En1092 ANSI B16.5 DIN Forging Long Weld Neck Flange for Pipe Flange Types

• Customization: Available
• Standard: ANSI, DIN, JIS, GOST, En1092
• Type: Long Weld Neck
• Model NO.: long weld neck flange BTF-FL-004
• Material: Stainless Steel
• Structure: Flanges
• Connection: Flanged
• Sealing Surface: RF
• Manufacturing Way: Forging
• Product Name: En1092 ANSI B16.5 DIN Forging Long Weld Neck Flang
• Shipment Term: by Sea or by Air
• Pressure: 150lbs-2500lbs
• Carbon Steel Flange: A105 A105n Q235 St37.2
• Stainless Steel Flange: Ss316 Ss316L Ss304 Ss304L
• Alloy Steel Flange: 16mo3 13crmo4-5 15CrMo
• Surface: Painting or Rust Oil
• Quality Control: TUV SGS
• Quality Certificate: Material Test Report Dimension Report
• Certificate: Forma Forme Co
• Transport Package: Ply Wooden Cases or Pallet
• Specification: 1/2"-80"
• Trademark: BTF or as request
• Origin: China
• HS Code: 73079100
• Production Capacity: 100 Tons Per Month

Product Description

en1092 ansi b16.5 din forging long weld neck flange for pipe flange types

Long weld neck flange

Long weld neck flange are most widely used flanged in process piping. It gives the highest level of joint integrity due to Butt-welded with a pipe. These types of flanges are used in high pressure and temperature application. Weld neck flanges are Bulky & costly with respect to other types of flange.







Production instructions
We can produce Amercian Standard, German Standard, Italian Standard, European Standard, Chinese Standard flanges, also offer all kinds of non-standard flanges according to you drawings, diameter ranging from DN15 to DN3000, press rate up to 2500LBS. Flanges are made of carbon steel, stainless steel, alloy steel, duplex ferric-austenitic steel.

Flange Standard

American Standard	ASME B16.5,ASME B16.47,ANSI B16.5,API605,AWWA C207
Japanese Standard	JIS / KS 5K / 10K / 16K / 20K / 30K
German Standard	DIN2527,2528,2561,2565,2566,2573,2576,2627-2638,2641,2642,2655,2656,2673,86029
British Standard	BS4504 PN16 / 25 / 40,BS10 TABLE E / TABLE D
Italian Standard	UNI 2253,2254,2276,2278,2281,6084-6093
China Standard	GB/T 13402-92,GB/T9112-9124-2000,HG5010-5028

Production Process


Equipment Exhibition



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Quality Assurance
Quality System Certificate:
We have Grade A Manufacture License of Special Equipment , Press Equipment Directive Quality-Assurance System Certificate , China Classification Society Certificate of Work Approval, TUV Certificate
Perfect Inspection Process:
Raw material inspection(5steps)- Raw materials testing is to ensure the raw material conforming to the order requirements.
Process testing(10steps)-Each processing step testing is to guarantee each step product qualified.
Factory testing(6steps)-Assure 100% product qualified rate to meet customer's requirements


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All products can be customerized designed . We will supply professional service within 24 hours .Welcome to contact .