Compatibility of NBR O ring with carbamate

UreaKnowHow – where urea industry meets Forums Ammonia Mechanical & Maintenance Compatibility of NBR O ring with carbamate

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      I previous days we faced incident of O ring failure of typical extrusion and Nibbling type from HP ammonia pump (PD pump OEM Peroni). The O-ring used are provided by Ms PERONI.
      Along with other possible causes (volume of groove and O-ring), is the material compatibility of O-ring with possible carbamate carry over with ammonia in this pump can also be contributory cause.?

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