美标旋塞阀
BX43W-1.0P/R/C..
X14W-1.0T三通内螺全..
X13W-1.0T二通内螺全..
X16W-1.0T三通内螺全..
X47W-1.0油密封旋塞阀
X44T-1.0三通铜芯旋塞阀