Main parts materials
| Serial number | Part Name | Gray cast iron | Carbon steel | Stainless steel | |
| Z | C | P | R | ||
| l | Valve body, valve cover | HT250 | WCB | CF8 | CF8M |
| 3 | Lining layer/valve seat | F4, PFA, F46 | F4, PFA, F46 | F4, PFA, F46 | F4, PFA, F46 |
| 4 | Butterfly plate, valve rod | WCB | WCB | CF8 | CF8M |
| 5 | Filling cap | WCB | WCB | CF8 | CF8M |
| 5 | filler | PTFE | PTFE | PTFE | PTFE |
1.0/1.6MPa Main connection size (unit: mm)
| DN | L | D | D1 | D2 | b | Z-φd | H1 | D0 |
| 40 | 106 | 145 | 110 | 85 | 16/18 | 4-φ18 | 140 | 160 |
| 50 | 108 | 160 | 125 | 100 | 20 | 4-φ18 | 160 | 200 |
| 65 | 112 | 180 | 145 | 120 | 20 | 4-φ18/8-φ18 | 165 | 250 |
| 80 | 114 | 195 | 160 | 135 | 20 | 8-φ18 | 170 | 250 |
| 100 | 127 | 215 | 180 | 155 | twenty two | 8-φ18 | 180 | 300 |
| 125 | 140 | 245 | 210 | 185 | twenty two | 8-φ18 | 275 | 300 |
| 150 | 140 | 280 | 240 | 210 | twenty four | 8-φ23 | 295 | 200 |
| 200 | 152 | 335 | 295 | 265 | twenty four | 8-φ23/12-φ23 | 320 | 200 |
| 250 | 250 | 390/405 | 350/355 | 320 | 26 | 12-φ23/12-φ25 | 385 | 240 |
| 300 | 270 | 440/480 | 400/410 | 368/375 | 26/28 | 12-φ23/12-φ25 | 390 | 240 |
| 350 | 290 | 500/520 | 460/470 | 428/435 | 26/30 | 16-φ23/16-φ25 | 460 | 240 |
| 400 | 310 | 565/580 | 515/525 | 482/485 | 26/32 | 16-φ25/16-φ30 | 510 | 280 |
| 450 | 330 | 615/640 | 565/585 | 532/545 | 28/40 | 20-φ25/20-φ30 | 540 | 280 |
| 500 | 350 | 670/705 | 620/650 | 585/608 | 28/44 | 20-φ25/20-φ34 | 570 | 320 |
| 600 | 390 | 780/840 | 725/770 | 685/718 | 34/44 | 20-φ30/20-φ36 | 660 | 320 |
Note: Product information is for reference only. If you have any questions, please contact our company!
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Liangming Group aims to contribute to the high-quality development of the society and economy, help achieve common prosperity, and strive to become a widely respected enterprise with good quality and reputation as its core value.
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