Install Instructions

Part No.14-1086-0, Rev. B 1

Spring Kit Procedure for

V-3801-8001 Pneumatic Actuators on

Threaded Stem VG7000 Series Bronze Valves

This procedure describes the recommended method to install the spring

used with the V-3801-8001 Pneumatic Valve Actuators on threaded stem

VG7000 Series Bronze Valves.

Kit Includes

• one bonnet adaptor

• spring:

Spring Ranges Color Code

3 to 6 psi Red

4 to 8 psi White

9 to 13 psi Blue

• one upper spring seat

• one stem extension

• one stem locking screw (set screw)

Tools Required

• small blade screwdriver

• pliers

• adjustable or 1-1/4 in. open end wrench

• 1 x 1/2 in. plastic, iron, or steel pipe reducer coupling, or

1 x 1/2 in. copper tube reducer coupling (optional - to aid in spring

compression)

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Spring Kit Procedure for V-3801-8001 Pneumatic Actuators on Threaded Stem VG7000 Series Bronze Valves This procedure describes the recommended method to install the spring used with the V-3801-8001 Pneumatic Valve Actuators on threaded stem VG7000 Series Bronze Valves.
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1 x 1/2 in. Pipe Coupling (to aid in assembly) Upper Spring Seat 2-1/8 (54) Stem Extension (locking screw inside, not shown) Spring Bonnet Adaptor Figure 1: V-3801-8001 Actuator, in. (mm) Adaptor and Spring Assembly Procedures 1. After the valve has been installed or is firmly restrained, thread the bonnet adaptor onto the valve bonnet. 2 Using a 1-1/4 inch wrench, tighten the adaptor. Pull the valve stem to the full up position.
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Actuator Assembly Procedure The actuator is easily attached to the valve by placing the actuator over the spring and bonnet adaptor and tightening the set screw. Connect the air line to the barbed fitting on the actuator. Ensure the spring seat is parallel with the length of the actuator so it properly nests into the piston cup inside the actuator. Commissioning Valve/Actuator When the spring and actuator are installed, check the following items: 1.
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