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Repair Kits Available By Part Number Section 2 Page - GAMECO

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WARNING: Installation, usage and maintenance of this product<br />

must be in compliance with all Engineered Controls International,<br />

Inc. instructions as well as requirements and provisions of NFPA<br />

#54, NFPA #58, DOT, ANSI, all applicable federal, state, provincial<br />

and local standards, codes, regulations and laws.<br />

The pneumatic actuator should be installed after valve is mounted<br />

in vessel, but prior to attaching pump or piping, with the valve in the<br />

closed position.<br />

Inspection and maintenance on a periodic basis is essential.<br />

Installation and maintenance should be performed only by qualified<br />

personnel.<br />

Be sure all instructions are read and understood before installation,<br />

operation and maintenance. These instructions must be<br />

passed along to the end user of the product.<br />

CAUTION: Contact or inhalation of liquid propane, ammonia and<br />

their vapors can cause serious injury or death! NH3 and LP-Gas<br />

must be released outdoors in air currents that will insure dispersion<br />

to prevent exposure to people and livestock. LP-Gas must be kept<br />

far enough from any open flame or other source of ignition to<br />

prevent fire or explosion! LP-Gas is heavier than air and will not<br />

disperse or evaporate rapidly if released in still air!<br />

Foreword<br />

The A3217FPA Pneumatic Actuator is designed for use with the<br />

A3217F Series 3" Flanged Internal Valves.<br />

The A3217FPA provides a convenient means of opening and closing the<br />

internal valve from a remote location on DOT MC331 transport and<br />

delivery trucks as well as stationary storage tanks.<br />

How the Pneumatic Actuator Works<br />

The pneumatic actuator can be pressurized with either air or nitrogen.<br />

The actuator’s diaphragm rod moves the valve’s operating lever to the<br />

open position when pressure is applied. Upon loss of pressure, the<br />

valve’s operating lever returns to the closed position.<br />

The A3217FPA operates with a minimum pressure of 50 PSIG and a<br />

maximum operating pressure of 150 psig.<br />

The pneumatic actuator is compatible with existing air interlock systems.<br />

It also provides a convenient means of operating a number of<br />

internal valves on stationary tanks at bulk plants from remote locations.<br />

A3217FPA Pneumatic<br />

Actuator for 3" Internal Valve<br />

Installation and Operation<br />

Manual Actuator Removal<br />

NOTE: If the manual actuator is present, it must first be removed<br />

before installation of the pneumatic actuator. Refer to Diagram 1<br />

during removal of the manual actuator.<br />

1. Remove cotter pin from lever and remove lever from valve stem.<br />

Leave the nylon washer in place.<br />

2. Remove both lever stop pins from valve face.<br />

Pneumatic Actuator Installation<br />

NOTE: Lubricant compound #11550-215, or the equivalent, should be<br />

applied in a light coating when specified. Torque tolerance is ±10 in/lbs.<br />

Refer to Diagram 2 during assembly of the pneumatic actuator.<br />

1. Remove the clevis and clevis locknut from the air chamber shaft.<br />

Remove the cotter pin and pivot pin from the clevis.<br />

2. Assemble the air chamber to the bracket using the air chamber nuts<br />

and lock washers. Center the air chamber shaft in the clearance hole<br />

of the bracket. Tighten air chamber nuts to 375 in/lbs.<br />

3. Reassemble the clevis locknut and clevis to the air chamber shaft.<br />

Adjust the clevis so that the center of the pivot pin hole is 2 3 /4" from<br />

the bracket with the pivot pin holes in the horizontal plane. Lock the<br />

clevis in place with the clevis locknut using 200 in/lbs torque.<br />

Diagram 1 — Manual Actuator Removal<br />

A3217F Series<br />

3" Internal Valve<br />

Diagram 2 — Pneumatic Actuator Installation<br />

Valve Stem<br />

Lever Stop Pin<br />

A3217F Series 3" Internal Valve<br />

Bracket Lockwashers (4)<br />

Bracket Screws (4)<br />

Bracket<br />

Lever Stop Pin<br />

NylonWasher<br />

Cotter Pin<br />

Operating Lever<br />

Air Chamber<br />

Valve Face<br />

Packing Gland<br />

Valve Stem<br />

Clevis Cotter Pin<br />

Clevis Locknut<br />

Air Chamber Nuts (2)<br />

Air Chamber Lockwashers (2)<br />

Nylon Washer<br />

Cotter Pin<br />

Crank Arm<br />

Clevis<br />

Pivot Pin

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