Butterfly valve - ZESA | ARI | Philippopoulos s.a.
Butterfly valve - ZESA | ARI | Philippopoulos s.a.

Butterfly valve - ZESA | ARI

Butterfly valve - ZESA | ARI: Reliability Meets Innovation

The Butterfly valve - ZESA | ARI brings a new level of reliability and efficiency to industrial fluid control. Built for demanding environments, this butterfly valve is designed to simplify operations, reduce maintenance time, and ensure long-term dependability. Its intelligent engineering ensures smooth performance under heavy use, whether in a factory, plant, or any industrial setting.

Features and Benefits: What Makes Butterfly valve - ZESA | ARI Stand Out?

  • Durable Construction: Made from high-quality materials, this valve resists wear and corrosion, even in harsh conditions. You can count on it for years of trouble-free service.
  • Easy Installation: Lightweight and compact, the Butterfly valve - ZESA | ARI can be quickly fitted into existing systems, minimizing downtime and keeping your operations running smoothly.
  • Precise Flow Control: With its advanced disc design, you can easily adjust the flow of liquids or gases—giving you more control over your processes and saving energy.
  • Low Maintenance: The smart design reduces the need for frequent servicing. Fewer parts mean fewer things that can go wrong, keeping maintenance simple and cost-effective.
  • Wide Compatibility: Fits a variety of pipe sizes and systems, making it a versatile solution for different industrial applications.
  • Leak-Proof Seal: The innovative sealing system prevents leaks, helping to reduce product waste and protect the environment.
  • Cost-Effective: Affordable and efficient, this butterfly valve delivers high performance without breaking your budget.

Upgrade your industrial systems with the Butterfly valve - ZESA | ARI—the smart choice for factories that demand reliable, user-friendly and robust flow control. Its advanced design combines durability, efficiency, and easy operation, ensuring you stay ahead in today’s competitive industrial world.


Type : 20.012
Standard (Options)
  • DIN
Connection (Options)
  • Flanged (Wafer)
Material (Options)
  • EN-JS 1030 (GGG40) Ductile Iron
Pressure Rating (Options)
  • PN 6
  • PN 10
  • PN 16
Seat (Options)
  • EPDM
  • FPM
  • NBR
Actuator (Options)
  • Handwheel
  • Gearbox
  • Pneumatic
  • Electric

Datasheet and documents

Description

✅ Soft-sealing, maintenance-free design
✅ Excellent flow characteristics with optimized Zeta-values
✅ Double stem sealing for leak protection
✅ DVGW-certified for drinking water applications (EPDM version)
✅ Full insulation possible according to EnEV (Energy Saving Order)
✅ Wide range of actuators: manual, electric, and pneumatic

Technical Specifications

Valve Types & Configurations

  1. ARI-ZESA® (Wafer Type) – Butterfly valve with elongated eyelets
  2. ARI-GESA® (Lug Type) – Butterfly valve with threaded eyelets, suitable as pipe-end valve


Material Options

Component Material
Body EN-GJS-400-15 (Ductile Iron), EN-JS1030
Seat EPDM (-10°C to +130°C), NBR (-10°C to +80°C), FPM (0°C to +150°C)
Disc Stainless Steel 1.4581 / CuAl10Fe5Ni5-C (Optional for DN40-500)
Stem X20Cr13+QT (1.4021+QT) / X6CrNiMoTi17-12-2 (1.4571 for DN ≤ 300)


Pressure & Temperature Ratings

  • Nominal Pressure Ratings: PN6, PN10, PN16
  • Max Differential Pressure:
    • 16 bar (DN25-150)
    • 10 bar (DN200-500)
  • Flange Connections: DIN EN 1092-1
  • Leakage Test Compliance: DIN EN 12266-1 (Leakage Rate A)
  • Drinking Water Certification: DVGW (EPDM) DW-6201BR0244

Tests and Certification

DIN DVGW registration "water" for EPDM (DN25/32-500)
DIN EN 13774 (Stop valves for gas and water PN 4 till PN16)
DGRL 2014/68/EU (PED Pressure Equipment Directive)
GOST-R (Russia)