本公司生産的系列單座(zuò)調節閥(fá)，采用頂(dǐng)部導向平衡籠(lóng)式結(jié)構(gòu)， 具有高(gāo)強度、重載(zǎi)荷、s型(xíng)流道、壓降(jiàng)損失(shī)小、流量系數大(dà)、可 調範(fàn)圍廣、流(liú)量特性精度高(gāo)。此調節閥适用于(yú)工況壓差較(jiào)小的場 合，關閉嚴密，适用于對(duì)介質流(liú)量或者(zhě)壓力的調(diào)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