Blog

What is a Valve Positioner?

1. DefinitionA valve positioner is a device used to precisely control the position of a valve in an industrial process control system. It is an important component t...

Donjoy mixing proof valves & pumps application at customer's factory

Donjoy mixing proof valves & pumps application at customer's factory ​​​​​​​

How to select O-ring or sanitary valve

What key steps and points should be paid attention to when installing a pneumatic control valve?

Donjoy New Positioner ILTOP

What is a Pneumatic Control Valve?

How does a screw pump work?

Sanitary centrifugal pumps Maintenance

Sanitary butterfly valve

Diaphragm valve installation and useing points

Is the globe valve directional? Why install in the direction?

How to choose right sanitary pump

7 Thing you need to know before buying a sanitary valve

What is the purpose of a screw pump?

Donjoy Angle seat valve

The angle seat valve is a normal valve which has the same function as the diameter, minimal flow resistance, no noise during opening and closing, no dead angle, It c...

Donjoy Tank bottom valve

Tank bottom valve usually refers to a specially designed valve to control and regulate the bottom entrance or exit of storage, containers or other similar devices. T...

Ball valve installation method and precautions

Ball valve is a commonly used fluid control device, widely used in industrial fields. The correct installation of ball valves is essential to ensure their normal ope...

Valve selection & specification valve selection principle

In the realm of fluid control systems, the selection and specification of valves stand as pivotal tasks, dictating the efficiency, safety, and reliability of operati...

Strong acid strong alkali and other corrosive medium valve selection

In the intricate landscape of industrial processes, the selection of valves to withstand the onslaught of strong acids, alkalis, and corrosive mediums emerges as a c...

2024 Happy new year

2024 Happy new year DONJOY wish all customers & partners everthing all goes well in 2024 year !

Donjoy new Product ——Manual 3-way non-retention ball valve with worm wheels (5

The manual 3-way non-retention ball valve with worm wheels looks neat in appearance, and it is relatively compact in structural design, saving space. Ultra-small ope...

Cotroller / control unit / C-TOP - IO-LINK, positioner / IL-TOP - IO-LINK, feedback unit / F-TOP - IO-LINK

IO-LINK is a worldwide standardised IO technology (IEC 61131-9) for communicating with sensors and actuators. IO-LINK is a point-to-point communication system with 3...

How to calculate the flow of lobe pump

Before buying a lobe pump, you need to know the flow needs and choose the pump from the manufacturer. Manufacturer provides the model of pump data like below picture

What are the characteristics of the diaphragm valve?

The most prominent feature is that the diaphragm valve separates the inner cavity of the lower valve body from the inner cavity of the upper bonnet, so that the valv...