10.2
COVNA 19th Anniversary & New Factory Inauguration

On 27th July, 2019, COVNA 19th Anniversary & New Factory Inauguration were successfully held. COVNA ...

30
Jul
Working Principle of Double Acting Pneumatic Actuator
Working Principle of Double Acting Pneumatic Actuator

How does double acting pneumatic actuator work ...

18
Jun
Working Principle of Single Acting Pneumatic Actuator
Working Principle of Single Acting Pneumatic Actuator

How does spring return pneumatic actuator work ...

17
Jun
New underwater solenoid valves for interactive play fountains
New Underwater Solenoid Valves For Interactive Play Fountains

More and more frequently, architectural fountains and interactive play fountains are designed in such a ...

10
Jun
Most Common Electric Actuator Problems
Most Common Electric Actuator Problems

AC powered motors have “Duty Cycle” limitations. ...

05
Jun
Troubleshooting of Rack Pinion Pneumatic Valve Actuators
Troubleshooting of Rack & Pinion Pneumatic Valve Actuators

Actuator does not react to electrical control signal ...

03
Jun
Cv Curve
What is the Kv, Cv and Qn Value?

Kv value is the metric measure for the flow of a valve ...

25
May
Valve Trim
What is Valve Trim

The operating parts of a valve which are normally exposed to the process fluid are ...

24
May
Water Pressure Regulator for RV
Things You Should Know about Adjusting a PRV on Your RV’s

The waterway system is one of the more complex parts of the RV system, including ...

11
Mar
Production Process
How We Design & Manufacture Valves

COVNA utilizes the latest edition of SOLIDWORKS CAD and PRO/E system for valve design purposes. ...

09
Mar
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