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Installation, Operation and Maintenance Manual

MAN-02-01-39-0704-EN Rev. 0

July 2019

Introduction

Section 1: Introduction

1.1

General Application

Actuators are designed for "on-off" or modulating control of any quarter-turn ball,

butterfly, rotary plug or damper style valve application.

1.2

Technical Data

Supply Pressure

40-160 psig, see product nameplate

Supply Medium

Any pneumatic fluid compatible with materials of construction

Temperature Rating

Standard Range: -20°F to 210°F

Optional Range: -65°F to 300°F

Angular Rotation

90 degrees ± 8 degrees

NOTE:

Language translations of the safety related portions of this document are available at

www.emerson.com

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Section 1: Introduction

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Содержание Bettis M Series

Страница 1: ...Installation Operation and Maintenance Manual MAN 02 01 39 0704 EN Rev 0 July 2019 Bettis M Series Stainless Steel Scotch Yoke Actuators ...

Страница 2: ... 4 Section 4 Manual HandPump Hydraulic Override 4 1 Hydraulic Fluid Level 9 4 2 Remote Mounting the HandPump 9 Section 5 Integral Proximity Switch Mounting Section 6 Spring Conversion to change Operating Pressure Section 7 Failure Mode Change Spring Return Section 8 Removal of Actuator from Valve Section 9 Disassembly 9 1 Disassembly of Symmetric Yoke Actuators 14 9 2 Disassembly of Canted Yoke Ac...

Страница 3: ... Section 13 Additional Safety Instructions for Actuators used in a Potentially Explosive Atmosphere under ATEX 2014 34 EU 13 1 Marking 24 13 2 Selection 24 13 3 Installation 24 13 4 Maintenance 24 Section 14 Additional Safety Instructions for Actuators used in Emergency Shut down Service or IEC 61508 safety integrity level SIL Compliant Installations Table of Contents ...

Страница 4: ...otary plug or damper style valve application 1 2 Technical Data Supply Pressure 40 160 psig see product nameplate Supply Medium Any pneumatic fluid compatible with materials of construction Temperature Rating Standard Range 20 F to 210 F Optional Range 65 F to 300 F Angular Rotation 90 degrees 8 degrees NOTE Language translations of the safety related portions of this document are available at www...

Страница 5: ...tput shaft and prolong valve stem seal life D Cycle valve actuator assembly and confirm smooth operation E Adjust the actuator travel stops for perfect valve alignment in both open and closed positions NOTE If the valve disk is torque seated E G Vanessa butterfly close the valve against the actuator stop then unscrew the stop until turns freely then screw the stop back in until it stops then turn ...

Страница 6: ...r corrosion damage and promptly repaired Actuators should be operated at least annually to assure proper operation Figure 1 SINGLE ACTING ACTUATOR TWO CYLINDERS WITH JUMPER DOUBLE ACTING ACTUATOR TWO CYLINDERS WITH JUMPER SUPPLY SUPPLY EXHAUST EXHAUST SOLENOID OR POSITIONER SOLENOID OR POSITIONER SINGLE ACTING ACTUATOR ONE CYLINDER DOUBLE ACTING ACTUATOR ONE CYLINDER SUPPLY SUPPLY EXHAUST EXHAUST ...

Страница 7: ... leak from the jackscrew unless it has been fully retracted against its internal seal 3 2 Actuator Stroke Adjustment The jackscrew has a built in actuator stroke adjustment see Figure 2 and 3 3 3 Models 006 through 270 See Figure 2 1 Retract the jackscrew override completely by rotating counter clockwise 2 Loosen the lock nut and turn the brass adjusting screw to the desired position The handwheel...

Страница 8: ...ock nut Seal Note Air escapes unless jackscrew is fully retracted Figure 3 Jackscrew Override Models 370 575 740 OPEN SHUT OPEN SHUT Lock nut Sealed jackscrew assembly Handwheel Lock nut Stroke adjusting screw Stroke adjusting screw Figure 4 Hydraulic Override OPEN SHUT OPEN SHUT Selector valve Reservoir Handle Manual Handpump Specifications 1 Maximum reservoir fill volume 75 cu in 2 Pump relief p...

Страница 9: ...25 37 1 14 15 17 21 33 34 52 57 51 54 50 49 56 55 53 13 2 26 4 46 27 38 A A 36 5 12 6 1 3 8 9 10 11 42 48 12 1 18 19 20 13 12 1 3 5 12b 6b 2 5 8 22 13c 8a 8a Single Acting Spring Return One Piston Models 006 015 023 036 050 135 210 370 and 575 29 16 7 30 39 28 43 41 24 32 18 19 20 35 31 25 37 1 14 15 17 21 33 34 52 57 51 54 50 49 56 55 53 13 2 26 4 46 27 38 A A 36 5 12 6 1 3 8 9 10 11 42 48 12 1 1...

Страница 10: ...2 57 51 54 50 49 56 55 53 13 2 26 4 46 27 38 A A 36 5 12 6 1 3 8 9 10 11 42 48 12 1 18 19 20 13 12 1 3 5 12b 6b 2 5 8 22 13c 8a 8a Double Acting Air to Air One Piston Models 006 015 023 036 050 135 210 370 575 SECTION A A MODELS 003 1150 5 12 6 1 3 8 9 10 11 42 48 SECTION A A MODELS 1480 2380 12 1 18 19 20 22 13 14 15 42 42 2 5 5 22 SECTION A A MODELS 135 1150 YOKE SHOWN AT MID STROKE POINTER OMIT...

Страница 11: ...ter washer 18 8 SS 22 Thrust washer 18 8 SS 22 Vent Valve Brass 23 Gasket cover Fiber Fiber 23 24 Cylinder 316 SS 316 SS 24 Cylinder 316 SS 25 Piston 316 SS 316 SS 25 Piston 316 SS 26 Adaptor 316 SS 316 SS 26 Adaptor 316 SS 27 End cap 316 SS 316 SS 27 End cap 316 SS 28 Rod cover 316 SS 316 SS 28 Rod cover 316 SS 29 Seal piston rod BUNA N BUNA N 29 Seal piston rod BUNA N 30 Seal piston bolt BUNA N ...

Страница 12: ... and maintain this level as shown on the sticker 1 inch above the pump base Operate the actuator open and closed and view the fluid level to verify where the low position is Be sure to tighten the fill port plug securely CAUTION Do not exceed this fluid level or fluid may squirt out of the relief valve 4 2 Remote Mounting the HandPump The handpump is normally installed on the actuator with the fil...

Страница 13: ...y Ordered Option A Remove plastic plugs from proximity ports located on the back of the actuator housing B Insert switch and turn clockwise until switch touches ferrous activator on yoke then back off approximately 1 16 C Test switch by stroking actuator and verifying make and break of switch D Repeat procedure for second switch if required 10 Section 5 Integral Proximity Switch Mounting ...

Страница 14: ...ed and piston 25 is free C Remove 80 psi spring package and replace with desired spring package D Re assemble piston cylinder endcap and tie rods being sure to follow the tie rod tightening sequence Figure 5A Do not over tighten bolts Refer to Assembly Torque Requirements Chart Table 3 All models except 003 A Alternately and uniformly remove bolts 51 from hollow tie rods Back off each bolt approxi...

Страница 15: ...o right The top and bottom of the center housing have identical mounting flanges and output shaft dimensions Remove the vinyl pointer and indicator plate and mount them on opposite side of actuator Models 023 2380 Canted and Symmetric Yoke Actuators Except Noted Above Conversion requires removal of the spring cylinder assembly and reinstallation on the other side of the housing It is recommended t...

Страница 16: ...olts to hand tight position B Physically shift actuator back and forth to be sure there is no strain or shear stress on the bracket bolts Once it has been determined that there is no pressure or spring coil remaining in the actuator remove bolts and remove actuator and coupling from valve C In the event the valve is frozen or locked in place resulting in spring energy remaining in the actuator rep...

Страница 17: ...clearance hole and press yoke pin 6 out K Remove retaining ring 8 from output shaft Remove output shaft and yoke L Remove bushings 5 from housing Models 135 270 1150 E Disengage yoke 2 from roller bearing assembly by pulling piston rod 4 to extreme right as in Figure 5 and swing yoke 2 clear of roller bearing 10 assembly See Figure 6 F Rotate piston rod 4 90 to allow access to retaining ring 11 as...

Страница 18: ... thrust pin access hole See Figure 5A Remove the upper thrust pin retaining ring 11 from the thrust pin 9 Figure 7A I Push the thrust pin 9 and lower retaining ring 11 out through the thrust pin access hole allowing the slide blocks 10 to fall free Remove the slide blocks 10 J Remove the piston rod 4 piston rod bushings 7 yoke 2 Remove yoke bearings 5 and yoke seals 48 from the housing 1 and cover...

Страница 19: ... plate 13b side D Using a soft hammer drive output shaft 3 out through the thrust plate side of the housing 1 This will drive out the upper output shaft bushing 5 and yoke key 6b E Remove the piston rod bushings 7 from the housing 1 F Shift the yoke 2 around in the housing 1 so that the thrust pin 9 and roller bearing 10 assembly can be moved out of the yoke slot Remove the thrust pin retaining ri...

Страница 20: ... to prevent interference with piston rod 4 Models 135 270 1150 A Insert yoke key 6b into output shaft 3 B Install yoke 2 in housing 1 Slide output shaft 3 through top of housing 1 into the yoke 2 Install lubricated upper and lower bearings 5a C Install lower thrust washer 22 thrust plate 13 upper thrust washer 22 retaining ring 8 and thrust plate seal 12 if fitted Install lower bearing retaining r...

Страница 21: ...slide it through the lower slide block 10 piston rod 4 and upper slide block 10 Install the upper retaining ring 11 on the thrust pin 9 F Place joint compound on the sealing surface of the cover 18 install the cover on the housing 1 and torque the cover bolts 19 to 30 ft lb Install the short cover bolts 19 into the jack bolt holes of the cover 18 G Insert a bead of Dow Corning 732 silicone sealant...

Страница 22: ...E Lubricate piston bolt o ring 30 with Dow Corning 112 lubricant and put on piston rod Assemble piston 25 to piston rod with bolt 33 and lock washer 34 Use Locktite 262 Permanent Thread Locker on bolt threads Rotate piston before tightening piston bolt to ensure proper seating of o ring F Install cylinder gasket or lubricated o ring 46 in adaptor groove G Lubricate piston seal 31 with Dow Corning ...

Страница 23: ... lubricate bolts 51 with Whitmore s Omnitemp II grease or equal Alternately and uniformly tighten bolts 51 in hollow tie rods Tighten each bolt approximately following the sequence shown in Tie Rod Tightening Sequence Figure 8 until spring is completely compressed Be sure that each hollow tie rod slides into the counterbore in the endcap Do not over tighten bolts Refer to Assembly Torque Requireme...

Страница 24: ...generous amounts of Whitmore Omnitemp grease and install both pin retaining rings 11 D Shift the yoke 2 and piston rod 4 so that the thrust pin 11 and roller bearing 10 assembly can be inserted into the yoke slot The absence of the piston rod bushings 7 and output shaft bushings 5 allows just enough room for this process E Insert the lower output shaft bushing 5 and retaining ring 12b This bushing...

Страница 25: ...0704 EN Rev 0 Operating Instructions Section 11 Operating Instructions Operate the actuator in accordance with the pressure and temperature limits specified on the nameplate See the appropriate Bettis Catalog for technical information 22 Section 11 Operating Instructions ...

Страница 26: ...the spring to be cocked If there is any doubt that the actuator is in the failed position remove the air pressure from the actuator and install a long threaded bolt a bolt that exceeds the length of the cylinder in place of both travel stops Once the actuator has been removed from the equipment the long bolts must be removed first before the actuator can be disassembled Repair or replace a damaged...

Страница 27: ...Ensure that the equipment is suitably earthed grounded through the pipe or individually The installer should thoroughly follow the operating and safety instructions provided for each individual item of equipment When the valve is to handle hot fluids or fluids where exothermic reactions may take place the end user must take al the necessary measures to ensure that the hot surface of the valve cann...

Страница 28: ...ure and pressures consistent with the actuator nameplate and catalog limits environment free from excessive particulates operating environment consistent with the actuator materials of construction Under these conditions actuator life can exceed a million cycles 9 The recommended minimum operating interval is six months and a partial stroke is acceptable to confirm that the installation is functio...

Страница 29: ......

Страница 30: ...Longmeadow Business Estate East P O Box 6908 Greenstone 1616 Modderfontein Extension 5 South Africa T 27 11 451 3700 EUROPE Holland Fasor 6 Székesfehérvár 8000 Hungary T 36 22 53 09 50 Strada Biffi 165 29017 Fiorenzuola d Arda PC Italy T 39 0523 944 411 www emerson com bettis 2019 Emerson All rights reserved The Emerson logo is a trademark and service mark of Emerson Electric Co BettisTM is a mark...

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