Pipe Flanges High Pressure Flange & Welding Nipple Pretensioning type 94 Plastic Seal Type. Coupling assembly 450 Bar ordering code: ST 52.3 1.4404 QM...DC∗∗∗-- QMx...DC∗∗∗-- where ∗∗∗ = tube diameter -- = wall thickness Repeat if tube detail differs per side 450bar Part Number Nominal Tube Ø A B C D E F Gmax. L W.N. BORE -- ∗∗∗ QM48DC 48.3 115 105 74 62 M16 119 30 195 -- ∗∗∗ QM60DC 60.3 140 127 92 74 M20 147 45 275 -- ∗∗∗ QM76DC 76.1 170 152 110 90 M24 166 51 315 -- ∗∗∗ QM90DC 88.9 200 170 130 102 M30 201 62 355 -- ∗∗∗ QM114DC 114.3 205 195 138 128 M30 221 80 395 -- ∗∗∗ QM140DC 139.7 250 230 166 154 M36F 272 98 475 -- ∗∗∗ QM168DC 168.3 280 265 194 178 M42F 322 105 575 -- ∗∗∗ QM219DC 219.1 330 310 245 225 M42F 367 130 625 to suit pipe wall
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