GPT/Pikotek PPP


PTFE spring-energized face seal, or an elastomeric O-ring, seated in an insulating laminate and permanently bonded to a high-strength stainless steel core

The Pikotek® VCS gasket provides exceptional insulating and general sealing performance in aggressive material applications. The VCS gasket is suitable in all services up to and including ANSI 2500# and API 10,000# classes.

Due to its unique pressure activated sealing mechanism, the gasket requires far less bolt stress to seal than any other gasket. The VCS gasket inner diameter is exactly matched to the flange bore to eliminate turbulent flow and flange face erosion/corrosion. The seal elements are replaceable in the reusable gasket retainer.

Features and Benefits

  • Extremely high reliability sealing and insulating for all critical services
  • Seals and insulates at all pressures up through ANSI 2500# and API 10,000#
  • Withstands severe service conditions, including large bending moments, vibration, temperature, and pressure cycling
  • Withstands corrosive environments, including high concentrations of CO2, H2S, produced water, etc.
  • Outstanding isolating properties for cathodic protection, galvanic corrosion, and other pipe system isolation needs
  • Pressure activated for reliable sealing and eliminating costly leaks
  • Precisely sized to the bore to protect flange faces and prevents turbulent flow at flanged connections to mitigate media-induced corrosion and flow-induced erosion.
  • Eliminates microbially induced corrosion (MIC)
  • Mitigates galvanic corrosion in dissimilar metal flanges
  • Insulating Kits (sleeves and washers) always include high strength double washers and full-length sleeves for maximum assurance against short circuits
  • High strength laminate material resists failure due to excess compression (i.e., over tightening bolts)
  • Spring energized PTFE seal provides radial load and encapsulation in the seal groove to eliminate cold flow
  • Available to match any flange specification (ANSI, API, BS, DIN, AS, others)
  • Can seal mismatched RTJ Flange with Raised Face Flanges
  • Re-usable
  • Easy installation, make up and removal The rigid construction helps facilitate installation. Low required bolt loads. Less make-up force is required resulting in less flange and bolt stress. Self-aligning and centering No special tools required.

Tandem seal versions available 6” and up and as standard for 24” and up - contact GPT Industries Engineering for other size availability.

Note: Electrical values are based on laboratory conditioned samples in laboratory conditions. Exposure to moisture or elevated temperature will change values.

Applications

 

  • Flange insulation in conjunction with cathodic protection
  • Insulation between dissimilar metals to prevent galvanic corrosion
  • Wellhead isolation from inter-connected flow lines
  • Valve connections
  • Christmas Tree connections
  • Pump connections
  • Compressor connections
  • Tanks and heat exchangers with sacrificial anodes to increase anode life
  • Mating mismatched ring-joint to raised-face flanges (VCS will seal in ring-joint, raised-face and flat face/slip-on flanges)
  • Eliminate fluid trap corrosion between ring-joint (RTJ) flanges where high concentrations of CO2, H2S, other aggressive hydrocarbon media are present
  • Eliminate turbulence and flow-induced erosion between ring-joint (RTJ) flanges.

Specifications

G-11 NEMA LI1 grade G-11 Glass-Reinforced Epoxy (GRE) laminate material:

  • Compressive Strength: 50,000 PSI
  • Dielectric Strength: 500 VPM Max.
  • Continuous Operating Temp: 392° F (200 °C) Maximum
  • Continuous Operating Temp: (minus) -50°F (-45°C) Minimum
  • Water Absorption: .085%
  • Flexural Strength: 57,700 PSI
  • Tensile Strength: 41,000 PSI
  • Bond Strength: 2,200 lb.
  • Shear Strength: 21,200 lb.

G-10 NEMA grade G-10 Glass-Reinforced Epoxy (GRE) laminate material:

  • Available in NIST G10CR process specification for materials used in cryogenic applications
  • Compressive Strength: 65,000 PSI
  • Dielectric Strength: 800 VPM Max.
  • Continuous Operating Temp: 266°F (130 °C)
  • Minimum Continuous Operating Temp: (minus) -273 °C -459 °F
  • Water Absorption: .085%
  • Flexural Strength: 57,700 PSI
  • Tensile Strength: 41,000 PSI
  • Bond Strength: 2,200 lb.
  • Shear Strength: 21,200 lb.

One isolating and sealing gasket, VCS Type “F”, 0.260” thick or .308” thick, 316 stainless steel core retainer laminated on both sides with a G-10 fiber glass reinforced laminate containing a precision tapered groove to accommodate the controlled compression of a PTFE spring energized seal. Sealing element placement shall accommodate either flat, raised or RTJ face flanges. The PTFE seal shall be spring and pressure energized. The G-10 retainer shall have a 800 volts/mil dielectric strength and a minimum 65,000 psi compressive strength. The I.D. of the flange isolating gasket shall match the bore of the flange in which it is installed.


The VCS Family of Electrical Isolation Gaskets

The VCS family is designed to withstand the Very Critical Service environments found in oil and gas, chemical and energy applications – providing uncompromising performance and safety.

A concave PTFE Inside Diameter (ID) seal and a PTFE spring-energized face seal, or an elastomeric O-ring, seated in an insulating laminate and permanently bonded to a high-strength core The VCS-ID (Inside Diameter) Seal introduces an internal, machined PTFE seal at the bore of the existing VCS design platform. The use of a patented interlocking mechanism ensures an extremely tight seal at the bore and resistance to effects from internal pressure or aggressive media. The interlocking mechanism is intentionally designed to be approximately .100” larger than the pipe ID. During installation/loading, the interlocking mechanism will compress to a final state that is slightly larger than the pipe ID. This reduces cavitation in the piping, reduces flange erosion and helps prevent microbiologically induced corrosion (MIC), while not affecting any line pigging operations. Additionally, the PTFE interlocking mechanism creates a longer effective isolating distance than the standard platform. By spanning the VCS platform from end to end, the VCS-ID has a much greater electrical isolation in conductive media. Further, PTFE is not hygroscopic, so it does not have a tendency to absorb water, making it even more attractive as front line defense in electrical isolation. This unique design helps solve problems where hydrotested lines may no longer isolate. The patent pending, (# 61/932,880) interlocking mechanism is “dual locking” to provide a secure seal that won’t dislodge during handling, transport or installation. The “dual locking” feature creates a positive lock in both vertical and radial directions. The interlocking mechanism also eliminates the need for exotic metal gasket core material because it breaks the metal-to-metal path. Obtaining exotic metals can cause long lead times and extra expense that are eliminated with the use of a VCS-ID seal. Another benefit of the VCS-ID seal is that PTFE doesn’t have an affinity for water absorption, installations where electrical isolation testing is performed shortly after hydro-test won’t be corrupted. The VCS-ID does not require any more torque than the standard VCS or VCFS, making installation simple using the same specification charts.

PTFE spring-energized primary sealing element and an E-ring secondary seal, seated in an insulating laminate and permanently bonded to a high-strength metal core, creating a fireproof gasket

The VCFS™* adds fire service capability to the standard Pikotek® VCS design through the use of a secondary sealing element that is capable of maintaining a seal while subject to a 1500°F (815°C) fire. The VCFS fire resistant gasket combines proven sealing performance in aggressive environments with the capability to pass the API 6FB, 3rd Edition fire test.

Due to its unique pressure activated sealing mechanism, the heat resistant gasket requires far less bolt stress to seal than other gasket types. In addition, the engineered E-ring will serve as a secondary seal during normal operation and the primary sealing element during a fire.

* Note: The “FS” or “Fire Safe” designation denotes only that this gasket has successfully passed the API 6FB fire test. Due to the fact that every fire is unique and many uncontrolled variables are present, no other claims regarding suitability or performance in a fire are made. Each designer, user and/or operator will need to assess their individual situation when deciding to install FS style gaskets. Covered under patents 266755, 7976074, 2271866.

Features and Benefits

  • Maintains seal while subject to a 1500° fire
  • Extremely high reliability sealing and insulating for all critical services
  • Seals and insulates at all pressures up through ANSI 2500# and API 5000#
  • Withstands severe service conditions, including large bending moments, vibration, temperature and pressure cycling
  • Withstands corrosive environments, including high concentrations of CO2, H2S, produced water, etc.
  • Outstanding insulation properties for cathodic protection
  • Pressure activated for reliable sealing and eliminating costly leaks
  • Precisely sized to the bore to protect flange faces from media-induced corrosion and flow-induced erosion. Prevents turbulent flow at flanged connections
  • Eliminates Microbially Induced Corrosion (MIC)
  • Mitigates galvanic corrosion in dissimilar metal flanges
  • Insulating Kits (sleeves and washers) always include high strength double washers and full-length sleeves for maximum assurance against short circuits
  • High strength laminate material resists failure due to excess compression (i.e., over tightening bolts)
  • Spring energized PTFE seal provides radial load and encapsulation in the seal groove to eliminate cold flow
  • Available to match any flange specification (ANSI, API, BS, DIN, AS, others)
  • Can seal mismatched RTJ Flange with Raised Face Flanges

Installation

  • Easy installation, make up and removal
  • Low required bolt loads.
  • Less make-up force is required resulting in less flange and bolt stress.
  • Self-aligning and centering
  • No special tools required.

Tandem seal versions available - contact GPT engineering for size availability

Patent numbers 266755, 7976074, 2271866

Applications

  • Fire-safe flange insulation in conjunction with cathodic protection
  • Insulation between dissimilar metals to prevent galvanic corrosion
  • Wellhead isolation from inter-connected flow lines
  • Valve connections
  • Christmas Tree connections
  • Pump connections
  • Compressor connections
  • Mating mismatched ring-joint to raised-face flanges (VCFS will seal in ring-joint, raised-face and flat face/slip-on flanges)
  • Eliminate fluid trap corrosion between ring-joint (RTJ) flanges where high concentrations of CO2, H2S and other aggressive hydrocarbon media are present
  • Eliminate turbulence and flow-induced erosion between ring-joint (RTJ) flanges.
  • To seal between flanges subjected to vibration/cavitation (i.e., compressor stations).

Specifications

G-11 NEMA LI1 grade G-11 Glass-Reinforced Epoxy (GRE) laminate material:

  • Ring type joint (RTJ) flanges from 2”- 36” (50mm - 920mm)
  • Raised face flanges from 1”- 36” (25mm - 920mm)
  • Compressive Strength: 65,000psi
  • Dielectric Strength: 750-800 VPM
  • Water Absorption: 0.05%
  • Tensile Strength: 50,000psi

One isolating and sealing gasket, VCFS Type “F”, 0.260” thick or .308” thick, 316 stainless steel core retainer laminated on both sides with a G-10 fiber glass reinforced laminate containing a precision tapered groove to accommodate the controlled compression of a PTFE spring energized seal. Another groove shall contain a carbon steel backup ring with Halar® coating and an Inconel® E-ring coated with PTFE. Sealing element placement shall accommodate either flat, raised or RTJ face flanges. The PTFE seal shall be spring and pressure energized. The G-10 retainer shall have a 800 volts/mil dielectric strength and a minimum 65,000 psi compressive strength. The I.D. of the flange isolating gasket shall match the bore of the flange in which it is installed. Product have passed API 6FB fire testing.

Note: Electrical values are based on laboratory conditioned samples in laboratory conditions. Exposure to moisture or elevated temperature will change values.


 

The VCS Family of Electrical Isolation Gaskets

The VCS family is designed to withstand the Very Critical Service environments found in oil and gas, chemical and energy applications – providing uncompromising performance and safety.

The Pikotek® PGE™ is a low-pressure service isolation kit designed for electrical flange isolation and/or general sealing applications

The PGE™ was designed to give operators an alternative to the failure prone phenolic-based isolating gaskets. The unique design of the PGE™ system incorporates patented overlapping and offsetting seal grooves. The purpose of this design is to break each layer of laminate within the gasket itself, thereby creating a barrier through which fluid and/or gas cannot migrate. The sealing element can be any elastomeric material, as well as more sophisticated spring-energized PTFE lip seals. As a result of this advanced seal design, maintenance-free flange isolation and flange face corrosion mitigation are achieved economically. Depending upon the sealing element selected, the PGE™ is rated for most hydrocarbon and water service applications.

This gasket is suitable for use in raised-face and flat-face flanges in ANSI Class 150, 300 and 600 service (or equivalent). In addition to providing electrical isolation, the gasket is excellent for isolating flanges made of dissimilar metals or where prevention of flange face corrosion is desired.

Features and Benefits

  • High-reliability, low-pressure sealing system
  • Provides excellent electrical isolation for cathodic protection systems
  • Overlapping seals eliminate potential leak/weep path in the laminate material
  • Choice of spring-energized PTFE or O-ring pressure activated seals
  • Protects against flange face corrosion and flow-induced erosion
  • Available in ring (type F) style or full-face (type E) style
  • Superior sealing solution for low-pressure (ANSI class 150, 300 and up to 600) service
  • Pressure-activated seals provide high confidence sealing
  • High-strength laminate material resists failure due to excessive compression (i.e. over tightening bolts)
  • Reinforced laminate retainer material provides excellent isolation for cathodic protection systems
  • Isolating kits always include high-strength double washers and full-length sleeves for maximum assurance against shorting
  • Gasket is sized to the bore, which protects flange faces from media-induced corrosion and flow-induced erosion
  • Mitigates galvanic corrosion in dissimilar metal flanges
  • Developed from proven PSI/Pikotek sealing technology
  • Spring-energized PTFE seal provides radial load and encapsulation in the seal groove, which eliminates cold flow
  • Also available with a variety of elastomeric seals
  • Easy installation, make up and removal
  • Low required bolt loads. Less make-up force is required, resulting in less flange and bolt stress
  • Self-aligning and self-centering gasket is quick to install
  • No special tools are required
  • Maintenance-free, corrosion-resistant design

Specifications

G-10 NEMA grade G-10 Glass-Reinforced Epoxy (GRE) laminate

Compressive Strength 65,000 PSI / 448,159 kPa
Dielectric Strength 750-800 VPM Max.
Continuous Operating Temp 302° F / 150° C
Water Absorption 0.05%
Flexural Strength 65,000 PSI / 448,159 kPa
Tensile Strength 50,000 PSI / 344,737 kPa

G-11 NEMA grade G-11 Glass-Reinforced Epoxy (GRE) High Temp. laminate material

Compressive Strength 50,000 PSI / 344,737 kPa
Dielectric Strength 500 VPM Max
Continuous Operating Temp 392° F / 200° C
Water Absorption 0.085%
Flexural Strength 57,700 PSI / 397,827 kPa
Tensile Strength 41,000 PSI / 282,685 kPa

Applications

The PGE™ is an excellent choice for isolating distribution lines and transport lines for gas, oil and water. The screened version is the best available product for filtering welding slag, rocks, nuts, bolts and other particulates from traveling downstream and damaging valves, pumps, compressors, etc. Because the PGE™ has near zero creep relaxation, it performs well in heat exchangers, applications with high vibration or excessive thermal cycling.

Additional Information

SEAL RETAINER The PGE™ seal retainer is constructed from NEMA grade G-10 glass-reinforced epoxy (GRE). This material has excellent performance characteristics with very high compressive strength, high flexural strength, high dielectric strength and low fluid absorption. PGE™ seals made from grade G-10 material are rated for service up to 302° F (150° C). For higher temperature service, grade G-11 is an acceptable alternative material, which is rated for 392° F (200° C) continuous service. Two overlapping and offsetting seal grooves are machined into the high strength retainer in order to break the potential leak/weep path that is inherent in all glass laminate materials. The breaking of the leak/weep path is unique to the PGE™ and truly distinguishes it from all other electrical isolating flange gaskets.

SEALING ELEMENTS The sealing elements provide an impervious barrier through which no contained media or other substance can penetrate. Consequently, the composite retainer backing material behind the seal remains uncontaminated and thus permanently holds the seal in place in a static, fully-encapsulated manner. GPT offers three standard sealing elements for use with the PGE™. For custom applications, other sealing elements such as Kalrez or EPDM may be specified. The three standard seals are:

PTFE (spring-energized) Recommended for all environments. Helical wound spring provides radial load. Encapsulation in the seal groove eliminates creep or cold flow. This sealing system truly distinguishes Pikotek® systems from all other flange sealing systems. Teflon™ is the most reliable sealing element available.

Viton General purpose oilfield elastomer. Excellent resistance to aliphatic hydrocarbons and glycols. Good resistance to aromatic hydrocarbons.

Not recommended for: Systems with amine inhibitors and in piping systems containing significant partial pressures of H2S, polar gases (i.e. CO2) or where radical pressure drops commonly occur.

Nitrile General purpose elastomer. Excellent for use in water systems or with some aliphatic hydrocarbons, silicone base fluids and glycol based systems.

Not recommended for: Systems containing H2S, aromatic hydrocarbons, phosphate esters or halogenated hydrocarbons; piping systems subjected to radical pressure drops or piping systems containing significant partial pressures of polar gases (i.e. CO2).

Isolation Kits

In order to electrically isolate the two flange faces, isolating sleeves and washers are required. To protect your investment in flange isolation, GPT only provides full-length sleeves and double washer sets (i.e. one isolating washer for each end of the bolt). All isolating washers are made of GRE and have a compressive strength of 60,000 psi. Two metal washers are also provided for each sleeve.

GPT offers isolating sleeves made from GRE and Mylar. The metal washers are either zinc-plated 1050 carbon steel, stainless steel or HCS washers. Other custom materials are available on request. The HCS washer is the preferred washer selection.

 

Flange Isolation Kits consisting of an isolating gasket and isolating sleeves and washers

LineBacker® sealing gaskets use a rectangular sealing element, referred to as a "quad" ring, in combination with a unique groove design to effectively seal and isolate flanges of all types. With the unique quad ring design, elastic memory is provided for elastomers not normally associated with this characteristic. Materials such as PTFE may therefore be used as sealing elements, dramatically increasing the ability to match gasket materials to service conditions. This greater variety of materials also provides excellent temperature and chemical range compatibility. LineBacker® sealing gaskets are self-energizing with theoretical near-zero "m" and "y" factors resulting in a positive seal without excessive bolt loads - as are often required with flat gaskets.

Features and Benefits

  • Eliminates flange leaks
  • Guards against blowouts
  • Usable with virtually any type of flange
  • Matches gasket materials to service conditions
  • Lowest possible clamp and compressive load
  • Increases gasket life
  • Insulating version is both a positive seal and a superior insulator

Specifications

Sizes

  • All standard ANSI and API flange sizes from 1/2" and above
  • Custom odd sizes and shapes

One isolating and sealing gasket, LineBacker® Type E or F, .125’ thick manufactured with a G-10 fiber glass reinforced laminate carrier containing a groove with incline plane. Groove will have correct volume void ratio to accommodate seal compression. Sealing element shall be a square elastomer or o-ring. The G-10 retainer shall have a 800 volts/mil dielectric strength and a minimum 65,000 psi compressive strength. The I.D. of the flange isolating gasket shall match the bore of the flange in which it is installed.

Pressure Ratings

All ANSI rated flanges to 900#/3,000psi respectively. Maximum hydrotest pressure is 3,350psi and maximum operating pressure is 2,225psi.

The LineBacker™ series also performs well in vacuum service.

Applications

The LineBacker™ is an excellent choice for isolating distribution lines and transport lines for gas, oil and water. The screened version is the best available product for filtering welding slag, rocks, nuts, bolts and other particulates from traveling downstream and damaging valves, pumps, compressors, etc. Because the LineBacker™ has near zero creep relaxation, it performs well in heat exchangers, applications with high vibration or excessive thermal cycling.

Additional Information

Before Tightening The flange faces come into contact with the sealing elements, which extend slightly above the surface of the retainer. As the flange is tightened, the sealing elements are compressed and move sideways into the inclined portion of the groove, developing a high unit pressure against the flange faces.

After Tightening The flange faces have come into firm contact with the retainer, thus encapsulating the sealing elements within grooves. At the same time, the unique LineBacker® seal configuration provides elastic memory for elastomers not normally associated with this characteristic — resulting in a simple flat gasket with extremely high-loading and self-energizing characteristics without adverse cold flow problems. The LineBacker™ is one of the few gaskets with virtually zero creep relaxation.

Gasket Types

Isolating gaskets may be specified as either "E" or "F" type while single, double or one-piece sleeve and washer sets are offered as options for varying degrees of electrical isolation between the flanges. A wide variety of material options exist for both isolating gaskets and sleeve and washer materials.

All kits are correctly sized for the application and conveniently packaged to minimize loss of component parts during installation.

Type E Gasket (Full Face) The gasket retainer extends out to the O.D. of the flange. Holes are cut at the bolt circle to accommodate threaded studs or bolts.

Type F Gasket(Ring Type) The gasket retainer extends out to the I.D. of the bolt circle. The bolts center the gasket in the flange.

Single Washer Set Single washer set flange isolation kits include the following items for each bolt:

  • One - 1/8" thick steel washer
  • One - Isolating Washer
  • One - Isolating Sleeve

Application Considerations

In buried applications, single washer configurations may be used to allow the Cathodic Protection (CP) current to reach the nuts and bolts. If desired, nuts on the opposite side of the cathodically protected flange may be included as part of the protected system.

Double Washer Set

Double washer set flange isolation kits include the following components for each bolt:

  • Two - 1/8" thick steel washers
  • Two - Isolating washers
  • One - Full length isolating sleeve

Application Considerations

Double washer configurations may be used for added protection against the possibility of "shorting out" the nuts and bolts. In addition, double washer sets electrically isolate the nuts and bolts from both flanges.

Acetal One-Piece Sleeve and Washer Sets

One-piece sleeves eliminate the possibility of error by installers. One-piece sleeve and washer set flange isolation kits include the following items for each bolt:

  • Two - 1/8" thick steel washers
  • One-One-piece isolating sleeve

Application Considerations

Easier to install, one-piece sleeves also allow the inspector a visual indication of sleeve usage. Due to the relatively low compressive strength of this material, its use is not recommended for high pressure or large diameter flanges that require high torque loads.

Note: G-10 One-Piece sleeve/washer assembly available for additional strength and convenience.


 

LineBacker® Sealing Gasket

The GPT LineBacker® gasket is considered to be one of best methods for ensuring zero environmental leakage for almost any type of fluid.

PTFE spring-energized primary sealing element and an E-ring secondary seal, seated in an insulating laminate and permanently bonded to a high-strength metal core, creating a fireproof gasket

The VCXT™ high temperature flange insulation sets create a seal and maintain electrical isolation across a wide range of seating stresses and flange classes in elevated temperature service. They can be used in load compromised connections; such as damaged and/or lined flanges and also heavily bolted connections where significant gasket stresses may be generated.

The insulating gaskets and washers have been designed and developed for use in standard pipeline flanges where both cathodic protection and high integrity sealing are required at elevated service temperatures. For non-standard bolted connections please consult your regional GPT sales manager.

Features and Benefits

  • Fire safe in compliance with API 607 and API 6FB
  • THERMa-PUR™ is suitable for sealing across a wide range of chemicals (pH 0-14) and sweet and sour gaseous and liquid hydrocarbons
  • Standard core and washer metallurgy are NACE (MRO175) compliant.
  • High compression characteristics achieve strong seal over wide range of flange surface finishes
  • Exceeds temperature capability of traditional vermiculite or glass/epoxy insulation sets - 770°F (410°C)
  • Better handling/shipping integrity than mica or vermiculite based products

Applications

  • Fire-safe flange insulation in conjunction with cathodic protection
  • Insulation between dissimilar metals to prevent galvanic corrosion
  • Wellhead isolation from inter-connected flow lines
  • Valve connections
  • Christmas Tree connections
  • Pump connections
  • Compressor connections
  • Mating mismatched ring-joint to raised-face flanges (VCFS will seal in ring-joint, raised-face and flat face/slip-on flanges)
  • Eliminate fluid trap corrosion between ring-joint (RTJ) flanges where high concentrations of CO2, H2S and other aggressive hydrocarbon media are present
  • Eliminate turbulence and flow-induced erosion between ring-joint (RTJ) flanges.

 

Specifications

  • Operational pressure range: Full vacuum to ASME B16.5 2500lb
  • Operational temperature range: -328°F to 770°F (-200°C to 410°C)
  • Blowout Rating (650˚F): 4147 psi
  • Steam Test (hrs. performance @ 407˚F (208˚C)): 6285 hrs.
  • Electrical Test @ 500V DC: 35Gohms

Note: Electrical values are based on laboratory conditioned samples in laboratory conditions. Exposure to moisture or elevated temperature will change values.

Typical Physical Properties

Insulating Gasket & Washers

  • Core Thickness Facing Thickness: 4mm (316SS Core); 0.75mm (x2) (Facing)
  • Factor (m) ASME Minimum: 4.00
  • Seating Stress (y): 3625 psi (25 MPa)
  • Dielectric Strength (ASTM D149a): 9.8 kV/mm

Mica Insulating Sleeves

  • Maximum Temperature Dielectric Strength: +500˚C 20.0 kV/mm

Mica Washers

  • Stainless Steel: 0.125” thick

Other washer material can be provided to suit the application


 

The VCS Family of Electrical Isolation Gaskets

The VCS family is designed to withstand the Very Critical Service environments found in oil and gas, chemical and energy applications – providing uncompromising performance and safety.