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Integral Flanges (Long Weld Neck Flanges)

  • FOB PriceUSD 1 - 1,900/Piece
  • PortNingbo or Shanghai Port
  • MOQ1 Piece
  • Supply Ability1000 Pieces Per Day
  • Payment TermsL/C,T/T,Western Union,MoneyGram
  • PackagingSeaworthy plywood cases or pallets
  • Delivery2 - 10 days

Detailed description
Specification:

Size: 1/2" (DN15) - 100" (DN2500)

Brand Name: Yaang

Class: Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500, etc

Specialize: As per drawing


Standard:
ANSI/ASME:
ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
DIN:
DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
B.S:

BS4504, BS4504, BS1560, BS10, etc


A Integral Flange which is also called Long weld neck flange (LWN flange), is used for high pressure situations, integral hub weld neck flanges are used and for very high pressure cases Long Welding Neck flanges are preferred. In this case, the weld are far from the ring to avoid bending stresses and weld stress being combined.

Long Weld Neck Flange is similar to Welding Neck Flange with extensive large neck/bore used to weld against other pipe or fittings.

Long Weld Neck Flange is special purpose flange. Unlike standard weld neck, it is manufactured with large neck from forging stock or can be directly machined from a forged round bar.


Integral Flanges (Long Weld Neck Flanges) Material:
Stainless Steel Integral Flanges (Long Weld Neck Flanges) : ASTM A182, A240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L

Carbon Steel Integral Flanges (Long Weld Neck Flanges) : ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F70

Alloy Steel Integral Flanges (Long Weld Neck Flanges) : ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91

Duplex Steel Integral Flanges (Long Weld Neck Flanges) : ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61

Super Duplex Integral Flanges (Long Weld Neck Flanges) : ASTM / ASME A/SA 182, A240 F 44, F 45, F51, F 53, F 55, F 60, F 61

Nickel Alloy Integral Flanges (Long Weld Neck Flanges) :Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II)

Copper Alloy Integral Flanges (Long Weld Neck Flanges) : UNS No. C10100, 10200, 10300, 10800, 12000, 12200, 70600, 71500, UNS No. C 70600 (Cu -Ni- 90/10), C 71500 (Cu-Ni-70/30)

Low Temperature Carbon Steel Integral Flanges (Long Weld Neck Flanges) : ASTM A350, LF2, LF3


Applications Of Integral Flanges (Long Weld Neck Flanges)
Integral Flanges (Long Weld Neck Flanges) are used in Chemical and petrochemical processing.
Integral Flanges (Long Weld Neck Flanges) are used in electronics.
Integral Flanges (Long Weld Neck Flanges) are used in processing equipment for maintaining product purity in handling foods, synthetic fibers.

Integral Flanges (Long Weld Neck Flanges) are used in marine and offshore engineering.


Dimensions of Integral Flanges (Long Weld Neck Flanges)

Dimensions of Integral Flanges (Long Weld Neck Flanges)

ANSI Class 300, ASME B16.5

Pipe Size

(NPS)

 Outside

Diameter

of

Flange

A

 Diameter

of

Raised

Face

B

 Thickness

of

Flange


C

 Diameter

of

Bore


D

 Diameter

of Hub

at Base


J

 Length

of

Hub


K

 Nunber

of

Bolt

Holes

 Diamete

of

Bolt

Holes

 Bolt

Circle

Diameter


P

 Approx.

Weight
1/2 3 3/4 1 3/8 9/16 0.50 1 1/2 9 4 5/8 2 5/8 5
3/4 4 5/8 1 11/16 5/8 0.75 1 7/8 9 4 3/4 3 1/4 9
1 4 7/8 2 11/16 1.00 2 1/8 9 4 3/4 3 1/2 10
1 1/4 5 1/4 2 1/2 3/4 1.25 2 1/2 9 4 3/4 3 7/8 14
1 1/2 6 1/8 2 7/8 13/16 1.50 2 3/4 9 4 7/8 4 1/2 17
2 6 1/2 3 5/8 7/8 2.00 3 1/4 9 8 3/4 5 19
2 1/2 7 1/2 4 1/8 1 2.50 3 15/16 9 8 7/8 5 7/8 28
3 8 1/4 5 1 1/8 3.00 4 5/8 9 8 7/8 6 5/8 36
3 1/2 9 5 1/2 1 3/16 3.50 5 1/4 9 8 7/8 7 1/4 45
4 10 6 3/16 1 1/4 4.00 5 3/4 12 8 7/8 7 7/8 54
5 11 7 5/16 1 3/8 5.00 7 12 8 7/8 9 1/4 86
6 12 1/2 8 1/2 1 7/16 6.00 8 1/8 12 12 7/8 10 5/8 108
8 15 10 5/8 1 5/8 8.00 10 1/4 12 12 1 13 150
10 17 1/2 12 3/4 1 7/8 10.00 12 5/8 12 16 1 1/8 15 1/4 218
12 20 1/2 15 2 12.00 14 3/4 12 16 1 1/4 17 3/4 289
14 23 16 1/4 2 1/8 14.00 16 3/4 12 20 1 1/4 20 1/4 342
16 25 1/2 18 1/2 2 1/4 16.00 19 12 20 1 3/8 22 1/2 426
18 28 21 2 3/8 18.00 21 12 24 1 3/8 24 3/4 493
20 30 1/2 23 2 1/2 20.00 23 1/8 12 24 1 3/8 27 575
22 - - - - - - - - - -
24 36 27 1/4 2 3/4 24.00 27 5/8 12 24 1 5/8 32 823
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Address：Longwan District, Wenzhou, Zhejiang Province, China.

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Yaang Pipe Industry Co., Ltd. is an international supplier of piping solutions for flange, butt welding fittings, socket welding fittings and threaded fittings. Our products are widely used in different industrial fields, including oil and gas, chemical industry, petrochemical industry, power plant, pulp and paper industry, environmental and water conservancy engineering, engineering projects, etc.

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