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Corrosion-protection element for field device

A technology of corrosion protection and field equipment, applied in the direction of pressure difference measurement, measuring devices, instruments, etc. between multiple valves, can solve the problems of high production cost, expensive, difficult processing, etc., and achieve cost-effective results

Inactive Publication Date: 2020-03-06
EHNDRESS KHAUZER GMBKH KO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these materials are more expensive and mechanically significantly more difficult to machine than the austenitic stainless steel types
The latter feature especially leads to relatively high production costs in the case of components produced by machining

Method used

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  • Corrosion-protection element for field device
  • Corrosion-protection element for field device
  • Corrosion-protection element for field device

Examples

Experimental program
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Effect test

Embodiment Construction

[0050] The invention includes a corrosion protection element for a field device having at least one part made of stainless steel for contact with the environment of the field device. The corrosion protection element of the present invention is characterized by the feature that the corrosion protection element is embodied as a sacrificial anode comprising iron or rustable steel and has a form which is embodied so that the corrosion protection element can be Placed on a component of a field device such that the sacrificial anode is in conductive contact with the component.

[0051] With regard to the electrically conductive contact, it is sufficient to bring the sacrificial anode into contact with the component on which the corrosion protection element is placed, at least at one point.

[0052] With regard to the electrochemical potential series, iron and rustable steel are the base materials compared to stainless steel. Thus, when used in a corrosive environment, the corrosion...

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Abstract

The invention describes a corrosion-protection element (1, 3) with which reliable corrosion protection of field devices can be implemented in a simple and cost-effective manner, the said field devicescomprising at least one stainless-steel component which is in contact with an area surrounding the field device. Corrosion-protection elements (1, 3) according to the invention are distinguished in that they are designed as sacrificial anodes comprising iron or stainless steel and have a shaping which is designed in such a way that said elements can be attached to the component of the field device in such a way that the sacrificial anode is in electrically conductive contact with the component.

Description

technical field [0001] The invention relates to a corrosion protection element for a field device having at least one part made of stainless steel, in particular austenitic stainless steel, which is in contact with the environment of the field device, and to a corrosion protection element equipped with at least one Such corrosion protection elements field devices. Background technique [0002] Field devices are used in industrial measurement technology, especially in process and automation technology, for the metrological recording of process-related measured variables. These field devices include, inter alia, sensors, transmitters, measuring transducers, and the most diverse types of measuring devices, such as for metrological recording, measuring and / or monitoring of measured variables. [0003] Field devices include in particular a differential pressure measuring transducer, such as that described in DE 103 47 861 A1. Such a measuring transducer comprises a measuring el...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L19/00C23F13/02C23F13/14C23F13/16G01L19/14
CPCG01L19/144C23F13/10C23F13/14G01L13/026G01L19/0627G01L19/0654
Inventor 谢尔盖·洛帕京托马斯·尤林米夏埃尔·休格尔
Owner EHNDRESS KHAUZER GMBKH KO KG