Class 150
Class 150
Class 150
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  • Class 150
  • Class 150
  • Class 150

Class 150

Class 150 Weld Neck Flanges are suitable for sealing connections of water supply & drainage, HVAC and low-pressure chemical pipelines with temperature fluctuations and slight impact loads.

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Product Model


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Description


  • 产品描述
  • Product Parameters 

    Item Parameter Technical Description
    Product Name class 150  
    Specification DN80 Nominal Diameter DN80 (3 Inches)
    Material A105 ASTM A105 High-temperature carbon steel forged flange, material for general oil, gas and steam pipelines
    Quantity 18件 Total processing quantity of this batch: 18 pieces
    Outer Diameter 190mm Maximum outer circle diameter of flange: 190mm
    Inner Diameter (Sch.40) 77.9mm Suitable for steel pipes with standard Sch40 wall thickness, machined inner bore size: 77.9mm
    Thickness 23.9mm Main body thickness of flange: 23.9mm
    Overall Height 69.5mm Overall total height of flange (including neck section): 69.5mm
    Major Diameter 108mm Outer diameter of large end of flange neck: 108mm
    Minor Diameter 88.9mm Outer diameter of small end of flange neck (pipe butt-welding end): 88.9mm, matching outer diameter of DN80 Sch40 steel pipe
    Frustum Height 127mm Height of flange tapered neck section
    Step Height 1.5mm Raised Face (RF) sealing face
    Bolt Circle Diameter 152.4mm Bolt circle diameter (PCD): 152.4mm
    Bolt Hole d19.1mm Diameter of single bolt hole: 19.1mm
    Number of Bolt Holes n4 pieces 4 bolt holes equally spaced on circumference

FAQs


Basic info about your pipe fitting factory, establishment year and location?

Cangzhou Dongjun Pipe was founded in 2000, located in Buzhai Industrial Zone, Mengcun — China’s well-known capital of elbows and pipe fittings. We enjoy convenient transport near Huanghua Port, Beijing and Tianjin. Our annual production capacity reaches 20,000 tons, with 230 employees including 45 professional technical engineers. Factory visits are welcome.

What main pipe fitting products can you provide?

We manufacture high, medium and low pressure steel pipeline components. Main products include flanges, elbows, tees, reducers, socket weld inserts, nozzles and pipe supports. We have more than 1000 specifications covering mainstream pipeline accessories to realize one-stop procurement.

What metal materials are available for your pipe fittings?

We supply carbon steel, alloy steel, stainless steel, duplex steel and nickel-based alloy to fit different temperature, pressure and corrosion environments. If you need special custom metal materials for special working conditions, our technical team can also meet your requirements.

Which international standards do your products comply with?

Our products support GB, ASME, DIN and JIS standards. Every batch of goods can be matched with EN10204:2004 official test reports, which are widely recognized by engineering supervisors in global projects.

How do you control product quality before delivery?

We own over 200 sets of professional production and testing equipment, including full NDT devices, spectrometers and mechanical testing machines. Raw material inspection, semi-finished product testing and finished product full inspection will be completed strictly before shipment to avoid defective goods.

What certifications does your factory hold for project bidding?

We have ISO9001/14001/45001 system certificates, API Spec Q1 10th Edition certificate and China Special Equipment Manufacturing License for pressure pipeline components. All valid certificates can be provided for your tender review at any time.

 

Qualification


Class 150

Class 150 Weld Neck Flanges are suitable for sealing connections of water supply & drainage, HVAC and low-pressure chemical pipelines with temperature fluctuations and slight impact loads.

WhatsApp:


OUR SERVICE

We offers a wealth of product support resources, including a range of technical and downloadable product manuals to product certifications.

Our Service Product Catalog

COMPANY STRENGTHS

Experience

26 years of professional pipe fittings production and customization experience, with 45 senior technical engineers to support project development.

OEM/ODM

Full support OEM & ODM customization. We produce carbon/alloy/stainless steel fittings with 1000+ specs complying with GB, ASME, DIN, JIS standards.

Reliable Quality

Strict raw material selection & full-process inspection. Our lab equips complete devices for chemical analysis, mechanical test and NDT.

Certification

Possess full authoritative qualifications: ISO triple system, API Spec Q1, national pressure pipeline manufacturing license, EN10204 test certificates available.

Export

Located in Mengcun pipe fittings hub adjacent to Huanghua Port. Products cover all China provinces and export to Southeast Asia, Middle East, South America and more.

Advanced Equipment & Tech

200+ sets of advanced forging, CNC machining and full inspection equipment, annual output reaches 20,000 tons of high-pressure pipe fittings.

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