BS EN 1277-2003 塑料管道系统.地下无压用热塑性管道系统.弹性密封环型接头密封性的试验方法
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标准号:BS EN 1277-2003
中文标准名称:塑料管道系统.地下无压用热塑性管道系统.弹性密封环型接头密封性的试验方法
英文标准名称:Plastics piping systems - Thermoplastics piping systems for buried non-pressure applications - Test methods for leaktightness of elastomeric sealing ring type joints
标准类型:G33
发布日期:2004/4/21 12:00:00
实施日期:2004/4/21 12:00:00
中国标准分类号:G33
国际标准分类号:23.040.80
适用范围:This European standard specifies three basic test pressures for determining the leaktightness of elastomeric sealing ring type joints for buried thermoplastics non-pressure piping systems.
Unless otherwise specified in the referring standard, the methods pressures used are the following:
— p1: internal negative air pressure (partial vacuum);
— p2: a low internal hydrostatic pressure;
— p3: a higher internal hydrostatic pressure.
It also describes four test conditions under which the test can be executed, as follows:
A: without any additional diametric or angular deflection;
B: with diametric deflection;
C: with angular deflection;
D: with simultaneous angular and diametric deflection.
These conditions can be applied individually or in combination. The applicable selection of the method(s) and the condition(s) should be specified in the referring standard.
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