ARI – ZESA®/GESA® & ZIVA® Soft Seated Butterfly Valve
The ZESA®/GESA® & ZIVA® product lines are all quarter‑turn rotational valves with rubber seals. The ZESA®butterfly valves are in a wafer pattern design; GESA® butterfly valves are in a lug pattern design. The ZIVA® product series is for industrial applications, with the ZIVA® Z in the wafer pattern design, and the ZIVA® G in the lug pattern design.
PRODUCT DESCRIPTION:
YOUR ADVANTAGES
- Energy efficiency: Significantly better KVS values than those of the former ZESA®/GESA®/ZIVA® versions
- Maximum process reliability: Shaft and disc are connected by a secure polygon
- Optimised stability: Long service life thanks to optimised stability of the entire shaft and disc design
- Better, corrosion-resistant coating: C3 instead of C2 coating based on DIN EN ISO 12944-5
- Shaft end equipped with a square: The standardized connection form in accordance with ISO 5211 offers uncomplicated, subsequent installation of a control element
- Better handling when replacing liner: Weight reduction for the large nominal sizes
- Robust and durable for more demanding applications: Industrial version optionally with cast lever and metallic notched plate
- Cold temperature version: Optional for temperatures down to -20°C
AREAS OF APPLICATION IN INDUSTRY
- Compressed air systems
- Cooling loops in the process industry
- Combined heat and power plants
- Swimming pool technology
- Solar thermal systems
- Biogas plants
- Seawater applications
- VVarious industrial applications
