Vacuum electric butterfly valve with low leakage design
Description
DCL electric vacuum butterfly valves are widely used in new energy, semiconductor, diary products, winery, pharmacy, beverage, chemical and cosmetic industries etc. Negative pressure pipes are more and more commonly seen for special media.
Features
Vacuum butterfly valve
- Size from DN40 to DN 600, 1 1/2” to 24”
- Investment cast with WCB, SS304(CF8), SS316(CF8M)
- Scope of application (pressure) 105~6.7*10-5Pa
- Valve leakage rate ≤ 1.3*10-5Pa.L/S
- Seat material NBR((Buna-N), Viton optional
- ISO top flange mounting
Electric actuator
- 1/4 turn operation with self-locking
- Automate ball valve and butterfly valve to adjust or cut off flow
- Compact size for limit space with weather proof IP67/type 4X aluminum alloy housing
- Heavy duty motor with thermal overload protection/duty rate 80%
- Over 10000 times full range life cycle with full rated load
- Resistance to extra low and high temperature and high moisture environment
- Standard manual handle
- CSA listed/UL complied/CE marked/RoHS 3.0 tested
Specification:
| Actuator Type | Butterfly Valve(≤PN1.0MPa) | Ball Valve(≤PN1.6MPa) | Vent Valve(≤PN0.1MPa) |
| DCL-Ex05 | DN50~65 | DN40 | DN50~80 |
| DCL-Ex10 | DN80~100 | DN50~65 | DN100~200 |
| DCL-Ex20 | DN125~150 | DN80~100 | DN250~300 |
| DCL-Ex40 | DN200 | DN125 | DN350~450 |
| DCL-Ex60 | DN250 | DN150 | DN500~600 |


