By Institution of Railway Signal Engineers (IRSE)
Read or Download IRSE Green Book No.26 Remote Control of Railway Signal Interlocking Equipment 1967 PDF
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Extra info for IRSE Green Book No.26 Remote Control of Railway Signal Interlocking Equipment 1967
Sample text
E. Crane consultant) System requirements In order to determine the system requirements, the information is needed. • system design • critical equipment vendor data • site conditions following System design The system schematic can be defined in the end users specifications and data sheets or can be the vendor's design. Regardless of the source, this fact should be finalized prior to a purchase order. 1 which is the result of the end user's specification modified by the mutually agreed vendor exceptions.
_ , DESCRIPTION _ PRESSURE SWITCHES: MFR. _ DESCRIPTION . OIPP. PRESSURE SWITCHES: MFR. DESCRIPTION . TEMPERATURE SWITCHES: MFR. DESCRIPTION . LEVEL SWITCHES: MFR. DESCRIPTION _ CONTROL VALVES: MFR. DESCRIPTION _ PRESSURE RELIEP VALVES: MFR. _ DESCRIPTION _ THERMAL RELIEF VALVES: MFR. DESCRIPTION _ SIGHT PLOW INDICATORS: MFR. DESCRIPTION. PRESSURE TRANSMITTERS: MFR. _ _ DESCRIPTION _ VIBRATION EQUIPMENT MFR. DESCRIPTION. TACHOMETER: MFR. DESCRIPTION _ SOLENOID VALVES: MFR. _ _ DESCRIPTION . ANNUNCIATOR: MFR.
9 Continued - Calculated system resistance for the rated flow Therefore, the minimum pump discharge pressure required will be 160 PSI. The maximum pump discharge pressure will be determined by a similar calculation at maximum component pressure drop conditions (dirty system) and the minimum allowable oil temperature (maximum oil viscosity) of the system. For the present example, this value is 200 PSI. This exercise concludes the determination of the system requirements for this example. 10. 10 Lube/control oil system requirement summary Having obtained the system requirements, we will now direct our attention to the sizing and selection of system components.
IRSE Green Book No.26 Remote Control of Railway Signal Interlocking Equipment 1967 by Institution of Railway Signal Engineers (IRSE)
by George
4.2