ARI – STEVI Series Control Valves
ARI STEVI Series Controls Valves are designed for long service life and accurate control of your process. For reliable, efficient and accurate control you can trust ARI, a USA & German Manufacturer with decades of satisfied customers around the world.
- Two-Way (Straight Through) Valves
- Three-Way Valves
- Heating Valves
All of the ARI STEVI series of control valves are available with or without a stainless steel double walled bellows for leakproof maintenance‐free sealing when used in high temperature or aggressive process fluids. ARI STEVI series control valves have a wide rangeability (from 30:1 to 50:1), are available in many different materials, with a variety of actuator types, and an long list of control accessories – including their new Digital Positioner.
ARI STEVI series control valves provide you with process control solutions. Contact us today for assistance.
Two-Way Control Valves:
STEVI Smart 440/441 – Standard Two-Way Valve (Flanged)
- PN16 – PN40, DN15 – DN250
- ANSI 300# ‐ ½” – 2″ (440 only)
- STEVI Smart 440/441 Data Sheet
STEVI Pro 470/471 – Shaft Guided Plug
- PN16 – PN40, DN15 – DN150
- ANSI 150# / 300#, 1″ – 8″
- Raised Face Flanges or Butt-Weld Ends
- STEVI Pro 470/471 Data Sheet
- STEVI Pro 470/471 ANSI Data Sheet
STEVI Pro 422/462 – Double Guided Plug
- PN16 – PN40, DN200 – DN250
- STEVI Pro 422/462 Data Sheet
STEVI Smart 425/426 – Guided Plug
- PN16 – 40, DN300 – DN500
- STEVI Smart 425/426 Data Sheet
STEVI Vario 448/449 – Changeable Trim & Anti‐Vibration
- PN16 – PN40, DN15 – DN100
- STEVI Vario 448/449 Data Sheet
STEVI 405/460 – Stop Valve
- PN16 – PN40, DN15 – DN250
- Stem protection by bellow
- Maintenance-free O-ring sealing
- STEVI 405/460 Data Sheet
STEVI BBD 415 – Blow Down Valve
- PN40, DN25 – DN50
- STEVI BBD 415 Data Sheet
Three-Way Control Valves:
STEVI Smart 450/451 – Mixing / Diverting Valve
- PN16 – PN40, DN15 – DN150
- STEVI Smart 450/451 Data Sheet
STEVI Smart 423/463 – Mixing / Diverting Valve
- PN16 – PN40, DN200 – DN300
- STEVI Smart 423/463 Data Sheet
STEVI Pro 453 – Feedwater control valve with pump spill back
- PN40, DN25 – DN100
- STEVI Pro 453 Data Sheet
Utility Valves:
STEVI H 480/483– Valves for Heating (Mixing & 2-Way)
- PN16 – PN25, DN15 – DN100
- STEVI H 480/483 Data Sheet
STEVI H 485/488 – Mixing Valve for Water Service
- PN16, DN15 – DN250
- STEVI H 485/488 Data Sheet
STEVI H 486/487– Mixing Valve for Water Service
- PN16, DN15 – DN150
- STEVI H 486/487 Data Sheet
STEVI H 491/492– Mixing Valve for Water Service
- PN16, DN15 – DN50
- STEVI H 491/492 Data Sheet
