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Worcester Controls

DESCRIPTION

Worcester Controls/McCANNA Access I Series 39 actuators are

pneumatic quarter-turn valve actuators with solenoid and limit

switches integral to the actuator end cap. The design utilizes a

double-rack, single-pinion concept, with each rack integrally cast to a

piston. Both pistons are supported and centered by large, stainless

steel guide rods. In double-acting units, both pistons are pressurized

on both strokes of the actuator. Ambient temperature range of the

Access unit is 0°F minimum to 160°F maximum.

Standard units feature an extended top shaft for manual override

capabilities and a completely modular design that allows simple

attachment of a variety of accessories. The units feature a control

block (with spool valve) that properly directs supply air to the

actuator. The control block provides independently adjustable speed

control for both opening and closing strokes of the actuator on

double-acting units, and for the closing stroke on spring-return units

(standard mounting configuration). The units can also be supplied

with an air connection block (in place of control block) for when there

is no solenoid valve integral with unit.

a WARNING: Series 39 actuators are electromechanical devices

subject to normal wear and tear. Actuator life is dependent upon

application and environmental conditions. If applied in hazardous

services, such as but not limited to media temperature extremes,

toxins, flammables, or other services where improper or

incomplete operation could produce a safety hazard, it is

incumbent upon the system designer and the user to provide proper

warning devices such as temperature sensors, oxygen sensors and

flow sensors. Flowserve also recommends that the integral limit

switches be used for monitoring and/or electrical interlock.

CAUTIONS: When actuator is installed in outdoor conditions, water

can enter the exhaust hole(s) of the control block or air connection

block, and then freeze. Flowserve suggests a cover be used, or

mount the actuator such that the block exhaust hole(s) will not fill

with water.

Flowserve recommends that all products that must be stored prior

to installation be stored indoors, in an environment suitable for

human occupancy. Do not store product in areas where exposure to

relative humidity above 85%, acid or alkali fumes, radiation above

normal background, ultraviolet light, or temperatures above 120°F

or below 40°F may occur. Do not store within 50 feet of any source

of ozone.

IMPOR

TANT: Included in all 39 actuator accessory and repair kits is a

rebuild/accessory addition label, which is to be marked with a

permanent marker and then applied to the actuator after an accessory

kit has been installed or an actuator has been repaired.

INSTALLATION

NOTE: The Series 39 actuator is normally installed with its major axis

parallel to the pipe line. This is mandatory when mounting actuator to

90° V1 diverter/Three-Way (D44 and T44) valves and CPT valves. The

actuator can be oriented above, beside or beneath the valve without

affecting its operation.

Rev. R6 actuators may come with an ISO locating ring used for

optional ISO mounting.

A. Determine mode of operation desired (normally open or normally

closed) of the valve.

B. Determine desired quadrant for bracket attachment and direction

of mounting of actuator (in-line or cross-line).

C. Attach mounting bracket to actuator using four (4) cap screws

and lockwashers provided in mounting kit. To avoid any damage

to the Series 39 actuator body, ONL

Y the proper length screws

supplied with the mounting kit should be used. For " - 2" top

mount style valves, attach bracket such that bracket nameplate

will be to side of valve.

WCAIM2027

(Part 15462)

10, 15, 20 ACCESS I 39 Actuators

Installation, Operation and Maintenance Instructions

1 2 3 4 5 6 ... 15 16

Indice de contenidos

Pagina 1 - INSTALLATION

Worcester ControlsDESCRIPTIONWorcester Controls/McCANNA Access I Series 39 actuators arepneumatic quarter-turn valve actuators with solenoid and limit

Pagina 2

10 10, 15, 20 ACCESS I 39 Actuators WCAIM2027MAINTENANCECAUTION: The actuator must be isolated both pneumatically andelectrically before any maintenan

Pagina 3

WCAIM2027 10, 15, 20 ACCESS I 39 Actuators 11a) If actuator has no lubrication, apply generousamount of a #1 grease.b) If solidified grease between th

Pagina 4

12 10, 15, 20 ACCESS I 39 Actuators WCAIM2027ACTUATOR REASSEMBLY1. Be sure the actuator surfaces are clean and free of grit andscratches. If the insid

Pagina 5

WCAIM2027 10, 15, 20 ACCESS I 39 Actuators 13Flow Control DivisionWorcester ControlsSPRING-RETURN ACTUATOR1. IMPORTANT: When less than the standard nu

Pagina 6

14 10, 15, 20 ACCESS I 39 Actuators WCAIM2027Flow Control DivisionWorcester Controls

Pagina 7

WCAIM2027 10, 15, 20 ACCESS I 39 Actuators 15Flow Control DivisionWorcester ControlsPARTS LISTINGITEM QTY. DESCRIPTION ITEM QTY. DESCRIPTION1 1 Actuat

Pagina 8

Flow Control DivisionWorcester ControlsFlowserve Corporation has established industry leadership in the design and manufacture of its products. When p

Pagina 9 - OPERATION

2 10, 15, 20 ACCESS I 39 Actuators WCAIM2027For mounting to 818/828 Series valves, insert ISO locating ringinto groove on bottom of actuator before at

Pagina 10 - TROUBLESHOOTING

WCAIM2027 10, 15, 20 ACCESS I 39 Actuators 32. Air Supply Pressure:Standard double-acting actuators require 40-120 psig supplyair. Spring-return actua

Pagina 11 - ACTUATOR DISASSEMBLY

4 10, 15, 20 ACCESS I 39 Actuators WCAIM2027position, power to the coil and coil continuity,respectively. With the adjustment screw near its looselimi

Pagina 12 - ACTUATOR REASSEMBLY

WCAIM2027 10, 15, 20 ACCESS I 39 Actuators 524 VDC; 24, 120 VAC — SINGLE VOLTAGE ONLY(SOLENOID (POWER) AND SWITCH VOLTAGES IDENTICAL)(FAIL-CLOSED)24 V

Pagina 13 - SPRING-RETURN ACTUATOR

6 10, 15, 20 ACCESS I 39 Actuators WCAIM202724 VDC; 24, 120 VAC — DUAL VOLTAGE ONLY(SOLENOID (POWER) AND SWITCH VOLTAGES ARE DIFFERENT)(FAIL-CLOSED)24

Pagina 14 - Worcester Controls

WCAIM2027 10, 15, 20 ACCESS I 39 Actuators 724 VDC; 24, 120 VAC WITH PC BOARD AND NO SOLENOID (FAIL-CLOSED)24 VDC; 24, 120 VAC WITH PC BOARD AND NO SO

Pagina 15

8 10, 15, 20 ACCESS I 39 Actuators WCAIM2027FIGURE 2SPRING-RETURNDOUBLE-ACTING"NO SOLENOID" AIR CONNECTION BLOCK"GASKET 9AGASKET 9BGASK

Pagina 16

WCAIM2027 10, 15, 20 ACCESS I 39 Actuators 9OPERATIONA. Double-Acting with Control Block – Air is supplied to the " NPTport on the block. When t

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Flowserve 10 ACCESS I 39 Actuators Manual de usuario

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