The best thing to happen to the sealing and gasket
industry over the last 10 years has got to be
Grafoil®Flexible Graphiteand we handle all types including: Sheet, Ribbon , Braided and Ribbon Pack.
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. We can deliver it to you in any dimension you choose|
|Flexible graphite, due to it's softness seals great but can also break if bent too far. To make it easier to handle we offer it with a 316 S.S. foil insert, tanged insert, or for easier cutting - no insert at all. Available in a range of grades from automotive & Industrial to Nuclear.|
Die formed Graphite sets for valves in applications that require the lowest of leak rates. Now a standard in the valve industry because of it's effectiveness, Carbon yarn end rings with die formed flexible graphite center rings
Braided Flexible Graphite
Temp: 1200 F Steam, 0-14 pH
A high temperature packing good for most applications. Now available in this braided version that eliminates the need for dies. Great for high temp or chemical applications (non-oxidizing) that can not leak. When you have to have the leak rate near that of a Mechanical Seal in a pump this is the packing to use.
Special Products and Services
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. The most significant factor is the purity of the graphite. Graphtec imports it's raw material from Madagascar because the graphite is the most pure. Flexible graphite is made "flexible" by expanding it into flexible graphite worms. To do so the graphite has to be exposed to acid. The two acids that work are nucleic and sulphic. Sulphuric is the least expensive and is often used for that reason by the inexpensive importers. Depending on the concentration used the resulting graphite will often smell like rotten eggs. Nucleic is the better of the two methods and does not leave a sulphur residue.
The big concern is not just the smell of sulphur but the pitting the sulphur will cause to your flanges. It does not make a lot of sense to save a couple dollars on an inexpensive flexible graphite gasket, and spend hundreds replacing flanges that will no longer seal properly because they are pitted.
American Seal & Packing,
1537 E. McFadden Ave. Suite A
Santa Ana, CA. 92705 Phone Number: 714-361-1435