Samson 3767 - Design and Principle of Operation

1-2 EB 8355-2 EN
Safety instructions and measures
Î Observetherequirementsforpersonalprotectiveequipmentspeciedinthevalvedocu-
mentation.
Î Check with the plant operator for details on further protective equipment.
Revisions and other modications
Revisions,conversionsorothermodicationsoftheproductarenotauthorizedbySAMSON.
Theyareperformedattheuser'sownriskandmayleadtosafetyhazards,forexample.Fur-
thermore, the product may no longer meet the requirements for its intended use.
Warning against residual hazards
Thepositionerhasdirectinuenceonthecontrolvalve.Toavoidpersonalinjuryorproperty
damage,plantoperatorsandoperatingpersonnelmustpreventhazardsthatcouldbe
caused in the control valve by the process medium, the operating pressure, the signal pres-
sure or by moving parts by taking appropriate precautions. Plant operators and operating
personnelmustobserveallhazardstatements,warningandcautionnotesinthesemounting
and operating instructions, especially for installation, start-up and service work.
If inadmissible motions or forces are produced in the pneumatic actuator as a result of the
supply pressure, it must be restricted using a suitable supply pressure reducing station.
Responsibilities of the operator
Operators are responsible for proper use and compliance with the safety regulations. Opera-
tors are obliged to provide these mounting and operating instructions to the operating per-
sonnel and to instruct them in proper operation. Furthermore, operators must ensure that op-
erating personnel or third parties are not exposed to any danger.
Responsibilities of operating personnel
Operating personnel must read and understand these mounting and operating instructions as
wellasthespeciedhazardstatements,warningandcautionnotes.Furthermore,theoperat-
ing personnel must be familiar with the applicable health, safety and accident prevention
regulations and comply with them.
Referenced standards, directives and regulations
DeviceswithaCEmarkingfulllthefollowingrequirementsoftheDirectives:
− Type3767-0:2014/30/EU,2011/65/EU
− Type3767-1/-8:2014/30/EU,2014/34/EU,2011/65/EU
DeviceswithanEACmarkingfullltherequirementsoftheRegulationTRCU020/2011.
Seethe'Certicates'sectionforthedeclarationsofconformityandEACcerticates.