Combined gate valve ZERO

Combined gate valve ZERO

Combined gate valve type ZERO-300 is used to discharge bulk material from hoppers, storage silos and conveyors. The gate operates indoors or outdoors under the cover with lower limit value of operating air temperature of up to -20°C.

Transfer mechanism consists of electric motor and screw-and-nut. Electric motor transmits torque to the screw, and screw-and-nut puts the sliding shutter into forward movement. Manual drive is designed similarly: on screw-and-nut.

The combined gate must be connected to three-phase AC circuit with frequency of 50 Hz, voltage 380 V with solidly-earthed neutral through residual current circuit breaker.

Operating and shelf life:
Operating life of the gate valve is 10 years.
The shelf life and preservation duration of the gate with appropriate storage is 18 months. If long-term storage is required, re-preservation should be carried out every year.

The shelf life of electrical equipment is 2 years in the absence of acid and other vapors in the environment, which adversely affect electrical devices and packaging.
Warranty obligations:
The warranty period is 12 months from the date of gate commissioning, but not more than 18 months from the date of its shipment to the consumer.

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