The 1153 series valve is a TTV wafer butterfly valve, with a ductile iron body and EPDM seat. It is used to close or regulate networks of cold or hot water, seawater, alcohol, alkaline substances, sodium hydroxide, etc. Actuated by a gearbox with position indicator
Gearbox datasheet can be found here: https://geminivalve.nl/wp-content/uploads/2025/05/GV1197.pdf
