GB/T 4549.8-2004Railway vehicle vocabulary - Part 8: Water supply and draining equipment (English PDF)

2.1 Water supply equipment

Equipment supplying drinking water and service water for passengers, train crew, livestock, etc. during travel and transport.

2.2 Roof water supply equipment

Water supply equipment with the water tank mounted in the upper part of the car body.

2.3 Underframe water supply equipment

Water supply equipment with the water tank mounted below the underframe of the car body.

2.4 Roof water tank

The water tank used in roof water supply equipment.

2.5 Underframe water tank

The water tank used in underframe water supply equipment.

2.6 Hot water tank

Equipment using electricity or coal as the energy source to provide non-drinking water.

3.1 Blow-off device; draining equipment

Equipment provided for discharging waste water (or surplus water).

3.2 Drip pan

A pan for collecting the condensate from a water tank.

3.3 Check valve

A valve preventing reverse flow of the medium.

3.4 Water level gauge

A component indicating the quantity of water stored in a water storage vessel.

3.5 Strainer; filter

A component for filtering impurities out of water.

3.6 Dejecta collecting device

An automated device for storing discharged excrement. It generally comprises the collecting unit, the control unit, etc.

3.7 Water seal device

A device using water to isolate the air inside the car body from the air outside.

3.8 Flush leading duct

A device that uses air pressure to discharge excrement smoothly to the outside of the car.

4.1 Water boiler room

A room in a passenger car provided with water boiler equipment.

4.2 Electrical boiler

Equipment using electricity as the energy source to provide boiled drinking water.

4.3 Water boiler

Equipment using coal or oil as the energy source to provide boiled drinking water.

5.1 Bottom operating water valve

A water discharge valve with its handle fitted to the lower part of the valve body.

5.2 Press water valve

A valve that discharges water when the button fitted to the upper part of the valve body is pressed.

5.3 Flush valve

A valve discharging water for flushing a toilet bowl.

A.1 Underframe water supply equipment

The reference figure for underframe water supply equipment is shown in Figure A.1, and the equivalent terms for underframe water supply equipment are given in Table A.1.

Figure A.1 - Underframe water supply equipment (general arrangement with detail A of the water tank connections; item numbers 1 to 15 refer to Table A.1).

Table A.1 - Equivalent terms (No., English term): 1 water supply air reservoir; 2 hot water tank; 3 extension rod; 4 underframe water tank; 5 water supply reducing valve; 6 water filling nozzle; 7 water tank test valve; 8 five-way cock handle linking rod; 9 five-way cock handle; 10 water trap; 11 strainer; 12 five-way cock; 13 cut-out cock; 14 bend stop valve; 15 water supply governor valve.

A.2 Roof water supply equipment

The reference figure for roof water supply equipment is shown in Figure A.2, and the equivalent terms for roof water supply equipment are given in Table A.2.

Figure A.2 - Roof water supply equipment (piping diagram with items numbered 1 to 9).