本公司生(sheng)産的系列單(dan)座調節閥，采(cǎi)用頂部導向(xiang)平衡籠式結(jie)構， 具有高強(qiang)度、重載荷、S型(xing)流道、壓降損(sǔn)失㊙️小、流量系(xì)數大、可 調範(fàn)圍廣、流量特(tè)性精度高。此(ci)調節閥适用(yòng)于工況壓差(chà)較小的場 合(he)，關閉嚴密，适(shi)用于對介質(zhì)流量或者壓(ya)力的調節。 

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