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Double Flanged Butterfly Valves
● Brief
This butterfly valve is suitable on system such as petrdeum, chemical industry, foodstuff, medicine, papermaking, industrial environmental protection, shipping, plumbing, the smelting and on high-level pipeline architecture can be in a variety of corrosive、non-corrosive gases, liquid, fluids and solids loading pipelines and containers for powder headstock or adjust the medium flow purposes.
● Technical DATA
Nominal Diameter DN(mm)：50(2”)~1000(40”), 50(2”)~800(32”)
Nominal Pressure PN(MPa)：1.0~1.6
Testing Pressure (MPa)：Shell:1.5~2.4 Sealing:1.1~1.76
Suitable Mediums:water、Sea water、Air、Oils、Acids alkali etc.
Working Temperature: -15~+150
● Features
1, Drive with handwheel, wrench, manual head and pneumatic and electric hoist operation
2, Removed the valve packing and sealing parts, Saving raw materials, reducirg the valve weight.
3, Simple structure, easy to operate quickly and easily solve the valve resulting in leakage, leakage, wear and rush ills.
● Meterial Of Main Parts
（Parts name） | （Material name） |
（Body） | （Cast iron,Ductile iron, steel, stainless steel) |
（Butterfly Plate） | (Nickel-Plated ductile iron, Stainless steel, nylon review, follow-tetraflu or oethane) |
（Seat） | (Small eyes, sea water dedicated, fluorine rubber,PTFE) |
（Stem） | (2Cr13, stainless steel, 45# nickel-liated ) |
（Strong magnet） | (Nickel-plated NdFeB N38) |
(Jacket) | (stainless steel) |
HT200 ABS | |
(Hand wheel) |
● Overall & Connection Dimensions
公称通径 | 尺寸 Size （mm） | ||||||||||||||
DN | |||||||||||||||
Nominal diameter | L | L1 | D | D1 | D3 | D4 | H1 | H2 | H3 | b | Z-Φd | ||||
mm | inch | 1.0 | 1.6 | 1.0 | 1.6 | 1.0 | 1.6 | ||||||||
50 | 2” | 108 | 160 | 165 | 165 | 125 | 125 | 77 | 57 | 83 | 130 | 60 | 18 | 4-18 | 4-18 |
65 | 2.5” | 112 | 160 | 185 | 185 | 145 | 145 | 77 | 57 | 93 | 140 | 60 | 18 | 4-18 | 4-18 |
80 | 3” | 114 | 160 | 200 | 200 | 160 | 160 | 77 | 57 | 100 | 150 | 60 | 20 | 8-18 | 8-18 |
100 | 4” | 127 | 160 | 220 | 220 | 180 | 180 | 92 | 70 | 110 | 165 | 60 | 20 | 8-18 | 8-18 |
125 | 5” | 140 | 160 | 250 | 250 | 210 | 210 | 92 | 70 | 123 | 180 | 60 | 22 | 8-18 | 8-18 |
150 | 6” | 140 | 160 | 285 | 285 | 240 | 240 | 92 | 70 | 143 | 200 | 60 | 22 | 8-22 | 8-22 |
200 | 8’ | 152 | 210 | 340 | 340 | 295 | 295 | 115 | 89 | 171 | 230 | 72 | 24 | 8-22 | 12-22 |
250 | 10” | 165 | 210 | 390 | 405 | 350 | 355 | 115 | 89 | 203 | 270 | 72 | 24 | 12-22 | 12-26 |
300 | 12” | 178 | 210 | 440 | 460 | 400 | 410 | 140 | 108 | 230 | 320 | 75.8 | 26 | 12-22 | 12-26 |
350 | 14” | 190 | 210 | 500 | 520 | 460 | 470 | 140 | 108 | 260 | 350 | 75 | 26 | 16-22 | 16-26 |
400 | 16” | 216 | 320 | 565 | 580 | 515 | 525 | 197 | 159 | 300 | 390 | 126 | 28 | 16-26 | 16-30 |
450 | 18” | 222 | 320 | 615 | 640 | 565 | 585 | 197 | 159 | 335 | 428 | 126 | 30 | 20-26 | 20-30 |
500 | 20” | 229 | 320 | 670 | 715 | 620 | 650 | 197 | 159 | 373 | 450 | 126 | 32 | 20-26 | 20-33 |
600 | 24” | 267 | 340 | 780 | 840 | 725 | 770 | 276 | 216 | 430 | 520 | 127 | 34 | 20-30 | 20-36 |
700 | 28” | 292 | 380 | 895 | 910 | 840 | 840 | 300 | 254 | 470 | 600 | 167 | 36 | 24-30 | 24-36 |
800 | 32” | 318 | 380 | 1015 | 1025 | 950 | 950 | 300 | 254 | 523 | 662 | 167 | 36 | 24-30 | 24-39 |
900 | 36” | 330 | 400 | 1115 | 1125 | 1050 | 1050 | 300 | 254 | 589 | 710 | 193 | 40 | 28-33 | 28-39 |
1000 | 40” | 410 | 400 | 1230 | 1255 | 1160 | 1170 | 300 | 254 | 656 | 780 | 193 | 42 | 28-36 | 28-42 |
