UTOMST, as one of the most professional concentric butterfly valve suppliers, has its own concentric butterfly valve factory and also offers affordable wholesale concentric butterfly valve price. In the well-known butterfly valve technology, its sealing form mostly adopts a sealing structure, and the sealing material is rubber, polytetrafluoroethylene, etc. Due to the limitation of structural characteristics, it is not suitable for industries such as high-temperature resistance, high-pressure resistance, corrosion resistance, and wear resistance. An existing more advanced reliable butterfly valve is a triple eccentric metal hard-sealed butterfly valve, the valve body and the valve seat are connected components, and the sealing surface layer of the control valve china seat is welded with temperature-resistant and corrosion-resistant alloy materials. The multi-layer soft laminated sealing ring is fixed on the butterfly valve concentric plate. Compared with the traditional butterfly valve, our concentric butterfly valve for sale has high-temperature resistance, is easy to operate, and has no friction when opening and closing. When closing, the torque of the transmission mechanism increases to compensate for the sealing, which improves the concentric flanged butterfly valve. The advantages of sealing performance and extended service life. Contact our butterfly valve china manufacturer to get the latest concentric butterfly valve price.
Size: 2"~60"(DN50~DN1500) larger sizes upon request
Pressure: Class ANSI #150, PN10, PN16
Concentric butterfly valve body material: Carbon steel, cast iron, ductile iron
Standard compliance: ISO5752, BS5155, API 609, MSS-SP-68, ASME B16.10, ASME B16.5, DIN3202
End connections: Flanged Ends OR WAFER, LUG
Operation: manual, pneumatic, electric, or others
Seals: NBR, EPDM, VITON, etc.
Main performance specification of concentric butterfly valve for sale
| DN(mm) Nominal diameter | 50(2")~1000(40") | 50(2")~800(32") | |
| PN(MPa) | 1 | 1.6 | |
| Nominal pressure | |||
| (MPa) Test capability | Housing | 1.5 | 2.4 |
| Seal up | 1.1 | 1.76 | |
| Applicable temperature(°C) | =-15-150 | ||
| Applicable medium | Freshwater, sewage, seawater, air, steam, food, drugs, all kinds of oils, acids, bases, salts, etc. | ||
Materials of main parts
| Part name | Material name |
| Valve body | Gray iron, ductile iron, stainless steel |
| Valve plate | Ductile iron, stainless steel, and aluminum alloy |
| Valve shaft | Carbon steel and stainless steel |
| Valve seat | Rubber |
| Seal up | O type ring |
| Size | A | B | C | D | L | H | D1 | n-Φ | K | E | n1-Φ1 | Φ2 | G | n2-M | f | J | X | Weight (kg) | |
| mm | inch | ||||||||||||||||||
| 40 | 1.5 | 136 | 69 | 33 | 42.6 | 30 | 77.77 | 110 | 4-18 | 77 | 50 | 4-6.7 | 12.6 | 100 | 13 | 13.8 | 3 | 2.3 | |
| 50 | 2 | 161 | 80 | 43 | 52.9 | 32 | 84.84 | 125 | 4- -23 | 77 | 57.15 | 4-6.7 | 12.6 | 100 | - | 13 | 13.8 | 3 | 2.5 |
| 65 | 2.5 | 175 | 89 | 46 | 64.5 | 32 | 96.2 | 145 | 4- -26.5 | 77 | 57.15 | 4-6.7 | 12.6 | 120 | - | 13 | 13.8 | 3 | 3.2 |
| 80 | 3 | 181 | 95 | 46 | 78.8 | 32 | 61.23 | 160 | 8-18 | 77 | 57.15 | 4-6.7 | 12.6 | 127 | - | 13 | 13.8 | 3 | 3.6 |
| 100 | 4 | 200 | 114 | 52 | 104 | 32 | 70.8 | 180 | 4-24.5 | 92 | 69.85 | 4-10.3 | 15.77 | 156 | - | 13 | 17.7 | 5 | 4.9 |
| 125 | 5 | 213 | 127 | 56 | 123.3 | 32 | 82.28 | 210 | 4-23 | 92 | 69.85 | 4-10.3 | 18.92 | 190 | - | 13 | 20.92 | 5 | 7 |
| 150 | 6 | 226 | 139 | 56 | 155.6 | 32 | 91.08 | 240 | 4-25 | 92 | 69.85 | 4-10.3 | 18.92 | 212 | - | 13 | 20.92 | 5 | 7.8 |
| 200 | 8 | 260 | 175 | 60 | 202.5 | 45 | 112.89 76.35 | 295 | 4-25 4-23 | 115 | 88.9 | 4-14.3 | 22.1 | 268 | - | 13 | 24.1 | 5 | 13.2 |
| 250 | 10 | 292 | 203 | 68 | 250.5 | 45 | 92.4 | 350 355 | 4-29 | 115 | 88.9 | 4-14.3 | 28.45 | 325 | - | 13 | 31.45 | 8 | 19.2 |
| 300 | 12 | 337 | 242 | 78 | 301.6 | 45 | 105.34 | 400 410 | 4-29 | 140 | 107.95 | 4-14.3 | 31.6 | 403 | - | 20 | 34.6 | 8 | 32.5 |
| 350 | 14 | 368 | 267 | 78 | 333.3 | 45 | 91.11 | 460 470 | 4-30 | 140 | 107.95 | 4-14.3 | 31.6 | 436 | - | 20 | 34.6 | 8 | 41.3 |
| 400 | 16 | 400 | 309 | 86 102 | 389.6 | 51.2 72 | 100.47 102.42 | 515 525 | 4-26 4-30 | 197 | 158.75 | 4-20.6 | 33.15 | 488 | - | 20 | 36.15 | 10 | 61 |
| 450 | 18 | 422 | 328 | 105 114 | 440.51 | 51.2 72 | 88.39 91.51 | 565 585 | 4-26 4-30 | 197 | 158.75 | 4-20.6 | 37.95 | 536 | - | 20 | 41 | 10 | 79 |
| 500 | 20 | 480 | 361 | 127 | 491.6 | 64.2 82 | 86.99 101.68 | 620 650 | 4-26 4-33 | 197 | 158.75 | 4-20.6 | 41.15 | 590 | - | 22 | 44.15 | 10 | 128 |
| 600 | 24 | 562 | 459 | 154 | 592.5 | 70.2 82 | 113.42 120.46 | 725 770 | 20-30 20-36 | 276 | 215.9 | 4-22.2 | 50.65 | 816 | - | 22 | 54.65 | 16 | 188 |
| 700 | 28 | 624 | 520 | 165 | 695 | 66 | 109.65 | 840 | 24- 30 | 300 | 254 | 8-18 | 63.35 | 895 | - | 30 | 71.4 | 18 | 284 |
| 800 | 32 | 672 | 591 | 190 | 794.7 | 66 | 124 | 950 | 24-33 | 300 | 254 | 8-18 | 63.35 | 1015 | - | 30 | 71.4 | 18 | 368 |
| 900 | 36 | 720 | 656 | 203 | 864.7 | 118 | 117.57 | 1050 | 24-33 | 300 | 254 | 8-18 | 75 | 1115 | 4-M30 | 34 | 84 | 20 | 713 |
| 1000 | 40 | 800 | 721 | 216 | 965 | 142 | 129.891 | 1160/1170 | 24-36 | 300 | 254 | 8-18 | 85 | 1230 | 4-M33 | 35 | 95 | 22 | 864 |
| 1200 | 48 | 940.7 | 864 | 254 | 1160 | 150 | 101.51 | 1380/1390 | 32-39 | 350 | 298 | 8-22 | 105 | 1455 | 4-M36 | 35 | 117 | 28 | 1130 |
