Desulfurization Butterfly Valve
Desulfurization Butterfly Valve
Item Number:
Desulfurization butterfly valve is a type of valve designed to regulate the flow of fluids in desulfurization systems. It allows for precise control of the discharge of flue gases, which helps remove sulfur compounds from the materials being processed. This valve is commonly made of materials that resist corrosion and wear due to the harsh environment of the desulfurization process. It is easy to operate, durable, and reliable, making it an essential component of the desulfurization process in power plants, chemical plants, and other industrial facilities.
Material of main parts
| Part Name | Material |
| Body | Cast Iron,Ductile Iron,WCB,Stainless Steel,Bronze |
| Seat | Desulphurized ethylene propylene rubber,Teflon,Fluorine rubber |
| Disc | 2205,2507,1.4469,1.4529 Etc |
| Stem | SS416,SS304,SS316 |
| End Connection | Wafer |
| Operate | Manual,Worm gear,Pneumatic,Electric-Motorized |
| Disc Type | One stem no-pin,Double stem no-pin |
Valve Design
| Technical Specification | |
| Valve Design | GB/T12238,API609,MSS SP-67 |
| Face to Face | GB/T12221,API609,MSS SP-67,DIN3202,BS EN558-1 |
| Pressure Test | GB/T13927,API598 |
| Flange Drilling | GB/T17241.6,ASI B16.1 Class125,BS4504 PN10/PN16 DIN2501 PN10/PN16 |
| Top Flange | It can be customized to 5211 standard |
Main external and connecting dimensions(mm)
| DN | NPS | φD1 | φD2 | N x U | L | H | K | E | φG | C | n x φd | & | ||||
| PN10 | PN16 | 150LB | PN10 | PN16 | 150LB | |||||||||||
| 40 | 1 1/2 | 110 | 110 | 98.4 | 70 | 4 x φ19 | 4 x φ19 | 4 x φ16 | 33 | 28 | 77 | 57 | 12.6 | 3 | 4 x φ7 | 90° |
| 50 | 2 | 125 | 15 | 120.7 | 73 | 4 x φ19 | 4 x φ19 | 4 x φ19 | 43 | 28 | 77 | 57 | 12.6 | 3 | 4 x φ7 | 90° |
| 65 | 2 1/2 | 145 | 145 | 139.7 | 85 | 4 x φ19 | 4 x φ19 | 4 x φ19 | 46 | 28 | 77 | 57 | 12.6 | 3 | 4 x φ7 | 90° |
| 80 | 3 | 160 | 160 | 152.4 | 100 | 4(8) x φ19 | 4(8) x φ19 | 4 x φ19 | 46 | 28 | 77 | 57 | 12.6 | 3 | 4 x φ7 | 90° |
| 100 | 4 | 180 | 180 | 190.5 | 131 | 4(8) x φ19 | 4(8) x φ19 | 4(8) x φ19 | 52 | 32 | 92 | 70 | 15.77 | 5 | 4 x φ10 | 90° |
| 125 | 5 | 210 | 210 | 215.9 | 155 | 4(8) x φ19 | 4(8) x φ19 | 4(8)x φ22 | 56 | 32 | 92 | 70 | 18.92 | 5 | 4 x φ10 | 90° |
| 150 | 6 | 240 | 240 | 241.3 | 185 | 4(8) x φ23 | 4(8) x φ23 | 4(8) x φ22 | 56 | 32 | 92 | 70 | 18.92 | 5 | 4 x φ10 | 90° |
| 200 | 8 | 295 | 295 | 298.5 | 234 | 4(8) x φ23 | 4(12) x φ23 | 4(8) x φ22 | 60 | 42 | 115 | 89 | 22.1 | 5 | 4 x φ14 | 90° |
| 250 | 10 | 350 | 355 | 362 | 288 | 4(12) x φ23 | 4(12) x φ28 | 4(12) x φ26 | 68 | 45 | 115 | 89 | 28.45 | 8 | 4 x φ14 | 90° |
| 300 | 12 | 400 | 410 | 431.8 | 340 | 4(12) x φ23 | 4(12) x φ28 | 4(12) x φ26 | 78 | 45 | 140 | 108 | 31.6 | 8 | 4 x φ14 | 90° |
| 350 | 14 | 460 | 470 | 476.3 | 371 | 4(16) x φ23 | 4(16) x φ28 | 4(12) x φ29 | 78 | 45 | 140 | 108 | 31.6 | 8 | 4 x φ14 | 90° |
| 400 | 16 | 515 | 525 | 539.8 | 435 | 4(16) x φ28 | 4(16) x φ31 | 4(16) x φ29 | 86/102 | 55 | 197 | 159 | 33.15 | 10 | 4 x φ20 | 90° |
| 450 | 18 | 565 | 585 | 577.9 | 486 | 4(20) x φ28 | 4(20) x φ31 | 4(16) x φ32 | 104/114 | 55 | 197 | 159 | 37.95 | 10 | 4 x φ20 | 90° |
| 500 | 20 | 620 | 650 | 635 | 531 | 4(20) x φ28 | 4(20) x φ34 | 4(20) x φ32 | 130/127 | 55 | 197 | 159 | 41.15 | 10 | 4 x φ20 | 90° |
| 550 | 22 | 675 | 710 | 692.1 | 600 | 4(20) x φ31 | 4(20) x φ34 | 4(20) x φ35 | 150 | 55 | 197 | 159 | 41.15 | 10 | 4 x φ20 | 90° |
| 600 | 24 | 725 | 770 | 749.3 | 650 | 4(20) x φ31 | 4(20) x φ37 | 4(20) x φ35 | 154 | 70 | 276 | 216 | 50.65 | 16 | 4 x φ22 | 90° |
| 650 | 26 | 780 | 790 | 806.4 | 715 | 4(24) x M27 | 4(24) x M33 | 4(24) x 1 1/4-8UN | 172 | 70 | 276 | 216 | 50.65 | 16 | 4 x φ22 | 90° |
| 700 | 28 | 840 | 840 | 863.6 | 770 | 4(24) x M27 | 4(24) x M33 | 4(28) x 1 1/4-8UN | 165 | 80 | 300 | 254 | 63.35 | 2 x 18 | 8 x φ18 | 90° |
| 750 | 30 | 900 | 900 | 914.4 | 815 | 4(24) x M30 | 4(24) x M33 | 4(28) x 1 1/4-8UN | 167 | 80 | 300 | 254 | 63.35 | 2 x 18 | 8 x φ18 | 90° |
| 800 | 32 | 950 | 950 | 977.9 | 901 | 4(24) x M30 | 4(24) x M36 | 4(28) x 1 1/2-8UN | 190 | 80 | 300 | 254 | 63.35 | 2 x 18 | 8 x φ18 | 90° |
| 900 | 36 | 1050 | 1050 | 1085.8 | 973 | 4(28) x M30 | 4(28) x M36 | 4(32) x 1 1/2-8UN | 203 | 110 | 300 | 254 | 75 | 2 x 20 | 8 x φ18 | 22.5° |
| 1000 | 40 | 1160 | 1170 | 1200.2 | 1060 | 4(36) x 1 1/2-8UN | ||||||||||
| 1100 | 44 | 1270 | 1270 | 1314.4 | 1184 | 4(32) x M33 | 4(32) x M69 | 4(40) x 1 1/2-8UN | 251 | 120 | 300 | 254 | 95 | 2 x 25 | 8 x φ18 | 22.5° |
| 1200 | 48 | 1380 | 1390 | 1422.4 | 1320 | 4(44) x 1 1/2-8UN | ||||||||||