CARRIAGE AND RAILCAR HEATING. TRIALS ON HEATING CUT-OFF COCKS WITH LEAKAGE HOLES TO AVOID FREEZING OF THE MAIN STEAM PIPE

In UIC-leaflet No. 551, article 11, it was laid down that in the case of newly built rolling stock, the steam cut-off cocks of the main steam pipe, as from 1st January 1962, must possess, in addition to "open" or "closed" positions, an appropriately marked position which can be used for releasing steam at the rear of the train through an opening with a minimum cross section of 1.5 mm to the 2nd power. In a relevant footnote it has been stated that the cross section of the leakage hole may still be changed when more accurate tests have been made. Within the scope of the tasks entrusted to it by the ORE Control Committee, the B 30 Specialists Committee has studied, by means of tests in the Vienna Arsenal Testing Station, the behaviour of the steam discharged from leakage holes at several steam pressures down to minus 20 degrees centigrade and assembled the results in this report. Simultaneously, the behaviour of the discharged steam from a steam leakage hole in the end-cap of a new suspension device and the results were compared with those of the steam cut-off cook.

Supplemental Notes:
- Restrictions on the use of this document are contained in the explanatory material.
Corporate Authors:
International Union of Railways

Office of Research and Experiments
Utrecht, Netherlands
Publication Date: 1964-10

Media Info

Features: Appendices; Figures;
Pagination: 10 p.

Subject/Index Terms

TRT Terms: Air conditioning systems; Cold weather; Freezing; Heating (Structures); Heating systems; Heating, cooling and ventilation equipment; Operations; Passenger cars; Steam
Uncontrolled Terms: Steam heating
Old TRIS Terms: Question b30
Subject Areas: Administration and Management; Railroads;

Filing Info

Accession Number: 00053062
Record Type: Publication
Source Agency: International Union of Railways
Report/Paper Numbers: B30/RP 18/E Intrm Rpt.
Files: TRIS
Created Date: Jul 8 1994 12:00AM