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INSTALLATION

TUBING CONNECTIONS

3 - 8

4. Lock all linkage components in place.

TUBING CONNECTIONS

Type AV positioners are available with (Type AV___1___ and

AV___2___) or without (AV___0___) manifolds. The following out-

lines supply air information and describes the piping connections.

Air Supply Pressure

The air supply pressure range is 172 to1034 kilopascals (25 to

150 pounds per square inch gage).

NOTE: The minimum supply pressure should be 34.4 kilopas-

cals (5 pounds per square inch gage) above the operating pres-

sure required by the actuator.

Air Supply Filtering

An external filter is recommended for Type AV positioners for pri-

mary filtration of the supply air. ABB provides supply air filters as

accessories. Refer to Table 1-12 for part numbers.

NOTE: Primary air supply filters are recommended for position-

ers with a manifold (AV___1/2___), without a manifold

(AV___0___) or with a gage block (AV___3___).

Figure 3-8. Cam Roller Alignment

T00771A

CAM FOLLOWER ARM

CAM ROLLER

CAM

CAUTION

Do not exceed the maximum supply pressure of 1034 kilo-

pascals (150 pounds per square inch gage). Exceeding this

pressure could cause equipment damage.

ABB AV1 User Manual

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