本公司(si)生産的系(xi)列單座調(diao)節閥，采用(yòng)頂部導向(xiàng)平衡籠式(shì)結構， 具有(you)高強度、重(zhòng)載荷、S型流(liu)道、壓降損(sǔn)失小、流量(liang)系數大、可(ke) 調範圍廣(guǎng)、流量特性(xìng)精度高。此(cǐ)調節閥适(shi)👅用于工⭕況(kuang)壓差較小(xiao)的場 合，關(guān)閉嚴密，适(shì)用于對介(jiè)質流量或(huò)者壓力的(de)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