working media: water (water supply systems and central heating), max. 50% glycol solution in water (solar and central heating installations), compressed air
Herkules ball valves type V17 have received a National Technical Assessment Certificate issued by the Building Research Institute in Warsaw stating suitability for use in construction and Hygienic Certificate issue
Workmanship and materials
bodies and nuts are made of moulded parts and processed by machine tools
body material: CW617N brass
ball finish: chrome plated, polished
ball sealing: PTFE
stem sealing: PTFE
Finish
all ball valves are sandblast and then nickel-plated
on demand they can be coated with chrome or only sandblast
Advantages
warranty: 15 years
metal handle
double stem seal
valve bore without any constriction affecting the flow, full port according to standard
connection threads with a large number of thread turns provides a secure and tight connection
the gland on the stem allows compensation of possible clearance by means of a simple wrench
chrome plated and polished ball resistant to blocking
thick walls and solid workmanship - increased durability and strength
quality control carried out strictly according to applicable European standards
100% of the valves produced are tested for leakage
valve’s bodies have permanent markings required by the European standards
valves adapted to potable water - surface, which may have contact with water (inside the valve and connection