This standard specifies the classification and model, materials, requirements, test methods, inspection rules, marking, packaging, transport and storage of floor drain.
This standard is applicable to floor drains used in civil and industrial buildings.
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 Cast copper and copper alloy
GB/T 2100 Corrosion-resistant steel castings for general applications
GB/T 2406.2 Plastics - Determination of burning behaviour by oxygen index - Part 2: Ambient-temperature test
GB/T 3420 Gray iron castings for pipe fittings
GB/T 5836.2 Unplasticized poly (vinyl chloride)(PVC-U) fittings for soil and waste discharge inside buildings
GB/T 7307 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads
GB/T 8801 Test method for unplasticized polyvinyl chloride (PVC-U) fittings by falling
GB/T 8802 Thermoplastics pipes and fitting - Determination of vicat softening temperature
GB/T 9439 Grey iron castings
GB/T 11379 Metallic coatings - Electroplated coatings of chromium for engineering purposes
GB/T 12716 Pipe threads with the thread angle of 60 degrees where pressure-tight joints are made on threads
GB/T 12772 Cast iron pipes, fittings and accessories with flexible joint sewerage for drainage
GB/T 13819 Copper and copper alloy castings
CJ/T 177 Work coupling type cast iron pipe and fittings for building drainage
CJ/T 178 Fauceting cast iron pipes and fittings with flexible joint for building drainage
CJ/T 250 High density polyethylene pipes and fittings for drainage inside buildings
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
floor drain
device for discharging accumulated water on the ground or receiving drainage from appliances at the same time, which is composed of grate, body, discharge joint and other components
3.2
water seal
water storage structure in floor drain for preventing harmful gases, etc., from escaping
3.3
straight floor drain
floor drain with bottom discharge opening, with its body without water seal or other accessories
3.4
water seal floor drain
refer in particular to floor drain with traps or other structural types of water seals inside, which meets the requirements of effective trap seal, minimum seal capacity and ratio of water seal
3.5
special type floor drain
non-straight floor drain with one or more functions, such as anti-dried up floor drain, water injection floor drain, seal-type floor drain, grid-type floor drain, forbidden-spill floor drain, multiple-connection floor drain, side-drain floor drain, embedded floor drain, anti-siphon floor drain and special large flow floor drain
