本公司生[Sheng]産的系列單座調節閥，采用頂部導向(Xiang)平[Ping]衡籠[Long]式結構， 具(Ju)有高[Gao]強度(Du)、重載荷[He]、S型[Xing]流道、壓降損失[Shi]小、流量系數[Shu]大、可 調範圍(Wei)廣、流量特性精度高。此調節閥适用(Yong)于[Yu]工況壓差較[Jiao]小的場 合，關閉嚴密，适用于對[Dui]介質流[Liu]量或者壓力(Li)的調節。 

The series of single seat-control valves produced by the Company adopt top guide balanced cage structure， with high strength， heavy load， S-shaped flow passage， small pressure drop loss， large flow coe- f ficient， wide adjustable range and high flow characteristic accuracy. This control valve is suitable for the occasion with small working condition pressure difference and it can close tightly.It is suitable