Masoneilan SVI™ II AP Advanced Performance Digital Valve Positioner

The SVI™ II AP (Smart Valve Interface, Advanced Performance) is a 32 bit microprocessor digital valve positioner with a local interface that controls a pneumatic actuator using a two-wire 4-20mA control signal. The instrument offers bi-directional communication using the HART® protocol. Its universal design offers ease of retrofit in place of existing analog positioners on Masoneilan or non-Masoneilan pneumatic actuators, either single-acting or double-acting.

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Description

Features / Benefits :

Non-Contact Position Sensing Technology:

  • Sensing through the housing, no mechanical moving parts entering the main housing cavity, prolonging the life
  • Simple mounting procedure

 

Easy, Simple, Accurate:

  • LCD and pushbuttons operable in all certified hazardous environments
  • Quick and accurate commissioning with auto stops and auto tune methods
  • One design fits many applications
    • Rotary or Linear
    • Remote or Local

 

Specifications

Signal – Communication

  • HART 5 or 7 over 4-20mA

 

Diagnostics

  • Standard Diagnostics
  • Advanced Diagnostics

 

Construction / Materials

  • Copper-free Aluminum Housing

 

Operating Temperature

  • -50°C to +85°C

 

Pneumatics Action

  • Single or Double Acting, fail safe
  • Rotary and linear

 

Supply Pressure

  • 20 to 150psi

 

Air Delivery

  • 280 SLPM @ 30psi

 

Certification

  • ATEX, IECEx, US, Canada approvals for
    • Flameproof/Explosion-proof
    • Intrinsic Safety
    • Dust Ignition proof
    • Non-Incendive

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