Series 7 should be installed downstream of the water meter and of the water pressure regulator 系列7应该安装在水表和水压力调节器的下游。
2.
A miniature plastic water pressure regulator shall be installed where indicated on the plans 在计划指示的地方应该安装微型塑料水压力调节阀。
3.
The installation of a water hammer arrestors ( watts series 05 ) or water pressure regulator ( watts series 1156 or 25aub ) may be required to correct the problem 可能需要安装一个水锤捕集器（美国瓦茨系列05 ）或水压调节器（美国瓦茨系列1156或25aub ）来解决这个问题。
