ABB AV2 and AV27 Electro-Pneumatic Valve Positioners

The ABB AV2 Electo-pneumatic valve positioner accepts a 4-20ma input and signal

The basic unit can be provided with a gage block or a manifold (which also has connections for the gauges. A number of different drive shafts are available to match with different actuators..

The AV27 is a basic Electo-pneumatic positioner with an explosion proof and intrinsically safe I/P connected to it which makes it suitable for hazardous areas

The TZIDC Series provides additional capabilities in a intelligent positioner

AV2
AV2 Posiitoner

AV2 no gauge block, no manifold

AV2 with Gauge Block
AV2 positioner with gauge block

Basic AV2 with gauge block, no manifold

AV2 Internals
av2 internals
AV2 with Manifold
ABB AV2 Positioner with manifold

AV2 with Manifold

AV2 with Manifold
AV2 Positioner with Manifold

AV2 with Manifold side view

AV27 with Exp I/P
AV2 Positioner with Manifold

AV27 with Exp I/P

AV Series of Positioners

The AV series of positioners offers a number of cam operated units with different inputs to meet various needs AV series of positioners

High throughput capacity
- up to 27scfm at 80psi air supply eliminates the need of boosters
Characterizable output
- large position cam contains field selectable linear, square & square root relationships
High temperature solutions
- the AV1 with high temperature option is suitable for 250deg F (121deg C)
Accurate calibration
- independent zero & span adjustment eliminates interaction and provide fast, accurate calibration.
Rugged compact all metal design
provides long life service
Performance pilot valve option
provides fast action to small set point changes
Suitable for single acting or double acting applications
Simplified design
with field serviceable or replaceable components
High supply pressure
of up to 150psig
Simplified Reverse operation
Simplified Calibration
- Independent Zero and Span Adjustment
Elevated zero or Suppressed range
- Up to 50% of zero or span possible

AV27 Electro - Pneumatic FM/CSA CL 1 DIV 1

Standard AV1 with Explosion Proof I/P directly mounted AV27 Electro-pneumatic positioner for hazardous areas

FM/CSA Approvals
Explosion-Proof for Class I  Division 1 - Groups B, C, & D
 Dust-Ignition Proof for Class II  Division I - Groups E, F
G Suitable for Class III, Division I
Intrinsically Safe for Class I, II, III Division 1 - Groups A, B, C,D, E, F, G When Used with an Approved Intrinsic Safety Barrier
Non-Incendive for Class I, II, III, Division II Groups A, B, C, D, E, F, G

We accept POs with approved credit, and

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