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What is the difference between electric valve and pneumatic valve?
Electric valves and pneumatic valves are very common parts in the Marine industry, they are usually used to control and regulate the flow and parameters of various fluid media. So what is the difference between electric valves and pneumatic valves?
Actuator: The actuator of a pneumatic valve usually includes a pneumatic actuator and a valve positioner, while the actuator of an electric valve is an electric actuator.
Reliability: The new generation of electric valve actuator adopts new circuit integration technology, which abandons the previous fatal weakness, so that the actuator can be used for an average of 5-10 years, so as to meet or exceed the service life of the pneumatic valve. Therefore, in terms of reliability, the two types of valves have their own advantages.
Cost: The electric valve is relatively higher than the pneumatic valve cost. If there is an air source on site, it is recommended to use a pneumatic valve (the general air source pressure is 4-6kg), and the applicability of pneumatic valves on the market is higher than that of electric valves.
Water resistance: The water resistance of the electric valve is not as good as the pneumatic valve, and the water resistance of the electric valve itself is not bad, but because some customers are not connected when wiring, it will lead to water leakage, and many electric valves are used outdoors, in the southern Meiyu season, the temperature difference is too large, condensed water will produce too much condensed water will cause internal mold short circuit, The circuit board inside is easily damaged by condensation.
Electric valves and pneumatic valves are very common parts in the Marine industry, they are usually used to control and regulate the flow and parameters of various fluid media. So what is the difference between electric valves and pneumatic valves?
Actuator: The actuator of a pneumatic valve usually includes a pneumatic actuator and a valve positioner, while the actuator of an electric valve is an electric actuator.
Reliability: The new generation of electric valve actuator adopts new circuit integration technology, which abandons the previous fatal weakness, so that the actuator can be used for an average of 5-10 years, so as to meet or exceed the service life of the pneumatic valve. Therefore, in terms of reliability, the two types of valves have their own advantages.
Cost: The electric valve is relatively higher than the pneumatic valve cost. If there is an air source on site, it is recommended to use a pneumatic valve (the general air source pressure is 4-6kg), and the applicability of pneumatic valves on the market is higher than that of electric valves.
Water resistance: The water resistance of the electric valve is not as good as the pneumatic valve, and the water resistance of the electric valve itself is not bad, but because some customers are not connected when wiring, it will lead to water leakage, and many electric valves are used outdoors, in the southern Meiyu season, the temperature difference is too large, condensed water will produce too much condensed water will cause internal mold short circuit, The circuit board inside is easily damaged by condensation.
Switching mode: The pneumatic valve is driven by the air source (the air source comes from the air compressor), the valve is closed after the air source enters, and the valve stem is turned to open when the gas is discharged. The electric valve usually requires an intelligent electric actuator.
Besqo Marine offers a wide range of Marine Valves. For more information, leave message or send an email to sales@besqo.com.