classification
Switch type: directly turn on the power supply (AC220V or other power supply grade power) through the switch forward, anti-missile has been completed switch action.
Regulating type: with AC220V power supply as the power, it receives the preset parameter value of 4~20mA (0~5 and other weak current control) signal of industrial automation control system to complete the regulating action.
Main purpose:
All kinds of industrial automation production pipeline flow, pressure, temperature control. For example: electric power, metallurgy, petrochemical, environmental protection, energy management, fire system and so on.
Features:
1, the valve adopts the three-eccentric sealing structure, the valve seat and disc almost no wear, with more and more tight sealing function.
2, the sealing ring is made of stainless steel, with the double advantages of metal hard seal and elastic seal, no matter in low temperature and high temperature, have excellent sealing performance, corrosion resistance, long service life and other characteristics.
3. The sealing surface of plate plate is made of surfacing cobalt-based hard alloy, which is wear-resistant and has a long service life.
4. The large size butterfly plate adopts quilted structure with high strength, large overflow area and small flow resistance.
5, the valve has a two-way sealing function, installation is not limited by the direction of the medium, nor affected by the space position, can be installed in any direction.
6. The drive device can be installed at multiple stations (rotating 90¡ã or 180¡ã) for user's convenience.
