The ARI-ZIVA-Z is a high-quality, maintenance-free, wafer-type butterfly valve for industrial use, featuring a nodular iron body, stainless steel disc, and soft EPDM/NBR/FPM sealing, known for its excellent flow (Zeta-values) and suitability for water, process water, gas, and building tech, with options for electric/pneumatic actuators and DVGW certification for drinking water.
Key Features & Description:
- Type: Wafer pattern butterfly valve (fits between flanges).
- Maintenance-Free: Designed for long service life without frequent servicing.
- Sealing: Soft-seated (EPDM, NBR, or FPM options) for tight shut-off.
- Body: Nodular cast iron (EN-JS 1030) with durable epoxy coating.
- Disc: Stainless steel (1.4581), with the shaft/disc connection not contacting the medium.
- Flow: Excellent flow characteristics due to optimized Zeta-values.
- Actuation: Available with lever, gear, electric, or pneumatic actuators.
- Applications: Water (cold, hot, drinking, process), gas, chemical plants, shipbuilding, building services.
- Certifications: Can be DVGW-certified for drinking water (EPDM) and gas (NBR).
In essence:
It's a robust, versatile, and reliable valve for controlling liquids and gases in demanding industrial and building technology settings, offering good performance and low maintenance.