GB/T 18991-2003
ActiveThermoplastics pipes and fittings forhot and cold water systems
冷热水系统用热塑性塑料管材和管件
📚 References & Relations / 引用与关联
normative_reference
DIS 9080
normative_reference
GB/T 15820-1995
normative_reference
GB/T 17219-1998
normative_reference
GB/T 18252---2000
normative_reference
GB/T 18252-2000
normative_reference
ISO 3458
normative_reference
ISO 3501
normative_reference
ISO 3503
normative_reference
ISO 7686
normative_reference
TR 9080
📖 Terms & Definitions / 术语和定义 ai_extracted
- 最高1作温度T_x
- maximum operating temperature 仅在短时间内出现的、可以接受的最高温度。
- 故障温度几
- malfunction temperature 系统超出控制极限时出现的最高温度。 注：在50年内发生这种情况的总的时间累积应不超过100 h, GB/T 18991-2003
- 冷水温度工
- cold water temperature 输送冷水的温度，设计时取200 C o
- 工作压力p.
- operating pressure 系统设计输送水的压力。
- 经处理的水
- treated water 塑料管材、管件制造商和管道系统供应商所允许使用的含有水处理剂的水。
🔗 Related Standards / 同类标准
GB/T 4550-1984
Preparation of unidirectional orientated fiber reinforced plastic plates for test purposes
GB/T 1037-1988
Test method for water vapor transmission of plastic film and sheet--Cup method
GB/T 9885-1988
Terms of rubber products for foodstuff and medicine
GB/T 10009-1988
Acrylenitrile-butadiene-styrene (ABS) plastics extrusion plates
GB/T 10006-1988
Plastics--Film and sheeting--Determination of the coefficients of friction
GB/T 14234-1993
Surface roughness for plastic parts
GB/T 14447-1993
Test method for electrostatic properties of plastic films--Half-life method
GB/T 15267-1994
Rigid polyvinyl chloride sheet and film forfoodstuff packing
Content extracted by AI. Not officially verified.