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Fluorine lining butterfly valve D371F46
Product introduction
Butterfly valve has features of small volume, light weight, flexible for start-stop and convenient for installation. It adopts dichotomy two-sheet structure.
Design specifications
GB12238, API609, MSS SP-68
Drive mode
manual operation, worm drive, air-operated, power-driven.
Performance specification
| Design and manufacturing | Structure length | Connection flange | Pressure testing | Product mark | Delivery specification |
| GB/T12237 | HG/T3704-2003 GB/T1221 | HG20592-97 | GB/T13927-92 | GB12220 | GB/T12252 |
nominal pressure: PN1.0-1.6(MPa), inside nominal diameter: DN15-DN250(mm).
Sketch map
Standard Material Specifications
| No. | name of parts | gray pig iron | cast steel | stainless steel | ultra-low carbon stainless steel | ||
| Z | C | P | R | PL | RL | ||
| 1 | valve body | HT250 | WCB | CF8 | CF8M | CF3 | CF3M |
| 2 | butterfly plate | WCB | 35(forging) | CF8 | CF8M | CF3 | CF3M |
| 3 | valve rod | 1CY13 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 00Cr18Ni10 | 00Cr17Ni14Mo2 |
| 4 | lining layer/valve seat | PTFE(F4) PCTFE(F3) FEP(F46) PFA(soluble F4) PP PO | |||||
| 5 | seal ring | FPM(fluororubber) | |||||
| 6 | elastic cushion | SI(silicone rubber) | |||||
| 7 | bolt | 35 | 35 | 1Cr17Ni2 | 1Cr17Ni2 | 1Cr18NiTi | 1Cr18Ni9Ti |
| 8 | nut | 45 | 45 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 |
| 9 | handle | WCB | |||||
Main size and weight of butt clamp connection
| inside nominal diameter | standard valves | reference value | |||||||
| DN(mm) | NPS(inch) | L | D1 | D2 | f | Z-Φd | Do | H | W(kg) |
| PN1.0/PN1.6(MPa) | |||||||||
| 40 | 11/2 | 33 | 110 | 85 | 3 | 4-Φ18 | 260 | 140 | 3 |
| 50 | 2 | 43 | 125 | 100 | 3 | 4-Φ18 | 200 | 145 | 4 |
| 65 | 21/2 | 46 | 145 | 120 | 3 | 4-Φ18 | 250 | 155 | 6 |
| 80 | 3 | 46 | 160 | 135 | 2 | 4-Φ18/8-Φ18 | 250 | 165 | 8 |
| 100 | 4 | 52 | 180 | 155 | 3 | 8-Φ18 | 300 | 180 | 12 |
| 125 | 5 | 56 | 210 | 185 | 3 | 8-Φ18 | 300 | 203 | 18 |
| 150 | 6 | 56 | 240 | 210 | 3 | 8-Φ23 | 200* | 225 | 28 |
| 200 | 8 | 60 | 295 | 265 | 3 | 8-Φ23/12-Φ23 | 200* | 275 | 56 |
| 250 | 10 | 68 | 350/355 | 320 | 3 | 12-Φ23/12-Φ25 | 240* | 315 | 72 |
| 300 | 12 | 78 | 400/410 | 368 | 4 | 12-Φ23/12-Φ25 | 240* | 348 | 88 |
| 350 | 14 | 78 | 460/470 | 428 | 4 | 16-Φ23/16-Φ25 | 240* | 415 | 120 |
| 400 | 16 | 102 | 515/525 | 482 | 4 | 16-Φ23/16-Φ30 | 280* | 460 | 145 |
| 450 | 18 | 114 | 565/585 | 532/545 | 4 | 20-Φ25/20-Φ30 | 280* | 500 | 165 |
| 500 | 20 | 127 | 620/650 | 585/608 | 4 | 20-Φ25/20-Φ34 | 320* | 530 | 195 |
| 600 | 24 | 154 | 725/770 | 685/718 | 5 | 20-Φ30/20-Φ36 | 320* | 610 | 268 |
Main size and weight of flange connection
| inside nominal diameter | standard valves | reference value | |||||||||
| DN(mm) | NPS(inch) | L | D | D1 | D2 | f | 4b | Z-Φd | Do | H | W(kg) |
| PN1.0/PN1.6(MPa) | |||||||||||
| 40 | 1 1/2 | 106 | 145 | 110 | 85 | 3 | 18/18 | 4-Φ18 | 160 | 140 | 10 |
| 50 | 2 | 108 | 160 | 125 | 100 | 3 | 20/20 | 4-Φ18 | 200 | 160 | 12 |
| 65 | 2 1/2 | 112 | 180 | 145 | 120 | 3 | 20/20 | 4-Φ18 | 250 | 165 | 13 |
| 80 | 3 | 114 | 195 | 160 | 135 | 3 | 22/22 | 4-Φ18/8-Φ18 | 250 | 170 | 14 |
| 100 | 4 | 127 | 215 | 180 | 155 | 3 | 22/24 | 8-Φ18 | 300 | 180 | 16 |
| 125 | 5 | 140 | 245 | 210 | 185 | 3 | 24/26 | 8-Φ18 | 300 | 275 | 18 |
| 150 | 6 | 140 | 280 | 240 | 210 | 3 | 24/28 | 8-Φ23 | 200* | 295 | 42 |
| 200 | 8 | 152 | 335 | 295 | 265 | 3 | 26/30 | 8-Φ23/12-Φ23 | 200* | 320 | 78 |
| 250 | 10 | 250 | 390/405 | 350/355 | 320 | 3 | 28/32 | 12-Φ23/12-Φ25 | 240* | 385 | 120 |
| 300 | 12 | 270 | 440/460 | 400/410 | 368 | 4 | 28/34 | 12-Φ23/12-Φ25 | 240* | 390 | 145 |
| 350 | 14 | 290 | 500/520 | 460/470 | 428 | 4 | 30/38 | 16-Φ23/16-Φ25 | 240* | 460 | 202 |
| 400 | 16 | 310 | 565/580 | 515/525 | 482 | 4 | 32/40 | 16-Φ25/16-Φ30 | 280* | 510 | 235 |
| 450 | 18 | 330 | 615/640 | 565/585 | 532/545 | 4 | 32/44 | 20-Φ25/20-Φ30 | 280* | 540 | 368 |
| 500 | 20 | 350 | 670/705 | 620/650 | 585/608 | 4 | 34/46 | 20-Φ25/20-Φ34 | 320* | 570 | 420 |
| 600 | 24 | 390 | 780/840 | 725/770 | 685/718 | 5 | 36/54 | 20-Φ30/20-Φ36 | 320* | 660 | 750 |
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