Structure Description:Equivalent to John Crane WB2 sealPTFE bellows design,Website:http://www.mechanicalsealsenactus.com, ... : Car,Sic,Ssic,Ceramic,PTFE,GlassfillSecondary seal: PTFESpring and metal parts: 304,316Enactus -WB2 Dimensions(Inches)dD3D6D7L1L3L21.0006042.8654424517.51.1256746 ...