Product Name: Spiral Wound Gasket with Inner and Outer Ring Model NO.: SWG Standard: Standard Shape: O-Ring Performance: Temperature Type: Oil Seal Application: Valve Material: Flexible Graphite,Ss3016,SS304 Filler Material: Expanded Graphite,(Non)Asbestos,PTFE,Ceramic Hoop Material: SS304,SS316L,Ss321,Ss347,Ss317,etc Trademark: TENSION Transport Package: Wrap Film+Wooden Case Specification: according to your request Origin: Hebei, China HS Code: 8484100000 Product Description Spiral wound gasket with inner and outer ringProduct description:1. Basic typeSWG with wrapped from metal and filler material for bump flanges and grooved flangesFor example: SS304/FG.2. With Inner ring typeAdding a metal inner ring as a pressure stop on the basis of the basic type, while filling the gap between the flange edge and the inner edge of the seal, the design can prevent solid accumulation, reduce fluid impact, and minimize the erosion of the flange surface. For bump flanges.3. With Outer ring typeThe outer ring allows the gasket to be accurately placed in the center of the flange and provides additional resistance to prevent the gasket from bursting and becoming a compression stop. Generally suitable for flat and protruding flanges.4. With Inner & Outer ringOn the basis of the outer ring type, the inner ring is added as an internal compression stop point, and at the same time, it becomes a resistance body for heat and corrosion, and the sealing surface of the gasket is protected to prevent corrosion of the flange. Suitable for flat and face flanges, especially for high temperature and high pressure applications.Use the equipment:Flange joints of pipes, valves, pressure vessels, condensers, heat exchangers, towers, manholes, hand holes, etc. in petroleum, chemical, metallurgy, electric power, shipbuilding, gas, nuclear, aerospace, textile, pharmaceutical, machinery and other industries Static seal.Material:Packaging & Shipping:Packaging DetailsWrap film + wooden caseDelivery detail2-15 daysFAQ:1. Q: Can you do OEM?A: Yes, we can do OEM products.2.Q: Are you a factory or trading company?A: We have factory in Hebei with export license3. Q: Where is your factory located? How can I vist there?A: Our factory is located in Hengshuicity, Hebei province, about 2.5 hourstrain trip from Beijing. All our clients, from home or abroad, are warmly welcome to visit us!Our services:1.prompt replywe are on duty 24 hours a day for your service.2.high quality and reasonable priceWe have strict quality control of the raw material, production line and quality inspection. What's more, as a direct and experienced factory and manufacturer, we can provide you our sealing sheet and gasket at competitive prices3.short and believable delivery timeAs a factory, we have direct control of production arrangement.4.good after-sale serviceContact us