Pipe Flanges High Pressure Flange & Welding Nipple Pretensioning type 93 Plastic Seal Type. Maximum pressure 450 Bar ØG Refers to maximum allowable hole in mating part ordering code: ST 52.3 1.4404 QM...D∗∗∗- QMx...D∗∗∗- where ∗∗∗ = tube diameter - = wall thickness 450bar Part Number Nominal Tube Ø A B C D E F G L P W.N. BORE - ∗∗∗ QM48D 48.3 115 105 74 62 M16 101 30 105 29 - ∗∗∗ QM60D 60.3 140 127 92 74 M20 119 45 145 38 - ∗∗∗ QM76D 76.1 170 152 110 90 M24 138 51 165 43 - ∗∗∗ QM90D 88.9 200 170 130 102 M30 164 62 185 54 - ∗∗∗ QM114D 114.3 205 195 138 128 M30 184 80 205 54 - ∗∗∗ QM140D 139.7 250 230 166 154 M36F 218 98 245 65 - ∗∗∗ QM168D 168.3 280 265 194 178 M42F 257 105 295 76 - ∗∗∗ QM219D 219.1 330 310 245 225 M42F 292 130 320 77 to suit pipe wall
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