FAS
Forward Acting Scored Rupture Disk

The FAS is Oseco’s problem solving rupture disk. It will withstand full vacuum and will operate up to 90% of the stamped rating and still provide excellent service life. The FAS will provide excellent service in static or high cycling service. The scored portion of the rupture disk is placed in service away from the process...thus reducing the probability of product build-up on the disk. The FAS, even if installed incorrectly or damaged, will fail at or below the rated burst pressure...thus being a true "fail-safe" device. Standard materials of construction include Hastelloy (C-276), 316 Stainless Steel, Nickel, Inconel, Monel and Aluminum. Other materials are available on request. The FAS is non-torque sensitive and eliminates the necessity of expensive pre -torqued rupture disk holders. Consider these features:

• For medium to high pressure
• Precision scoring to millionths of an inch
• Absolutely "Fail-Safe"
• Operates up to 90% of rated burst pressure
• Available in 0, 5% or 10% Manufacturing Ranges
• Higher crown height, for better operating to burst pressure ratio
• Gas, liquid or vapor service
• Scored after crowning, for longer service life
• Excellent for relief valve isolation
• Non-fragmenting design

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