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Welding Neck Flange

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Steel Flange

Minimum Order:1 Pieces

Productivity:10000 pcs/month

Trademark:Manyuan

Material:Stainless Steel

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Yanshan County Man Pipe Fittings Manufacture Co.,Ltd.

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China (Mainland)China (Mainland)

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Welding Neck Flange (032)

Price Valid Time:From Feb 01,2012 To Feb 01,2013

Manufacturing Way:Forging

Minimum Order:1 Tons

Productivity:35, 000 Tons/Year

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Wuxi Hua'an Flanges Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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ansi b16.5 class 150 weld neck flange

Details: ansi b16.5 class 150 weld neck flange TypePlate Flanges, Flat Flanges, Slip on Flange, Welding Neck Flange, Long Welding Neck Flange, Blind Flan...

RANFLEX METAL

Business Type:Manufacturers

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IndiaIndia

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Welding Neck Flange

Model / Specifications:F01

Details: Welding Neck Flange,Welding Neck Flange,Welding Neck Flange,Welding Neck Flange,Welding Neck Flange,Welding Neck Flange,Welding Neck Flange,Weldin...

Sino Base Metal Co., Limited

Business Type:Manufacturers

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 China China

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welding neck flange

Model / Specifications:EVK flange-3

Price Range:negotiation

Brand Name:EVK

Standard or Nonstandard:Standard

Details: 1) Flanges Type: Plate-type Flat Welding Flange, Butt Welding Ring Loose Flange, Slip on Neck Flange, Welding Neck Flange, Long Welding Neck F...

EVK Fitting Group Co.,Ltd

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Plate Flange

Price Range:US $10 - 100

Material:Stainless Steel

Standard:DIN

Details: Flange (Plate Flange, Welding Neck Flange, Slip on Flange, Welding Neck Flange, ThreadedFlange Threaded Flange):...Place of Origin: CN;HEB

Hebei Kairui Pipe Fittings Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Cangzhou Shouxin Flange&Fittings Co., Ltd.

Unit Price:US $ 10/ Piece

Productivity:1000mt

Minimum Order:100 Pieces

HS Code:73079300

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Cangzhou Shouxin Flange&Fittings Co., Ltd.

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China (Mainland)China (Mainland)

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Flange - 11

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Wenzhou Zhonghao Imports & Exports Co., Ltd.

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China (Mainland)China (Mainland)

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Forged Weld Neck Flange

Price Valid Time:From Jan 19,2012 To Jan 01,2013

Manufacturing Way:Forging

Minimum Order:10 Pieces

Productivity:15000PCS/Year

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Wenzhou Jijia Steel Industry Co., Ltd.

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ChinaChina

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welding neck flange

Details: Product Description1) Flanges Type: Plate-type Flat Welding Flange, Butt Welding Ring Loose Flange, Slip on Neck Flange, Welding Neck Flange, ...

EVK FITTING GROUP CO.,LIMITED

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Flange-2

Manufacturing Way:Forging

Export Markets:North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Origin:China

Shipment Terms:by Sea or Airs

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Yangzhou Baocheng Flange Forging Co., Ltd.

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ChinaChina

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ASTM F51, S31803 (2205) , API 6bx Wnrtj Flange

Price Valid Time:From Oct 31,2011 To Oct 31,2012

Manufacturing Way:Forging

Minimum Order:1 ton

Productivity:5000ton/Year

Details:

TianYuan (HK) International Limited

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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ANSI B16.5 Stainless Steel Blind flange

Model / Specifications:BL

Size:1/2" to 24"

Material:Stainless Steel

Standard:ANSI

Brand Name:SDF

Details: 1. Type: Plate-type Flat Welding Flange, Butt Welding Ring Loose Flange, Slip on Neck Flange, Welding Neck Flange, Long Welding Neck Flange, Bli...

Shanxi Shuangling Forging Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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carbon steel blind flange

Details: 1) Flanges Type: Plate-type Flat Welding Flange, Butt Welding Ring Loose Flange, Slip on Neck Flange, Welding Neck Flange, Long Welding Neck Flan...

Cino Valve Industrial Co.,Ltd

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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DIN forged Flange

Details: (1)Flanges Type: Plate-type Flat Welding Flange, Butt Welding Ring Loose Flange, Slip on Neck Flange, Welding Neck Flange, Long Welding Neck Flang...

Hebei Horse Pipeline Equipment Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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ANSI B16.5 Stainless Steel Blind flange

Size:1/2''-24''

Material:Stainless Steel

Standard:ANSI

Brand Name:ZD

Details: (1) Flanges Type: Plate-type Flat Welding Flange, Butt Welding Ring Loose Flange, Slip on Neck Flange, Welding Neck Flange, Long Welding Neck ...

Shanxi Zhongdi Industrial Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Forged EN1092 Welding Neck Flange

Model / Specifications:ANSI, DIN, UNI, EN1092, BS, JIS

Size:1/2"-60"

Material:Carbon Steel

Standard:EN

Brand Name:JN

Details: 1Flanges TypePlate Flange, Flat Flange, Slip on Flange, Welding Neck Flange, Long Welding Neck Flange, Blind Flange, Socket Welding Flange, Thread...

JN Piping & Equipment Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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stainless steel flange

Model / Specifications:stainless steel flange

Price Range:6.4$-300$

Size:1/2"-24"

Material:Stainless Steel

Standard:JIS

Brand Name:XY

Details: Blank Flange,Downward Welding Neck Flange,Butt Welding Neck flange, Socket Welding Flange, Threaded Flange, Flange Cover, Hubbed Stainless steel f...

Cangzhou Xingye Pipe Fitting Co.,ltd

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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belt neck plate flange(neck flange,threaded flange,welding neck flange)

Material:Stainless Steel

Standard:DIN

Details: belt neck plate flange(neck flange,threaded flange,welding neck flange)had passed CE centificate and good quality and competitiv...Material: Stain...

Wenzhou Zhiju Pipe Fitting Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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PN16 BL Flange

Details: ansi flange (1) Flanges Type: Plate-type Flat Welding Flange, Butt Welding Ring Loose Flange, Slip on Neck Flange, Welding Neck Flange, Long ...

Hebei Gee Pipe Mill Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Anchor Flange ASTM A694-F60

Details: Flanges: (1) Flanges Type: Anchor flange. Plate-type Flat Welding Flange, Butt Welding Ring Loose Flange, Slip on Neck Flange, Welding Neck Fl...

Shanghai Changhao High Pressure Pipe Fittings Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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ANSI 304/316 stainless steel welding flange

Model / Specifications:GSXJ-0025

Size:DN10-DN2000

Material:Stainless Steel

Standard:DIN

Brand Name:GISSUN

Details: (1) 304 stainless steel flange Type: Plate-type Flat Welding Flange, Butt Welding Ring Loose Flange, Slip on Neck Flange, Welding Neck Flan...

Wenzhou Gissun Stainless Steel Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Welding Neck Flange - 1

Manufacturing Way:Forging

Export Markets:North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Productivity:3000-4000 Mt/Year

HS Code:73072100

Details:

Hot dipped galvanized flange

Model / Specifications:SO

Size:DN15-DN600

Material:Stainless Steel

Standard:JPI

Brand Name:CY

Details: Blind Flanges: (1) Flanges Type: Plate-type Flat Welding Flange, Butt Welding Ring Loose Flange, Slip on Neck Flange, Welding Neck Flange, Lon...

Shanghai Chang Yi Fluid Technology Co., Ltd.

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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pipe flange

Price Range:0.30 - 300.00 USD per Piece

Details: (1) Flanges Type: Plate Flange, Flat Flange, Slip on Flange, Welding Neck Flange, Long Welding Neck Flange, Blind Flange, Socket Welding Flange, ...

Yanshan Shengji Pipe Fittings Manufacture Co, Ltd

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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304 lap joint flange

Details: (1) Flanges Type: Plate Flange, Flat Flange, Slip on Flange, Welding Neck Flange, Long Welding Neck Flange, Blind Flange, Socket Welding Flange, T...

Shanghai G & T Hardware Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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A105N Class150 Carbon Steel Flange

Details: A105N Class150 Carbon Steel Flange(1) Flanges Type: Plate Flange, Flat Flange, Slip on Flange, Welding Neck Flange, Long Welding Neck Flange, Bl...

Hebei Tianlong Pipe-Line Equipment Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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304 lap joint flange

Model / Specifications:ANSI, JIS, DIN, UNI, BS

Size: DN15-2000

Material:Stainless Steel

Standard:ASME

Standard or Nonstandard:Standard

Details: (1) Flanges Type: Plate Flange, Flat Flange, Slip on Flange, Welding Neck Flange, Long Welding Neck Flange, Blind Flange, Socket Welding Flange, T...

Shanghai G&T Logistics Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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carbon steel lange

Model / Specifications:DN15-1000

Size:1/2''---24''

Material:Carbon Steel

Standard:DIN

Brand Name:JIMENG

Details: carbon steel flange: (1) Flanges Type: Plate Flange, Flat Flange, Slip on Flange, Welding Neck Flange, Long Welding Neck Flange, Blind Flange, ...

HeBei Jimeng Group ZhengHe Flange Pipe Fitting Manufacturing Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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thread flange

Model / Specifications:YH8001

Size:1/2''-48''

Material:Stainless Steel

Standard:ANSI BS DINEN1092-1

Brand Name:YONHALL

Details: (1) Type: Plate Flange, Flat Flange, Slip on Flange, Welding Neck Flange, Long Welding Neck Flange, Blind Flange, Socket Welding Flange, Threa...

Wenzhou Yonghao Stainless Tube Co., Ltd. Shanghai Branch

Business Type:Manufacturers

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China (Mainland)China (Mainland)

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Product Summary

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Welding Neck Flange has a long neck, and adopts welded rigid better, so how to choose the place for pressure higher standard flange is quite important to consider. As Welding Neck Flange generally with forged or forged workmanship, so when using plate or steel manufacturing, the following requirements must be met: First, Steel should be the ultrasonic inspection, no layered defects.Second, it should be along steel rolling direction by cutting into strips, bending the butt into rings, and make the steel surface forming rings of cylinder, and shall not directly USES the steel plate with neck flange. Third, Welding Neck Flange should use full penetration weld.Fourth; circle butt weld should undertake post-welding heat treatment and 100% rays or ultrasonic inspection, and accords with the x-rays of welds JB4730 grade II requirements, ultrasonic scald accorded with the JB4730 level requirements. Welding Neck Flange is distinguished from other types by their long tapered hub and gentle transition of thickness in the region of the butt weld joining them to the pipe. The long tapered hub provides an important reinforcement of the flange proper from the standpoint of strength and resistance to dishing. The smooth transition from flange thickness to pipe wall thickness effected by the taper is extremely beneficial under conditions of repeated bending, caused by line expansion or other variable forces and produces an endurance strength of welding neck flanged assemblies equivalent to that of a butt welded joint between pipes, which, in practice, is the same as that of unwedded pipe. Thus this type of flange is preferred for every severe service condition, whether this results from high pressure or from sub-zero or elevated temperature, and whether loading conditions are substantially constant or fluctuate between wide limits. Welding Neck Flange is used in Liquefied petroleum gas (LPG) pipeline engineering, natural gas pipeline engineering, chemical plants, power plants,

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