1. The main control parameters of the butterfly valve are specifications and dimensions.
2. The butterfly valve is a single-plate air valve with simple structure, convenient processing, low cost, simple operation, but poor adjustment accuracy. It is only suitable for switching or rough adjustment occasions in the ventilation and air-conditioning system.
3. It can be operated manually, electrically or by zipper, and can be fixed at any angle within 90°.
4. Due to the single-axis single valve plate, the bearing capacity is limited, and the service life of the valve is short under the conditions of large pressure difference and large flow rate. The valve is divided into closed type and ordinary type, heat preservation and non-heat preservation.
5. The electric butterfly valve has only two-position control, and the electric actuator is the same as the multi-leaf valve.