BX43W-16C沥青阀

BX43W二通沥青保温旋塞阀

X47W软密封偏心旋塞阀

X43F46法兰衬氟旋塞阀

X43W-16P二通不锈钢旋塞阀

X43W-10C二通铸钢旋塞阀

X14W不锈钢三通丝口旋塞阀

X14T三通内螺纹铜芯旋塞阀

X13W-10P二通不锈钢内螺纹旋塞阀

X13W内螺纹二通全铜旋塞阀

X13T-10二通内螺纹铜芯旋塞阀