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Control valves by KLINGER Fluid Control

Control valves by KLINGER Fluid Control
10 Dec 2021  |
Control valves are the gate keepers of industrial design, each in charge of sensing and adjusting flow in one section of a piping system. These sections, called control loops, serve as the building blocks of fluid control.

Control valves manipulate fluids inside pipe, such as water or gas. Depending on the purpose of the system, fluid traits may fluctuate in a variety of ways: temperature, pressure, and level are all common variables.

Parts of a control valve

The three main parts of a control valve are the valve itself, the actuator, and the positioner. The control valve “type” refers to the body style, whose shape and features depend on the application.

Control valves by KLINGER Fluid Control

There are two main types of valve bodies, categorized by the motion of the closing mechanism: sliding stem and rotary valves. Sliding stem valves operate in one plane, lowering and lifting an obstacle into and out of the path of the fluid flow. Rotary valves rotate, turning the obstacle into and out of the path of the fluid flow. Valve trim varies by valve type, shape, and purpose.

The actuator is the part of the valve that changes the behavior of the valve by opening or closing it, depending on the valve’s purpose. Actuators can be operated manually, or can be automatically powered. The positioner (also called a position controller, or servomechanism) receives commands from the control system and moves the actuator in response.

Maintaining equilibrium

At their most basic, control valves maintain equilibrium. During operation, control loops create or receive a variety of disturbances that affect the fluid within. These disturbances may, for example, cause the fluid to heat beyond a desired temperature, or to flow faster than the system is intended to operate. When the system sensors detect that one or more of these factors have strayed beyond allowable limits, the control valve is enabled to correct the behavior. A multitude of different valve behaviors may be used to protect the system, sometimes even with opposing actions. A fail-closed valve, for example, closes when actuation fails, while a fail-open valve opens when actuation fails. The desirable state for the valve depends on the fluid behavior and on the effects the fluid has downstream of the valve.

What we offer

KLINGER Fluid Control’s Ballostar® KHA V-port ball valve is an all-in-one problem solver to suit harsh conditions like abrasive media, high turning cycles and a high temperature range. In comparison to traditional control valves, it is a rotary valve with a V-port ball. The advantages are manifold: low leakage rate in challenging conditions, the product itself is weight-optimized, easy to actuate and offers simple maintenance without removal from the line thanks to its 3-piece design. The Ballostar® KHA V-port is available in DIN and ASME standard, different steel qualities and connections. To top it off, it comes with the new KLINGER advanced corrosion protection (KACP), and the compliance with fugitive emission

Control valves by KLINGER Fluid Control

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KLINGER is an established top leader for sealing, fluid control and fluid monitoring systems. The family business, founded in 1886, today presents itself as a globally active Group of Companies. KLINGER is the world’s leading...

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