Product Overview Solenoid Control Valves
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Product Overview Solenoid Control Valves - 1

Product Overview Solenoid Control Valves

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Product Overview Solenoid Control Valves - 2

Bürkert | Solenoid Control Valves Technology of Solenoid Control Valves Bürkert has been hard at work on metering and controlling fluids for more than 60 years. Anyone focussing so much on fluid substances for so long will always also learn about their own attributes. Bürkert engineers are extremely practical in interpreting their experiences with fluids, and in the development of increasingly more efficient products, they work in accordance with the “what flows, flows in” principle. So the results of internal research, market requirements, feedback and specific customer orders, for...

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Product Overview Solenoid Control Valves - 3

Fascination Bürkert Welcome to the Fascinating World of Fluid Control Systems Bürkert Product Program Measurement and control: When it comes to working with liquids and gases, we are at your side – as a manufacturer of We are one of the few suppliers on the market to cover the complete control loop. Our current product range sophisticated products, as a problem-solver with an eye for the big picture, and as a partner offering you reliable advice. extends from solenoid valves through process and analytical valves to pneumatic actuators and sensors. Since we started in 1946, we have developed...

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Product Overview Solenoid Control Valves - 4

Bürkert | Solenoid Control Valves Product Overview ¹) ee pages 10-13 for the respective S flow rate performance ²) or liquids only F Solenoid control valves from our STANDARD range (Types 2871, 2873, 2875) differ mainly from the Type 2871 is a further development of Types 2822, 2824, Type 2873 is a further development of Type 2833, Type 2875 is a further development of Type 2835 BASIC valves in their span (1:200 instead of 1:25). Valves of our BASIC range (Types 2861, 2863, 2865) are not shown in this brochure. Operating principle Plunger directly on valve seat (NC) Plunger directly on...

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Product Overview Solenoid Control Valves - 5

Bürkert | Solenoid Control Valves Product Overview Control Electronics for Solenoid Control Valves Precise and Repeatable Results with Solenoid Control Valves Feature Simple, compact and direct-acting, without position feedback Extremely good repeatability resulting in reliable setting of processes again and again, Very good sensitivity, high span Epoxy resin moulded coil, tight encapsulation of the valve system 8605 Cost-effective design, Very fast reaction Guiding of plunger with flat spring High protection class (IP 65), safety Lower hysteresis, Static friction prevented, Very good...

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Product Overview Solenoid Control Valves - 6

Bürkert | Solenoid Control Valves Valve Selection ¹) For an explanation of kVs /cV value and sizing please see page 22 kVs [m³/h]/ cV [US Gal/min] 1) Max. operating pressure [bar/psi] Max. operating pressure [bar/psi]

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Product Overview Solenoid Control Valves - 7

Bürkert | Solenoid Control Valves Valve Selection ¹) For an explanation of kVs /cV value and sizing please see page 22 ²) ax. differential pressure allowed: 3 bar M kVs [m³/h]/ cV [US Gal/min] 1) Max. operating pressure [bar/psi] Note: - All valves for medium temperatures of -10 to +90 °C - Typical power supply 24V DC - All valves offer protection class IP 65 Generally valid: The bigger the valve orifice, the lower the maximum possible operating pressure at which the valve closes tight

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Product Overview Solenoid Control Valves - 8

Aufbau | Solenoid Control Solenoid controlBürkert und Funktion eines Valves Magnetventils Setup and Functioning of Solenoid Control Valves Control valve, control armature, metering valve: the terms might be different – but it is the same product that they actually mean. In process-related practical use these components are usually called control valves, and the name refers to their function. They control and regulate the rate of flowing media (fluids). Control valves are operated in different ways: pneumatically, electromotorized, piezo-electrically and electro-magnetically. The various...

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Product Overview Solenoid Control Valves - 9

Bürkert | Solenoid Control Valves Setup and Functioning of Solenoid Control Valves Solenoid shut-off valves are the basis for Bürkert solenoid control valves. Without electrical power With an even geometry of the plunger and the plunger counterpart/stopper (flat stopper geometry) the the spring forces the plunger directly on the valve seat. With that the valve is closed. Electrical current magnetic force drops too much with rising air gap making it impossible to use the valve as a control through the solenoid (coil) causes a magnetism which lifts the plunger against the spring force. valve....

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Product Overview Solenoid Control Valves - 10

Bürkert | Solenoid Control Valves Setup and Functioning of Solenoid Control Valves Controlling Solenoid Control Valves Typical Functions of the Control Electronics In principle it is possible to control the proportional magnet with variable DC voltage, but static friction Current control for coil heating compensation can appear here on the plunger’s guide points. This impairs the sensitivity of the valve, and results Coil heating changes the temporary effective electrical resistance. It is therefore beneficial to control in greater hysteresis effects. To prevent static friction, the normal...

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Product Overview Solenoid Control Valves - 11

Solenoid control Parameters Bürkert | Proportionalventile Characteristic Data of Solenoid Control Valves kVs value/QNn value Fluidic valve comparisons can be made via the kVs value (m³/h unit). This value is measured at water’s flow rate at 20 °C and 1 bar relative pressure at the valve inlet, compared with 0 bar at the valve outlet. A second flow rate value is often given for gases. This is the QNn value. The QNn value provides the nominal flow rate value in lN/min air (20 °C) at 6 barg at the valve inlet and 1 bar pressure loss via the valve. Standard conditions for the gas are 1013.25...

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Product Overview Solenoid Control Valves - 12

Bürkert | Solenoid Control Valves Use as Control Valve: Sizing of Valve Orifice Brief Instructions – How do I Find the Right Solenoid Control Valve? For correct and accurate control functioning, solenoid control valves must be configured and 1. What medium (fluid) do you want to control? selected according to their special purpose. The most important parameters for selecting a solenoid With regard to its chemical-physical reaction behaviour, it must be checked whether the valve parts control valve are, on one hand, the kV value (given in cubic meters per hour) and, on the other hand, in...

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