Product Description: Performance parameters design and manufacturing in line with China National Standard 1, the basic structure of the form: angle type 2, nominal pressure: PN1.6-4.0 (MPa) 3, nominal diameter: DN15-300 (mm) Application Specification follow the norms STANDARD design and manufacturing GB12233 / GB 12235 length of the structure GB 12221 / JB96 (long series) structural length GB78 / JB79 (GB, HG, SH) pressure test GB / T 13927 mark GB 12220 supplier GB / T12252 1.6MPa main connection size DN in LD D1 D2 fb z-φd Do H1 H2 W 15 1/2 65/90 95 65 45 2 14 4-φ14 100 240 265 7 20 3/4 75/95 105 75 55 2 16 4-φ14 100 245 270 7.5 25 1 80/100 115 85 65 2 16 4-φ14 120 250 275 8.5 32 21/4 95/105 135 100 78 2 18 4-φ18 140 260 290 12 40 21/2 100/115 145 110 85 2 18 4-φ18 140 290 325 14 50 2 115/125 160 125 100 2 20 4-φ18 160 300 335 19 65 21/2 145 180 145 120 2 20 4-φ18 180 355 400 27 80 3 155 195 160 135 2 22 4-φ18 240 400 450 42 100 4 175 215 180 155 2 24 8-φ18 240 455 495 50 125 5 200 245 210 185 2 26 8-φ18 280 530 560 64 150 6 240/225 280 240 210 2 28 8-φ23 320 605 650 85 200 8 275 335 295 265 2 30 8-φ23 360 650 770 155