Technical parameters of cast iron flange globe valve model J41T-16 J41W-16 J41H-16 J41F-16 Nominal pressure（PN） 16 16 16 16 Sealing test（MPa） 1.76 1.76 1.76 1.76 Shell test（MPa） 2.4 2.4 2.4 2.4 Applicable temperature（≤℃） 200 100 200 150 Applicable medium Water / steam Oils Water / steam water Material of main parts of cast iron flange globe valve Part name Material Science J41T-16 J41W-16 J41H-16 J41F-16 Body / cover / gate Grey cast iron Grey cast iron Grey cast iron Grey cast iron Valve disc Grey cast iron Grey cast iron Grey cast iron Grey cast iron Stem stainless steel stainless steel stainless steel stainless steel seal ring copper alloy - stainless steel Fluoroplastics filler Flexible graphite Drawing of cast iron flange globe valve Main connecting dimensions of cast iron flange globe valve DN L D D1 D2 D0 Z-Φd b f H(off) H1 (on) 15 130 95 65 47 55 4-14 14 2 109 117 20 150 105 75 58 55 4-14 16 2 109 117 25 160 115 85 68 80 4-14 16 3 132 142 32 180 140 100 78 100 4-19 18 3 156 168 40 200 150 110 88 100 4-19 18 3 167 182 50 230 165 125 102 120 4-19 20 3 263 290 65 290 185 145 122 140 4-19 20 3 276 300 80 310 200 160 133 200 8-19 22 3 330 370 100 350 220 180 158 240 8-19 24 3 370 420 125 400 240 210 184 280 8-19 26 3 423 486 150 480 285 250 212 320 8-23 26 3 485 566 200 600 340 295 268 360 12-23 30 3 562 662