Metal Jacketed
Gasket Manufacturer
At Steel Icon Stainless Pvt. Ltd., we specialize in manufacturing high-performance metal jacketed gaskets, designed for use in high-pressure, high-temperature, and corrosive environments where conventional non-metallic gaskets may not provide sufficient performance. These gaskets feature a soft filler core usually graphite, mica, or ceramic enclosed within a metallic jacket that offers enhanced structural strength, chemical resistance, and thermal integrity.
Metal jacketed gaskets are ideal for applications in heat exchangers, flanged joints, boiler manways, autoclaves, valves, and pressure vessels. They are widely used in industries such as petrochemical, marine, refineries, and power generation.
Why Choose Metal Jacketed Gaskets?
High Temperature and Pressure Resistance: Withstands temperatures up to 900°C and pressure ratings up to 250 bar, ensuring reliable performance in extreme conditions.
Durability and Flexibility: Combines the compressibility of soft fillers with the durability of metal jackets for a versatile and effective sealing solution.
Ideal for Uneven Flange Faces: Perfect for sealing uneven flange faces and narrow sealing surfaces, ensuring a tight seal in challenging conditions.
Custom Designs Available: Custom designs are available for segmental, oblong, and multi-pass gaskets to meet specific application requirements.
Industry Standards Compliance: Conforms to ASME, DIN, and BS standards, making it ideal for heat exchanger service and other critical applications.
| Products |
|---|
|
Stainless Steel Bar |
|
Fasteners |
|
Forged Products |
|
Flanges |
|
Forged Fittings |
|
Stainless Steel Billets |
|
Round Corner Square Billets |
|
Stainless Steel Pipes |
|
Pipe Fittings |
|
Valve |
Specification Chart
| Property | Specification |
|---|---|
|
Temperature Range |
–100°C to +900°C |
|
Pressure Rating |
Up to 250 bar (class 150 to 2500 ANSI) |
|
Gasket Thickness |
3.2mm (standard), custom available |
|
Core Fillers |
Graphite, Mica, Ceramic, PTFE |
|
Jacket Materials |
SS 304, SS 316, Inconel, Monel, Copper, Nickel |
|
Standards |
ASME B16.20, TEMA, DIN 2697, BS 7531 |
|
Common Shapes |
Oval, Round, Oblong, Segmental, Double-jacketed |
Chemical Composition (Common Jacket Materials)
| Material | Cr (%) | Ni (%) | Other Elements | Applications |
|---|---|---|---|---|
|
SS 304 |
18–20 |
8–10.5 |
Mn, Si, C |
General use, chemical compatibility |
|
SS 316 |
16–18 |
10–14 |
Mo, Mn, Si |
Chloride and marine applications |
|
Inconel 600/625 |
20–23 |
≥58 |
Mo, Nb, Co |
High-temp, aggressive chemicals |
|
Copper |
— |
— |
Zn, Pb (trace) |
Heat conduction, boiler services |
|
Monel 400 |
≤2.5 |
≤1.5 |
Cu ≥ 63%, Fe |
Acidic fluids, offshore rigs |
Mechanical Properties
| Property | SS 304 Jacket | SS 316 Jacket | Graphite Core |
|---|---|---|---|
|
Tensile Strength |
520–750 MPa |
515–750 MPa |
5–20 MPa (compressible) |
|
Yield Strength |
205 MPa min |
205 MPa min |
— |
|
Hardness (HRB) |
≤ 95 |
≤ 95 |
— |
|
Recovery (%) |
— |
— |
20–30% |
|
Compression Set |
— |
— |
30–50% |
Types of Metal Jacketed Gaskets Offered
Single Jacketed Gasket – Features one side with metal and the other side with exposed filler, providing a simple yet effective sealing solution.
Double Jacketed Gasket – Fully encased in a metal jacket that covers all sides, offering enhanced durability and protection.
Corrugated Metal Jacketed Gasket – Equipped with corrugations on the metal jacket for improved sealing performance and flexibility.
Pass Partition Gasket – Designed for shell and tube heat exchangers with multiple zones, offering effective separation and sealing.
Oblong or Segmental Gasket – Ideal for non-circular flanges or large exchanger heads, providing a reliable seal in specialized applications.
Applications
Boilers & Heat Exchangers – Seals high-pressure, high-temperature joints in thermal equipment, ensuring reliable performance in demanding environments.
Petrochemical Plants – Ideal for sealing flanges exposed to hydrocarbons, acids, and other harsh chemicals, providing long-lasting durability.
Marine Industry – Designed to withstand sea air, water, and vibration-prone sealing zones, offering reliable protection in marine applications.
Turbine Housings & Generators – Withstands vibration and high thermal gradients, ensuring a secure seal in critical power generation equipment.
Chemical Reactors & Vessels – Offers excellent performance under acidic and alkaline service conditions, providing a durable seal in chemical processing environments.
Power Plants & Refineries – Provides reliable gasket sealing for critical units, manways, and flanges, ensuring safe and efficient operation in high-demand industrial environments.
Key Benefits
Metallic Strength + Soft Core Sealing – Provides leak-proof sealing under load, with the ability to tolerate flange imperfections for a secure connection.
High Pressure & Temperature Resistance – Designed to withstand pressure ratings from Class 150 to 2500 and temperatures up to 900°C, ensuring reliability in extreme conditions.
Custom Shapes & Multi-Port Compatibility – Manufactured to fit oval, rectangular, segmental, and grooved flange configurations, providing versatility for various setups.
Reusable in Certain Conditions – Can be reused in low-deformation applications where the core integrity remains intact, reducing the need for frequent replacements.
Corrosion & Acid Resistant Options Available – Featuring Inconel, Monel, or PTFE-filled cores, these gaskets are ideal for aggressive media, offering superior resistance to corrosion and acids.
Frequently Asked Questions
For high-temperature applications, fillers such as graphite, mica, or ceramic are commonly used, offering excellent thermal resistance and sealing capabilities.
.
Metal jacketed gaskets can be reused in certain conditions, especially if the filler material and metal jacket retain their integrity and the gasket hasn’t been excessively deformed.
We offer various shape options for metal jacketed gaskets, including standard round, oval, rectangular, segmental, and grooved shapes to meet specific flange requirements.
Yes, we can supply metal jacketed gaskets that meet TEMA (Tubular Exchanger Manufacturers Association) and other heat exchanger industry standards, ensuring reliable performance in critical applications.
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