This butterfly valve is suitable for the installation of oil, chemical, metallurgy, water supply and drainage
Material of main parts:
Part name | Material |
Valve body | Cast iron, nodular cast iron, cast steel, stainless steel |
Valve disc | Ductile iror nickel plated, stainless steel, PTFE |
Valve seat | NBR, EPDM,sea water, VITON,PTFE |
Valve stem | Stainless steel,45# nickel plated |
Seal | NBR, EPDM, Neoprene .PTFE, Oily packing |
Specification
PN(MPa) Nominal pressure | 1.0 | 1.6 |
(MPa) Seal test | 1.1 | 1.76 |
(MPa) Strength test | 1.5 | 2.4 |
Suitable mediums | Water,sewage,sea water.acid and alkali |
°C Working temperature | -21~150 |
Main dimensions
DN(mm) | L | L1 | D | D1 | D3 | D4 | H1 | H2 | H3 | b | n-ød |
1.0 | 1.6 | 1.0 | 1.6 | 1.0 | 1.6 |
50 | 108 | 160 | 165 | 165 | 125 | 125 | 77 | 57 | 83 | 130 | 60 | 18 | 4-ø18 | 4-ø18 |
65 | 112 | 160 | 185 | 185 | 145 | 145 | 77 | 57 | 93 | 140 | 60 | 18 | 4-ø18 | 4-ø18 |
80 | 114 | 160 | 200 | 200 | 160 | 160 | 77 | 57 | 100 | 150 | 60 | 20 | 8-ø18 | 8-ø18 |
100 | 127 | 160 | 220 | 220 | 180 | 180 | 92 | 70 | 110 | 165 | 60 | 20 | 8-ø18 | 8-ø18 |
125 | 140 | 160 | 250 | 250 | 210 | 210 | 92 | 70 | 123 | 180 | 60 | 22 | 8-ø18 | 8-ø18 |
150 | 140 | 160 | 285 | 285 | 240 | 240 | 92 | 70 | 143 | 200 | 60 | 22 | 8-ø22 | 8-ø22 |
200 | 152 | 210 | 340 | 340 | 295 | 295 | 115 | 89 | 171 | 230 | 72 | 24 | 8-ø22 | 12-ø22 |
250 | 165 | 210 | 390 | 405 | 350 | 355 | 115 | 89 | 203 | 270 | 72 | 24 | 12-ø22 | 12-ø26 |
300 | 178 | 210 | 440 | 460 | 400 | 410 | 140 | 108 | 230 | 320 | 758 | 26 | 12-ø22 | 12-ø26 |
350 | 190 | 210 | 500 | 520 | 460 | 470 | 140 | 108 | 260 | 350 | 75 | 26 | 16-ø22 | 16-ø26 |
400 | 216 | 320 | 565 | 580 | 515 | 525 | 197 | 159 | 300 | 390 | 126 | 28 | 16-ø26 | 16-ø30 |
450 | 222 | 320 | 615 | 640 | 565 | 585 | 197 | 159 | 335 | 428 | 126 | 30 | 20-ø26 | 20-ø30 |
500 | 229 | 320 | 670 | 715 | 620 | 650 | 197 | 159 | 373 | 450 | 126 | 32 | 20-ø26 | 20-ø33 |
600 | 267 | 340 | 780 | 840 | 725 | 770 | 276 | 216 | 430 | 520 | 127 | 34 | 20-ø30 | 20-ø36 |
700 | 292 | 380 | 895 | 910 | 840 | 840 | 300 | 254 | 470 | 600 | 167 | 36 | 24-ø30 | 24-ø36 |
800 | 318 | 380 | 1015 | 1025 | 950 | 950 | 300 | 254 | 523 | 662 | 167 | 36 | 24-ø30 | 24-ø39 |
900 | 330 | 400 | 1115 | 1125 | 1050 | 1050 | 300 | 254 | 589 | 710 | 193 | 40 | 28-ø33 | 28-ø39 |
1000 | 410 | 400 | 1230 | 1255 | 1160 | 1170 | 300 | 254 | 656 | 780 | 193 | 42 | 28-ø36 | 28-ø42 |