Features&Benefits:Theconcentricdiscoffersbi-directionalserviceandallowshighCvvalueswithitssymmetricshapePrimarysealisformedbythedischubandstemtop,theseatcontactexceedsthepressureratingofthevalveSecondarystemsealissuitableforhighpressureandisself-adjustingDischubedgeareroundedandhandpolishedtoprovidefullconcentricsealingwithoutseatobstructiontoflow,combinedwithmaximumseatlifeReplacementseatisolatesthestemandbodypartsfromthestreamandalsoservesastheflangegasketMoulded-inO-ringprovidespositive)