GB/T 31436-2015 in English

《GB/T 31436-2015节水型卫生洁具》由TC249（全国建筑卫生陶瓷标准化技术委员会）归口，主管部门为中国建筑材料联合会。
本标准规定了节水型坐便器、蹲便器、小便器、陶瓷片密封水嘴、机械式压力冲洗阀、非接触式给水器具、延时自闭水嘴、淋浴用花洒的术语和定义、材料、技术要求、试验方法、检验规则、标志和标识、包装和贮存。
本标准适用于安装在静压力不大于0.6MPa的供水管路上的节水型卫生洁具。

Sanitary fixture for water saving

1 Scope

This standard specifies the terms and definitions, materials, technical requirements, test methods, inspection rules, marking and identification, and packaging and storage of water-saving pedestal pans, squatting pans, urinals, ceramic cartridge faucets, mechanical pressure flushing valves, non-contact water supply devices, delay self-closing faucets and shower outlets for bathing.

This standard is applicable to sanitary fixture for water saving installed on water supply pipelines with static pressure not greater than 0.6MPa.

2 Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 1176 Casting copper and copper alloys
GB 6952 Sanitary wares
GB 14536.1 Automatic electrical controls for household and similar use - Part 1: General requirements
GB/T 17219 Standard for safety evaluation of equipment and protective materials in drinking water system
GB 18145 Ceramic cartridge faucets
GB/T 23447 Shower outlets for bathing
GB/T 26750-2011 Sanitary ware - Pressure assistant water flushing devices
GJ/T 194 Non-contact water supply device
HG/T 3097 Rubber seals - Joint rings for pipelines for hot-water supply up to 110℃ - Specification for the materials
QB 1334 General technical specifications for faucets
QB/T 1745 Fountain pen inks

3 Terms and definitions

For the purposes of this document, the following terms and definitions apply.

3.1
water-saving pedestal pan
pedestal pan with an average water consumption of not greater than 5.0L upon the test according to the method specified in this standard

3.2
high-efficiency water-saving pedestal pan
pedestal pan with an average water consumption of not greater than 4.0L upon the test according to the method specified in this standard

3.3
water-saving squatting pan
squatting pan with an average water consumption of not greater than 6.0L upon the test according to the method specified in this standard

3.4
high-efficiency water-saving squatting pan
squatting pan with an average water consumption of not greater than 5.0L upon the test according to the method specified in this standard

3.5
water-saving urinal
urinal with an average water consumption of not greater than 3.0L upon the test according to the method specified in this standard

3.6
high-efficiency water-saving urinal
urinal with an average water consumption of not greater than 1.9L upon the test according to the method specified in this standard

3.7
flush cycle
the whole process from the start of the flushing device to the completion of one flush and preparation of a second flush

3.8
water consumption
amount of water used by toilet fittings to complete a flush cycle

Foreword I
1 Scope
2 Normative references
3 Terms and definitions
4 Materials
5 Technical requirements
5.1 Pedestal pan
5.2 Squatting pan
5.3 Urinal
5.4 Ceramic cartridge faucets
5.5 Mechanical pressure flushing valve
5.6 Non-contact water supply device
5.7 Water-saving delay self-closing faucet
5.8 Water-saving shower outlets for bathing
6 Test methods
6.1 Tests of toilet fittings
6.2 Test of ceramic cartridge faucet
6.3 Test of mechanical pressure flushing valve
6.4 Test of non-contact water supply device
6.5 Delay self-closing faucet test
6.6 Test of shower outlets for bathing
7 Inspection rules
8 Marking and identification
9 Packaging and storage
Annex A (Normative) Method for the artificial specimen and paper ball test of high-efficiency water-saving pedestal pans