
■ Main parts and materials
| Part name | Material |
| Upper and lower valve body | Cast iron、Cast steel、Stainless steel、衬Lining/F4 、F46 |
| Valve sea | F4 /F46 |
| With lever dish plate | Fulling (WCB)F4/F46、半衬Half lining/F4、F46 |
| Liner | Silicone Rubber |
| Worm handle | Qt400-15Ductile iron, aluminum alloy |
■ PTFE-lined Butterfly Valve Standard
| Technical specification | |
| Design standard | GB12238 |
| Structure length | GB12221 |
| Flange standard | JB/T79-94 |
| GB9113.1-26 | |
| Inspection and tes | GB/T13927 |
| Drive mode | Worm、Manual、Electric、Pneumatic |
■Main form and connection size
| Nominal diameter | Shape size | The reference value | ||||||||||||
| DN | L | H2 | H1 | D | D1 | D2 | F | B | Z-φd | D0 | H | Weight(kg) | ||
| mm | inch | Wafer | PN1.0MPa | |||||||||||
| 40 | 11/2 | 33 | 143 | 85 | 150 | 110 | 85 | 3 | 19 | 4-18 | 150 | 140 | 2.3 | |
| 50 | 5 | 43 | 143 | 85 | 165 | 125 | 100 | 3 | 19 | 4-18 | 150 | 140 | 2.7 | |
| 65 | 21/2 | 46 | 157 | 85 | 185 | 145 | 120 | 3 | 21 | 4-18 | 150 | 150 | 3.5 | |
| 80 | 3 | 46 | 178 | 93 | 200 | 160 | 135 | 3 | 21 | 4-18 | 150 | 165 | 4.7 | |
| 100 | 4 | 52 | 185 | 100 | 220 | 180 | 155 | 3 | 21 | 4-18 | 200 | 180 | 6.5 | |
| 125 | 5 | 56 | 206 | 110 | 250 | 210 | 185 | 3 | 23 | 4-18 | 200 | 200 | 8 | |
| 150 | 6 | 56 | 225 | 160 | 285 | 240 | 210 | 3 | 25 | 8-23 | 280 | 220 | 10 | |
| 200 | 8 | 60 | 275 | 245 | 340 | 295 | 265 | 3 | 25 | 8-23 | 280 | 270 | 17 | |
| 250 | 10 | 68 | 326 | 260 | 395 | 350 | 320 | 4 | 28 | 12-23 | 200 | 320 | - | |
| 300 | 12 | 78 | 333 | 300 | 445 | 400 | 370 | 4 | 28 | 12-23 | 240 | 330 | - | |
| 350 | 14 | 78 | 393 | 320 | 505 | 460 | 430 | 4 | 28 | 16-23 | 240 | 385 | - | |
| 400 | 16 | 102 | 438 | 330 | 565 | 515 | 480 | 4 | 28 | 16-26 | 280 | 430 | - | |
| 450 | 18 | 114 | 488 | 380 | 615 | 565 | 530 | 4 | 30 | 20-26 | 280 | 480 | - | |
| 500 | 20 | 127 | 540 | 390 | 670 | 620 | 580 | 5 | 30 | 20-26 | 320 | 540 | - | |
| 600 | 24 | 154 | 615 | 450 | 780 | 725 | 680 | 5 | 34 | 20-30 | 320 | 610 | - | |
| 700 | 28 | 165 | 660 | 480 | 895 | 840 | 795 | 5 | 36 | 24-33 | 360 | 650 | - | |
| 800 | 32 | 190 | 720 | 580 | 1015 | 950 | 900 | 5 | 38 | 24-33 | 360 | 710 | - | |
| 900 | 36 | 203 | 780 | 625 | 1115 | 1050 | 1000 | 5 | 40 | 28-33 | 380 | 780 | - | |
| 1000 | 40 | 216 | 900 | 660 | 1230 | 1160 | 1115 | 5 | 42 | 28-36 | 400 | 900 | - | |
| 1200 | 48 | 254 | 1070 | 780 | 1455 | 1380 | 1330 | 5 | 44 | 32-39 | 400 | 1050 | - | |
| Nominal diameter | Shape size | The reference value | |||||||||||||||
| DN | L | H2 | H1 | D | D1 | D2 | F | B | Z-φd | D0 | H | Weight(kg) | |||||
| mm | inch | Wafer | PN1.6MPa | ||||||||||||||
| 40 | 11/2 | 33 | 143 | 85 | 150 | 110 | 85 | 3 | 19 | 4-18 | 150 | 140 | 5 | ||||
| 50 | 5 | 43 | 143 | 85 | 165 | 125 | 100 | 3 | 21 | 4-18 | 150 | 140 | 5.8 | ||||
| 65 | 21/2 | 46 | 157 | 85 | 185 | 145 | 120 | 3 | 21 | 4-18 | 150 | 150 | 6.7 | ||||
| 80 | 3 | 46 | 178 | 100 | 200 | 160 | 135 | 3 | 22 | 8-18 | 150 | 165 | 7.5 | ||||
| 100 | 4 | 52 | 185 | 110 | 220 | 180 | 155 | 3 | 23 | 8-18 | 200 | 180 | 8.8 | ||||
| 125 | 5 | 56 | 206 | 120 | 250 | 210 | 185 | 3 | 23 | 8-18 | 200 | 200 | 11 | ||||
| 150 | 6 | 56 | 225 | 160 | 285 | 240 | 210 | 3 | 25 | 8-23 | 280 | 220 | 15 | ||||
| 200 | 8 | 60 | 275 | 245 | 340 | 295 | 265 | 3 | 28 | 12-27 | 280 | 270 | 24 | ||||
| 250 | 10 | 68 | 326 | 260 | 405 | 355 | 320 | 4 | 28 | 12-27 | 200 | 320 | 34 | ||||
| 300 | 12 | 78 | 333 | 300 | 460 | 410 | 370 | 4 | 30 | 12-27 | 240 | 330 | 44 | ||||
| 350 | 14 | 78 | 393 | 320 | 520 | 470 | 430 | 4 | 32 | 16-27 | 240 | 385 | 86 | ||||
| 400 | 16 | 102 | 438 | 330 | 580 | 525 | 480 | 4 | 34 | 16-30 | 280 | 430 | 128 | ||||
| 450 | 18 | 114 | 488 | 380 | 640 | 585 | 530 | 4 | 42 | 20-30 | 280 | 480 | 159 | ||||
| 500 | 20 | 127 | 540 | 390 | 715 | 650 | 580 | 5 | 42 | 20-33 | 320 | 540 | 190 | ||||
| 600 | 24 | 154 | 615 | 450 | 840 | 770 | 680 | 5 | 48 | 20-36 | 320 | 610 | 235 | ||||
| 700 | 28 | 165 | 660 | 480 | 910 | 840 | 795 | 5 | 48 | 24-36 | 360 | 650 | 335 | ||||
| 800 | 32 | 190 | 720 | 580 | 1025 | 950 | 900 | 5 | 48 | 24-39 | 360 | 710 | 425 | ||||
| 900 | 36 | 203 | 780 | 625 | 1125 | 1050 | 1000 | 5 | 50 | 28-39 | 480 | 780 | 500 | ||||
| 1000 | 40 | 216 | 900 | 660 | 1255 | 1170 | 1115 | 5 | 50 | 28-42 | 400 | 900 | 705 | ||||
| 1200 | 48 | 254 | 1070 | 780 | 1485 | 1390 | 1330 | 5 | 50 | 32-48 | 400 | 1050 | 880 | ||||
