1. Overview
The SFD accident pressure distribution sectional closing device integrates the accident pressure distribution valve and the sectional closing valve. It is used in the speed control system of the hydropower generator set in the hydropower station to prevent the unit from overspeed and water hammer, and is the normal operation of the hydroturbine generator set. Operation provides safe and reliable protection.
Through the optimized design of this product, all components are connected by plate plug-in, which has a high degree of integration, good sealing performance, convenient installation, debugging and maintenance, small size and reliable operation.
2. Technical parameters
Rated pressure: 2.5MPa 4.0MPa 6.4MPa
Power supply voltage: 220VDC, 220VAC
Output contact: SPDT
Contact capacity: 5A/AC220V
Ambient temperature: 5～40℃
Relative humidity: ≤95%RH
Installation method: horizontal and vertical installation
Connection method: flange connection, flange standard: GB9119-2000
3. Dimensions
