How are gaskets sized?
When measuring a circular gasket, think of it as a clock. Use a tape measure or ruler and measure across the gasket from the 9:00 position to the 3:00 position. Measure the inside edges for the I.D. and the outside edges for the O.D. Next, count the number of BH (Bolt Holes) around the face of the gasket.
Can you use spiral wound gasket with flat face flange?
Flexitallic Style CGI Spiral Wound Gaskets Style CGI spiral wound gaskets are suitable for use on flat-face and raised-face flanges, and can be specified for high-pressure/temperature service or where corrosive or toxic media are present.
Where do you place a spiral wound gasket?
Spiral wound gaskets also work well in high-temperature and high pressure conditions and with corrosive media. That’s why they’re the gasket of choice in many petrochemical plants where their long life helps reduce downtime. Most gaskets are cut from sheet material and that means they seal on their flat surfaces.
How thick should a gasket be?
The most commonly used thicknesses for Standard Flange gaskets are 1/16″ and 1/8″.
What is spiral wound gasket?
A Spiral Wound Gasket is the most common metallic gasket used in industrial plants. A properly selected and installed spiral wound gasket can withstand high temperatures and pressures, preventing leaks throughout their intended lifespan. A spiral wound gasket consists of three elements: Outer ring.
What is hoop in spiral wound gasket?
Spiral Wound Gasket is made of alternate piles of V-preformed hoop and soft filler that are tightly and spirally wound together. The outer ring serves as a compression stop, anti-blowout device, which properly centers the gasket on the flange.
How much do graphite gaskets compress?
All new CB Performance Graphite Compression Gaskets are specifically engineered to handle the extreme heat and pressures of a high performance engine. These gaskets start off at 1/8″ thick, but crush to 1/16″, filling the void created by warped or pitted flanges.