Category Archives: GORE

What is ePTFE?

ePTFE - Bill Gore & his wife, VieveSince 1958, Gore has developed products that improve lives. At the center of these solutions is polytetrafluoroethylene (PTFE), a polymer with exceptional properties like high tensile strength, a low dielectric constant, UV resistance and many more. In 1969, the possibilities for PTFE expanded with Bob Gore’s discovery of expanded PTFE, or ePTFE.

In the years since, Gore has developed unparalleled expertise in manipulating ePTFE and other fluoropolymers. Gore’s engineers can change a material’s structure, shape, thickness and surface geometry, then pair it with complementary materials to provide the performance qualities required by the application and the customer. The resulting product can be strong or permeable, rigid or flexible, thin or thick — with many additional combinations of properties that can be applied to meet the end use requirements.

Since its very founding, Gore has been passionate about solving the complex challenges of their global customers. From the first suggestion of a product need, to its delivery to market, this passion is apparent in everything Gore does.

  • Curiosity: From keeping water off a person’s skin to preventing leaks from happening in chemical containers, Gore listens to their customers and analyze the challenges to determine the underlying problem.
  • Competency: Gore determines how they can apply their expertise in fluoropolymer science to deliver solutions that are valued and differentiated from the competition.
  • Commitment: Gore rigorously tests their products to ensure they deliver failure-free performance and suit their customers’ needs and applications, the first time and every time.

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Pipe Gaskets for Diverse Flange Materials

Looking to consolidate your inventory into as few materials or parts as possible?  Would eliminating the installation of incorrect gasketing material interest you?  GORE® Universal Pipe Gaskets may be the answer.

GORE Universal Pipe Gaskets (UPG)GORE® Universal Pipe Gaskets (Style 800) provide a reliable seal for steel, glass-lined steel and fiber reinforced plastic (FRP) flanges, in the full spectrum of strong acid, alkali, and solvent process media, including the most challenging thermal cycling and elevated temperature applications. This single gasket solution can reduce the process safety and production downtime risks caused by the use of an incorrect gasket material. The highly conformable 100% ePTFE also reliably seals irregular surfaces.

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VIDEO: Sealing Flanges with Surface Deviations

Surface Deviations - Pitted FlangeOver time, and for any number of reasons, flanges are prone to surface deviations.  Damaged areas will tend to create a leak path that the gasket must try to seal.

Flange damage most commonly occurs when removing previously used gasket material from the sealing surface – tools such as chisels, or screw drivers, should be avoided. A brass wire brush is suggested.

The video below proves how well GORE® Gasket Tape Series 500 works on flanges with surface deviations versus a standard filled PTFE gasket.

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VIDEO: Installing GORE® Gasket Tape Series 500

A spool of GORE® Gasket Tape Series 500 provides an immediate, cost-effective solution to sealing challenges that demand reliable performance and extended durability. This advanced product, with Gasket Tape Series 500its industry-leading creep resistance, is designed to maximize the operational reliability of large steel-flanged applications, especially those with thermal cycling.

It eliminates the lag time, costs and complexities associated with engineering, specifying, procuring, shipping, storing and installing traditional one-piece prefabricated gaskets.  It also delivers exceptionally reliable sealing performance, while making multiple gasketing installations faster, more cost-effective and simpler.

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GORE® Gasket Tape Gets an Upgrade

GORE® Gasket Tape is a 100% ePTFE form-in-place gasket that delivers worry-free sealing performance for large steel flanges (Series 500) and large glass-lined steel equipment (Series 1000). While this product has a number of advantages, GORE® has now made their gasket tape line even easier to use.


Improved installation-aid adhesive.

GORE® Gasket Tape - New Backer vs. Old BackerGORE® has upgraded the removable adhesive backer on GORE® Gasket Tape Series 500 and Series 1000 to a new higher strength material. This ensures that when the backer is removed at installation, it peels away in one easy-to-remove piece.

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VIDEO: Gore GFO Fiber vs Graphite/PTFE Packing

When tested alongside generic graphite/PTFE packing, packing made of 100% Gore® GFO® Fiber achieves better results for all key attributes: creep resistance, retention of lubricant, sealability, and stability (shrinkage).

The differences in performances for each generic packings will have an impact on the operational costs.

GORE GFO
Based on calculations for a 100 psi (6.9 bar) pump, 2 inch saft (50 mm); Drip rate 25,000 gallons (94.6 m3)/ year; Packing = $40; Replacement of packing = 3 times per year; kWh = $0.12

 

 

 

 

 

 

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