Description: Spiral wound gasket Is formed by the V-shaped or W-shaped stainless steel belt and non-metallic filler through lamination, spiral winding, and spot welding of the tops and ends. With good compression elasticity, it is applicable to the sealing parts under the intense alternating temperature and pressure, as the static sealing elements at the flange joints of pipelines, valves, pumps, heat exchangers, towers, manholes, handholes, etc. Its widely used in petrochemical, machinery, electric power, metallurgy, shipbuilding, medicine, atomic energy, aerospace and other fields.
Standards: Products are manufactured in accordance with all relevant gasket standards to suit flange designations: ASME B 16.20, ASME B 16.5, BS1560, ASME B 16.47 A (B), BS EN 1092, DIN, JIS, and NF, etc. Color cord as ASME B 16.20 on request.
Material
Structure
Hoop material
Filler material
Inner&outer ring material
Normal thickness(mm)
Gasket
Inner&outer ring
Without rings
SS304(L);SS316(L)
Graphite
SS304(L);SS316(L)
3.2mm
2.0mm
Carbon steel
Aebestos
Carbon steel
With outer ring
SS321;SS317L
Non-asbestos
SS321;SS317L
Monel;Inconel
Mica
Monel;Inconel
4.5mm
3.0mm
With Inner ring
Titanium;Nickel
Teflon
Titanium;Nickel
Duplex 31803
PTFE
Duplex 31803
With inner&outer rings
Hastelloy
Ceramic tape
Hastelloy
6.4mm
4.0mm
SS347,etc.
etc.
SS347,etc.
Coloring Guardlines for Spiral Wound Gasket
China Ningbo Seal And Gasket Co., Ltd is one of the biggest sealing and gaskets manufacturers in China. CNSG is a professional manufacturer for near 10 years engaged in the research, development, production, sale and service of Metal Gaskets, Non-metallic Gaskets, O-rings, Braided Packings, Compressed Gasket Sheets, Insulation Glassfiber and Ceramic fiber Products, etc.
We can produce gaskts according to ASME, BS, JIS, EN, DIN standars or client's request. Through several year's effort, our products are deeply used in many fields, such as petroleum, chemistry, electric power, shipping, paper making, metallurgy and machines. Because of reliability quality, good sealing performance and long use of life, it is accepted and approbated by many customers.
We are located in Ningbo city, China which is near Shanghai. Our products had already exported to United States, Canada, Italy, Germany, Spain, Middle East, Asia, South America, etc.
"Garantee quality comes from specialized manufacture. " All our staffs conform to one thought of "First Quality, Best Reliability, Excellent Service. " Keep improving, make special "CNSG" brand, do our best to supply the products of best quality and provide all service you need.