aThe location of the control valve shall be indicated by a sign place on the structure directly opposite the sidewalk flush box, and shall have a white background with one inch red letters reading: "Automatic Sprinkler Shutoff Valve ... . 控制阀的地点将由一个标志地方在结构表示直接反对边路冲...
Shut-off valve for a ventilation pipe carrying an airflow with dust particleS. A housing forming a seat with sections limiting the airflow, is located in front of the seat which have a smaller diameter than the seat and fitted with a valve link opening in the direction of ventilation and ...
1. A manual shut-off valve at the gas inlet location.问题补充:匿名 2013-05-23 12:21:38 1。手动切断阀的进气口位置。 匿名 2013-05-23 12:23:18 1.*A手册关闭阀在气体入口位置。 匿名 2013-05-23 12:24:58 1. 一个手工停机阀在气体入口地点。 匿名 2013-05-23 12:26:38 1。
Condensate or waste water shall not drain over a public way. To clarify, an indirect waste pipe is something that is upstream of a trap. That means we cannot dump into anything downstream of a trap. That would include the main plumbing vent stack - a common error in disposing of air con...
a stop slide valve, can be blocked off, and wherein, in such a for the purpose of a leak test of the main line blocked house connection tube, which in turn, for example, on one side by means of the house-side main purely the direction of the operating method can be shut off, fro...
Main air filters are rarely installed on individual room return (or supply) air registers, but identifying the presence and the location of both supply and return air registers will help us understand whether or not the system uses central returns or individual room air returns, or a mix of...
The valve location method pursues a more systematic approach compared to conventional rule of thumb, in which a washout valve is installed at the low point to drain sediment or excess water from the transmission main, and the control valve is positioned at a regular interval (e.g., 1–3 ...