1.范围1。1.范围1。1.1本标准涵盖了安装在平屋顶表面用于提升和固定工业管道的屋顶可调管道支撑系统，并规定了材料、物理特性、性能测试和标记的要求。1.1.2本标准涵盖的顶部可调管支架系统高度在3英寸（76毫米）至10英寸（254毫米）之间，由一个（a）底座组成；（b） 立管；（c） 马鞍；（d）自锁或尼龙带。

1 Scope1.1 Scope1.1.1This Standard covers rooftop adjustable pipe support systems for installation on flat roof surfaces for elevating and securing industrial piping and specifies requirements for materials, physical characteristics, performance testing, and markings.1.1.2Rooftop adjustable pipe support systems covered by this Standard are between 3 in (76 mm) and 10 in (254 mm) in height and consist of a(a) Base;(b) Riser;(c) Saddle; and,(d) Self-locking or Nylon strap.