spiral wound gasket for flange connection
details
USE &APPLICATION
- Commonly used in the following industries:
- architecture
- bridge
- Petrochemical industry
- shipbuilding
- project
- Offshore and onshore services
- Power generation industry
- Food processing industry
- oil and gas industr
Package
- Products are packaged to ensure that there is no damage during transit.
- In case of exports, standard export packaging is done in wooden cases.
- All pipes are marked with Grade, Lot No, Size, Degree and our trade mark.
- On special requests we can also, make custom marking on our products.
- Wooden Boxes
- Wooden Pallets
- Shrink-Wrapped
- Carton Boxes
- Wooden Boxes
Testing
- Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report
- Positive Material Identification - PMI Testing
- Chemical Analysis - Spectro Analysis
- Mechanical Testing Such as Tensile, Elongation, Reduction of Area
- Micro Test
- Macro Test
- Hardness Test
- Pitting Resistance Test
- Intergranular Corrosion (IGC) Test
- Flaring Test
- Flattening Test
- Hydrostatic Test
- Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
- Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
- Radiography Test
- Dye Penetrant Test (DP Test)
Certification
All materials are strictly inspected at every stage of the production process from procurement to product shipment. Visually inspect them for compliance with ASTM, ASME, MSS, DIN, EN and JIS codes and standards. Support officially certified inspection agencies to witness product material reporting, dimensional and quality compliance. Factory inspections are also supported.
Product Description
Metal spiral wound gaskets are one of the most widely used gaskets. Spiral wound gaskets provide a low-cost seal that can be used under operating temperature and pressure fluctuations. The multi-layered metal and filler wrapping creates a sealed gasket that effectively reduces possible leaks.
Metal spiral wound gaskets are one of the most widely used gaskets. Spiral wound gaskets provide a low-cost seal that can be used under operating temperature and pressure fluctuations. The multi-layered metal and filler wrapping creates a sealed gasket that effectively reduces possible leaks.
Metal spiral wound gaskets are made by alternately wrapping formed metal strips and soft filling materials. When placed between two flanges and compressed, it forms a very effective seal.
Those who require fire safety can choose flexible graphite as the filling material. If the effective compression load of the gasket is limited, the structure and size of the gasket can be modified to achieve an effective seal.
A metal spiral wound gasket may consist of an outer ring, an inner ring or both. The outer ring centers the gasket with the flange and serves as a limit for gasket compression. The inner ring not only provides additional radial strength, but also reduces flange erosion and erosion and protects sealing components.
Excellent resilience and high strength make metal spiral wound gaskets an ideal choice under a variety of usage conditions and working conditions. It is widely used in refineries and chemical plants.
The V-shaped protrusion in the middle part of the metal strip acts like a spring, giving the gasket good resilience when working conditions change. Filling materials and metal strip materials can be selected from different materials to suit different chemical media
Definition: Pipe flanges, their gaskets, and fasteners are collectively called flange joints. Flange joint is a component that is very commonly used in engineering design and covers a wide range of areas. It is an indispensable part in piping design, pipe fittings and valves, and is also an essential component in equipment and equipment parts (such as manholes, sight glass level gauges, etc.). In addition, other majors such as industrial furnaces, thermal engineering, water supply and drainage, heating and ventilation, automatic control, etc. also often use flange joints.
Material: forged steel, WCB carbon steel, stainless steel, 316L, 316, 304L, 304, 321, chromium molybdenum steel, chromium molybdenum vanadium steel, molybdenum titanium, rubber lined, fluorine lined.
Variety: flat welding flange, neck flange, butt welding flange, ring connection flange, socket flange, and blind plate, etc.
The executive standards include GB series (national standard), JB series (Mechanical Department), HG series (Chemical Industry Department), ASME B16.5 (American standard), BS4504 (British standard), DIN (German standard), JIS (Japanese standard) .
Flange gaskets are generally divided into metal gaskets and non-metal gaskets.
Non-metallic gaskets are gaskets made of non-metallic materials such as asbestos, rubber, and synthetic resin.
Metal spiral wound gaskets are made of high-quality SUS304, SUS316 ("V" or "W") metal strips and other alloy materials, and soft materials such as graphite, asbestos, PTFE, and asbestos-free, which are alternately overlapped and spirally wound. , fix the metal strip with spot welding at the beginning and end. Metal spiral wound gaskets are the gaskets with the best resilience among semi-metallic sealing gaskets. The structural density of metal spiral wound gaskets can be produced according to different locking force requirements, and the inner and outer steel rings are used to control the maximum compression degree. The surface accuracy of the flange sealing surface in contact with the gasket is not high. Metal spiral wound gaskets are particularly suitable for situations where the load is uneven, the joint force is easy to relax, the temperature and pressure change periodically, and there is impact or vibration. Spiral gaskets are ideal static sealing components for flange connections such as valves, pumps, heat exchangers, towers, manholes, and hand holes.
Scope of application of spiral wound gaskets: sealing of flange joints such as pipes, valves, pressure vessels, condensers, heat exchangers, towers, manholes, hand holes, etc. in petroleum, chemical, metallurgy, electric power, shipbuilding, machinery and other industries.
There are four types of spiral wound gaskets: basic spiral wound gaskets, spiral wound gaskets with inner rings, spiral wound gaskets with outer rings, and spiral wound gaskets with inner and outer rings.
Advantage
