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Motorized Valves
Standard on/off control, 4-20mA or 0-10VDC modulating control is ooptional
Pneumatic Valves
Standard double acting control, 3 to 8bar input air pressure, 1 million turns tested
Control Valves
Pressure regulation, temperature control. Pneumatic and Motorized Control Valves
Solenoid Valves
Direct acting or pilot operated, various body material, leadwire or din connector
Manual Valves
Manual flange type & wafer type valve, lever handle & handwheel operation
Actuators
ISO 5211 mounting, aluminum alloy body construction, handwheel is optional
Projects
Projects
Water Treatment
Marine
General Industry
Oil Industry
Petrochemical Industry
COVNA Ex-Proof Flange Ball Valve Used In Petrochemical Industry.
Irrigation system water transportation
Multi-turn Motorized Actuator Ball Valve used in Irrigation system
Urban Water Supply
COVNA Inside Screw Non-Rising Gate Valve Used in Municipal Water Sup……
Beverage Conveyors
COVNA Sanitary Ball Valve Used In Beverage Conveyors.
Gas pipeline
COVNA Check Valve used in gas pipeline
Boats and Ship
COVNA Control Valve used in boats and ship industry.
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Valves Study
The Difference Between Open Stem Gate Valve and Dark Stem Gate Valve
The gate valve can be divided into: 1. Rising stem gate valve: The s……
Het verschil tussen enkelwerkend en dubbelwerkend (pneumatische actuator)
Pneumatische actuator, die perslucht gebruikt om klepschakelaars aan……
Electric Actuator Wafer Type Aluminum Alloy Butterfly Valves
Aluminum alloy butterfly valve means that the body material is made ……
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sales@covnagroup.com 
+86-15622261856
