User Guide

INSTALLATION

Inspection Inspect the package for damage. If damaged, notify the appropriate carrier immediately. If

undamaged, open the package and inspect the device for obvious damage. Return any

damaged products.

Requirements • Tools:

– #2 Phillips screwdriver

– 3 mm hex wrench (for setscrew on Mx41-6043 and Mx41-6083 non-spring return

actuators)

– 10 mm socket wrench (for shaft clamp nuts on Mx40-704x spring-return actuators)

– Small screwdriver or 1/8” diameter steel pin (for manually turning the old-style

shafts)

– 10 mm open-end wrench or adjustable wrench (e.g. crescent wrench)

– Torque wrench, range to include 55 to 120 lb-in. (6.2 to 14 N-m)

– Pipe wrenches, two

– Additional installation tools as specified in the actuator’s installation document

• Training: Installer must be a qualified, experienced technician

Caution:

• Avoid locations where excessive moisture, vibration, or corrosive fumes are present.

• Avoid exceeding the maximum allowable actuator ambient temperature of 130 °F

(55 °C) for non-spring return actuators and 140 °F (60 °C) for spring return actuators.

General Installation Overview

Follow these subsections to install a ball valve assembly or valve body/linkage assembly:

• Installation of Mx40-704x Spring Return Actuators (page 4)

To mount a spring return actuator onto a valve body/linkage assembly.

• Installation of Mx41-6043 and Mx41-6083 Non-Spring Return Actuators (page 5)

To mount a non-spring return actuator onto a valve body/linkage assembly.

• Valve Mounting (page 6)

To mount the valve assembly in the piping.

• Manual Valve Positioning of Mx40-704x Spring Return Actuators (page 9)

To manually open a ball valve for system startup.

• Manual Valve Positioning of Mx41-6043 and Mx41-6083 Non-Spring Return

Actuators (page 11)

To manually open a ball valve for system startup.

• CHECKOUT (page 12)

To verify correct installation and operation of the valve assembly.

Applicable Actuators

Table-1 Applicable Actuators for Ball Valves.

Valve Size

Actuators

Non-Spring Return Spring Return

1/2” to 1-1/4” Mx41-6043 (35 lb-in., 24 Vac)

MA40-7040 (35 lb-in., 120 Vac)

Mx40-7043 (35 lb-in., 24 Vac)

1-1/2” to 3” (2-Way)

1-1/2” to 2” (3-Way)

Mx41-6083 (70 lb-in., 24 Vac)