0000-rated O-rings for oil, gas

Kalrez 0090 O-rings received the best possible rating of 0000 in rigorous third-party testing for rapid gas decompression resistance per NORSOK M-170 Rev 2 standard. Tests were conducted by independent Materials Engineering Research Laboratory Ltd. (MERL) in the United Kingdom.

Added to this manufacturer’s oil and gas-applicable components and materials portfolio, the RGD resistance rating of 0000 is declared critical. O-rings with ratings poorer than Kalrez 0090 are declared likely to suffer greater cracking when exposed to pressure cycling. Once a crack is initiated, gas will accumulate at the next pressure cycle, eventually leading to a complete crack across the section, which could lead to seal failure. MERL also certified excellent Kalrez parts resistance to sour fluid aging, including multiphase fluids containing hydrogen sulfide. Full information is free

DuPont, Vespel
Wilmington DE 19809

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