Duplex Flanges

₹45 - ₹175

Minimum Order : 350 Items

Customization as per requirements


Duplex Flanges – Specification

Specification Details
Flanges TypesSlip On, Weld Neck, Long Weld Neck, Threaded, Blind, Companion, Lap Joint
Class150 Lbs, Pn 6, 300 Lbs, 10, 600 Lbs, 25, 16, 900 Lbs, 40, 1500 Lbs, 64, 160, 100, 2500 Lbs Asa 150, Asa 300
Size1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000
TypeLarge Male Female (lmf), Raised Face (rf), Small Tongue, Flat Face (ff), Small Male Female (smf), Groove, Ring Type Joint (rtj), Lap Joint Face (ljf), Large Tongue & Groove
Additional Details
Duplex FlangesDuplex Flanges Manufacturer in India

Duplex Flanges Manufacturer in India

Nitech is a leading Duplex Flanges Manufacturer in India Duplex flanges are flanges made from duplex stainless steel, a type of steel that combines both austenitic and ferritic stainless steel phases to provide superior strength, corrosion resistance, and enhanced mechanical properties. Duplex stainless steels typically contain around 20-30% chromium and 4-6% nickel, along with molybdenum and other elements, giving them a unique combination of high strength and excellent resistance to stress corrosion cracking, pitting, and crevice corrosion, especially in harsh environments like those found in chemical processing, oil and gas, and marine industries. Duplex flanges are used in applications where high strength, corrosion resistance, and resistance to cracking under stress are critical. These flanges are commonly found in offshore platforms, desalination plants, and chemical processing plants, where they provide reliable, leak-proof connections in piping systems subjected to aggressive environments. Duplex flanges are available in various types, including weld neck, slip-on, and blind, and are often forged to ensure optimal strength and durability. The combination of toughness, strength, and excellent resistance to corrosion makes duplex flanges an ideal choice for demanding applications requiring long-lasting performance and reliability.

Type of Sub-products

  • Duplex Slip On Flange
    Duplex Slip On Flange

    Duplex Slip On Flange

    A duplex slip-on flange is a type of flange used for high-performance applications.

  • Duplex Weld Neck Flanges
    Duplex Weld Neck Flanges

    Duplex Weld Neck Flanges

    Duplex Weld Neck Flanges are high-strength, corrosion-resistant flanges, ideal for harsh environment

  • Duplex Blind Flange
    Duplex Blind Flange

    Duplex Blind Flange

    A duplex blind flange in "2 lined" likely refers to a duplex steel flange with a 2-inch nominal pipe


Frequently Asked Questions

What is Duplex Flanges?

Duplex Flanges are vital components of pipe systems and industrial applications made of duplex stainless steel. Duplex stainless steel is an alloy that combines the properties of austenitic and ferritic stainless steels, providing a unique set of benefits. These flanges are well-known for their remarkable corrosion resistance, mechanical strength, and endurance, making them perfect for harsh settings where traditional materials may fail.

Where Does An Duplex Flanges Can Be Used?

Duplex Flanges have several uses in industries that require strength, corrosion resistance, and dependability. These specialised components are especially common in industries including oil and gas, chemical processing, marine engineering, and desalination plants. In the oil and gas industry, Duplex Flanges are critical for offshore platforms and subsea pipelines because they can tolerate corrosive saltwater and severe chemicals, maintaining operational safety and integrity.

Where Should Duplex Flanges Be Installed?

Duplex Flanges should be fitted in sensitive industrial situations where corrosion resistance, high strength, and dependability are required. These environments include offshore oil and gas platforms, subsea pipelines, chemical processing plants, marine engineering applications, and desalination plants. Duplex Flanges are used on offshore oil and gas platforms to link diverse piping systems, withstand the corrosive effects of seawater, and maintain the integrity of critical equipment and infrastructure.


Countries We Export – Duplex Flanges

  • India

Cities We Supply – Duplex Flanges

  • Ahmadpur
  • Ahmadnagar
  • Ahmedabad
  • Bangalore Urban
  • Bangalore Rural
  • Bengaluru
  • Coimbatore
  • Chennai
  • Chandigarh
  • Haridwar
  • Hyderabad
  • Jaipur
  • Jodhpur
  • Jodhpur (ahmedabad)
  • Kalyan
  • Kolhapur
  • Mumbai
  • Mumbai Suburban
  • Murud (raigad)
  • Nagpur
  • Lucknow
  • New Delhi
  • Navi Mumbai
  • Kolkata
  • Nashik
  • Pune
  • Raipur
  • Rajkot
  • Rampura
  • Sion, Mumbai
  • Surat
  • Thane
  • Varanasi
  • Visakhapatnam
  • Moradabad
  • Angul
  • Rudrapur
  • Hosdurg
  • Gandhinagar
  • Rajahmundry
  • Durgapur
  • Bharuch
  • Panipat

Industries We Serve – Duplex Flanges

  • Sugar industry

    Sugar

  • Oil And Gas Industries industry

    Oil And Gas Industries

  • Paper Mill industry

    Paper Mill

  • Power Plant industry

    Power Plant

  • Bridge And Building industry

    Bridge And Building

  • Aerospace Industries industry

    Aerospace Industries

  • Automobile Industry industry

    Automobile Industry

  • Electrical Industry industry

    Electrical Industry

  • Defense Industry industry

    Defense Industry

  • Construction & Fabrications industry

    Construction & Fabrications

  • Ring Man Units industry

    Ring Man Units

  • Railways industry

    Railways

  • Gasket Industry industry

    Gasket Industry

  • Pharmaceuticals Industry industry

    Pharmaceuticals Industry