Gasket
In piping, a Gasket is sealing material placed between connecting flanges to create a static seal, which will maintain the leakage proof sealing in all operating conditions. A gasket placed between the two flange faces and held in position by the compressive force of the set of bolts located around the circumference of flange blades. Gaskets are constructed from a variety of materials and, in some cases, a combination of materials.
The gasket must be capable of maintaining a leak-free seal during the lifetime of the joint at the design pressures and temperatures of the fluid being transported.
| Metallic – Ring Gasket | Non-Metallic | Composite |
| Oval Ring Gasket | Compressed Non-Asbestos Fibre Gasket (CNAF) | Spiral Wound Gaskets |
| Octagonal Ring Gasket | PTFE Gasket | Kammprofile Gaskets |
| Rubber Gasket | Metal Jacketed Gasket |
Flexitallic is the international market leader in the manufacture and supply of high-quality, high-value industrial static sealing products. Based on sales and geographic reach, The Flexitallic Group has become a global supplier of industrial gaskets.
Developer of the spiral wound gasket in 1912 in the US, Flexitallic today continues its legacy of innovation with product materials like Thermiculite® and Sigma®. Flexitallic’s sheet materials product lines began in the mid 1800’s in England. Flexitallic is a privately held company headquartered in Houston, Texas USA.
Flexitallic’s global customer service network of owned manufacturing facilities, manufacturing licensees and distribution network (over 750 distributors in 30 countries) ensure local demand is met quickly, with a combination of the highest product quality and customer service. With a varied product offering that includes spiral wound gaskets, semi-metallic gaskets, RTJ gaskets, kammprofiles, sheet gaskets, and dynamic and static packings, The Flexitallic Group draws upon its storied past and present day mixture of leadership, quality, service and technology to develop sealing solutions for industry all around the world.
Ring Type Joint Gasket
Use for high Temperature and high Pressure.
Class Rating: 150#, 300#, 600#, 900#, 1500#, 2500# (ASME B16.5). 2000#, 3000#, 5000# (API 6A). 10000#, 15000#, 20000 (API 6BX)
Type: R (Oval and Octagonal), RX, and BX
Spiral Wound Gasket
Material: Graphite, PTFE, and Thermiculite (Filler). Carbon Steel, Low Steel and Stainless Steel for Inner or Outer Ring.
Temperature: up to 1000 C
Class Rating: 150#, 300#, 400#, 600#, 900#, 1500#, 2500#
Type : R, RIR, CGI, and CG
Sigma Gasket
Material : PTFE
Service Media : Aggressive Chemical (Alkali, acid, chlorine, halogens and hydrocarbons).
Temperature Service : 260 C
Pressure Service : 75 – 85 bar
Class rating : 150# & 300#
Type : Sigma 500, Sigma 511, Sigma 533, Sigma 588, and Sigma 800
Sheet Gasket
Material : Aramid Fiber
Service Media : Oil, Gas, Fuel, Hot/Cold Water, Steam, and Chemical
Temperature Service : 350 C – 450 C (more 450 C use RGS HP)
Pressure Service : 100 bar – 200 bar
Class Rating : 150# and 300#
Type : SF2400, SF2401, SF2420, SF2500, SF2800, SF3300, SF3500, SF5000, RGS1, RGSS3, RGS4, and RGS-HP
Isolation Gasket
Use for Insulating flange from corrosion process.
Complete with Sleeve and Washer
Class Rating : 150# – 2500#
Type : ISOPRO – NEO, ISOPRO – NFP, ISOPRO – IP, ISOFLEX – LT AND ISOFLEX – FS
Kammprofile
Application : Standard pipeline flanges, Valves, Pumps, Heat Exchangers, non-standard flange profiles (prone to flange rotation).
Temperature Service : up to 1000 C
Class Rating : 150# – 2500#
Type : PN, ZG, and ZA
Change Gasket
Media Service : General service, Steam, gases, solvents, fuels, corrosive / aggressive media.
Temperature : up to 1000 C
Class Rating : 150# – 2500#
Thermiculite
Special material for high Temperature. Use For Sheet, Spiral Wound, Kammprofile, Change gasket and packing.
Temperature : up to 1000 C
Type : TH715, TH815, TH835, TH845, TH855, and TH894