本公(gong)司生産(chǎn)的系列(liè)單座調(diào)節閥，采(cǎi)用頂部(bù)導向平(píng)衡籠♋式(shi)結構， 具(jù)有高強(qiang)度、重載(zǎi)荷、S型流(liu)道、壓降(jiàng)損失小(xiao)、流㊙️量系(xi)數大、可(ke) 調範圍(wéi)廣、流量(liang)特性精(jīng)度高。此(ci)調😄節閥(fá)适用于(yu)工況壓(ya)差較小(xiǎo)的場 合(he)，關💯閉嚴(yan)密，适用(yong)于對介(jiè)質🈲流量(liàng)或者壓(yā)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