Formula Air RS-EXL Посібник з технічного обслуговування - Сторінка 7
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4. USAGE & FUNCTIONNAL DESCRIPTION
An Ex‐rotary valve is constructed for following use :
Safety component for isolation of explosions on a plant
Non‐compressed unloading o f m aterials
The Ex rotary valve is functionally built up of the following main elements:
Rotor casing
Rotor
Drive set (motor, gear and coupling)
4.1.
Rotor casing
The rotor casing is made of sheet steel. Inlet and outlet are provided with flange connection.
The end plate positioned at the drive set can be dismounted in a way that provides access to
the rotor. The rotor casing is externally coated with primer and finish paint.
4.2.
Rotor
The rotor is built up of a rotor shaft mounted with 8 sets of blade retainers in hot galvanized
plate. Sealing blades in durable material are mounted in the blade retainers.
4.3.
Drive set
The rotor is driven by an electric motor. The connection between rotor and electric motor is
established by coupling and gear.
4.4.
Protective system
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