Soft sealing butterfly valve is suitable for regulating flow and intercepting medium in water supply and drainage and gas pipelines of food, medicine, chemical industry, petroleum, electric power, metallurgy, urban construction, light textile, papermaking, etc. with temperature ≤ 120 ℃ and nominal pressure ≤ 1.6Mpa.
Its main features are as follows
1. The design is novel and reasonable, the structure is unique, the weight is light, and the opening and closing is fast.
2. Small operating torque, convenient operation, labor saving and dexterity.
3. It can be installed at any position and easy to maintain.
4. The sealing parts can be replaced, the sealing performance is reliable, and the bidirectional sealing has zero leakage.
5. The sealing material has the characteristics of aging resistance, corrosion resistance and long service life.
Flange connection size: GB / T 9113; GBT 17241.6
Structure length: GB / T 12221;
Pressure test: GB / T 13927; JB / T 9092
Applicable media: fresh water, sewage, sea water, air, steam, food, medicine, various oils, acids, bases, salts, etc.
| Nominal diameter | DN(mm) | 50~1200 | ||
| Nominal pressure | PN(MPa) | 0.6 | 1 | 1.6 |
| Test pressure Ps(MPa) | Strength test | 0.9 | 1.5 | 2.4 |
| Sealing test | 0.66 | 1.1 | 1.76 | |
| Applicable medium | Fresh water, sewage, sea water, air, steam, food, medicine, various oils, acids, bases, salts, etc. | |||
| Driving form | Manual drive, worm gear drive, pneumatic drive, electric drive. | |||
| Part name | Material Science |
| Valve body | Ductile iron, cast steel, alloy steel, stainless steel |
| Disc | Gray cast iron, ball ring cast steel, cast steel, stainless steel and special materials |
| Seal ring | All kinds of rubber, polytetrafluoroethylene |
| Stem | 2Cr13, stainless steel |
| Filler | O-ring, moringal graphite |
