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Explained: voting structures of overspeed protection systems
Voting, regarding overspeed protection systems, can be defined by the number of safety loops that should switch to the safe state when an overspeed situation is detected. The desirable voting…
Application note: RecipSys 200
Monitoring rider band wear on a 4-cylinder reciprocating compressor Reciprocating compressors are critical assets in a wide range of industries such as (petro)chemical, power and oil and gas. Reciprocating compressors…
Flowmeters and dust monitoring at a steel plant
Istec offers a wide range of measuring instruments for monitoring and controlling flow processes in steel production. In this article, we explain the flow and dust measurement equipment we provide.…
FT3000 announced obsolete by OEM, replaced by SpeedSys
The FT3000 overspeed protection system, formerly supplied by the Jaquet Technology Group (now: TE Connectivity), has been discontinued by the manufacturer. Its obsolescence affects many end-users as the Jaquet FT3000…
What does the API Standard 670 state about overspeed detection systems?
The API Standard 670 is an industry standard and describes the minimum requirements for a machine protection system (MPS). This includes, measuring radial shaft vibration, casing vibration, axial shaft position,…
6 common causes of machine vibrations
Excessive vibrations on rotating equipment like pumps, gearboxes, turbines and compressors are a clear sign that the equipment is not functioning properly. Equipment that is showing excessive vibrations will most…
Istec oil-tight bearing temperature sensors
Do you prefer a PDF version of this whitepaper? Click here » A completely oil-tight bearing temperature sensor range to prevent oil-leakage Temperature sensors are used in many industrial applications…
Case study: An efficient maintenance strategy for reciprocating compressors
A client operates two reciprocating compressors, both of which are critical to the process. This particular plant produces a semi-finished product that is needed in another plant for the production…
Case study AVR: replacing a Bently Nevada BN3500 to an Istec SpeedSys 200 overspeed detection system
AVR is specialized in processing various types of residual waste and converting this waste into energy and raw materials for households and businesses. In their plant in the Botlek (Rotterdam)…
How to maintain the SIL-rating of a machine protection system
The SIL-rating of a SIL loop degrades over time. Therefore the safety integrated function (SIF) of the safety instrumented system (SIS) must be tested with a certain frequency, which is usually determined…