What is grafoil packing?
What is grafoil packing?
GRAFOIL® flexible graphite is a superior performing packing and gasket material. It is the first fluid sealing material made exclusively from natural graphite flake. As a result, its resistance to corrosion, aggressive chemicals, heat and fire make it a critical sealing solution for a variety of applications.
What is the difference between grafoil and graphite?
The name Grafoil® is the original brand name of flexible graphite owned by GrafTech, a company founded in 1886. Grafoil® material was first introduced by Union Carbide in the 1960s. Flexible graphite is 95% – 99% carbon. Flexible graphite is inert to most chemicals, and resistant to heat up to several thousand degrees.
What is grafoil sheet?
Graphite Foil sheets or Grafoil sheets are cut from our production rolls and stocked. The sheets are an excellent sealing material for high temperature, high-pressure transfer of liquids, gasses, steam, chemicals, and corrosives.
What is Teflon packing?
PTFE Packing or Teflon Packing is braided with high purity PTFE (Polytetrafluoroethylene, Teflon) filament. PTFE Packing can be used as a valve and pump packing material. It is especially good for corrosive media, high speed application, or applications that require clean and minimum contamination material.
What is graphite packing?
Graphite packing is a highly resistant sealant used in systems with valves, faucets, and stuffing boxes, as well as other machines with watertight mechanical parts. The resulting graphite packing string is called a “yarn”. These yarns are then braided to increase their tensile strength and durability.
Is grafoil conductive?
Grafoil Synthetic Thermal Graphite Film is a heat spreading material with high thermal conductivity. This material is lightweight and highly flexible.
What is Garlock made of?
Some Garlock Gaskets are made of a compressed non-asbestos gasket sheet of aramid fibers and high temperature fillers with a neoprene (CR) binder. Garlock gaskets are one of the best types of gaskets because of their durability, lifespan, and useability for different types of projects.
What is grafoil used for?
GRAFOIL® flexible graphite was the first fluid sealing material made exclusively from pure, natural graphite flake. Its resistance to heat, fire, corrosion and aggressive chemicals make it the most universally applicable sealing solution on the market today.
What is Gylon material?
Garlock® GYLON® gasketing is a family of severe service PTFE gasketing materials manufactured using a proprietary process that imparts unique physical properties that are not obtainable through conventional manufacturing methods.
Which is better graphite or Teflon packing?
Graphite packings can be treated with PTFE to get better benefits such as preventing colour contamination, gaining better stability etc. Both graphite, as well as PTFE packings, are cost-effective as they bothare durable and require low maintenance.
How do you use stem packing?
Repack a stem seal on a valve Wrap one wind of stem packing rope around the stem. Tighten the packing nut and open the valve. If it still leaks, back off the packing nut and add a few more winds of packing rope.
What is a ribbon pack of grafoil used for?
Ribbon Pack used for Valves in the field, or to make die formed packing sets is one of Grafoils ® most common uses. Used in Refineries, Power Plants, Co-Generation Facilities or anyone dealing with high temp applications. We can deliver it to you in any dimension you choose
Where can I get grafoil flexible graphite gaskets?
At American Seal and Packing has been providing Genuine Grafoil Flexible Graphite since 1994. We recognize there is a difference between the inexpensive imports and high quality American made Flexible Graphite.
How are grafoils used in high temp applications?
At one time it was only used in high temp applications, but like the computer your on ….the prices have come down. Ribbon Pack used for Valves in the field, or to make die formed packing sets is one of Grafoils ® most common uses. Used in Refineries, Power Plants, Co-Generation Facilities or anyone dealing with high temp applications.
What are the product Bulletin sliding stem packing options?
Reference applicable product bulletin for bonnet selection options/guidelines. Packing selections are offered for environmental service: Single PTFE V-ring (easy-e valves such as ED and EWT), ENVIRO-SEAL PTFE, ENVIRO-SEAL Duplex, ENVIRO-SEAL H2 Duplex, KALREZ with Vespel CR-6100, ENVIRO-SEAL graphite ULF, and HIGH-SEAL graphite ULF.