... N2.N4,N5,N6,N7,N8 Main parameter of product: Basic Type J41,J541,J941,J61,J561,J961 Pressure grade range ... PN.1.6-42.0MPa (class 150-2500) Bore range DN:15- ... 0 11.0 11.0 16.0 24.0 17.6 17.6 25.0 37.5 27.5 27.5 Pond ... 2 Material for major parts: NO. Name Material Titanium valve Nickel valve Zirconium valve 1 Right body TA2 N6 Zr702 2 Left body ...