L/J46Y-160,L/J46Y-250法兰式节流截止阀

L/J66Y-160平衡式节流截止阀

L/J86Y-160,L/J86Y-250卡箍式节流截止阀

高压平衡截止阀J66Y-250C

BJ66Y-160,BJ66Y-200,BJ66Y-250,BJ66Y-320

BJ966Y-160,BJ966Y-250,BJ46Y-16C,BJ46Y-25

J66X-350,L66X-350,JL41Y-25

L67Y-250,L67Y-350,L67Y-350I

L66Y-350I,L66Y-250,L66Y-350