发明授权
US4913352A Grit protected pressure regulator for pop-up sprinklers 失效
防尘保护的压力调节器用于弹出式喷头

Grit protected pressure regulator for pop-up sprinklers
摘要:
A pop-up irrigation sprinkler having a tubular pressure regulator mounted for movement in the pop-up stem and a funnel shaped grit protector shroud mounted within the stem above the pressure regulator to direct deleterious particulate matter downwardly through the pressure regulator.
信息查询
0/0