FLEXSEAL® Spiral Wound Gaskets RW, RWI, SW, SWI

FLEXSEAL® RW Spiral Wound Gasket
The FLEXSEAL® RW is engineered for ASME flanges with metal windings, filler material, and a centering ring. Style RW offers excellent general purpose performance for raised face flanges. Its durable construction and consistent compression deliver superior safety and exceptional sealing performance.

  • Easy installation and removal
  • Seals pressures to flange ratings, in accordance with ASME B16.5
  • Suited to temperatures from cryogenic to 2000°F / 1093°C, depending on metal and filler
  • Custom-tailored solutions accommodate a variety of conditions by combining various metals and filler materials
  • Centering ring accurately locates the gasket on the flange face, provides additional radial strength, and acts as a compression limiter
  • Spiral winding (sealing element) consists of preformed metal and soft filler material
  • NOTE: Per ASME B16.20 all spiral wound gaskets for ASME B16.5 or B16.47 flanges are made with outer and inner rings (FLEXSEAL® RWI) unless specified by the customer at the time of order. 
When ordering specify:
  • Nominal pipe size and pressure rating
  • Winding material
  • Filler material
  • Centering ring material

FLEXSEAL® RWI Spiral Wound Gasket
Style RWI features an inner ring, spiral winding, filler material, and a centering ring for use in higher pressure applications.

  • Durable; easy installation and removal
  • Seals pressures to flange ratings, in accordance with ASME B16.5 and B16.47
  • Suited to temperatures from cryogenic to 2000°F / 1093°C, depending on metal and filler
  • Guide ring simplifies centering of sealing element on the flange face
  • Custom-tailored solutions accommodate a variety of conditions by combining various metals and filler materials
  • Suitable for raised face flanges up to class 2500# flanges
  • Inners rings are provided standard for ASME B16.20 unless otherwise specified by the customer
  • Inner ring can help shield sealing elements from erosion caused by abrasive media
When ordering specify:
  • Nominal pipe size and pressure rating
  • Inner ring material
  • Winding material
  • Filler material
  • Centering ring material 
Garlock FLEXSEAL® RWI Spiral Wound Gasket

FLEXSEAL® SW Spiral Wound Gasket
Style SW features a spiral winding only, making it suitable for tongue and groove, male-female, or groove-to-flat face flanges.

  • Suitable for tongue and groove, male-female, or groove-to-flat face flanges
  • Spiral windings only, containing preformed metal wire and soft filler material
  • Inner and outer diameters of winding are reinforced with several plies of metal without filler to give greater stability
  • Durable; easy installation and removal
  • Suited to temperatures from cryogenic to 2000°F / 1093°C, depending on metal wire and filler.
  • Custom-tailored solutions accommodate a variety of conditions by combining various metals and filler materials
When ordering specify:
  • ID and OD dimensions
  • Thickness of gasket
  • Winding material
  • Filler material
  • Pressure rating

FLEXSEAL® SWI Spiral Wound Gasket
Style SWI features spiral windings with an inner ring, containing preformed metal and soft filler material. It is suitable for tongue and groove, male-female, or groove-to-flat face flanges

  • Spiral windings with an inner ring, containing preformed metal wire and soft filler material
  • Inner ring can help shield the sealing elements erosion causes by abrasive media
  • Durable
  • Easy installation and removal
  • Inner ring prevents radial buckling in flange connections where gasket is located in a step down groove when the gasket ID is not contained 
  • Suited to temperatures from cryogenic to 2000°F / 1093°C, depending on metal and filler
  • Custom-tailored solutions accommodate a variety of conditions by combining various metals and filler materials
When ordering specify:
  • Inner ring and winding dimensions
  • Thickness of gasket
  • Inner ring material
  • Winding material
  • Filler material
  • Pressure rating
Garlock FLEXSEAL® SWI Spiral Wound Gasket

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