... Dn100) 2.European EN14420-8/NF E29 Guillemin Quick Coupling,guillemin coupling,reducing with locking ring Specifications: 1.Technical Standard : ... NF E29-5752.Working Pressure :16 bar/230psi3.Material(coupling body):Aluminum(heat thread T6)4.Thread:EN ISO ... .Gasket:NBR,RPDM,VITON6.Casting Technique:Gravity casting7.Usual industrial field used:military,oil,colliery,fire,control,chenmical,industry ...