Duplex Spiral Wound Gaskets, Duplex 2205 & Duplex 2507 Spiral Wound Gaskets Supplier in Mumbai, India
Unifit Metal Alloys is a manufacturer, supplier, stockist and exporter of Duplex Spiral Wound Gaskets in Mumbai, India, supplying sealing products for demanding industrial applications. These gaskets are manufactured using duplex stainless steel winding strips combined with suitable filler materials. Their construction provides reliable sealing between mating flange surfaces. They are available in different sizes, thicknesses and configurations. Customized requirements can also be accommodated.
Duplex Spiral Wound Gaskets are designed for applications where good mechanical strength and corrosion resistance are required together. The duplex stainless steel winding provides structural stability under pressure and temperature variations. Suitable filler materials help improve sealing efficiency between flange connections. These gaskets can withstand demanding service conditions. They are suitable for a wide range of industrial sealing requirements.
Duplex Spiral Wound Gasket, Duplex 2205 & Duplex 2507 Spiral Wound Gasket Manufacturer & Supplier in India
Duplex Spiral Wound Gaskets offer good resistance to chloride-containing and corrosive environments. Their material characteristics make them suitable for applications where conventional stainless steel gasket materials may not provide the required performance. They can be supplied with different filler materials depending on the operating medium. The gasket construction helps maintain sealing integrity during service. Proper material selection is made according to application requirements.
These gaskets are widely used in oil & gas, petrochemical, chemical processing, marine, power generation and desalination industries. They are also suitable for industrial pipelines, pressure vessels, heat exchangers and process equipment. Their strong metallic construction supports reliable performance in demanding environments. Different flange arrangements can be accommodated through suitable gasket configurations. They are commonly selected for critical sealing applications.
Get the Best Quote for Duplex Spiral Wound Gaskets. We Stock Duplex Spiral Wound Gaskets in Various Diameters, Sizes, Thicknesses and Material Specifications. Contact Us Today for a Competitive Quote.
Specifications of Duplex Spiral Wound Gasket
| Specification | Details |
|---|---|
| Gasket Type | Duplex Stainless Steel Spiral Wound Gasket |
| Material Grades | Duplex 2205, UNS S31803, UNS S32205 |
| Winding Material | Duplex 2205 / UNS S31803 / UNS S32205 |
| Filler Material | Flexible Graphite, PTFE, Ceramic or Mica |
| Inner Ring | Duplex Stainless Steel or Stainless Steel as per service requirements |
| Outer Ring | Carbon Steel, Stainless Steel or Duplex Stainless Steel |
| Manufacturing Standard | ASME B16.20 |
| Flange Standard | ASME B16.5 / ASME B16.47 |
| Pressure Class | 150, 300, 600, 900, 1500 and 2500 |
| Size Range | 1/2″ to 24″ and larger sizes available |
| Standard Thickness | 3.2 mm, 4.5 mm and 6.4 mm |
| Temperature Range | Up to approximately 550°C, depending on filler material and service conditions |
| Corrosion Resistance | Excellent resistance to pitting, crevice corrosion and stress-corrosion cracking |
| Applications | Oil & Gas, Petrochemical Plants, Chemical Processing, Heat Exchangers, Boilers, Pressure Vessels and Industrial Piping Systems |
Duplex Spiral Wound Gasket Chemical Composition
| Element | Duplex 2205 (UNS S31803) | Duplex 2205 (UNS S32205) |
|---|---|---|
| Carbon, C | 0.030 max | 0.030 max |
| Manganese, Mn | 2.00 max | 2.00 max |
| Silicon, Si | 1.00 max | 1.00 max |
| Phosphorus, P | 0.030 max | 0.030 max |
| Sulfur, S | 0.020 max | 0.020 max |
| Chromium, Cr | 21.0–23.0 | 22.0–23.0 |
| Nickel, Ni | 4.5–6.5 | 4.5–6.5 |
| Molybdenum, Mo | 2.5–3.5 | 3.0–3.5 |
| Nitrogen, N | 0.08–0.20 | 0.14–0.20 |
| Iron, Fe | Balance | Balance |
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Duplex Spiral Wound Gasket Mechanical Properties
| Property | Duplex 2205 (UNS S31803) | Duplex 2205 (UNS S32205) |
|---|---|---|
| Tensile Strength | 620 MPa (90 ksi) min | 655 MPa (95 ksi) min |
| Yield Strength (0.2% Offset) | 450 MPa (65 ksi) min | 450 MPa (65 ksi) min |
| Elongation | 25% min | 25% min |
| Hardness | 31 HRC max | 31 HRC max |
| Density | 7.80 g/cm³ | 7.80 g/cm³ |
| Melting Range | 1350–1400°C | 1350–1400°C |
| Maximum Service Temperature | Approx. 315°C | Approx. 315°C |
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Duplex Spiral Wound Gasket Application Industries
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