高压角式止回阀

H42F101,H62F101,H82F101油田高压角式止回阀

HH-MT81Y磨轮快速调节阀

HH-MT61Y磨轮调节阀

L/J66Y-160平衡式节流截止阀

H42H-250,H42Y-250高压直通止回阀

焊接角式止回阀,H63Y-250

T48Y T68Y 油田多级调节阀 T48Y T68Y

SLJ41Y双作用角式节流截止阀

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

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

L67X-250,L67X-350