Underground Type flange Butterfly Valve

Materyal ng mga pangunahing bahagi: Pangalan ng bahagi Material Valve body Cast iron, nodular cast iron, cast steel, hindi kinakalawang na asero Valve disc Ductile iror nickel plated, hindi kinakalawang na asero, PTFE Valve seat NBR, EPDM, tubig dagat, VITON,PTFE Valve stem Hindi kinakalawang na asero, 45# nickel plated Seal NBR, EPDM, Neoprene .PTFE, Oily packing Detalye PN(MPa) Nominal pressure 1.0 1.6 (MPa) Seal test 1.1 1.76 (MPa) Strength test 1.5 2.4 Mga angkop na medium Tubig, dumi sa alkantarilya, tubig dagat.acid at alkali °C Temperatura sa pagtatrabaho -21~150 Mga pangunahing sukat 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 50 108 160 165 165 125 128 8 7 5 ø -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 70 15 ø1 8 00 127 160 220 220 180 180 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 4 2 8 0 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 89 203 220 12-8 10 440 460 400 410 140 108 230 320 758 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 5615 580 5 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-ø26 20-02 43 770 276 216 430 520 127 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 4 300 3 6 6 3 6 4-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 Qualification certificate Exhibition Ang aming mga balbula ay nakatanggap ng maraming atensyon sa Dubai. Pabrika