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Electric actuator standard version/explosion-proof version
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- Contents Table of Contents
- Troubleshooting
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s-range
Electric actuator
(standard version/explosion-proof version)
Operation instructions
Assembly and commissioning
Table ofContents
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Summary of Contents for Drehmo D 30
- Page 1 s-range Electric actuator (standard version/explosion-proof version) Operation instructions Assembly and commissioning...
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Page 2: Table Of Contents
Table of contents Read operation instructions first. • Heed safety instructions. • These operation instructions are part of the product. • Store operation instructions during product life. • Pass on instructions to any subsequent user or owner of the product. Target group: This document contains information for assembly, commissioning and maintenance staff. - Page 3 Table of contents Resistance position transducer B1 (option) ....................29 Electronic position transmitter B3 (option) ....................29 Heater with heating resistor ........................31 7.10 Self-regulating additional heater (option) ....................31 8 Servicing and maintenance..........................32 Maintenance.............................. 32 Troubleshooting and corrective actions ....................32 Oil filling..............................
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Page 4: Safety
Safety 1 Safety 1.1 Prerequisites for the safe handling of the product Standards/directives The end user or the contractor must ensure that all legal requirements, directives, guidelines, national regulations and recommendations with respect to assembly, elec- trical connection, commissioning and operation are met at the place of installation. Depending on the device version, this includes: •... -
Page 5: Range Of Application
Any device modification requires prior written consent of the manufacturer. 1.2 Range of application DREHMO actuators are designed for the operation of industrial valves, e.g. globe valves, gate valves, butterfly valves and ball valves. If temperatures are to be expected at the valve flange or the valve stem, which exceed the permissible ambient temperatures, (e.g. - Page 6 Safety Potentially hazardous situation. Failure to observe this warning could NOTICE result in property damage. Is not used for personal injury. safety symbol warns of a potential personal injury hazard. The signal word (here: DANGER) indicates the level of hazard.
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Page 7: Identification
Identification 2 Identification The following section describes the characteristics allowing identification of the re- spective DREHMO actuator. 2.1 Name plates Each actuator is equipped with an actuator and a motor name plate including informa- tion required for unambiguous identification. For commissioning, service and mainten- ance, additional actuator-relevant data is indicated on the name plates. -
Page 8: Description Of The Marking According To Atex
Table1: Type code Value range – – Position Position Value range Signification DREHMO actuator Multi-turn actuator Part-turn actuator Actuator without controls Actuator with c-matic controls Actuator with i-matic or i-maticC controls Actuator for open-close operation, type of duty S2 ≤15min Type of duty for modulating actu- ator: S4 max. - Page 9 Identification Table2: Ex marking Marking Signification 0123 ID number of the notified body Group Device category Ex followed by protection types Flameproof enclosure: Motor Increased safety: Terminal compartment and limit switch compartment Constructional safety: Actuator gearing and pertain- ing output drive types Intrinsic safety: electronic position transmitter Explosion group Temperature class...
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Page 10: Transport, Storage And Packaging
Transport, storage and packaging 3 Transport, storage and packaging This section of the operation instructions deals with safe transport, appropriate storage and packaging. The information given shall avoid property damage and personal in- jury. 3.1 Transport Suspended load! DANGER Death or serious injury. à... -
Page 11: Packaging
Transport, storage and packaging • At an interval of approx. 6 months: Check uncoated surfaces for corrosion. Should traces of corrosion be detected, renew the corrosion protection. • Ensure that actuators are fully operational by performing a test run every 6 months. -
Page 12: Valve Attachment
DREHMO actuators can be mounted in any position. Mounting is easiest if the vertic- ally fitted valve shaft is freely accessible. To fix the DREHMO actuator to the final ele- ment (valve), threaded holes are provided at the actuator mounting flange. The dimen- sions of the actuator mounting flange with output drive types comply with ENISO5210 (multi-turn actuators) or ENISO5211 (part-turn actuators) standards. -
Page 13: Dismantling And Mounting Of The Modified Stem Nut (Output Drive Type A-Hp)
Valve attachment Figure6: Stem nut A Retaining ring Shim washer Axial bearing with two shim rings Stem nut Output mounting flange How to proceed 1. Dismantle output mounting flange [5] from actuator. 2. Remove retaining ring [1]. 3. Remove stem nut [4] including shim washer [2] and axial bearing with the two shim rings [3]. - Page 14 Valve attachment Figure7: Stem nut A-HP with retaining ring Output mounting flange Axial bearing with two shim rings Stem nut Shim washer Retaining ring Figure8: Stem nut A-HP with locking nut Output mounting flange Axial bearing with two shim rings Stem nut Locking nut Lubrication of bearing points required!
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Page 15: Insulating Flange
0 mm must not be fallen short of. Caution: Isolating spark gaps for lightning conditions between multi-turn actuator and pipeline are not part of the DREHMO delivery! A potential supplier is the DEHN com- pany, product TFS [Trennfunkenstrecke, German for isolation spark gaps]. -
Page 16: Assembly
Valve attachment Figure10: Rain protection hood Fan cover Rain protection hood Lugs 4.6 Assembly Direct mounting For direct mounting, the actuator is fitted without intermediate gearing to the valve. For this purpose, part-turn actuators are equipped with an unbored (standard) output drive plug sleeve. -
Page 17: End Stops In Part-Turn Actuator
DP…(R)600/900-F14 DP…(R)1200/1800-F14 DP…(R)1200/1800-F16 Indirect mounting For indirect mounting, DREHMO actuators can be supplied with base and lever or base and shaft. Connection between actuator and valve is provided by the customer (e.g. via lever arrangement). 4.7 End stops in part-turn actuator The internal end stops limit the swing angle. -
Page 18: Setting The Mechanical End Stop Screw For Part-Turn Actuators
Valve attachment Actuator type 90° DP…(R)600/900 (Ex) 23mm 13mm DP…(R)1200/1800 (Ex) 23mm 12mm The end stop screws are mechanical limits for manual operation and may not be approached during motor operation! Turn handwheel clockwise to mechanical stop, then slowly rotate one turn counter- clockwise. -
Page 19: Set End Stop Open
Valve attachment ð Turning the setting screw [4] clockwise decreases the swing angle. ð Turning the setting screw [4] counterclockwise increases the swing angle. 4. Turn setting screw [4] clockwise until end stop is reached, then turn in opposite direction by one turn. 5. -
Page 20: Electrical Connection
Electrical connection 5 Electrical connection This section deals with the electrical connection of DREHMO actuators. Safety critical aspects and information for installation and modification of the electrical connection are presented. 5.1 Important notes Electric shock due to presence of hazardous voltage if the PE conductor... -
Page 21: Connection Terminals
DREHMO actuators are not equipped with an internal protective device against fail- ures within the power circuit. 5.2 Connection terminals Various options are available for actuator connections. -
Page 22: Limit Switching Module
Limit switching module 6 Limit switching module In this chapter, the limit switching module used in DREHMO actuators is described. The limit switching module is located below the housing cover. The housing cover can be removed by unfastening the four outer screws. - Page 23 Limit switching module Figure14: Blinker transmitter in standard version Blinker transmitter...
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Page 24: Commissioning
Checks have to be performed in any intermediate valve position. In case of incorrect direction of rotation, immediately switch off and change direction of rotation. Operate DREHMO actuator in both directions and try to switch off through manual operation i.e. by means of manual operation of the switching lever via limit and/or torque switches. -
Page 25: Setting The Limit Positions
Commissioning Figure15: Torque setting Transit screw for torque adjustment Scale with setting range for torque in OPEN direction OPEN Torque switch for direction OPEN (in Setting mark standard version) Scale with setting range for torque in Transit screw for torque adjustment direction CLOSE CLOSE Torque switch for direction CLOSE (in... -
Page 26: Setting The Reduction Gearing For Multi-Turn Actuators
Commissioning dicator, slightly loosen the transit screw (refer to Setting the mechanical position indic- ator [}29]). After cam setting, fasten the screw (not too tight! Do not exceed 0.5 – 0.7Nm). Check the set tripping points by operating over full valve stroke. 7.4 Setting the reduction gearing for multi-turn actuators To re-set the reduction gearing, loosen the fastening screw and retain the shaft. - Page 27 Commissioning Figure18: Drive pinion The reduction gearing is available for a range between 1.38 and 1,450 turns per stroke (turns/stroke). The range is divided into two sections: III (1.38 – 135turns/ stroke, large gear wheel on small gear wheel) and II (12.4 – 450 turns/stroke; small gear wheel on large gear wheel).
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Page 28: Setting The Reduction Gearing For Part-Turn Actuators
Commissioning How to proceed During setting, proceed as follows: 1. If the desired turns/stroke ratio was available on delivery, the actuator has been correctly set in the factory. 2. Determine output rotations per travel (e.g. output speed per minute multiplied by operating time in minutes). -
Page 29: Resistance Position Transducer B1 (Option)
Commissioning Figure20: Mechanical position indicator Transit screw Adjustable disc for position OPEN Adjustable disc for position CLOSED Turn the indication elements to adjust the mechanical position indicator. Both discs can be turned against each other by hand (do not unfasten the screw). For this pur- pose, the valve must be operated to the respective limit position. - Page 30 Connection type 3-wire and 4-wire technology: Current end value 24mA or 20mA (for the specification refer to supplementary operation instructions DREHMO EM5.00x electronic position transmitter or DREHMO EM7.005 electronic position transmitter). If the setting was not satisfactory, reset the limit sensor setting to the factory setting and repeat the above setting procedure.
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Page 31: Heater With Heating Resistor
Commissioning • Check: The factory setting is reached once the 0/4 – 20mA signal does no longer change during actuator operation whereas the signal must either be 0 or 4mA (sensor locked). 7.9 Heater with heating resistor The heating resistor (E1 in the terminal plan) can be operated as standstill heater. Heating power is only achieved if the power supply is connected to the respective ter- minals (heed terminal plan) for the heater. -
Page 32: Servicing And Maintenance
The actuator oil filling is specified for the actuator lifetime. It is an indispensable part of the non electrical explosion protection of the device. For this reason, only oils ap- proved by DREHMO GmbH may be used for the actuators. Actuators for ambient tem-... -
Page 33: Cleaning
Servicing and maintenance peratures between –25°C to +60°C for Ex, –25°C to +80°C for non-Ex and –25°C to +60°C for non-Ex as modulating actuators are filled with oil according to the table below. The indicated oil filling applies to open-close and modulating actuators. Danger of explosion due to impermissible heating up caused by oil leak- WARNING age! -
Page 34: Disposal
Servicing and maintenance Warning instructions on the device must neither be removed nor covered by paint. Use of any cleaning agents within the actuator is not permitted. Any contamination may be removed using lintless cloths free of any contamination. Use of compressed air is not permitted. -
Page 35: Technical Data
Technical data 9 Technical data This section comprises the summary of all technical data of DREHMO actuators de- scribed in these operation instructions. 9.1 Contact and water protection The actuator enclosure protection (IP…) is indicated on the actuator name plate. In... -
Page 36: Types Of Duty For Different Versions
Technical data Determine cable cross section on the basis of motor data, cable length and the regional regulations! Available cross sections: Compact plug connector ∅150mm: Signal cables: 0.5mm – 2.5mm Standard version Power: 0.5mm – 2.5mm Option: 0.5mm – 6mm or 1.5mm –... -
Page 37: Approved Connection Terminals
Technical data Modulating actuators are generally limited to a maximum of 1,200 starts per hour (marked on the name plate as c/h) (refer to IEC60034-1). Multi-turn actuators are lim- ited to max. S2 - 15min. Excessive temperature when exceeding the max. permissible number of WARNING starts (danger of explosion!) Death or serious injury. -
Page 38: Weights And Maximum Tripping Torques
Technical data Manufacturer Designation Cross sections Dismantling Torque length 1) 0.5 – 10mm /0.5 – 10mm Phoenix USLKG 10N 10mm 1.5 – 1.8Nm 2) 0.5 – 10mm /0.5 – 6mm 1) 0.2 – 10mm Phoenix UK 6 N 10mm 1.5 – 1.8Nm 2) 0.2 –... - Page 39 Technical data Excessive temperature when exceeding the max. permissible number of WARNING starts (danger of explosion!) Death or serious injury. à Ensure that the run torque of the valve does not exceed 50% of the maximum permissible device torque unless various versions are further restricted (refer to Technical Data [}38]).
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Page 40: Externally Fixed Notes
It is not permitted to apply a top coat on these warnings. Figure24: Label with address of the manufacturer DREHMO VALVE ACTUATORS DREHMO GmbH Zum Eichstruck 10 D-57482 Wenden Phone: +49 2762 98 50-0 E-Mail: drehmo@drehmo.com... - Page 41 Blindverschraubungen durch IECEx zertifizierte Verschraubungen ersetzt werden 383879 Figure31: Label for intrinsically safe circuits with EM5.005 Zum Eichstruck 10 DREHMO D-57482 Wenden eigensichere Stromkreise/intrinsic safe circuits: ATEX-Nr. PTB 02 ATEX 2132 100 mA 0,9 W Figure32: Label for intrinsically safe circuits with EM7.005...
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Page 42: Certificates
The printed documents are up-to-date to the date of publication of these NOTICE operation instructions. à The latest version of the respective document can be downloaded at site.drehmo.com/de/downloads. Refer to 2 Z_CE-EE_Standard-DMC-DiM [}43] 2 Z_CE-EE_Standard-Ex [}44] 2 PTB15ATEX1014X [}45]... -
Page 56: Index
Index Index IP enclosure protection 7, 20, 35 Actuator enclosure protection 35 Additional gearing 24, 28 Additional heater 31 Limit positions 25 Ambient temperature 7, 36 Limit switches 25 Assembly 16 Limit switching module 22, 28 Lubrication 14, 32 Band heater 31 Blinker transmitter 22... - Page 57 Index Setting range 27, 28 Sliding gear wheel 26 Sparks 37 Standards 4 Stem nut 12, 13 Storage 10 Tandem switches 22 Technical data 35 Terminal plan 20 Torque setting 24 Torque switches 25 Torque values 24 Transit screw 24, 25, 29 Transport 10 Type code...
- Page 60 DREHMO GmbH Zum Eichstruck 10 57482 Wenden Germany Service Tel +49 2762 9850-206 Fax +49 2762 9850-205 service.ww@drehmo.com www.drehmo.com 179962/003/en/11 For detailed information on DREHMO products, refer to the Internet: www.drehmo.com...
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