... 3)pressure:PN10/16/25 4)standard:ISO2531/EN545 Double flanged tapermaterial:ductile ironsize:DN100-DN2600pressure:PN10/PN16/PN25type:tapertechnics:castingstandard ... supply various pipe fitting products,such as , flanged socket,flanged spigot,bend,tee,taper,collar,flanged bell mouth,etc,according to customer's requirements ...