BX44W导热油保温三通旋塞阀BX44W

BX643W气动导热油保温旋塞阀BX643

X44T三通铜芯旋塞阀

X14H三通压力表旋塞阀

X61F美标承插焊式卡套旋塞阀

BX43W二通保温旋塞阀

YDAX47美标压力平衡式倒装油密封旋塞阀

X43T二通铜芯旋塞阀

X43W二通全铜旋塞阀

X13W二通内螺纹铜旋塞阀

X44W三通铸钢旋塞阀

X44W三通全铜法兰旋塞阀