News
-
Difference between single seated & double seated control valves
Single Seated Single seated valves are one form of globe valve that are very common and quite simple in design. These valves have few internal parts. They are also smaller than double seated valves and provide good shut off capability. Maintenance is simplified due to easy access with top entry t...Read more -
Types of valve tests
Valve tests are done to verify and to ensure that the valves are suitable for factory working Conditions. There are different types of tests that are carried out in a valve. Not all the tests should be done in a valve. Types of tests and tests required for valve types are listed in the table show...Read more -
Solenoid Valve: Which is better DC or AC Solenoid valve?
What is solenoid Valve? The solenoid valve is basically a valve in the form of an electrical coil (or solenoid) and a plunger operated by a built-actuator. The valve is therefore opened and closed when the signal is removed by returning an electrical signal to its original position (generally by...Read more -
What are the major components in a pneumatic valves
In a pneumatic valve, the valves control the switching and routing of air. The valves have to control the flow of compressed air and they need to control the flow of exhaust to the atmosphere. In a pneumatic switching circuit two types of valves are used they are 2/3 valve and 2/5 valves. The air...Read more -
What are the types of pneumatic valve
Pneumatic valves are classified into certain groups according to their function they are. Directional control valves dipahgram Flow control valves Pressure control valves Directional control valves The important function of a directional control valve is to control the direction of flow in the pn...Read more -
What is a pneumatic valve and what is the function of pneumatic valve
A pneumatic valve is also known as directional control valves, the major function of a pneumatic valve is to switch airflow. These valves are capable to maintain the pressure. The range of pneumatic valves is vast and there are many categories of pneumatic valves. Pneumatic valves are categorized...Read more -
What is the need for the inspection of control valve
The control valves are a very important part of a process certain control valves do the protection of the equipment during the over-pressure. So the proper operation of the control valve is required for equipment safety. So if we need to ensure the safety of the device then the control valve must...Read more -
What are the required documents that must be checked before buying a control valve?
• Datasheet of the valve and approved drawings • Offer list and correlation on the nameplate or tag • Approved ITP/QAP • MTC’s and lab test check reports • Applicable NDT and test procedures • Type test and fire test compliance • NDT personnel qualifications • Calibration certificates for measuri...Read more
