Solenoid Valves

BM Engineering Supplies offers a variety of solenoid valves from industry-leading manufacturer, Bürkert. Used in fluid power systems, solenoid control valves are electromechanically operated to convert electric energy into mechanical energy. While there are many different types of solenoid valves, they are typically used to regulate the movement of either gas or liquids automatically, removing the need for engineers to operate them manually. 

Solenoid valves from BM Engineering Supplies are applicable for a wide variety of functions, such as general on/off control and process control systems to name a few. As with our other valve types, all of the solenoid-operated valves we stock are designed to provide industrial applications based in Scotland with a high-performance flow control solution. Here at BM Engineering Supplies, we primarily stock two types of solenoid valves: pneumatic and general-purpose solenoid valves.

Solenoid valve types available at BM Engineering Supplies

The most common types of solenoid valves that we stock here at BM Engineering Supplies are 3/2 way pneumatic solenoid valves. Featuring three ports and two states, 3/2 solenoid valves are used for controlling other pneumatic equipment, such as single-acting cylinders.

This solenoid valve type can be either normally closed or open, depending on your application. Bi-stable, as well as mono-stable solenoid valves, are also available. We can provide your business with pneumatically operated 3/2, 5/2 and 5/3 solenoid valves or general-purpose solenoid valves. 

Pneumatic solenoid valves

Pneumatic solenoid valves are one of the most commonly utilised components within pneumatic systems. Also referred to as compressed air pilot valves, pneumatic solenoid valves are used to control the air supply to other equipment, such as cylinders, grippers or valve actuators.  

Pneumatic solenoid valves generally incorporate a spool design consisting of an aluminium body with a cylinder-shaped hole and different valve ports for connecting cylinders. While pneumatic solenoid valves are bi-directional, they do admit a small amount of acceptable leakage which should be a consideration for manufacturers when making a selection. 

Pneumatic solenoid valves are primarily equipped for dealing with compressed air applications. Often supplied as a direct-acting solenoid valve, they have the capability of generating huge forces. Widely considered to be an economical valve option, because pneumatic solenoid valves are internally piloted, they do vent a minimum amount of air that is required to actuate the valve. As such, they are not as well suited to dealing with other media types, such as water or oil.

General-purpose solenoid valves

General-purpose solenoid valves can include direct-acting and servo-assisted valves. They have a universal appeal for neutral media applications. Unlike pneumatic solenoid valves, general-purpose models can be used to treat a variety of media types, such as inert gases, water and oils, as well as compressed air. 

As such, general-purpose solenoid valves can be found across many different industries because they are not designed for any one specific application type. This makes them the most commonly used solenoid valve type within the process industry.

Bürkert solenoid valves

All of our solenoid valve products come from renowned manufacturers, Bürkert. As solenoid specialists, Bürkert solenoid-operated valves boast high-performance specifications and can be customised to suit a wide array of industry requirements.

For pneumatic solenoid valves, Bürkert’s range of 3/2 way solenoid valves is well suited to almost every conceivable application. The two primary Bürkert pneumatic solenoid valve models that BM Engineering Supplies offers are the Type 5470 and the servo-assisted Type 6519.

Bürkert’s Type 5470 3/2 way pneumatic solenoid valve includes unique features, such as:

 

  • Robust construction

 

  • Reduced power consumption

 

  • Extendable valve block

 

  • Different pneumatic connections upon request

While Bürkert’s Type 6519 has the following distinguishable characteristics:

 

  • High-flow rate capacity

 

  • Reduced power consumption

 

  • Either single or manifold mounting options

 

  • Can be supplied as standard Ex mb and EX ia versions upon request

Although this solenoid valve type typically comes with a threaded ¼ G port, it can also be supplied with a NAMUR flange. As such, this valve also falls under our NAMUR solenoid valves collection.  For general-purpose solenoid valves, Bürkert’s range of 2/2 way solenoid valves is ideal for dealing with liquids and gasses as either direct-acting or servo-assisted valves (upon request). The main general-purpose solenoid model that we stock at  BM Engineering Supplies is the Type 6281 valve.

Bürkert’s Type 6281 2/2 way general purpose solenoid valve features:

 

  • Damped design for quiet closing

 

  • Vibration-proof, central screwed coil system

 

  • Servo-assisted diaphragm with a diameter of up to DN50

 

  • Service-friendly manually overrides

 

  • Can be supplied as an explosion-proof version upon request
Bürkert solenoid valves

Buy solenoid valves near me

To discuss your solenoid valve requirements, contact BM Engineering Supplies today on 0141 762 0657, email sales@bmengineering.co.uk, or complete our online contact form and a member of our sales team will get back to you as soon as possible.

Solenoid Valve FAQ's

Like any valve selection, it is always best to start with the full process conditions, i.e. media, pressure, temperature, flow rate. For a solenoid valve you would also want to know what function is required from it, e.g. 2/2 way or 3/2 way. 

Installation should always be carried out as per the installation manual for each product.

The coil of a solenoid can be tested with the correct size DIN plug and voltage to suit the coil.

Valves can fail for a number of reasons, especially if they are used under conditions they are not suitable for. E.g. media with particles is not suitable for a lot of solenoid valves, especially pilot-operated ones, as they have small orifices which can get blocked.

A direct-acting solenoid valve uses the pull of the coil to lift the valve from its seat directly. A pilot-operated or servo-assisted solenoid valve uses the pressure in the line to help overcome.

A 3/2 solenoid valve has 3 ports, 2 positions. A 5/2 way solenoid valve has 5 ports, 2 positions.

 A 3/2 way solenoid valve can be used to divert flow from one port to either of two other ports. This is useful for many flow applications where diverting is required. If the solenoid valve is for pneumatics this is used for a single acting actuator or cylinder. A 5/2 pneumatic solenoid is used for a double acting actuator or cylinder.