Mark 70 Series

Mark 70 Series

Sliding Gate Jorlon Diaphragm Control Valve

Mark 701/702 Series

Mark 701/702 Series

Sliding Gate Control Valve for High Flow, Higher Cv's (Kv's)

Mark 78 Series

Mark 78 Series

Globe Style, Accurate Performance

Mark 75 Series

Mark 75 Series

Wafer Style, Motor Operated, Very Precise

Mark 75HW Series

Mark 75HW Series

Wafer Style, Hand Operated, Precise Adjustment

Mark 75MV Series

Wafer Style, Motor Operated

Mark75PTP Series

Mark 75PTP Series

Piston Operated with Smart Positioner

Mark 79/79MX Series

Mark 79/79MX Series

Three-Way, Bypass or Mixing

Mark 33 Series

Boiler Feedwater Control Valve

Mark 37 Series

Mark 37 Series

Motor Operated

Mark 39 Series

Mark 39 Series

Motor Operated Three Way

Mark 74 Series

Mark 74 Series

Bellows Seal

Mark 4046 Series Float/Lever Operated Valve

Mark 40/46 Series

Float/Lever Operated Valve

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Types Of Industrial Control Valves We Carry

Some examples of the different types of control valves we carry include:

  • Sliding gate valves
  • Angle Valves
  • Globe Valves
  • Wafer Style Sliding Gate Valves
  • Electric Valves
  • Motor Operated Valves
  • Bellow Seals Valves

For assistance choosing the right control valve for your application, please use our sizing software program or contact your local representative.

How do industrial control valves work?

Industrial control valves are essentially powered by a control loop. They have a controller that signals them how to respond. A control valve can’t work by itself, it must receive a signal from an outside source, like an actuator or controller. A control valve is power-operated and it is used to control fluid flow by varying the size of the flow passage as directed by the signal in the controller. Control valves control flow, pressure, and temperature of the media. There are different variables that are measured for control, these include:

  • Flow
  • Liquid Level
  • Temperature
  • Pressure

Control valves come in really large sizes whereas pressure regulators are much smaller. Control valves can also have severe service trim material so they can operate in harsh environments. Because control valves have a controller, maintenance can look at the diagnostics and see if the valve is working optimally.

Benefits Of Using Industrial Control Valves

Industrial control valves have become a popular choice for a number of reasons including:

  • They are easy to install which saves considerable time and effort.
  • They can be operated automatically which removes the need for an operator to open and close the valve.
  • They can help limit obstruction and eliminate the possibility of clogging.
  • The Sliding Gate control valves can reduce waste which makes them a more environmentally friendly option.

Applications For Industrial Control Valves

Here are some most common applications of our industrial control valves in different industries:

Contact us for more information on the different applications of our industrial control valves.

Frequently Asked Questions

1. Which type of control valve is most commonly used in each industry?

One of the most common control valves used in each industry is globe valves. For globe valves, there are three different plugs that affect the flow or opening characteristics:

  • Fast opening
  • Linear
  • Equal percentage

The equal percentage globe valve is our most popular. It essentially has a plug that incrementally increases the flow rate by a certain percentage from the previous flow.

However, the type of control valve you need depends on the size of the pipe, the overall pressure of the system, the flowing media, process conditions, and other factors. Get in touch with us today for help selecting the right control valve.

Other common valves that we don’t carry include gate valves, pinch valves, or industrial diaphragm valves. Ball valves can also be considered control valves which you can find in our Marwin Valve line.

2. How does a control valve affect the control loop?

The control valve controls the fluid flow as it goes through the loop. The signal in the controller tells the control valve how much or little of the fluid should go through the system.

3. I need a reference guide showing the quick specs of sliding gate control valves?

View our sliding gate control valve reference guide.