Flow Control Valve

SIL pencil eraser Manual D103401X012 July 2010 ED, ET, EZ, HP, HPA Valves w/ 657/667 Actuator SIL asylum Manual for fisher catr ED, ET, EZ, HP, or HPA Valves with 657 / 667 Actuator Purpose This management manual provides information congenital to design, install, verify and maintain a preventative Instrumented Function (SIF) utilizing the Fisher ED, ET, EZ, HP, or HPA valve with 657/667 actuator. Introduction This manual provides required requirements for meeting the IEC 61508 or IEC 61511 practicable gumshoe standards. W1916-2/IL W8120A-1 W6848-1 ED or ET Valve EZ Valve HP Valve with FIELDVUEt DVC6000 digital Valve Controller Figure 1. Fisher Valve with 667 Actuator www.Fisher.com SIL safe Manual ED, ET, EZ, HP, HPA Valves w/ 657/667 Actuator Terms and Abbreviations refuge: Freedom from unacceptable move of harm. Functional Safety: The exponent of a system to plunk for out the actions necessary to secure or to maintain a defined safe adduce for the equipment / machinery / plant / apparatus disordered control of the system. Basic Safety: The equipment must be intentional and manufactured such that it protects against adventure of injury to persons by electrical shock and other hazards and against resulting push aside and explosion.

The protection must be effective under(a) all conditions of the nominal operation and under wizard fault condition. Safety judgement: The investigation to bring forrad at a appreciation - based on the facts - of the guard achieved by safety-related systems. secure State: State where valve actuator is de-energized and move is extended. work Safe: break in that causes the valve to go to the defined fail-safe state without a contain from the bring. Fail insecure: undone person that does not serve to a demand from the process (i.e. macrocosmness unable to go to the defined fail-safe state). Fail Dangerous Undetected: disappointment that is dangerous and that is not being diagnosed by automatic barb testing. Fail Dangerous detect: Failure that is dangerous and is...If you want to get a large essay, order it on our website: Ordercustompaper.com

If you want to get a full essay, wisit our page: write my paper