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TB/T 3338-2013 (TB/T3338-2013, TBT 3338-2013, TBT3338-2013) & related versions
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TB/T 3338-2013: PDF in English (TBT 3338-2013)
TB/T 3338-2013
ICS 45.060.20
S 51
Toilet system for railway passenger car and
multiple unit
Issued by. Ministry of Railways of the People's Republic of China
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and Definitions ... 5 
4 Composition and Types ... 6 
5 Technical Requirements ... 6 
6 Test Methods ... 14 
7 Inspection Rules ... 19 
8 Marking, Packaging, Transportation and Storage ... 21 
Annex A (Informative) Computing Methods of Sewage Tank Effective Volume 23 
This Standard is drafted according to the rules provided in GB/T 1.1-2009.
This Standard shall be under the jurisdiction of Qingdao Sifang Rolling Stock Research
Drafting organizations of this Standard. Jinan Railway Vehicles Equipment Co., Ltd.,
Shandong Huateng Environmental Protection Automation Co., Ltd., CNR Changchun
Railway Vehicles Co., Ltd., CRRC SIFANG CO., LTD., Tangshan Railway Passenger Car
Co., Ltd. AND CSR Nanjing Puzhen Co., Ltd.
Main drafters of this Standard. Tang Jing, Jiang Jun, Wang Baozhen, Miao Feng, Zhou
Hongping, Zhang Shaobin, Liang Caiguo, Wang Lihang and Gao Erjian.
Toilet System for Railway Passenger Car and
Multiple Unit
1 Scope
This Standard specifies the terms and definitions, composition and types, technical
requirements, test methods, inspection rules, marking, packaging, transportation and
storage, etc. for the toilet systems for railway passenger cars and multiple units.
2 Normative references
The following documents are indispensable for application of this document. For the dated
documents so quoted, only the dated versions apply to this document. For the undated
documents so quoted, the latest versions (including all modification sheets) apply to this
GB/T 191 Packaging - Pictorial markings for handling of goods
GB 4208 Degrees of protection provided by enclosure (IP code) (GB 4208-2008, IEC
60529.2001, IDT)
GB/T 9286-1998 Paints and varnishes - Cross test for films (eqv ISO 2409.1992 )
GB/T 12817-2004 General technical specifications for railway passenger car
GB/T 21241 Toilet bowl and ceramic tile cleansers
GB/T 21563-2008 Railway applications - Rolling stock equipment Shock and vibration
tests (IEC 61373.1999, IDT)
GB/T 24338.4-2009 Railway applications-Electromagnetic compatibility - Part 3-2.
Rolling stock - Apparatus (IEC 62236-3-2.2003, MOD)
GB/T 25119-2010 Railway applications - Electronic equipment used on rail vehicles
(IEC 60571.2006, M0D)
TB/T 1759 Rules for installation of cabling for railway passenger car
TB/T 2249-1996 Test method for electrical wiring insulation resistance of railway
passenger cars
TB/T 2879.6-1998 Railway rolling stock - Coating and painting - Part 6. Painting quality
inspection and acceptance procedures
TB/T 3138-2006 Technical specification of flame retardant materials for railway
locomotive and vehicle
UIC 566 Loadings of coach bodies and their components
EN 12663 Railway applications - Structural requirements of railway vehicle bodies
EN 14420-7 Hose fittings with clamp units - Part 7. Cam locking couplings
DIN 5510-2.2009 Preventive fire protection in railway vehicles - Part 2. Fire behaviour
and fire side effects of materials and parts - Classification, requirements and test
3 Terms and Definitions
For the purposes of this Standard, the following terms and definitions shall apply.
3.1 Toilet System
Equipment that is to receive and store the toilet sewage in a running railway passenger
car or multiple unit to realize sewage collection.
3.2 Flush Components
Components that provide flushing water for toilets, usually including a water booster, a
flush valve, etc., and at least a flush valve.
3.3 Vacuum Components
Components that generate and monitor the vacuum in a vacuum toilet system.
3.4 Sewage Tank Valid Volume
The volume that a sewage tank sounds an alarm at its set maximum level.
3.5 Intermediate Tank
A transitional tank in a toilet system that is served to receive and store toile sewage
temporarily and then discharge the sewage into a sewage tank.
3.6 Emptying Device
The general term of joints that are fixed on a sewage tank to empty and wash the sewage
tank. The toilet system shall on no condition affect the safety of power supplies, water
sources, and compressed air sources. Parts and components shall conform to the train safety requirements, Where,
a) generally, current-carrying cables shall use low smoke halogen-free cables; and the
electric heating tube cables shall employ the cables resistant to high temperatures.
b) when tested on non-metal material properties and wires and cables under the
requirements of flame-retardant properties like oxygen indices, 45˚-angle burning,
and smoke density, a passenger car’s toilet systems shall have fire behaviors to
conform to the provisions in TB/T 3138-2006; when, if fire-protection rating is
required, tested under the requirements of fire behaviors like flammability rating,
smoke release levels, dripping levels, smoke toxicity, etc., based on the different
places where materials and components are installed and used, the toilet systems
of passenger cars and multiple units shall have their fire behaviors to conform to the
provisions in DIN 5510-2.2009; any specific user requirement shall be agreed upon
between both parties.
c) the requirements for sewage tanks to carry loads shall conform to UIC 566 or EN
d) the pressure-resistance requirements for the components bearing atmospheric or
hydraulic pressure shall conform to the specific technical requirements of each
component. The electric heating system shall be furnished with short-circuit protection, ground
protection, and ground protection signs; heating with electric heating tubes and electric
blankets shall be provided with over-temperature protection devices. For the toilet system whose drain valve can be directly seen from the toilet
entrance, it is appropriate to provide a warning sign in the toilet to prevent personal injury
because of putting hands in the toilet system by mistake.
5.1.9 Surface Treatment
For the under-car parts adopting plastic spraying or painting, the adhesive force of the
paint film shall fulfil the Grade 2 requirement set forth in GB/T 9286-1998.
5.2 Toilet System
5.2.1 The appearance and size of a toilet system shall meet its design requirements.
5.2.2 After a toilet flush signal is triggered, the toilet shall flush away the sewage into a
sewage tank through the blowdown pipe; when a passenger car and multiple unit is
running, the toilet system shall collect and store the sewage; when the passenger car and
area of the blowdown line.
5.2.11 A toilet system shall have emptying function so as to be able to empty all the water
and sewage in the system.
5.2.12 When collecting and storing sewage to the maximum alarm level, the toilet system
will automatically offer protection and shut down to stop service.
5.2.13 All exposed operable components shall be furnished with operation marks.
5.2.14 The leak tightness of a toilet system shall meet the following requirements.
a) No leakage of water or compressed air under normal operating conditions;
b) The airtightness of the vacuum toilet system that needs to produce vacuum in a
sewage tank shall meet the following requirements, at the highest operating
vacuum pressure when it has been installed.
— while the sewage tank, whose effective volume is 400L and above, hold the
press for 20min, the vacuum pressure rise shall not exceed 3kPa;
— while the sewage tank, whose effective volume is less than 400L, hold the
pressure for 20min, the vacuum pressure rise shall not exceed 5kPa.
5.2.15 The air consumption of a toilet system shall meet the following requirements (under
the standard atmospheric pressure).
a) The average compressed air consumption of vacuum retentive and intermittent
toilet systems in one flush cycle shall be less than (10+V) L;
b) The average compressed air consumption of a vacuum on-line toilet system in
every flush cycle shall be less than (50+W)L;
c) The average compressed air consumption of a vacuum push-pull toilet system in
every flush cycle shall be less than 60L;
d) The average compressed air consumption of a gravity toilet system in one flush
cycle shall be less than 10L.
Note. V is related to the sewage tank volume; the average compressed air consumption is 33L per 100L
sewage tank. W is related to the pipe length; the average compressed air consumption per 1m pipe is
30L when the length is greater than 1.5m.
5.2.16 When used in the areas where the ambient temperature is below 0°C, the toilet
shall have its under-car part furnished with an electric heater unit.
5.2.17 The weight of the components of a toilet system shall be satisfactory to the user.

Standard ID TB/T 3338-2013 (TB/T3338-2013)
Description (Translated English) Toilet system for railway passenger car and multiple unit
Sector / Industry Railway & Train Industry Standard (Recommended)
Classification of Chinese Standard S51
Classification of International Standard 45.060.20
Word Count Estimation 15,198
Quoted Standard GB/T 191; GB 4208; GB/T 9286-1998; GB/T 12817-2004; GB/T 21241; GB/T 21563-2008; GB/T 24338.4-2009; GB/T 25119-2010; TB/T 1759; TB/T 2249-1996; TB/T 2879.6-1998; TB/T 3138-2006; UIC 566; EN 12663; EN 14420-7; DIN 5510-2-2009
Drafting Organization Jinan rail transportation equipment limited liability company
Administrative Organization Qingdao Sifang Rolling Stock Research Institute Co., Ltd.
Regulation (derived from) Rail Technology (2013), No. 64; 2013 No. 12 industry standard filing Notice (No. 168 overall)
Summary This standard specifies the terms and definitions railway passenger and EMU Collecting Device, composition and type, technical requirements, test methods, inspection rules and signs, packaging, transportation, and storage. This standard applies to passeng