不銹鋼閘閥 銅製閘閥 鐵制閘閥 鋼制閘閥 C125M 10SMAS 10SMBF 10SMBOF 10SMS 16SMB 16SMBO 16SMS 20SLB 20SLBO 20SLS 150SMBO 300SLBO 10FCHI 10FCL 10FCLS 10FCWI 125FCHI 125FCL 125FCLS 1 2 3 4 5 6