In early January 2020, the SCIP database (SCIP = Substances of Concern In Products) of ECHA, the European chemicals agency, was activated. This is implemented in Germany in the Chemicals Act. WIKA had already been able to enter data by the cut-off date and thus also …
Standards/approvals/directives
Switch with “CCC Ex” for the Chinese market
| Iris Benkstein | Know-howCCC - without proof of China Compulsory Certification, many industrial goods are denied access to the "Middle Kingdom". Since 1st October 2020, this compulsory marking has also extended to products with explosion protection. Therefore, all WIKA instruments that fall …
Play it safe with double block & bleed
| Pratik R. Vishwakarma | Know-howWhat is the safest way to separate a process and the attached pressure measurement technology? The HSG 253 standard must be applied to this question, and it answers unequivocally: by means of an instrumentation valve with double block & bleed (DBB). This …
SIL-certified: Functional safety with mechanical switches
| July Yang | Know-howMechanical pressure and temperature switches perform sensitive tasks in safety-relevant applications, e.g. the safety function and monitoring of limit values. Their functional safety must be guaranteed accordingly. This is always the case if the instruments fulfil …
China Compulsory Certification (CCC) for electrical thermometers
| Joachim Brückner | TemperatureThe “China Compulsory Certification (CCC)” is a certification system of the People's Republic of China. Since 1 October 2020 it is, for example, no longer permissible to place explosion-protected electrical thermometers (resistance thermometers and thermocouples) …