The ARI-GESA is a maintenance-free, soft-sealing butterfly valve from
ARI Armaturen, designed with a ductile iron body, stainless steel disc, and EPDM/NBR/FPM seats, offering excellent flow, double stem sealing, and suitability for hot/cold/drinking water and process water, featuring a polygon shaft/disc connection for reliability and easy disc/sleeve replacement, often with threaded eyelets for flange mounting and options for actuators.
Key Features & Design
- Maintenance-Free: Designed for long life with minimal upkeep.
- Soft Sealing: Uses EPDM, NBR, or FPM sleeves for tight shut-off.
- Durable Construction: Features a ductile iron body (EN-JS1030) and a stainless steel (1.4581) disc.
- Secure Connection: A polygon connection between the shaft and disc ensures reliable torque transmission and easy replacement.
- Double Stem Sealing: A profile ring and dew point barrier prevent leakage.
- Versatile Mounting: Available with threaded eyelets (lug-type) for flange connections (PN10/16).
- Flow Optimization: Provides good flow characteristics, with improved designs offering better Kvs values.
- Actuation: Can be manual (locking lever) or equipped with electric/pneumatic actuators via an ISO 5211 head flange.
Applications
- Heating and cooling systems.
- Drinking water installations (DVGW approved).
- Process water systems.
Benefits
- High process reliability and long service life.
- Easy installation and maintenance.
- Energy efficiency due to better flow.
- Can be fully insulated and is compliant with energy regulations (GEG).
