Tel: +86-577-85980211  E-mail: info@wzinox.com

Wenzhou Kaixin Metal Co.,Ltd

 

Flange de aço inoxidável/

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  2. Produtos
  3. Flange de aço inoxidável
  4. Flange com colar de solda
Weld neck flange

Flange com colar de solda

Nome:  Stainless steel Weld neck flange

Tamanhos: 1/2" (15 NB) to 48" (1200NB) DN10~DN5000

Tipos de material: Carbon, Alloy and Stainless Steel .

Classe:Class 150, 300, 400, 600, 900, 1500, 2500(# or LB). PN 2.5 to PN 250.

Flange face type: Face Elevada (RF), Junta Tipo Anel (RTJ), Face Plana (FF), Macho-Fêmea Grande (LMF), Face com Junta sobreposta (LJF), Macho-Fêmea Pequena (SMF), Lingueta Pequena, Lingueta e Ranhura Grandes, Ranhura

Equipamentos:Máquina de prensagem, máquina de dobra, máquina de empurrar, máquina elétrica de chanfrar, máquina de jato de areia, etc.

Aplicativo:Bitumen upgraders.Heavy oil refineries.Nuclear power (mostly seamless).Petrochemicals and acids.

Número do modelo: KXSSWNF

Original: Wenzhou, Zhejiang

Standrad:ANSI/ASME B16.5, B16.47 Séries A e B, B16.48, BS4504, BS 10, EN-1092, DIN, Flanges ANSI, Flanges ASME, Flanges BS, Flanges DIN, Flanges EN, Flange GOST, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO 70051, JIS B2220, BS 1560-3.1, API 7S-15, API 7S-43, API 605, EN 1092

Marca: Kaixin

Técnicas: Forjado, tratado termicamente e usinado

Pacote: Pacote de exportação padrão

Preço:  2-500usd/pc

Entrega: Quantidade de acordos

Capacidade de produção: 20000pcs/month

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  • Detalhes do produto

A weld neck flange is a type of flange used for connecting pipelines in a variety of industries, including the oil and gas, chemical, and petrochemical industries. As the name suggests, the weld neck flange is welded to the end of a pipe, providing a secure and leak-proof connection.

Stainless steel weld neck flanges are widely used due to their excellent corrosion resistance and durability, making them ideal for use in harsh environments such as offshore platforms, chemical processing plants, and gas refineries. These flanges are made of high-grade stainless steel such as 304, 316, or 321, and are available in a range of sizes, pressure ratings, and configurations to suit different applications.

One of the main advantages of weld neck flanges is that they provide a strong and stable connection that can withstand high pressures, temperatures, and vibrations. The tapered neck design of the flange helps to reduce stress concentration at the base of the welding joint, making it less susceptible to cracking or failure. Additionally, the raised face of the flange provides a smooth and even sealing surface, reducing the risk of leaks or contamination.

Overall, stainless steel weld neck flanges are a reliable and long-lasting solution for joining pipelines in high-pressure and high-temperature applications. Their resistance to corrosion, chemical attack, and mechanical stress makes them an excellent choice for use in harsh environments, where safety and reliability are crucial.

Índice：

 

  1. Weld Neck Flanges Specifications
  2. Aplicativosde Flange cega
  3. Material & Grades of Blind Flanges (BLRF)
  4. Weld Neck Flange Dimensions (Cl. 150/300/900/1500/2500)
  5. ANSI B16.5 Weld Neck Flange Schedule Chart, Weld Neck Flange Thickness Chart
  6. Weld Neck Flange Weight Chart
  7. DIMENSIONAL TOLERANCE WELDING NECK FLANGE
  8. Standards Referred for WN flange
  9. Weld Neck Flanges Price List

 

 

Weld Neck Flanges Specifications

Weld Neck Flanges StandardsANSI/ASME B16.5, B16.47 Séries A e B, B16.48, BS4504, BS 10, EN-1092, DIN, flanges ANSI, flanges ASME, flanges BS, flanges DIN, flanges EN, flange GOST, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO 70051, JIS B2220, BS 1560-3.1, API 7S-15, API 7S-43, API 605, EN 1092
ASME B16.5 Weld Neck Flanges Size Chart1/2″ (15 NB) a 48″ (1200 NB) DN10 a DN5000
Weld Neck Flanges Pressure Rating ANSIClass 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Weld Neck Flanges
RevestimentoOil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized Weld Neck Flanges
PT6Bar 10Bar 16Bar 25Bar 40Bar Weld Neck Flanges
Most common types of Weld Neck FlangesForjado / Rosqueado / Aparafusado / Placa
Tipo de conexão / Tipo de face do flangeFace Elevada (RF), Junta Tipo Anel (RTJ), Face Plana (FF), Macho-Fêmea Grande (LMF), Face com Junta sobreposta (LJF), Macho-Fêmea Pequena (SMF), Lingueta Pequena, Lingueta e Ranhura Grandes, Ranhura
Técnica de produção· Forjado, tratado termicamente e usinado
TesteEspectrógrafo de leitura direta, Máquina de ensaio hidrostático, Detector de raios X, Detector de falhas ultrassônico UI, Detector de partículas magnéticas
EquipamentosMáquina de prensagem, máquina de dobra, máquina de empurrar, máquina elétrica de chanfrar, máquina de jato de areia, etc.
Weld Neck Flanges Uses & application· Unidades de melhoramento de betume.

· Refinarias de petróleo pesado.

· Energia nuclear (em grande parte sem interrupções).

· Produtos petroquímicos e ácidos.

Application of Blind Flange

Weld neck flange connections are often found in industrial applications where they are used to join pipes together in order to create larger structures such as boilers or tanks. They can also be used for connecting pumps, valves, and other pieces of equipment together. Additionally, they can be found in commercial applications such as plumbing systems, where they may be used for joining water lines together or creating drainage systems.

Weld Neck Flange Dimensions (Cl. 150/300/900/1500/2500)

WELDING NECK FLANGE DIMENSIONS IN INCHES

Desenho com as dimensões das flanges de junta sobreposta

Desenho com as dimensões das flanges de junta sobreposta

WN CLASS 150 (IN INCH)

Weld neck flange dimensions class 150 (ASME B16.5) in inches

Flange NPSInterior

Diâmetro

Exterior

Diâmetro

Bolt Circle

(BC)

Raised Face

(R)

Raised Face

(RF)

HH1Raised Face

Thickness (T)

T1Flat Face

Thickness (T2)

Bolt Hole

(B)

No. of

Orifícios para parafusos

1/2″0.62″3.50″2.38″1.38″.063″1.19″0.84″1.88″.38″1.82″.62″4
3/4″0.82″3.88″2.75″1.69″.063″1.50″1.05″2.06″.44″2.00″.62″4
1″1.05″4.25″3.12″2.00″.063″1.94″1.32″2.19″.50″2.13″.62″4
1-1/4″1.38″4.62″3.50″2.50″.063″2.31″1.66″2.25″.56″2.19″.62″4
1-1/2″1.61″5.00″3.88″2.88″.063″2.56″1.90″2.44″.62″2.38″.62″4
2″2.07″6.00″4.75″3.62″.063″3.06″2.38″2.50″.69″2.44″.75″4
2-1/2″2.47″7.00″5.50″4.12″.063″3.56″2.88″2.75″.82″2.69″.75″4
3″3.07″7.50″6.00″5.00″.063″4.25″3.50″2.75″.88″2.69″.75″4
3-1/2″3.55″8.50″7.00″5.50″.063″4.81″4.00″2.81″.88″2.75″.75″8
4″4.03″9.00″7.50″6.19″.063″5.31″4.50″3.00″.88″2.94″.75″8
5″5.05″10.00″8.50″7.31″.063″6.44″5.56″3.50″.88″3.44″.88″8
6″6.07″11.00″9.50″8.50″.063″7.56″6.63″3.50″.94″3.44″.88″8
8″7.98″13.50″11.75″10.62″.063″9.69″8.63″4.00″1.06″3.94″.88″8
10″10.02″16.00″14.25″12.75″.063″12.00″10.75″4.00″1.13″3.94″1.00″12
12″12.00″19.00″17.00″15.00″.063″14.38″12.75″4.50″1.19″4.44″1.00″12
14″13.25″21.00″18.75″16.25″.063″15.75″14.00″5.00″1.32″4.94″1.12″12
16″15.25″23.50″21.25″18.50″.063″18.00″16.00″5.00″1.38″4.94″1.12″16
18″17.25″25.00″22.75″21.00″.063″19.88″18.00″5.50″1.50″5.44″1.25″16
20″19.25″27.50″25.00″23.00″.063″22.00″20.00″5.69″1.63″5.63″1.25″20
22″21.25″29.50″27.25″25.25″.063″24.25″22.00″5.88″1.75″5.82″1.38″20
24″23.25″32.00″29.50″27.25″.063″26.12″24.00″6.00″1.82″5.94″1.38″20

WN CLASS 300 (IN INCH)

Weld neck flange dimensions class 300 (ASME B16.5) in inches

Flange NPSInterior

Diâmetro

Exterior

Diâmetro

Bolt Circle

(BC)

Raised Face

(R)

Raised Face

(RF)

HH1Raised Face

Thickness (T)

T1Flat Face

Thickness (T2)

Bolt Hole

(B)

No. of

Orifícios para parafusos

1/2″0.62″3.75″2.62″1.38″.063″1.50″0.84″2.06″.50″2.00″0.62″4
3/4″0.82″4.62″3.25″1.69″.063″1.88″1.05″2.25″.56″2.19″0.75″4
1″1.05″4.88″3.50″2.00″.063″2.12″1.32″2.44″.63″2.38″0.75″4
1-1/4″1.38″5.25″3.88″2.50″.063″2.50″1.66″2.56″.69″2.50″0.75″4
1-1/2″1.61″6.12″4.50″2.88″.063″2.75″1.90″2.69″.75″2.63″0.88″4
2″2.07″6.50″5.00″3.62″.063″3.31″2.38″2.75″.82″2.69″0.75″8
2-1/2″2.47″7.50″5.88″4.12″.063″3.94″2.88″3.00″.94″2.94″0.88″8
3″3.07″8.25″6.62″5.00″.063″4.62″3.50″3.12″1.06″3.06″0.88″8
3-1/2″3.55″9.00″7.25″5.50″.063″5.25″4.00″3.19″1.13″3.13″0.88″8
4″4.03″10.00″7.88″6.19″.063″5.75″4.50″3.38″1.19″3.32″0.88″8
5″5.05″11.00″9.25″7.31″.063″7.00″5.56″3.88″1.32″3.82″0.88″8
6″6.07″12.50″10.62″8.50″.063″8.12″6.63″3.88″1.38″3.82″0.88″12
8″7.98″15.00″13.00″10.62″.063″10.25″8.63″4.38″1.56″4.32″1.00″12
10″10.02″17.50″15.25″12.75″.063″12.62″10.75″4.62″1.82″4.56″1.12″16
12″12.00″20.50″17.75″15.00″.063″14.75″12.75″5.12″1.94″5.06″1.25″16
14″13.25″23.00″20.25″16.25″.063″16.75″14.00″5.62″2.06″5.56″1.25″20
16″15.25″25.50″22.50″18.50″.063″19.00″16.00″5.75″2.19″5.69″1.38″20
18″17.25″28.00″24.75″21.00″.063″21.00″18.00″6.25″2.32″6.19″1.38″24
20″19.25″30.50″27.00″23.00″.063″23.12″20.00″6.38″2.44″6.32″1.38″24
22″21.25″33.00″29.25″25.25″.063″25.25″22.00″6.50″2.57″6.44″1.62″24
24″23.25″36.00″32.0″27.25″.063″27.62″24.00″6.62″2.69″6.56″1.62″24

WN CLASS 400 (IN INCH)

Weld neck flange dimensions class 400 (ASME B16.5) in inches

Flange NPSInterior

Diâmetro

Exterior

Diâmetro

Bolt Circle

(BC)

Raised Face

(R)

Raised Face

(RF)

HH1Raised Face

Thickness (T)

T1Flat Face

Thickness (T2)

Bolt Hole

(B)

No. of

Orifícios para parafusos

1/2″.55″3.75″2.62″1.38″.250″1.50″0.84″2.31″0.56″2.06″0.62″4
3/4″.74″4.62″3.25″1.69″.250″1.88″1.05″2.50″0.62″2.25″0.75″4
1″.96″4.88″3.50″2.00″.250″2.12″1.32″2.69″0.69″2.44″0.75″4
1-1/4″1.28″5.25″3.88″2.50″.250″2.50″1.66″2.87″0.81″2.62″0.75″4
1-1/2″1.50″6.12″4.50″2.88″.250″2.75″1.90″3.00″0.88″2.75″0.88″4
2″1.94″6.50″5.00″3.62″.250″3.31″2.38″3.13″1.00″2.88″0.75″8
2-1/2″2.32″7.50″5.88″4.12″.250″3.94″2.88″3.37″1.12″3.12″0.88″8
3″2.90″8.25″6.62″5.00″.250″4.62″3.50″3.50″1.25″3.25″0.88″8
3-1/2″3.36″9.00″7.25″5.50″.250″5.25″4.00″3.63″1.38″3.38″1.00″8
4″3.83″10.00″7.88″6.19″.250″5.75″4.50″3.75″1.38″3.50″1.00″8
5″4.81″11.00″9.25″7.31″.250″7.00″5.56″4.25″1.50″4.00″1.00″8
6″5.76″12.50″10.62″8.50″.250″8.12″6.63″4.31″1.62″4.06″1.00″12
8″7.63″15.00″13.00″10.62″.250″10.25″8.63″4.87″1.88″4.62″1.12″12
10″9.75″17.50″15.25″12.75″.250″12.62″10.75″5.13″2.12″4.88″1.25″16
12″11.75″20.50″17.75″15.00″.250″14.75″12.75″5.63″2.25″5.38″1.38″16
14″13.00″23.00″20.25″16.25″.250″16.75″14.00″6.13″2.38″5.88″1.38″20
16″15.00″25.50″22.50″18.50″.250″19.00″16.00″6.25″2.50″6.00″1.50″20
18″17.00″28.00″24.75″21.00″.250″21.00″18.00″6.75″2.62″6.50″1.50″24
20″19.00″30.50″27.00″23.00″.250″23.12″20.00″6.87″2.75″6.62″1.62″24
22″21.00″33.00″29.25″25.25″.250″25.25″22.00″7.00″2.88″6.75″1.75″24
24″23.00″36.00″32.00″27.25″.250″27.62″24.00″7.13″3.00″6.88″1.88″24

WN CLASS 600 (IN INCH)

Weld neck flange dimensions class 600 (ASME B16.5) in inches

Flange NPSInterior

Diâmetro

Exterior

Diâmetro

Bolt Circle

(BC)

Raised Face

(R)

Raised Face

(RF)

HH1Raised Face

Thickness (T)

T1Flat Face

Thickness (T2)

Bolt Hole

(B)

No. of

Orifícios para parafusos

1/2″0.55″3.75″2.62″1.38″.250″1.50″0.84″2.31″0.56″2.06″0.62″4
3/4″0.74″4.62″3.25″1.69″.250″1.88″1.05″2.50″0.62″2.25″0.75″4
1″0.96″4.88″3.50″2.00″.250″2.12″1.32″2.69″0.69″2.44″0.75″4
1-1/4″1.28″5.25″3.88″2.50″.250″2.50″1.66″2.87″0.81″2.62″0.75″4
1-1/2″1.50″6.12″4.50″2.88″.250″2.75″1.90″3.00″0.88″2.75″0.88″4
2″1.94″6.50″5.00″3.62″.250″3.31″2.38″3.13″1.00″2.88″0.75″8
2-1/2″2.32″7.50″5.88″4.12″.250″3.94″2.88″3.37″1.12″3.12″0.88″8
3″2.90″8.25″6.62″5.00″.250″4.62″3.50″3.50″1.25″3.25″0.88″8
3-1/2″3.36″9.00″7.25″5.50″.250″5.25″4.00″3.63″1.38″3.38″1.00″8
4″3.83″10.75″8.50″6.19″.250″6.00″4.50″4.25″1.5″4.00″1.00″8
5″4.81″13.00″10.50″7.31″.250″7.44″5.56″4.75″1.75″4.50″1.12″8
6″5.76″14.00″11.50″8.50″.250″8.75″6.63″4.87″1.88″4.62″1.12″12
8″7.63″16.50″13.75″10.62″.250″10.75″8.63″5.50″2.19″5.25″1.25″12
10″9.75″20.00″17.00″12.75″.250″13.5″10.75″6.25″2.50″6.00″1.38″16
12″11.75″22.00″19.25″15.00″.250″15.75″12.75″6.37″2.62″6.12″1.38″20
14″13.00″23.75″20.75″16.25″.250″17.00″14.00″6.75″2.75″6.50″1.50″20
16″15.00″27.00″23.75″18.50″.250″19.50″16.00″7.25″3.00″7.00″1.62″20
18″17.00″29.25″25.75″21.00″.250″21.50″18.00″7.50″3.25″7.25″1.75″20
20″19.00″32.00″28.50″23.00″.250″24.00″20.00″7.75″3.50″7.50″1.75″24
22″21.00″34.25″30.63″25.25″.250″26.25″22.00″8.00″3.75″7.75″1.75″24
24″23.00″37.00″33.00″27.25″.250″28.25″24.00″8.25″4.00″8.00″2.00″24

WN CLASS 900 (IN INCH)

Weld neck flange dimensions class 900 (ASME B16.5) in inches

lange NPSInterior

Diâmetro

Exterior

Diâmetro

Bolt Circle

(BC)

Raised Face

(R)

Raised Face

(RF)

HH1Raised Face

Thickness (T)

T1Flat Face

Thickness (T2)

Bolt Hole

(B)

No. of

Orifícios para parafusos

3″2.90″9.50″7.50″5.00″.250″5.00″3.50″4.25″1.50″4.00″1.00″8
4″3.83″11.50″9.25″6.19″.250″6.25″4.50″4.75″1.75″4.50″1.25″8
5″4.81″13.75″11.00″7.31″.250″7.50″5.56″5.25″3.00″5.00″1.38″8
6″5.76″15.00″12.50″8.50″.250″9.25″6.63″5.75″2.19″5.50″1.25″12
8″7.63″18.50″15.50″10.63″.250″11.75″8.63″6.63″2.50″6.38″1.50″12
10″9.75″21.50″18.50″12.75″.250″14.50″10.75″7.50″2.75″7.25″1.50″16
12″11.75″24.00″21.00″15.00″.250″16.50″12.75″8.13″3.13″7.88″1.50″20
14″13.00″25.25″22.00″16.25″.250″17.75″14.00″8.63″3.38″8.38″1.63″20
16″15.00″27.75″24.25″18.50″.250″20.00″16.00″8.75″3.50″8.50″1.75″20
18″17.00″31.00″27.00″21.00″.250″22.25″18.00″9.25″4.00″9.00″2.00″20
20″19.00″33.75″29.50″23.00″.250″24.50″20.00″10.00″4.25″9.75″2.13″20
24″23.00″41.00″35.50″27.25″.250″29.50″24.00″11.75″5.50″11.50″2.63″20

WN CLASS 1500 (IN INCH)

Weld neck flange dimensions class 1500 (ASME B16.5) in inches

 

Flange NPSInterior

Diâmetro

Exterior

Diâmetro

Bolt Circle

(BC)

Raised Face

(R)

Raised Face

(RF)

HH1Raised Face

Thickness (T)

T1Flat Face

Thickness (T2)

Bolt Hole

(B)

No. of

Orifícios para parafusos

1/2″0.55″4.75″3.25″1.38″.250″1.50″0.84″2.63″0.88″2.38″0.88″4
3/4″0.74″5.13″3.50″1.69″.250″1.75″1.05″3.00″1.00″2.75″0.88″4
1″0.96″5.88″4.00″2.00″.250″2.06″1.32″3.13″1.13″2.88″1.00″4
1-1/4″1.28″6.25″4.38″2.50″.250″2.50″1.66″3.13″1.13″2.88″1.00″4
1-1/2″1.50″7.00″4.88″2.88″.250″2.75″1.90″3.50″1.25″3.25″1.13″4
2″1.94″8.50″6.50″3.63″.250″4.13″2.38″4.25″1.50″4.00″1.00″8
2-1/2″2.32″9.63″7.50″4.13″.250″4.88″2.88″4.38″1.63″4.13″1.13″8
3″2.90″10.50″8.00″5.00″.250″5.25″3.50″4.88″1.88″4.63″1.25″8
4″3.83″12.25″9.50″6.19″.250″6.38″4.50″5.13″2.13″4.88″1.38″8
5″4.81″14.75″11.50″7.31″.250″7.75″5.56″6.38″2.88″6.13″1.63″8
6″5.76″15.50″12.50″8.50″.250″9.00″6.63″7.00″3.25″6.75″1.50″12
8″7.63″19.00″15.50″10.63″.250″11.50″8.63″8.63″3.63″8.38″1.75″12
10″9.75″23.00″19.00″12.75″.250″14.50″10.75″10.25″4.25″10.00″2.00″12
12″11.75″26.50″22.50″15.00″.250″17.75″12.75″11.38″4.88″11.13″2.13″16
14″13.00″29.50″25.00″16.25″.250″19.50″14.00″12.00″5.25″11.75″2.38″16
16″15.00″32.50″27.75″18.50″.250″21.75″16.00″12.50″5.75″12.25″2.63″16
18″17.00″36.00″30.50″21.00″.250″23.50″18.00″13.13″6.38″12.88″2.88″16
20″19.00″38.75″32.75″23.00″.250″25.25″20.00″14.25″7.00″14.00″3.13″16
24″23.00″46.00″39.00″27.25″.250″30.00″24.00″16.25″8.00″16.00″3.63″16

WN CLASS 2500 (IN INCH)

Weld neck flange dimensions class 2500 (ASME B16.5) in inches

Flange NPSInterior

Diâmetro

Exterior

Diâmetro

Bolt Circle

(BC)

Raised Face

(R)

Raised Face

(RF)

HH1Raised Face

Thickness (T)

T1Flat Face

Thickness (T2)

Bolt Hole

(B)

No. of

Orifícios para parafusos

1/2″0.55″5.25″3.50″1.38″.250″1.69″0.84″3.13″1.19″2.88″0.88″4
3/4″0.74″5.50″3.75″1.69″.250″2.00″1.05″3.38″1.25″3.13″0.88″4
1″0.96″6.25″4.25″2.00″.250″2.25″1.32″3.75″1.38″3.50″1.00″4
1-1/4″1.28″7.25″5.13″2.50″.250″2.88″1.66″4.00″1.50″3.75″1.13″4
1-1/2″1.50″8.00″5.75″2.88″.250″3.13″1.90″4.63″1.75″4.38″1.25″4
2″1.94″9.25″6.75″3.63″.250″3.75″2.38″5.25″2.00″5.00″1.13″8
2-1/2″2.32″10.50″7.75″4.13″.250″4.50″2.88″5.88″2.25″5.63″1.25″8
3″2.90″12.00″9.00″5.00″.250″5.25″3.50″6.88″2.63″6.63″1.38″8
4″3.83″14.00″10.75″6.19″.250″6.50″4.50″7.75″3.00″7.50″1.63″8
5″4.81″16.50″12.75″7.31″.250″8.00″5.56″9.25″3.63″9.00″1.88″8
6″5.76″19.00″14.50″8.50″.250″9.25″6.63″11.00″4.25″10.75″2.13″8
8″7.63″21.75″17.25″10.63″.250″12.00″8.63″12.75″5.00″12.50″2.13″12
10″9.75″26.50″21.25″12.75″.250″14.75″10.75″16.75″6.50″16.50″2.63″12
12″11.75″30.00″24.38″15.00″.250″17.38″12.75″18.50″7.25″18.25″2.88″12

 

ANSI B16.5 Weld Neck Flange Schedule Chart, Weld Neck Flange Thickness Chart

WELDING NECK FLANGES BORES (in inchines)
Nom

Tubo

Tamanho

Exterior

Diam

Agenda

10

Agenda

20

Agenda

30

Std.

Parede

Agenda

40

Agenda

60

Extra

Strong

Agenda

80

Agenda

100

Agenda

120

Agenda

140

Agenda

160

Double

Extra

Strong

1/2”0.8400.674––0.6220.622–0.5460.546–––0.4640.252
3/4”1.0500.884––0.8240.824–0.7420.742–––0.6120.434
1”1.3151.097––1.0491.049–0.9570.957–––0.8150.599
1.1/4”1.6601.442––1.3801.380–1.2781.278–––1.1600.896
1.1/2”1.9001.682––1.6101.610–1.5001.500–––1.3381.100
2”2.3752.157––2.0672.067–1.9391.939–––1.6871.503
2.1/2”2.8752.635––2.4692.469–2.3232.323–––2.1251.771
3”3.5003.260––3.0683.068–2.9002.900–––2.6242.300
3-1/2”4.0003.760––3.5483.548–3.3643.364––––2.728
4”4.5004.260––4.0264.026–3.8263.826–3.624–3.4383.152
5”5.5635.295––5.0475.047–4.8134.813–4.563–4.3134.063
6”6.6256.357––6.0656.065–5.7615.761–5.501–5.1874.897
8”8.6258.3298.1258.0717.9817.9817.8137.6257.6257.4377.1877.0016.8136.875
10”10.75010.42010.25010.13610.02010.0209.7509.7509.5629.3129.0628.7508.5008.750
12”12.75012.39012.25012.09012.00011.93811.62611.75011.37411.06210.75010.50010.12610.750
14”14.00013.50013.37613.25013.25013.12412.81213.00012.50012.12411.81411.50011.188–
16”16.00015.50015.37615.25015.25015.00014.68815.00014.31213.93813.56413.12412.812–
18”18.00017.50017.37617.12417.25016.87616.50017.00016.12415.68815.25014.87614.438–
20”20.00019.50019.25019.00019.25018.81218.37619.00017.93817.43817.00016.50016.062–
24”24.00023.50023.25022.87623.25022.62422.06223.00021.56220.93820.37619.87619.312–
30”30.00029.37629.00028.75029.250––29.000––––––
36”36.00035.37635.00034.75035.25034.500–35.000––––––
42”42.000–––41.250––41.000–     

Weld Neck Flange Weight Chart

ANSI B16.5 WELD NECK FLANGES WEIGHT (KGS)
Nom

Tubo

Tamanho

150#300#600#900#1500#2500#
 WNS/OB/KWNS/OB/KWNS/OB/KWNS/OB/KWNS/OB/KWNS/OB/K
1/2”0.70.40.50.80.70.80.90.80.82.11.81.92.11.81.93.233
3/4”0.80.70.81.41.21.21.61.41.42.72.42.72.72.42.73.644.5
1”1.10.80.91.71.41.51.91.71.73.93.63.73.93.63.75.455
1.1/4”1.51.21.32.21.822.62.12.44.54.14.34.54.14.37.888
1.1/2”1.81.41.63.22.72.93.63.13.46.25.45.96.25.45.911.51111
2”2.72.22.63.63.23.54.73.94.411.310.511.311.310.511.3191717
2.1/2”4.43.54.15.44.55.34.85.46.816.315.81616.315.816242525
3”5.23.85.17.35.97.28.77.38.91512.316.82121.519.542.63839
3-1/2”6.456.58.97.59.211.6912.7–––––––––
4”7.55.67.511.81012.218.416.518.62423.224.531.83133645860
5”9.26.59.21612.5163128.530.838.537.539.55958.86011195101
6”11.08.111.820.216.5223736.2385048.351.5727475171146156
8”18.41320.431.225.53654.551.562.2857589124112125261220242
10”25.518.43144.3355598.576.2102123110131207184215485420465
12”3728.54763.55282.510589.5132168146187306264316698590665
14”5137.5608673108150102158198172224416–––––
16”61.544.56111288139177150225225192259567–––––
18”71.55493141115178228180285318272383736–––––
20”8572127173139228285231365376330482929–––––
24”119951902482123503723305326806329051504–––––

DIMENSIONAL TOLERANCE WELDING NECK FLANGE

CertificadoPlate thickness in mmWidth in mmLength in mm
Diâmetro externoWhen O is 24″ or less. When O is over 24″.±0.06″ ±0.12″±1.6 mm±3.2 mm
Diâmetro da superfície de contato0.06″ (1.6 mm) raised face. 0.25″ (6.4 mm) raised face.±0.03″ ±0.02″±0.8 mm±0.5mm
Diameter of Hub at Point of WeldingNPS 5 and smaller. NPS 6 and larger.+0.09″, -0.03″ +0.16″, -0.03″+2.4 mm, -0.8mm+4.0 mm, -0.8 mm
Diâmetro internoNPS 10, 12, 18, 20 and larger.+0.03″ +0.06″ +0.12″, -0.06″+0.8 mm +1.6 mm+3.2 mm, -1.6 mm
Diameter of Hub at BaseHub Base is 24″or less. Hub Base is over 24″.+0.06″ +0.12″+1.6 mm+3.2 mm
EspessuraNPS 18 and smaller. NPS 20 and larger.+0.12″ +0.19″+3.2 mm+4.8 mm
Drilling and FacingsBolt circle diameter Bolt Hole Spacing±0.06″ ±0.03″±1.6 mm±0.8 mm
Eccentricity of Bolt Circle and FacingNPS 2 1/2 and smaller. NPS 3 and larger.±0.03″ ±0.06″±0.8 mm±1.6 mm
Length Through HubNPS 10 and smaller. NPS 12 and larger.±0.06″ ±0.12″±1.6 mm±3.2 mm

Standards Referred for WN flange

Material Standards

  • ASTM A105/N For carbon steel weld neck flange
  • ASTM A182 F11, F22 for alloy steel
  • ASTM A182 F304 / F304L, F316 / F316L for stainless steel weld neck flange.

Padrões de fabricação

  • ASME B16.5
  • ASME B16.47
  • BS 3293
  • DIN 2630 PN 1 and PN 2.5, 2631 PN 6, 2632 PN 10, 2634 PN 16, 2634 PN 25, 2635 PN 40

Weld Neck Flanges Price List

Weld Neck Flange typeWeld Neck Flange Price in USD
Stainless Steel Weld Neck FlangeUSD $ 10.45 /Kg
Carbon steel Weld neck flangesUSD $ 65.89 /Kg
Alloy steel Weld neck flangesUSD $ 55.36 /Kg
ANSI b16 5 Weld neck flangesUSD $ 65.56 /Kg
ASME b16.47 Weld neck flangesUSD $ 75.56 /Kg

 

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