safety vacuum release system造句

• (5 ) Safety Vacuum Release System ( SVRS )-The term'safety vacuum release system'means a vacuum release system capable of providing vacuum release at a suction outlet caused by a high vacuum occurrence due to a suction outlet flow blockage.
• (5 ) Safety Vacuum Release System ( SVRS )-The term'safety vacuum release system'means a vacuum release system capable of providing vacuum release at a suction outlet caused by a high vacuum occurrence due to a suction outlet flow blockage.
• In addition, all public pools and spas with a single main drain other than an un-blockable drain, shall also employ one or more of the following devices : separated drain system per ANSI / APSP 7, safety vacuum release system ( SVRS ) that complies with ANSI / ASME A112.19.17 or ASTM F2387; suction-limiting vent system; gravity drainage system; automatic pump shutoff; drain disablement; equivalent system determined by the CPSC.
• In the United States, if a pool or spa does not employ an unblockable drain, it must include, at a minimum, one of the following safety systems : a safety vacuum release system ( SVRS ) as defined in " definitions,'a suction limiting vent system with a tamper resistant atmospheric opening, a gravity drainage system that utilizes a collector tank, an automatic pump shut-off system, a device or system that disables the drain or any other system certified by the consumer product safety commission.