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5 Steps To Produce A Valve
After years of development, the number of China’s valve enterprises ranked first in the world, the valve production level has also been greatly improved, valve output has increased significantly. At present, domestic valve manufacturers have been able to ISO international standards, Din Ger...Read more -
2 Steps To Understand Solenoid Valve Working Principle
The solenoid valve has an airtight cavity with through holes in different positions. Each hole is connected to a different oil pipe. In the middle of the cavity is a piston. On both sides are two electromagnets. The coil of the magnet on which the valve body is connected will be drawn to which si...Read more -
10 Points About Principle And Attention Of Valve Pressure Test
Valve production is a more complex process, before the valve factory, through a series of pressure test, to ensure that each valve factory are in line with the standard. But do you know how the customer tests the valve after it arrives at the customer’s site, before the valve is installed a...Read more -
8 Points Of Knowledge About Valves
At present, valves are widely used in various industries and play an important role in achieving the goal of industrial automation. Each valve has its own characteristics and technical parameters. Below we will share 8 points knowledge about valves to you. 1. What is the flow coefficient C, CV, K...Read more -
Modular Intelligent Electric Actuator Valve Controller
DSM modular intelligent electric actuator valve controller, using advanced microprocessor technology, high integrated IC chip and long life power output device, receive from the upper instrument DC4~20mA regulating signal and lower electric actuator DC4~20mA valve position feedback signal (or pot...Read more -
Selection Of Valves For HVAC Ventilation Ducts
Selection And Design Of Valves For HVAC Pipelines: 1. Chilled water unit, cooling water inlet and outlet design butterfly valve. 2. Before the water pump butterfly valve, filter, water pump back check valve, butterfly valve. 3. Differential pressure bypass valve between water collector and wat...Read more -
Application Of Intelligent Valve In Petrochemical Field
As the main part of the control valve, the diagnosis technology of the intelligent valve positioner is constantly developing and improving. The diagnosis technology of the intelligent valve positioner plays a more and more important role in the petrochemical production process. 1. The Advantages ...Read more -
8 Points About Installing The Pneumatic Actuator Valve
1. Pneumatic Actuator Valve Should Be Noted In The Process Of Transportation 1.1 Pneumatic actuator valve should be installed on both sides of the light plug plate fixed seal. 1.2 Pneumatic actuator valves of medium and small caliber should be tied with Straw rope and transported in containers. 1...Read more -
Features Of 3 Way Motorized Actuator Ball Valve
The 3 Way Motorized Ball Valve adopts on off type angle stroke electric actuator or regulating type angle stroke electric actuator, which is powered by AC220V, AC380V or DC24V power supply voltage, and accepts current or voltage signals (4-20mA, or 1-5VDC) from industrial automatic instrument con...Read more -
Selection Basic Of Valve
1. Selection Principles Of valves For Use In Water Supply Pipelines 1) When the diameter of the pipe is not more than 50mm, ball valve should be used, while when the diameter of the pipe is more than 50mm, gate valve and butterfly valve should be used 2) When flow and water pressure need to be re...Read more -
4 Protective Measures For Valve
When installing valves, various precautions are taken for the engineering system and the type of valve to ensure safety. The following protective measures are recommended for check valve, safety valve, pressure regulator valve, and steam trap installation to ensure proper valve operation. 1. Chec...Read more -
What Is Globe Valve?
As a globe valve manufacturer in China, COVNA manufactures globe valves in manually operated, electrically operated and pneumatically operated types to meet your project requirements. Consult us to get a free globe valve solution with the best price! sales@covnavalve.com The globe valve is a valv...Read more
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