Emerson Fisher 1052 User manual

www.Fisher.com

Fisher™1052 Size 20 Diaphragm Rotary Actuator

with F and G Mounting Adaptation

Contents

Introduction 1.................................

Scope of manual 1.............................

Description 1.................................

Specifications 1...............................

Principle of Operation 2........................

Installation 2..................................

Mounting Procedure 3.........................

Adjusting Spring Compression 5.................

Initial Compression 5.......................

Stroking Range 6..........................

Maintenance 6.................................

Disassembly 7................................

Assembly 7...................................

Changing Actuator Mounting 8..................

Top‐Mounted Handwheel 9......................

Parts Ordering 10...............................

Parts Kits 11...................................

Parts List 11...................................

Figure 1. Fisher 1052 Size 20 Actuator with

Positioner

W5030

Introduction

Scope of Manual

This instruction manual includes installation, adjustment, operation, maintenance, and parts information for the

1052, size 20, Style F and G diaphragm rotary actuator (figure 1), and the optional top‐mounted handwheel (figure 4).

Instructions for the control valve, rotary positioners, and accessories are included in separate manuals.

Do not install, operate, or maintain a 1052 actuator without being fully trained and qualified in valve, actuator, and

accessory installation, operation, and maintenance. To avoid personal injury or property damage, it is important to

carefully read, understand, and follow all the contents of this manual, including all safety cautions and warnings. If you

have any questions about these instructions, contact your Emerson sales office before proceeding.

Description

The spring‐and‐diaphragm actuator is used on small rotary shaft valves for throttling or on‐off applications. It mounts

to V150 Vee‐Ball™ valves, V500 valves, eccentric disk valves, and butterfly valves with 3/8 inch and 1/2 inch splined

shafts. The actuator accepts a 3610J, 3620J, or PMV positioner. A top‐mounted handwheel is available for the unit.

Specifications

Specifications are shown in table 1 for 1052 Style F & G size 20 actuators. Some specifications for a given actuator, as it

originally comes from the factory, are shown on the nameplate attached to the actuator.

Instruction Manual

D100322X012

1052 Size 20 Actuator (F & G)

February 2019

Instruction Manual

D100322X012

1052 Size 20 Actuator (F & G)

February 2019

Table 1. Specifications

Operating Principle

Direct Acting: Increasing loading pressure forces the

diaphragm rod from the top to the bottom of the

casing

Casing Pressure Ranges

J0 to 1.2 bar (0 to 18 psig), J0 to 2.3 bar

(0 to 33 psig), or J0 to 2.8 bar (0 to 40 psig)

depending on spring used

Maximum Allowable Sizing Pressure(1)

3.5 bar (50 psig)

Maximum Allowable Casing Pressure

4.1 bar (60 psig)

Maximum Rotation

90 degrees (travel is adjustable between

60 degrees and 90 degrees by travel stops)

Acceptable Valve Shaft Diameters, Inches

J9.5 mm (3/8 inch) or J12.7 mm (1/2 inch)

Stroking Time

Depends on rotation, spring rate, initial spring

compression, and supply pressure. If stroking time is

critical, consult your Emerson Automation Solutions

sales office

Material Temperature Capabilities(1)

–40 to 82°C (–40 to +180°F)

Pressure Connections

1/4 NPT internal

Mounting Configurations

See figures 2 and 3

Approximate Weight

13.6 kg (30 lb)

Top‐Mounted Handwheel Specifications

Operating Principle: Can be used for manual

operation of the actuator or as an adjustable “up''

travel stop

Diameter: 121 mm (6.75 inch)

1. Use this value to determine the maximum torque output. The pressure‐temperature limits in this manual and any applicable code or standard should not be exceeded.

Principle of Operation

Key numbers refer to figure 5. The diaphragm rod (key 10) moves down as loading pressure is increased on top of the

diaphragm (key 3). As the loading pressure is decreased, the spring (key 11) forces the diaphragm rod upward.

The spring and diaphragm are selected to meet the requirements of the application and, in service, the actuator

should produce full travel of the valve with the diaphragm pressure as indicated on the nameplate.

Consult the positioner instruction manual for actuator principle of operation with positioner.

Installation

WARNING

Always wear protective gloves, clothing, and eyewear when performing any installation operations to avoid personal

injury.

Personal injury or equipment damage caused by sudden release of pressure may result if the valve assembly is installed

where service conditions could exceed the limits given in table 1 or on the appropriate nameplates. To avoid such injury or

damage, provide a relief valve for over‐pressure protection as required by government or accepted industry codes and

good engineering practices.

Instruction Manual

D100322X012

1052 Size 20 Actuator (F & G)

February 2019

Check with your process or safety engineer for any additional measures that must be taken to protect against process

media.

If installing into an existing application, also refer to the WARNING at the beginning of the Maintenance section in this

instruction manual.

CAUTION

To avoid parts damage, do not use an operating pressure that exceeds the Maximum Diaphragm Casing Pressure (table 1)

or produces a torque greater than the Maximum Allowable Valve Shaft Torque (see Catalog 14). Use pressure‐limiting or

pressure‐relieving devices to prevent the diaphragm casing pressure from exceeding its limit.

The actuator, as it comes from the factory, is normally mounted on a valve. Follow valve instructions when installing

the control valve in the pipeline.

A 1/4 NPT pressure connection is located on top of the actuator. Run either 1/4 NPT pipe or 3/8 inch tubing between

the pressure connection and the instrument. Keep the length of tubing or pipe as short as possible to avoid

transmission lag in the control signal. If a valve positioner is used, the pressure connection to the actuator will

normally be made at the factory.

When the control valve is completely installed and connected to the actuator, check it for correct action (air‐to‐open

or air‐to‐close) to match the controlling instrument. For successful operation, the actuator stem and valve shaft must

move freely in response to the loading pressure change on the diaphragm.

Use the following steps to connect a valve and an actuator that have been ordered separately. Because the procedures

in the Mounting Procedure section require removal of initial spring compression, it is necessary to read the Spring

Compression Adjustment section before completing the installation.

Mounting Procedure

This procedure assumes that the style ordered from the factory (A, B, C or D) was correct. Key numbers refer to figure

1. Remove the positioner if one is used, and unscrew machine screws (key 40) to remove the positioner bracket or the

cover (key 39).

2. Consult figure 2 for available mounting styles and positions. The actuator is normally mounted vertically with the

valve in a horizontal pipe run.

3. Ensure all the initial spring compression has been removed from the spring. To relieve spring compression, insert a

screwdriver blade between the notches at the base of the spring adjusting screw (key 74) as shown in figure 3. Push

the tip of the screwdriver blade to the right. This rotates the spring adjusting screw counterclockwise. Continue

until the stop is reached which occurs when the spring seat (key 13) is lowered to the adjusting screw base.

4. Before sliding the valve shaft into the lever, position the valve as follows:

D For push‐down‐to‐close action, the valve should be fully open.

D For push‐down‐to‐open action, the valve should be fully closed (see the valve instruction manual).

5. Position the lever in the housing to align with the holes at each end of the housing. Compare the position of the

lever to the position shown in figure 2. Notice that when the lever is in the correct position to receive the valve

shaft, the ”down” travel stop is nearly vertical, as shown in figures 3 and 5.

Instruction Manual

D100322X012

1052 Size 20 Actuator (F & G)

February 2019

MOUNTING ACTION(1)

VALVE SERIES OR DESIGN VALVE SERIES OR DESIGN

Ball/Plug

Rotation To

Close(3)

V250 V150, V200 & V300 CV500

V500

Disk/Ball

Rotation to

V250 8510B, 8532,

8560 9500

Right‐Hand PDTC

PDTO

CCW

Left‐Hand PDTC

PDTO

CCW

Left‐Hand

(Optional)(2)

PDTC

PDTO

1. PDTC—Push‐down‐to‐close, and PDTO—Push‐down‐to‐open.

2. A left hand ball will be required for the NPS 3 through 12 Series B and the NPS 14 to 20, with or without attenuator.

3. CCW—Counterclockwise, and CW—Clockwise.

Figure 2. Mounting Styles and Positions

NOTES:

POSITION 1 IS STANDARD; POSITIONS 2 THROUGH 4 (SHOWN IN DOTTED LINES) ARE ALTERNATIVES.

STYLE D

STYLE C

STYLE B

STYLE A

RIGHT‐HAND

MOUNTING

43A6505‐A

A1584‐3

STYLE A STYLE B

STYLE D STYLE C

FLOW

RIGHT‐HAND MOUNTING

LEFT‐HAND MOUNTING

POSITION 1 POSITION 1

LEFT‐HAND

MOUNTING

6. Slide the valve shaft into the lever. Insert the lever in the opening. Tighten the valve mounting cap screws

(see table 2).

7. Remove machine screws (key 36) and remove the hub (key 29) and the travel indicator scale (key 35).

8. Reposition the hub on the splined valve shaft so that the travel indicator screw holes align with the offset portion

(where the rod end bearing connects) of the lever.

9. Loosen the hex nut (key 145) to allow the valve shaft to slide out of the clamped lever (key 27).

10. Center the lever in the opening. For newer clamping levers, torque the cap screw and nut (keys 28 and 145) to a

torque listed in table 2.

11. With the hub positioned properly, the travel scale and indicator can show the correct position of the valve and point

in the direction of flow when the valve is open. Replace the machine screws, fastening the travel indicator scale to

the housing and the travel indicator to the hub.

Instruction Manual

D100322X012

1052 Size 20 Actuator (F & G)

February 2019

12. Adjust the ”up” travel stop (key 8) so that it touches the housing, and then lock the travel stop in position with the

hex nut (key 86).

Figure 3. Spring Adjustment

W6761

NOTCHED PORTION OF SPRING ADJUSTING SCREW

DOWN TRAVEL STOP

TRAVEL

INDICATOR

UP TRAVEL STOP

CLAMPED LEVER

WARNING

To avoid personal injury and equipment damage from moving parts within the actuator, keep fingers and tools away from

the actuator when stroking the valve with the actuator cover removed.

13. Fully stroke the valve, and adjust the ”down” travel stop so that it touches the housing. Then lock the travel stop in

position with the hex nut (key 86).

Adjusting Spring Compression

Spring adjustment is shown in figure 3. Key numbers are shown in figure 5.

Initial Compression

CAUTION

To avoid adjustment error which could lead to possible product damage, comply with the following bench set adjustment

procedure.

The 1052 nameplate specifies a Spring Initial Set, which is the initial compression adjusted into the actuator spring.

Initial compression is the casing pressure at which the diaphragm (key 3) and diaphragm rod (key 10) begin to move

away from the ”up” travel stop. The initial compression was selected (based upon the service conditions specified

when the actuator was ordered) so that when the actuator and valve are in service, the valve will seat properly and full

travel will be obtained within a standard casing range of 0 to 1.2 bar (0 to 18 psig) or 0 to 2.3 bar (0 to 33 psig).

If the actuator has been disassembled or if the spring adjustment was changed, the initial compression may be

adjusted to not exceed the Spring Initial Set value on the nameplate.

Instruction Manual

D100322X012

1052 Size 20 Actuator (F & G)

February 2019

Proper bench set of the spring can only be made when the actuator ”up” travel stop has been approximately adjusted.

Insert a shaft in the actuator and adjust the ”up” travel stop before establishing spring compression (since there is no

travel stop in the upper diaphragm casing). Considerable error in adjustment is certain if the above procedure is not

followed. This error can result in under travel of the actuator when the spring goes solid or excess spring compression

has been applied.

Adjust the spring so that the diaphragm rod just starts to travel at the Spring Initial Set pressure specified on the

nameplate. To adjust the spring, remove the positioner, if one is used, or the cover. The lower part of the spring

adjusting screw is notched, as shown in figure 3. Using a screwdriver as shown in figure 3, rotate the notches to the

right to decrease spring compression or to the left to increase spring compression. Replace the positioner or the cover.

Stroking Range

If, under operating conditions, the stroking range does not match the intended casing pressure, it may be possible to

shift the stroking range by making a spring adjustment to change the initial spring compression. A spring adjustment

will shift the casing pressure span and will equally increase (or decrease) the casing pressure at which the actuator

begins to stroke and the pressure at which the actuator reaches full travel.

To adjust the spring, remove the positioner, if one is used, or the cover. The lower part of the spring adjusting screw is

notched. Using a screwdriver as shown in figure 3, rotate the notches to the right to shift the casing pressure span

downward, or to the left to shift the casing pressure span upward. Replace the positioner or the cover.

Maintenance

Actuator parts are subject to normal wear and must be inspected and replaced as necessary. The frequency of

inspection and replacement depends upon the severity of service conditions. Instructions are given below for

disassembly and assembly of parts. Key numbers are shown in figure 5, unless otherwise noted.

WARNING

Avoid personal injury or property damage from sudden release of process pressure or uncontrolled movement of parts.

Before performing any maintenance operations:

D Always wear protective gloves, clothing, and eyewear when performing any maintenance operations to avoid personal

injury.

D Disconnect any operating lines providing air pressure, electric power, or a control signal to the actuator. Be sure the

actuator cannot suddenly open or close the valve.

D Use bypass valves or completely shut off the process to isolate the valve from process pressure. Relieve process pressure

from both sides of the valve. Drain the process media from both sides of the valve.

D Vent the power actuator loading pressure and relieve any actuator spring precompression.

D Use lock‐out procedures to be sure that the above measures stay in effect while you are working on the equipment.

D The valve packing box may contain process fluids that are pressurized, even when the valve has been removed from the

pipeline. Process fluids may spray out under pressure when removing the packing hardware or packing rings, or when

loosening the packing box pipe plug.

D Check with your process or safety engineer for any additional measures that must be taken to protect against process

media.

Instruction Manual

D100322X012

1052 Size 20 Actuator (F & G)

February 2019

Table 2. Recommended Bolting Torques

DESCRIPTION KEY NUMBER

TORQUE

Sizes NSm LbfSft

Casing Diaphragm 5/6 3/8‐24 27 20

Diaphragm to rod 9 5/16‐18 22 16

Rod end to lever 18 5/16‐18 22 16

To Yoke 23 3/8‐16 34 25

Travel Stop nut 86 5/16‐18 27 20

Clamped lever 145/28 5/16‐18 27 20

Disassembly

The following procedure describes how the actuator can be completely disassembled. When inspection or repairs are

required, disassemble only those parts necessary to accomplish the job.

1. Isolate the operating equipment from its process. Release process pressure, vent all actuator loading pressure, and

remove the tubing or pipe from the top of the actuator.

2. Remove positioner, if applicable, or remove the machine screws (key 40) and remove the cover (key 39).

3. Rotate the handwheel (if one is used) counterclockwise to be sure the handwheel is not compressing the spring

(key 11).

WARNING

Be sure to relieve spring compression before loosening the diaphragm casing cap screws and nuts (keys 5 and 6). Personal

injury can occur if spring compression forces the upper diaphragm casing (key 1) from the actuator.

4. To relieve spring compression, insert a screwdriver blade between the notches at the bottom of the spring

adjusting screw (key 74) as shown in figure 3. Push the screwdriver tip to the right to rotate the adjusting screw

until a stop is reached.

5. Loosen the hex nut (key 145) to allow the valve shaft to slide out of the clamped lever (key 27).

6. Remove the valve mounting cap screws. Slide the valve shaft out of the lever.

7. Unscrew and remove casing cap screws and nuts (keys 5 and 6). Remove the upper casing and the diaphragm (key

3).

8. Heat the cap screw (key 18) to 177_C (350_F) long enough for the medium strength thread‐locking compound (key

77) to lose its holding strength. Then, remove the cap screw (key 18). This separates the actuator rod and rod end

bearing from the lever.

9. Pull the diaphragm plate (key 4) and attached diaphragm rod out of the actuator. Remove the cap screw (key 9) to

separate the diaphragm plate and diaphragm rod.

10. Remove the actuator spring (key 11) from the actuator, lift out the spring adjusting screw (key 74), the spring seat

(key 13), and the thrust washer (key 71).

11. Check the condition of the bearing (key 31). If replacement of the bearing is necessary, the travel indicator (key 37)

must first be removed by removing the machine screws (key 38). Then, the hub (key 29) and travel indicator scale

(key 35) must be removed by removing the self‐tapping screws or cap screws (key 36). Mark the orientation of the

travel indicator scale with respect to the actuator housing before removing it.

Assembly

This procedure assumes that the actuator was completely disassembled. If not, start these instructions at the

appropriate step. Key numbers are shown in figure 5. Use bolt torques in table 2. Before assembly, apply lithium

grease to the threads of the spring adjusting screw (key 74), to the inside of the lever (key 27), and to the valve shaft.

Instruction Manual

D100322X012

1052 Size 20 Actuator (F & G)

February 2019

1. Replace the bushing (key 31) if it was removed.

2. If the diaphragm rod/bearing assembly (key 10) was removed from the actuator and separated from each other,

thread the rod into the bearing.

3. Bolt the rod end bearing to the lever (key 27) with cap screw (key 18). Coat the threads of the cap screw with

medium strength thread‐locking compound.

4. If necessary, assemble the lever using two travel stop studs (key 8) and locking nuts (key 86) for old and new style

levers. Newer levers are clamped, and will also require that you install the cap screw (key 28) and thread the lock nut

(key 145) in place, but do not tighten it at this time.

5. Place the lever, rod end bearing, and diaphragm rod into the actuator with the diaphragm rod inside the diaphragm

housing (key 20).

6. Install the thrust washer (key 71), followed by the spring adjusting screw (key 74), the spring seat (key 13), and the

spring (key 11) into the diaphragm housing.

7. Attach the diaphragm plate (key 4) to the diaphragm rod with cap screw (key 9) and washer (key 79). Apply lithium

grease (key 76) to the portion of the rod that fits into the diaphragm plate.

8. Replace the diaphragm (key 3). Position the diaphragm casing (key 1) in place on the diaphragm housing (key 20).

Secure the diaphragm casing with cap screws and nuts (keys 5 and 6). Ensure that the warning plate (key 56) is

replaced on the casing.

9. Attach the valve to the actuator, and position the travel indicator as described in the Mounting Procedure section.

10. Adjust the initial spring compression as described in the Adjusting Spring Compression section.

Changing Actuator Mounting

The actuator is normally positioned vertically in a horizontal pipeline. However, each style can be mounted in four

possible mounting styles and four possible positions. See figure 2.

WARNING

Avoid personal injury or property damage from sudden release of process pressure or uncontrolled movement of parts.

Before performing any maintenance operations:

D Always wear protective gloves, clothing and eyewear when performing any maintenance operations to avoid personal

injury.

D Disconnect any operating lines providing air pressure, electric power, or a control signal to the actuator. Be sure the

actuator cannot suddenly open or close the valve.

D Use bypass valves or completely shut off the process to isolate the valve from process pressure.Relieve process

pressure from both sides of the valve. Drain the process media from both sides of the valve.

D Vent the power actuator loading pressure and relieve any actuatorspring precompression.

D Use lock‐out procedures to be sure that the above measures stay in effect while you are working on the equipment.

D The valve box may contain process fluids that are pressurized, even when the valve has been removed from the pipeline.

Process fluids may spray out under pressure when removing the packing hardware or packing rings, or when loosening

the packing box pipe plug.

D Check with your process or safety engineer for any additional measures that must be taken to protect against process

media.

Style A is right‐hand mounted while style D is left‐hand mounted. In all other ways the styles A and D are identical.

Style B is right‐hand mounted while style C is left‐hand mounted. In all other ways the styles B and C are identical.

Instruction Manual

D100322X012

1052 Size 20 Actuator (F & G)

February 2019

Use the following procedure to convert from styles A and D to styles B and C (or vice versa) or to change the mounting

position.

1. Follow steps 1 through 6 in the Disassembly portion of the Maintenance section.

2. If changing styles,

a. Unscrew cap screws (key 23), and remove the actuator housing (key 20) from the mounting yoke (key 22).

b. Rotate the housing 180 degrees, maintaining the appropriate position (1, 2, 3, 4), and place the actuator onto

the mounting yoke.

3. If changing position, unscrew cap screw (key 23), and rotate the actuator housing to the desired position. Consult

table 2 for appropriate bolt torques.

4. Secure actuator housing (key 20) to the mounting yoke (key 22) with cap screws (key 23). Consult table 2 for

appropriate bolt torques.

5. Follow steps in the Mounting Procedure section to connect the actuator to the valve.

6. Adjust initial spring compression as described in the Adjusting Spring Compression section.

Top-Mounted Handwheel

Key numbers used in this section are shown in figure 4 except where indicated.

The optional top‐mounted handwheel, shown in figure 4, can be used as a manual actuator or as an adjustable ”up”

travel stop to limit full retraction of the diaphragm rod (key 10, figure 5).

The handwheel assembly is attached to a special upper diaphragm casing (key 1, figure 5) with cap screws (key 141). A

hex nut (key 137) locks the handwheel in position.

Turning the handwheel (key 51) clockwise into the upper casing forces the pusher plate (key 135) against the

diaphragm and diaphragm plate (keys 3 and 4, figure 5) to compress the spring (key 11, figure 5) and move the

diaphragm rod downward. Turning the handwheel counterclockwise allows the actuator spring to move the

diaphragm rod upward. If the valve is ”push‐down‐to‐close”, full opening can be restricted by positioning the

handwheel at the desired position. If the valve is ”push‐down‐to‐open,” full closing of the valve can be restricted by

using the handwheel.

Instructions are given below for complete disassembly and assembly required for inspection and parts replacement.

Disassembly

WARNING

To avoid personal injury from the precompressed spring force thrusting the upper diaphragm casing (key 1, figure 5) away

from the actuator, relieve spring compression before diaphragm casing bolting is loosened.

1. Remove the upper diaphragm casing (key 1, figure 5) by following steps 1 through 5, and 7 of the Disassembly part

of the Maintenance section.

2. Remove the cotter pin, hex nut, handwheel, and locknut (keys 247, 54, 51, and 137). Unscrew the stem (key 133)

out through the actuator end of the handwheel body (key 142).

Instruction Manual

D100322X012

1052 Size 20 Actuator (F & G)

February 2019

3. Remove cap screws (key 141), and separate the handwheel assembly from the upper casing.

4. Check the condition of the O‐rings (keys 138 and 139); replace them if necessary.

5. If it is necessary to remove the pusher plate (key 135), drive out the groove pin (key 140).

Assembly

1. Before assembling the actuator, lubricate the thread of the stem (key 133) and the bearing surfaces of the stem and

pusher plate (key 135) with lithium grease.

2. If the pusher plate was removed, re‐attach it to the stem, and drive in a new groove pin (key 140).

3. Apply lithium grease (key 241) to the O‐rings (keys 138 and 139). With the O‐rings in place, thread the stem into

the handwheel assembly.

4. Attach the handwheel assembly to the upper diaphragm casing (key 1, figure 5) with cap screws (key 141).

5. Re‐install the locknut, handwheel, hex nut, and cotter pin (keys 137, 51, 54, and 247).

6. Re‐install the diaphragm casing, making certain the warning tag is in place on the casing flange.

7. Tighten the cap screws (key 5, figure 5) evenly in a criss‐cross pattern to the torque shown in table 2.

8. Adjust the initial spring compression as described in the Adjusting Spring Compression section.

Parts Ordering

Each actuator has a nameplate attached to the actuator housing and a serial number stamped on it. Always refer to

this serial number when corresponding with your Emerson sales office regarding replacement parts or technical

information.

WARNING

Use only genuine Fisher replacement parts. Components that are not supplied by Emerson Automation Solutions should

not, under any circumstances, be used in any Fisher valve, because they may void your warranty, might adversely affect the

performance of the valve, and could cause personal injury and property damage.

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