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WN Flange, ASTM A815 UNS S32750, 1-1/4 Inch, SCH 40, RF, 300 Class, B16.5

WN Flange, ASTM A815 UNS S32750, 1-1/4 Inch, SCH 40, RF, 300 Class, B16.5

Flange Size: DN32 (1-1/4 Inch)

Flange rating: 300 LB (PN50)

Wall Thickness: SCH 40

Flange face: RF

Material: ASTM A815 UNS S32750

 

ASME B16.5 Class 300

Weld Neck Flange Dimensions

Size in Inch Size in mm Outer Diameter Flange Thickness Hub OD Weld Neck OD Welding Neck Length Bore RF Diameter RF Height PCD Weld Face
    A B C D E F G H I J
1/2 15 95 12.7 38 21.3 51 Welding Neck bore is derived from the pipe schedule 34.9 2 66.7 1.6
3/4 20 115 14.3 48 26.7 56 42.9 2 82.6 1.6
1 25 125 15.9 54 33.4 60 50.8 2 88.9 1.6
1 1/4 32 135 17.5 64 42.2 64 63.5 2 98.4 1.6
1 1/2 40 155 19.1 70 48.3 67 73 2 114.3 1.6
2 50 165 20.7 84 60.3 68 92.1 2 127 1.6
2 1/2 65 190 23.9 100 73 75 104.8 2 149.2 1.6
3 80 210 27 117 88.9 78 127 2 168.3 1.6
3 1/2 90 230 28.6 133 101.6 79 139.7 2 184.2 1.6
4 100 255 30.2 146 114.3 84 157.2 2 200 1.6
5 125 280 33.4 178 141.3 97 185.7 2 235 1.6
6 150 320 35 206 168.3 97 215.9 2 269.9 1.6
8 200 380 39.7 260 219.1 110 269.9 2 330.2 1.6
10 250 445 46.1 321 273 116 323.8 2 387.4 1.6
12 300 520 49.3 375 323.8 129 381 2 450.8 1.6
14 350 585 52.4 425 355.6 141 412.8 2 514.4 1.6
16 400 650 55.6 483 406.4 144 469.9 2 571.5 1.6
18 450 710 58.8 533 457 157 533.4 2 628.6 1.6
20 500 775 62 587 508 160 584.2 2 685.8 1.6
24 600 915 68.3 702 610 167 692.2 2 812.8 1.6

 

 

 

Flanges play a crucial role in various industries and applications where the connection between pipes, valves, and equipment is required. The importance of flanges lies in their ability to provide secure connections, sealing, strength, flexibility, alignment, accessibility, standardization, and safety within piping systems. They are vital components that contribute to the efficient and reliable operation of various industries, including oil and gas, chemical, power generation, water treatment, and many others.

 

 

The neck welded flange (WN Flange) is suitable for various high-temperature and high-pressure pipeline systems, and its common functions include the following aspects:

1. Connecting pipelines: A weld neck flange is a type of pipeline connector commonly used to connect two pipelines used for transporting liquids or gases, serving as a connecting device to ensure the normal flow of liquids or gases.

2. Improve safety: Using welding neck flanges to connect pipelines can improve the safety and stability of the pipeline, and reduce the risk of leakage in the pipeline system.

3. Adaptation to high temperature and high pressure: The welded neck flange can withstand high temperature and high pressure, and is suitable for various high temperature and high pressure working environments to ensure the normal operation of the pipeline system.

 

 

Material:  

Carbon Steel

ASTM A105, ASTM A350 LF1, ASTM A350 LF2,

S235JR, P245GH, P250GH, P280GH,

ASTM A694 F42, ASTM A694 F46, ASTM A694 F52, ASTM A694 F56, ASTM A694 F60, ASTM A694 F65, ASTM A694 F70, etc

Stainless Steel

ASTM A182 F304, ASTM A182 F304L, ASTM A182 F304H,

ASTM A182 F316, ASTM A182 F316L, ASTM A182 F317, ASTM A182 F317L,

ASTM A182 F321, ASTM A182 F310, ASTM A182 F347, etc.

 Alloy Steel

ASTM A182 F1, ASTM A182 F5, ASTM A182 F9, ASTM A182 F11, ASTM A182 F22, ASTM A182 F91, etc.

Duplex and super duplex steel

ASTM A815 UNS S31803, ASTM A815 UNS S32205,

ASTM A815 UNS S32750, ASTM A815 UNS S32760  

 

 

Specification:

Size Range: DN15-DN2000, 1/2 Inch-80 Inch 

Face Finish: RF, FF, RTJ, TF, GF

Standard & Pressure Ratings:  

1. ANSI/ASME/ASTM B16.5/B16,47: 150 LB, 300 LB, 600 LB, 900 LB, 1500 LB, 2500 LB

2. DIN/UNI: PN6, PN10, PN16, PN25, PN40, PN64

 

 

Service:

Surface Treatment: Black painting, anti-rust varnish, anti-rust oil, hot-galvanized

Non-destructive Testing: penetration test, ultrasonic test, radiographic test

Certificate: CE, ISO, PED, TS, BV, CQC Certificate

Packing: Plywood Case or Pallet

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