Complaint
Soft sealing butterfly valve is suitable for water supplying and draining,gaspipe as adjust flux and cut off medium in foodstuff,phatmacy,chemical industry,petroleum,electric power,light textile,paper making etc with temperature≤120°C,norminal pressure≤1.6Mpa
1.Novel and resonable design,particular configuration,light,and open and close quickly.
2.Small operative moment,operation easily,laboursaving and skilful.Use suitable material to satisfy low,middle,high different temperature medium and corrosive medium etc.
3.It can exchange sealed component,antisepsis,reliable hermetiacal capacity and seal in double direction with zero leakage.
4.Hermerical material aging resistant,antisepsis,and long service life etc.
Main Parts Material.
| Part Name | Material |
| Body | Cast iron,Ductile iron,Cast steel,Stainless steel |
| Disc | Ductile iron,Cast steel,Stainless steel and other material |
| Seal ring | NBR,PTFE,EPDM.,etc |
| Stem | 2Cr13,Stainless steel |
| Packing | PTFE,Flexible graphite |
| DN | L | D1 | D | Z-d | H | Ho | A | B |
| 50 | 43 | 125 | 165 | 4-18 | 63 | 315 | 180 | 65 |
| 65 | 46 | 145 | 185 | 4-18 | 70 | 330 | 180 | 65 |
| 80 | 46 | 160 | 200 | 8-18 | 83 | 390 | 245 | 72 |
| 100 | 52 | 180 | 220 | 8-18 | 105 | 431 | 245 | 72 |
| 125 | 56 | 210 | 250 | 8-18 | 115 | 455 | 245 | 72 |
| 150 | 56 | 240 | 285 | 8-22 | 137 | 626 | 355 | 93 |
| 200 | 60 | 295 | 340 | 8-22 | 164 | 720 | 350 | 93 |
| 250 | 68 | 350 | 395 | 12-22 | 206 | 800 | 550 | 350 |
| 300 | 78 | 400 | 445 | 12-22 | 230 | 860 | 600 | 350 |
| 350 | 78 | 460 | 505 | 16-22 | 248 | 883 | 600 | 350 |
| 400 | 102 | 515 | 565 | 16-26 | 289 | 972 | 600 | 350 |
| 450 | 114 | 565 | 615 | 20-26 | 320 | 1043 | 750 | 380 |
| 500 | 127 | 620 | 670 | 20-26 | 343 | 1098 | 750 | 380 |
| 600 | 154 | 725 | 780 | 20-30 | 413 | 1236 | 750 | 380 |
| 700 | 165 | 840 | 895 | 24-30 | 478 | 1431 | 750 | 380 |
| 800 | 190 | 950 | 1015 | 24-33 | 525 | 1488 | 750 | 380 |
| Nominal Diameter | DN(mm) | 50~2000 | ||
| Nominal Pressure | PN(Mpa) | 0.6 | 1.0 | 1.6 |
| Test Pressure(Mpa) | Shell test | 0.9 | 1.5 | 2.4 |
| Seal test | 0.66 | 1.1 | 1.76 | |
| Applicable Medium | Air,water,Sewage,Steam,Coal Gas,Oil.,etc. | |||
| Driving Mode | Manual,Worm gear,Pneumatic,Electric | |||
