ລາຍລະອຽດ: BH Series Dual plate valve check valve is the cost-effective backflow protection system for piping check valve, as it is only elastomer-lined check valve.The valve body is completely isolated from line media which can extend the service of this series in most appications and makes it a particularly economical alternative in applications which the othervise as the other vise as the elastomer-lined insert valve. ໂຄງສ້າງ...