The ZEDOX HEXO is a double-offset butterfly valve engineered with a flow-optimized disc. The ZETRIX features a triple-offset design and a metal seat built for demanding process applications. Both product lines offer dedicated configurations and operating ranges to meet your specific service requirements.
Steam · Water · Industrial Gases
ANSI Class 150 · API 609
Butterfly valves engineered for optimal flow
The ARI ZEDOX HEXO portfolio features high-performance, double-offset butterfly valves. This advanced geometry minimizes contact between the disc and seat during operation. The proprietary HEXO honeycomb disc design optimizes fluid flow and helps reduce pressure drop. Engineered for industrial installations, the line offers versatile connection options and two proven sealing technologies to deliver dependable performance on site.
01
Optimized Flow Rate
The HEXO disc optimizes media flow and reduces downstream turbulence.
02
Reduced Friction
The double offset design minimizes contact between the disc and the seat during opening.
03
Customized Sealing Solutions
CS metallic ring or PTFE+C TS soft seat, tailored to your process conditions.
04
Flexible Actuation
Manual gear operators and pneumatic, electric, or hydraulic actuators.
Four standardized configurations, categorized into three installation solutions engineered for North American piping networks. Each design utilizes proven double-offset technology.
DOUBLE OFFSET · WAFER
ARI ZEDOX 120 Wafer
High-performance wafer butterfly valve featuring a carbon steel or stainless steel body. Engineered with a double-offset disc and CS metal or TS PTFE+C seat options, this valve delivers a compact, dependable solution for isolation across steam, water, and industrial fluid systems.
Construction
Double Offset
ASME Class
150
NPS Sizes
3″ to 32″
End Connection
Wafer-Style · Between Flanges
Engineered for thermal networks, compact installations, and process piping.
DOUBLE OFFSET · LUG
ARI ZEDOX 123 Lug
Lug-style butterfly valve, engineered for seamless integration and high-performance shut-off in industrial piping systems. The ZEDOX design delivers dependable bi-directional sealing and an execution-dependent replaceable seat, complete with an actuation interface tailored for full automation.
Construction
Double Offset
ASME Class
150
NPS Sizes
3″ to 32″
End Connection
Threaded Lugs
Engineered for steam networks, thermal utilities, and lug-type installations in demanding industrial environments.
DOUBLE FLANGED OR BUTTWELD (BW)
ARI ZEDOX 121 / 122
Two designs engineered for large-diameter pipelines. Figure 122 features a double-flanged configuration, while Figure 121 is designed with butt-weld ends. Both incorporate ZEDOX technology for high-flow steam, water, and process systems.
Construction
Double Offset
ASME Class
150
NPS Sizes
8″–48″ (122) · 8″–64″ (121)
Assembly
Flanged 122 · BW 121
Engineered for large-diameter pipelines, power generation facilities, and district heating networks.
Which ZEDOX configuration is right for your system?
Selecting the right connection depends on your piping system, available space, and nominal diameter. VAMECA provides the technical expertise to help you configure the ideal ZEDOX design, seat material, and actuation package tailored to your exact operating conditions.
Mounting Solutions
ZEDOX 120 · Wafer
Compact wafer-style mounting between flanges for industrial piping and utility systems.
ZEDOX 123 · Lug
Lug-style design for seamless valve integration into flanged piping systems.
ZEDOX 121 / 122 · Large Diameters
Buttweld (BW) ends or double-flanged body options for large-diameter pipelines.
Selection Criteria
Media and Temperature
Hot water, steam, gas, or process liquids and operating temperature.
Pressure and Flow Rate
ASME class, differential pressure, and operating flow rate.
Sealing and Flow Control
Metal-to-metal CS seat or PTFE+C TS seat, NPS, available with manual or motorized actuation.
Provide your NPS, ASME class, media, and mounting configuration. Our technical team will prepare your custom ZEDOX HEXO selection.
ZEDOX valves for steam, water, and process applications
ZEDOX HEXO valves support plant operators seeking to combine dependable shut-off, low pressure drop, and seamless integration into existing systems.
CONSTRUCTION AND AUTOMATION
Double-offset design, HEXO disc, and actuation
ZEDOX HEXO valves combine an optimized disc geometry with multiple seat and actuation solutions. Their robust design ensures dependable, smooth operation across demanding industrial installations.
Honeycomb structure disc
The HEXO disc optimizes flow, helps minimize pressure drop, and supports more compact installations.
Carbon steel metal seat or resilient soft seat
The CS all-metal configuration is engineered for high-temperature service, while the TS configuration incorporates a carbon-filled PTFE seat ring to deliver dependable, resilient shut-off.
Gearbox or Actuator
Operated via manual handwheel with gear operator, or electric, pneumatic, or hydraulic actuator with ISO 5211 mounting interface.
Prepare Your ARI ZEDOX Quote Request
Whether for a replacement or a new project, just a few operating parameters are all we need to engineer a tailored solution for your facility.
Application
Media and Temperature
Steam, water, gas, or other process fluids and operating temperature.
Terms and Conditions
Pressure and Flow
Upstream pressure, differential pressure, and target flow rate.
Dimensions
NPS and Class
Nominal size, ANSI class, and dimensions for replacement.
Configuration
Assembly and Sealing
Wafer, lug, double-flanged, butt-weld (BW) ends, and CS or TS configurations.
Complete your piping systems with ARI's comprehensive engineered solutions
For your industrial projects, VAMECA also supports ZETRIX triple-offset butterfly valves, STEVI control valves, and ARI steam systems.
Other Butterfly Valve Technologies
ARI-ZETRIX
Triple-offset, metal-seated butterfly valves engineered for demanding process applications.
Control & Regulation
ARI-STEVI
Control valves for process pressure, flow, and temperature.
Steam Systems
ARI SYSTEMS
Pre-assembled steam and condensate management solutions.
FAQ
Double eccentric, HEXO performance, CS/TS seats, ANSI classes, and end connections.
Looking to install or replace an ARI-ZEDOX butterfly valve?
Send us your operating conditions, NPS, and connection type. VAMECA is here to support you with the selection, automation, and quoting of your ZEDOX HEXO in Canada.
A Dedicated Technical Representative in Quebec
A dedicated team ready to support your industrial valve requirements across Canada.
Technical Selection
Comparison of mounting styles, materials, and seat designs.
Manufacturer Documentation
ARI technical data sheets, dimensions, and specifications for the selected model.
