BUTTERFLY VALVE
วาล์วผีเสื้อ
WAFER/CAST IRON/SS304/EPDM
WAFER/CAST IRON/SS304/EPDM
CAST IRON/SS304/PTFE
UBV1003L
CAST IRON/SS304/NBR
CAST IRON/SS316/PTFE
CAST IRON/SS316/PTFE