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Weld Neck Flange

(1.0)
Supplier From India
Jul-18-23

A weld neck flange is a type of flange that is joined to a piping system by butt welding. The flange consists of a circular fitting with a protruding rim around the circumference. The rim has a series of drilled holes that permit the flange to be affixed to another flange with bolts. The flange also has a long tapered hub that gradually meets the wall thickness of the pipe or fitting.

Technical Specifications:
Materials: Carbon steel, stainless steel, duplex steel, alloy steel, etc.
Dimensions: 1/2" to 24"
Class range: Class 150 to 2500 (ANSI/ASME B16.5)
Type: RF,FF,RJT
PN range: PN 2.5 to PN 250
Hub length: Short hub (SH), Long hub (LH), Extra long hub (XH)
Finish: Black, mill finish, painted, etc.

Advantages of Weld Neck Flanges:
Increased strength and durability
Reduced stress concentration
Smooth transition from flange thickness to pipe or fitting wall thickness
Easy to radiograph for flaw detection
Can be used in high pressure and high temperature applications

Applications:
Power plants
Chemical plants
Oil and gas industries
Water treatment plants
HVAC systems
Other industrial applications

Price and Minimum Quantity

Price: $2 - $2000
MOQ: Not Specified
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More Items Similiar to: Weld Neck Flange

GOLD Member
Mar-07-25
Weld Neck Flanges

Weld Neck Flanges

(2.9)
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MOQ: 100  Kilograms
Sample Available
  Metal Aids India
Supplier From Mumbai, Maharastra, India
Supplier Of Flanges
 
Made available by us is a wide and commendable range of Weld Neck Flanges (WNRF). All our products comes with welding neck, which is hot formed from a circular section of steel plate having a small co-axial hole in the center due to which these are durable. These products find their wide applications in engineering and construction industries because of rustproof construction, excellent finishing and lightweight.

Specifications:

Stainless Steel: ASTM A 182 and A 240
Grade: F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H and 904L
Duplex Stainless Steel: UNS S31803 and 2205
Super Duplex Stainless Steel: UNS S32750
Carbon Steel: ASTM A 105 and ASTM A 181
Alloy Steel: ASTM A 182, GR F1, F11, F22, F5, F9 and F91
Nickel Alloys: Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22 and C276
Copper Alloys: Copper, Brass & Gunmetal
Size: 1/8\\\\\\\" NB to 48\\\\\\\"NB
Class: 150, 300, 400, 600, 900, 1500 & 2500

Standards available:

ANSI: ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36 and ANSI B16.48
DIN: DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638 and DIN2673
B.S: BS4504, BS4504, BS1560 and BS10
GOLD Member
Feb-24-25
Weld Neck Flanges

Weld Neck Flanges

(2.9)
Ask for price
MOQ: 100  Kilograms
Sample Available
  Metal Aids India
Supplier From Mumbai, Maharastra, India
Supplier Of Flanges
 
Made available by us is a wide and commendable range of Weld Neck Flanges (WNRF). All our products comes with welding neck, which is hot formed from a circular section of steel plate having a small co-axial hole in the center due to which these are durable. These products find their wide applications in engineering and construction industries because of rustproof construction, excellent finishing and lightweight.

Specifications:

Stainless Steel: ASTM A 182 and A 240
Grade: F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H and 904L
Duplex Stainless Steel: UNS S31803 and 2205
Super Duplex Stainless Steel: UNS S32750
Carbon Steel: ASTM A 105 and ASTM A 181
Alloy Steel: ASTM A 182, GR F1, F11, F22, F5, F9 and F91
Nickel Alloys: Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22 and C276
Copper Alloys: Copper, Brass & Gunmetal
Size: 1/8" NB to 48" NB
Class: 150, 300, 400, 600, 900, 1500 & 2500

Standards available:

ANSI: ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36 and ANSI B16.48
DIN: DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638 and DIN2673
B.S: BS4504, BS4504, BS1560 and BS10
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Weld Neck Flanges

Weld Neck Flanges

(2.5)
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MOQ: Not Specified
  Arjun Enterprise
Supplier From Regina, Canada
Supplier Of Flanges
 
Description:- Weld Neck flanges
Range: - 15 NB TO 1500NB (1/2 to 60")
ANSI B 16.5 (150#, 300#, 400#, 600#, 900#, 1500# & 2500#)
Material: Stainless Steel - ASTM A-182 (304, 304L, 316, 316L
Carbon Steel - ASTM A-105, A-350 LF2, IS 2062, AS 516 Gr. 70, C45
Alloy Steel - ASTM A-182 F5, F9, F11, F12, F21, F22.
VERIFIED
Oct-08-20
Welding Neck Flange

Welding Neck Flange

(2.5)
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MOQ: Not Specified
  Zeal Consultants
Supplier From Mumbai, Maharashtra, India
Supplier Of Flanges
 
A welding neck flange (WN) features a long tapered hub that can be welded with a pipe.

This flange type is used, normally, in high-pressure and high/low temperatures applications that require an unrestricted flow of the fluid conveyed by the piping system (the bore of the flange matches with the bore of the pipe).

The absence of pressure drops prevents negative effects as turbulence and erosion/corrosion of the metals in the proximity of the flanged joints.

The tapered hub allows a smooth distribution of the mechanical stress between the pipe and the weld neck flange and facilitates the execution of radiographic inspections to detect possible leakages and welding defects.

The dimension of the flange (NPS and the pipe schedule) shall match the dimension of the connecting pipe.
VERIFIED
Oct-08-20
Long Weld Neck Flanges

Long Weld Neck Flanges

(2.5)
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MOQ: Not Specified
  Zeal Consultants
Supplier From Mumbai, Maharashtra, India
Supplier Of Flanges
 
Long weld neck flanges (LWN) are similar to weld neck flanges, with the exception that the neck (tapered hub) is extended and acts like a boring extension.

Long weld neck flanges are generally used on vessels, columns or barrels. These flange types are available also in the heavy barrel (HB) and equal barrel (E) types
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Weld Neck Flanges

Weld Neck Flanges

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MOQ: Not Specified
  Dongying Lake Petroleum Technology Co., Ltd
Supplier From China, China
Supplier Of Flanges
 
API 6A Weld Neck Flanges are pipe flanges attach by welding the pipes to the neck of the flanges. This transfers stress from the flange to the pipe instead. It also reduces the stress concentration from the base of the hub. Welding neck flanges remove stress concentration and allow full working pressure and they are often used for high pressure applications. The inside diameter of the flange is designed to match the pipe's inside diameter. Weld neck pipe flanges are typically provided with a raised face, flat face, or RTJ facing.
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Welding Neck Flange

Welding Neck Flange

(1.0)
$1
MOQ: Not Specified
  Shanghai Changhao High Pressure Pipefittings Co.,ltd
Supplier From Shanghai, China
Supplier Of Flanges
 
Welding Neck (WN) FlangeThe Welding Neck (WN) Flange is a flange designed to be welded to a pipe. The flange has a long tapered hub that is welded to the pipe to form a strong, leak-free connection. The flange also has a flat circular plate with bolt holes to secure the flange to another flange or piece of equipment.

Description
A Welding Neck (WN) Flange is a type of flange used in piping systems to connect pipes and equipment together. It is designed to be welded to the pipe or fitting and then bolted to another flange or piece of equipment. The WN flange has a long tapered neck that is welded to the pipe or fitting, and a flat face that extends out from the neck. The flat face of the flange provides a surface for the gasket to seal against, and the bolts are tightened to compress the gasket and create a leak-tight seal. The neck of the WN flange also provides reinforcement to the connection, which makes it suitable for use in high-pressure and high-temperature applications. The tapered design of the neck reduces stress concentrations and distributes the load evenly across the flange, which helps to prevent leaks and failures.
May-31-23
Weld Neck Flanges

Weld Neck Flanges

(1.0)
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MOQ: Not Specified
  Jiten Steel Industries
Supplier From Mandi Gobindgarh, Punjab, India
Supplier Of Flanges
 
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Long Weld Neck Flange

Long Weld Neck Flange

(1.0)
$20 - $2.00K
MOQ: Not Specified
  S. K. Forgefit Llp
Supplier From Rajkot, Gujarat, India
Supplier Of Flanges
 
A long weld neck flange LWN flange is a type of flange that has a long tapered neck that extends from the flange face to the pipe This longer neck provides more support to the pipe at the weld joint making it a more robust and reliable connection LWN flanges are typically used in highpressure and hightemperature applications such as in the oil and gas industry

Technical Specifications
Dimensions 12 to 24 in diameter
The neck length is typically 15 to 2 times the flange diameter
Materials Carbon Steel Stainless Steel or Alloy Steel
Pressure ratings 150 psi to 2500 psi
Temperature ratings 200F to 1000F
Types RFFFRTJ

LWN flanges are used in a variety of applications including
Oil and gas industry
Chemical industry
Power generation
Water treatment
HVAC

The benefits of using LWN flanges include
Increased strength and reliability
Longer service life
Wider range of applications
Easier to assemble and disassemble
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