| Flanges Types | Slip On, Weld Neck, Long Weld Neck, Threaded, Blind, Companion, Lap Joint |
|---|---|
| Class | 150 Lbs, Pn 6, 300 Lbs, 10, 600 Lbs, 25, 16, 900 Lbs, 40, 1500 Lbs, 64, 160, 100, 2500 Lbs Asa 150, Asa 300 |
| Size | 1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000 |
| Type | Large 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 |
| Duplex Flanges | Duplex Flanges Manufacturer in India |
|---|
Duplex Flanges ASTM A182 F51 | Industrial Grade Duplex Steel Flanges Manufacturer & Supplier India
Nitech Stainless Inc. is a top duplex flanges manufacturer that provides high-quality flanges for harsh industrial environments such as chemical industries, marine engineering, oil and gas processing units, power generation, offshore installations, and petrochemical plants. They are made of high-performance duplex stainless steel grades, which offer excellent corrosion resistance, high tensile strength, excellent fatigue resistance, and increased service life under extreme conditions. Duplex material combines the properties of the ferritic and austenitic stainless steels and is an excellent choice for environments where chloride exposure and high pressure are present, while also offering excellent weldability and mechanical stability.
Industrial procurement teams and project contractors can find Duplex Flanges at a reliable B2B marketplace, customize the manufacturing to suit their needs, produce in large volumes, and get flexibilities in terms of supply. They can be manufactured in a variety of configurations, such as weld neck, slip-on, blind, socket weld, threaded, and lap joint, to meet international piping specifications and pressure requirements. The ability to resist pitting, stress corrosion cracking, and aggressive chemicals makes them well suited to extreme industrial operations that demand reliability and long service life.
Industries with high mechanical requirements and excellent corrosion resistance are most of the time choosing duplex flanges. Their special metallurgical composition offers the highest level of protection from corrosion in seawater, acidic environments, and temperature variations, making them suitable for use in heat exchangers, pressure vessels, desalination plants, refineries, and process pipelines. Competitive quality checks, dimension checks, and international standards guarantee reliable sealing performance and safe operation in critical industrial applications.
Duplex Flanges Weight Chart (Class 150)
| NPS (Inch) | OD (mm) | Thickness (mm) | Weight (kg) |
|---|---|---|---|
| ½" | 89 | 11.2 | 1.0 |
| ¾" | 99 | 12.7 | 1.3 |
| 1" | 108 | 14.2 | 1.8 |
| 1¼" | 117 | 15.7 | 2.3 |
| 1½" | 127 | 17.5 | 2.9 |
| 2" | 152 | 19.0 | 4.2 |
| 2½" | 178 | 22.4 | 6.1 |
| 3" | 190 | 24.0 | 7.5 |
| 4" | 229 | 24.0 | 10.2 |
| 5" | 254 | 24.0 | 12.8 |
| 6" | 279 | 25.4 | 16.5 |
| 8" | 343 | 28.4 | 25.0 |
| 10" | 406 | 30.2 | 36.0 |
| 12" | 483 | 31.8 | 50.0 |
| 14" | 533 | 35.1 | 65.0 |
| 16" | 597 | 36.6 | 85.0 |
| 18" | 635 | 39.6 | 105.0 |
| 20" | 699 | 42.9 | 130.0 |
| 24" | 813 | 47.8 | 190.0 |
Type of Sub-products
Frequently Asked Questions
Where Does An Duplex Flanges Can Be Used?
Where Should Duplex Flanges Be Installed?
Countries We Export
India
Cities We Supply
Ahmadnagar
Ahmedabad
Bengaluru
Chandigarh
Chennai
Coimbatore
Haridwar
Hyderabad
Jaipur
Jodhpur
Kalyan
Kolhapur
Kolkata
Lucknow
Mumbai
Murud (raigad)
Nagpur
Nashik
Navi Mumbai
New Delhi
Pune
Raipur
Rajkot
Rampura
Surat
Thane
Varanasi
Visakhapatnam
Moradabad
Angul
Rudrapur
Hosdurg
Gandhinagar
Rajahmundry
Durgapur
Bharuch
Panipat
Industries We Serve
Sugar
Oil And Gas Industries
Paper Mill
Power Plant
Bridge And Building
Aerospace Industries
Automobile Industry
Electrical Industry
Defense Industry
Construction & Fabrications
Ring Man Units
Railways

Gasket Industry
Pharmaceuticals Industry
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