CYZ40H油密封差压闸阀
TPJ41Y阀套式排污阀
HG41A高压微阻止回阀
DH61B高压升降式止回阀
DH41B高压升降式止回阀
H62Y高压自密封对焊止回阀
H82Y高压卡箍式止回阀
H63Y H83Y高压角式止回阀
MT41Y磨轮快速调节阀
MT61Y MT81Y磨轮快速调节阀
FLJ41Y节流截止放空阀
L/J67Y自平衡角式节流截止阀
L/J87Y自平衡角式节流截止阀
ZF43Y Z43Y油田专用高压闸阀
Z81H井口闸阀
ZF63Y Z63Y油田焊接高压闸阀
Z83Y(套)卡箍高压平板闸阀
L/J86Y平衡式节流截止阀
L/J46Y平衡式节流截止阀
L/J66Y平衡式节流截止阀