SANS 50712-1993 塑料管道系统．配件和聚烯烃压力管的机械接合．在弯曲时内部压力引起的密封性的试验方法
Thermoplastics piping systems - End-load bearing mechanical joints between pressure pipes and fittings - Test method for resistance to pull-out under constant longitudinal force
Specifies a method for checking the ability of assembled end-load bearing mechanical joints (excluding fusion-welded joints) between fittings and pressure pipes to withstand a longitudinal tensile force.