Steel A350 Lf2 Weld Neck RF Flange
  • DN50 Sch40 Pn20 Class150 Forged Carbon Steel A350 Lf2 Weld Neck RF Flange
  • DN50 Sch40 Pn20 Class150 Forged Carbon Steel A350 Lf2 Weld Neck RF Flange

DN50 Sch40 Pn20 Class150 Forged Carbon Steel A350 Lf2 Weld Neck RF Flange

Standard: ANSI, DIN, GB, JIS, GOST, BSW
Type: Welding Flange
Material: Carbon Steel
Structure: Round
Connection: Welding
Sealing Surface: RF
Samples:
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Basic Info.

Model NO.
2" DN50 Class150
Manufacturing Way
Forging
Port of Delivery
Tianjin
Transport Package
Wooden Case
Specification
2" DN50 Class150
Trademark
XINQI
Origin
Cangzhou
HS Code
7307910000
Production Capacity
1000pieces/Day

Product Description

Welding Neck Flange
Standard ANSI ANSI B16.5, ASME B16.47 series A/B
DIN Germany 6bar, 10bar, 16bar, 25bar, 40bar
GOST GOST 12820/12821/12836
EN1092-1 EN1092-01/05/11/12/13
JIS JIS B 2220-1984, KS B1503, JIS B 2216
BS4504 BS4504 BS10 Table D/E
Items Plate, Welding Neck, Slip on, Blind, Socket Welding, Lap joint, Threaded Flange etc. 
Material ASTM A105 ST37.0 A350 LF2 A694 F60 A694 F70 SS304 SS321 SS316
Nominal Pressure class150 class300 class600 class900 PN10  PN16 PN25 PN40 PN63 PN100 PN160
Applicable Medium oil,gas,water or other medium;
Technology Forge&CNC machining
Delivery Time 15-60 days
Payment Term EXW,FOB,CFR,CPT ,CIF,CIP,DDU,DDP
Packaging Plywood 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.

DN50 Sch40 Pn20 Class150 Forged Carbon Steel A350 Lf2 Weld Neck RF FlangeDN50 Sch40 Pn20 Class150 Forged Carbon Steel A350 Lf2 Weld Neck RF FlangeDN50 Sch40 Pn20 Class150 Forged Carbon Steel A350 Lf2 Weld Neck RF FlangeDN50 Sch40 Pn20 Class150 Forged Carbon Steel A350 Lf2 Weld Neck RF FlangeDN50 Sch40 Pn20 Class150 Forged Carbon Steel A350 Lf2 Weld Neck RF FlangeDN50 Sch40 Pn20 Class150 Forged Carbon Steel A350 Lf2 Weld Neck RF FlangeDN50 Sch40 Pn20 Class150 Forged Carbon Steel A350 Lf2 Weld Neck RF Flange

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Manufacturer/Factory
Registered Capital
50000000 RMB
Plant Area
>2000 square meters