rotork LP/S Series Installation, Comissioning And Maintenance Manual
  1. Manuals
  2. Brands
  3. rotork Manuals
  4. Controller
  5. LP/S Series
  6. Installation, comissioning and maintenance manual

rotork LP/S Series Installation, Comissioning And Maintenance Manual

Pneumatic actuator. single-acting configuration
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
LP/S
Range
Pneumatic Actuator
Single-Acting Configuration
Installation, Commissioning and
Maintenance Manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the LP/S Series and is the answer not in the manual?

Questions and answers

Related Manuals for rotork LP/S Series

Summary of Contents for rotork LP/S Series

  • Page 1 LP/S Range Pneumatic Actuator Single-Acting Configuration Installation, Commissioning and Maintenance Manual...

  • Page 2: Table Of Contents

    Rotork reserves the right to modify, amend and improve this manual without notice. Installation, Commissioning and Maintenance Manual...

  • Page 3: Introduction

    For technical assistance, please contact Rotork Customer Service: • UNI EN ISO 7010: Safety Signals E-mail: rfs.internationalservice@rotork.com Rotork, Via Padre Jaques Hamel 138B, Porcari, Lucca, IT. Tel: +39 0583-222-1 Rotork plc, Brassmill Lane, Bath, UK. Tel +44 (0)1225 733200 Keeping the World Flowing...

  • Page 4: General Information

    Appropriate Usage Preventive measures Operators must use P.P.Ds and any Rotork LP range actuators have been specifically developed to other equipment (breathing apparatus) motorize linear valves, such as gate valves, or globe valves. based on the type of supply medium.

  • Page 5: Magnetic Risks

    Do not disassemble the actuator during dismantling. Follow instructions Fig 5.1 Actuator label in the manual and contact Rotork. The TX surface temperature class is not provided since the actuator has no internal heat source. Maximum actuator Magnetic Risks temperature is near the environmental or exercise fluid temperature, whichever is the greater.

  • Page 6: Operating Limits

    Operating Limits Tightening Torque Chart Temperature: -30 to +100 °C for standard applications -20 to +100 °C for PED applications RECOMMENDED TIGHTENING TORQUE (Class 8.8 bolts) -40 to +100 °C for low temperature application Bolt Size Ft. Lbs -60 to +100 °C for ultra-low temperature application Design pressure: up to 12 barg...

  • Page 7: Handling & Lifting

    Handling & Lifting • Angle β must be between 0° and 45° as shown below. Only trained and experienced personnel should handle/lift the actuator. The actuator is supplied packed on pallets suitable for normal handling. Handle the actuator with care. Never stack pallets. Direction of Pull Lifting Recommendations...
  • Page 8 Handling & Lifting Fig 7.1 Lifting LP/S type 0 Fig 7.2 Lifting LP/S type 1 and type 2 Installation, Commissioning and Maintenance Manual...

  • Page 9: Storage

    Storage Long Term Storage Rotork actuators are fully tested before leaving the factory. If long term storage is necessary, further operations must be carried out to maintain the actuator in a good working To keep actuator in good condition until installation, at least...

  • Page 10: Installation On Valve

    Prior to performing any operations check the • Screws operating drawings and TAG numbers. Consult Rotork for any additional information. Actuator side 10.1 Preliminary Actions Verify the ATEX classification of the actuator is compatible with the plant zoning. Refer to actuator...

  • Page 11: Assembly Configurations

    Removal shall be performed only by qualified staff, wearing/using appropriate personal protection devices. Do not remove the actuator if the valve is blocked in the intermediate position. Contact Rotork Customer Service. To disassemble the actuator from the valve, proceed as follows: •...

  • Page 12: Operation

    • A pneumatic cylinder, made of carbon steel. Rotork products. Read and save all instructions prior to installing, operating and servicing this product. The cylinder tube is electroless nickel plated internally, to...

  • Page 13: Actuator Code And Design

    12.0 Operation 12.2 Actuator Code and Design Actuator LP/S Type 0 Main components of LP/S type 0 actuator are shown Below the actuator reading key: in Fig 12.1 and Fig 12.2. P / S D - 9 3 5 A / M -C1 - H P ACTUATOR TYPE L = LINEAR TYPE SUPPLY TYPE...

  • Page 14: Operating Description

    12.0 Operation Actuator LP/S Type 1 and 2 12.3 Operating Description Main components of LP/S type 1 and type 2 actuator are Please refer to the Operating Diagram supplied for the shown in Fig 12.3, Fig 12.4, Fig 12.5 and Fig 12.6. specific actuator.

  • Page 15: Mechanical Manual Override Single-Acting Actuator

    12.0 Operation 12.5 Mechanical Manual Override Instructions to engage or disengage the override are reported Single-Acting Actuator on the plate installed on manual override: The mechanical manual override can be of two types: • Type MH: With a jackscrew with protection pipe •...
  • Page 16 12.0 Operation Type MHD mechanical manual override Instructions to engage or disengage the override are reported on the plate installed on manual override: Fig 12.8 Type MHD mechanical override up to actuator cylinder size 200 Fig 12.10 Instructions plate for MHD manual override Fail to close, single-acting actuator: •...

  • Page 17: Hydraulic Manual Override Single-Acting Actuator

    12.0 Operation 12.6 Hydraulic Manual Override Filling procedure Single-Acting Actuator If the actuator is shipped without oil in the HPA, please refer to filling procedure described in PM-LP-005. Type HPA hydraulic manual override The unit consists of two main components: Operation with Hydraulic Pump •...

  • Page 18: Linear Stroke Setting

    12.0 Operation 12.7 Linear Stroke Setting Certain valves incorporate their own stops. For such valves, it is recommended that the actuator stop bolt positions coincide with the valve stop position. Contact the valve manufacturer to set the valve mechanical stops. An incorrect setting of linear stroke could cause damages to actuator, valve and/or to personnel.
  • Page 19 12.0 Operation Single-acting actuator, type 1 and type 2, With the help of a suitable size wrench, rotate the stop cylinder stop bolt setting bolt (3) clockwise to decrease the angular stoke Perform the following operations as first setting. J. Remove the pressure Adjust the stop bolt located in the end flange of the cylinder K.
  • Page 20 12.0 Operation Single acting actuator with HPA type manual override, H. To decrease linear stroke, rotate stop bolt (3) clockwise cylinder stop bolt setting Remove pressure Perform the following operations as first setting. J. Verify the newly obtained angular position with one stroke Adjust the stop bolt located in the end flange of the hydraulic K.

  • Page 21: Pneumatic Power Supply

    12.0 Operation 12.8 Pneumatic Power Supply Verify allowed supply pressure range on actuator label. Exhaust port Verify medium composition. Contact Rotork to check the compatibility with the supply medium. 12.9 Pneumatic Connections Preliminary Operations A. Verify sizes of pipes and fittings according to applicable...

  • Page 22: Electrical Connections

    12.0 Operation 12.10 Electrical Connections 12.11 Start Up During the start-up of the actuator, it is necessary to check if: Check electrical components supply voltage, before start-up. • Medium supply pressure is as prescribed • The feed voltage values of electrical components Access to live electrical conductors is forbidden in (solenoid valves coils, limit switches, pressure switches hazardous areas unless done under a special permit.

  • Page 23: Dismantling & Disposal

    Should you require technical assistance or spares, Rotork guarantees For Single-Acting Actuator the best service in the world. Contact your local Rotork representative or the factory direct at the address on the The spring cartridge module contains potential nameplate, quoting the actuator type and serial number.

  • Page 24: Troubleshooting

    Loss of power pressure exceeds the required valve torque • Replace seals according to instructions reported • Leakage from cylinder in PM-LP-006, PM-LP-007 For other problems, please contact Rotork. Installation, Commissioning and Maintenance Manual...

  • Page 25: Periodic Maintenance

    16.0 Periodic Maintenance Rotork recommends performing the following checks to help comply with the rules and regulations of the country of final installation: Remove pressure before proceeding with maintenance operations, discharge any accumulators or tanks (if present), except where otherwise indicated.
  • Page 26 16.0 Periodic Maintenance PM-LP-001 Page:1/1 Component: Single-acting actuator Task: Cleaning Equipment, Tools, Materials: Warnings: Air Compressor Project documentation (Design and Operating pressure values) Preliminary Operations: Description: Remove electric and pneumatic supply before proceeding. 1. Remove dust from actuator external surface with a dust rag and by blowing air Do not polish/rub non-metal surfaces with a dry cloth.
  • Page 27 16.0 Periodic Maintenance PM-LP-002 Page:1/1 Component: Single-acting actuator Task: Functional test Equipment, Tools, Materials: Warnings: Chronometer Project documentation (required stroke times) Preliminary Operations: Description: NOTE: Actuator must be connected to the pneumatic supply to perform the following test. 1. Operate the actuator 2.
  • Page 28 16.0 Periodic Maintenance PM-LP-003 Page: 1/1 Component: Mechanical manual override Task: Manual override functional test Equipment, Tools, Materials: Warnings: Project documentation Preliminary Operations: Description: Opening operation 1. Verify the absence of pressure 2. Verify the actuator is in its fail position, spring relaxed (for single-acting actuator) 3.
  • Page 29 16.0 Periodic Maintenance PM-LP-004 Page: 1/1 Component: Electrical components (if present) Task: Check electrical components (if present) and grounding connections Equipment, Tools, Materials: Warnings: Project documentation Preliminary Operations: Description: Switch off electric power supply before working on electrical devices. Read and follow the safety precautions reported in the Manufacturer’s Maintenance Manual. Risk of temporary modification of the component protection.
  • Page 30 16.0 Periodic Maintenance PM-LP-005 Page: 1/1 Component: Hydraulic manual override for single-acting actuator Task: Hydraulic oil replacement Equipment, Tools, Materials: Warnings: Project documentation Wrench Preliminary Operations: Description: Tasks must be executed with the tank in vertical position and with the actuator in fail position. Verify the absence of pneumatic pressure.
  • Page 31 16.0 Periodic Maintenance PM-LP-006a Page: 1/10 Component: Single-acting actuator Task: LP type 0 pneumatic cylinder seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting clump Lifting tools Project documentation Preliminary Operations: Removal from Valve Description: Note: the following instructions apply to single-acting actuator unless otherwise specified. Cut-off power supply and electric power supply (if present) before performing any operation.
  • Page 32 If, during the nuts (4) unfastening the end flange (6) suffers a continuous load upwards along with nuts (4), stop and fasten back the nuts (4). Contact Rotork Service Department. At the beginning of the nuts (4) unfastening the flange (6) will be pushed upwards by the pre-compressed spring load.
  • Page 33 16.0 Periodic Maintenance PM-LP-006a Page: 3/10 Component: Single-acting actuator Task: LP type 0 pneumatic cylinder seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR SPRING DOWN ONLY 12. Remove spacer (9) INSTRUCTION VALID FOR SPRING DOWN ONLY 13.
  • Page 34 16.0 Periodic Maintenance PM-LP-006a Page: 4/10 Component: Single-acting actuator Task: LP type 0 pneumatic cylinder seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR SPRING DOWN ONLY 15. Unfasten screws (15) and remove spring cartridge away from piston (11) INSTRUCTION VALID FOR SPRING UP ONLY 16.
  • Page 35 16.0 Periodic Maintenance PM-LP-006a Page: 5/10 Component: Single-acting actuator Task: LP type 0 pneumatic cylinder seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR BOTH SPRING DOWN AND SPRING UP 18 17 20.
  • Page 36 16.0 Periodic Maintenance PM-LP-006a Page: 6/10 Component: Single-acting actuator Task: LP type 0 pneumatic cylinder seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR BOTH SPRING DOWN AND SPRING UP 24.
  • Page 37 16.0 Periodic Maintenance PM-LP-006a Page: 7/10 Component: Single-acting actuator Task: LP type 0 pneumatic cylinder seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR BOTH SPRING DOWN AND SPRING UP 32.
  • Page 38 16.0 Periodic Maintenance PM-LP-006a Page: 8/10 Component: Single-acting actuator Task: LP type 0 pneumatic cylinder seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR SPRING DOWN ONLY 36. Re-install spring cartridge on piston (11) and fasten screws (15) INSTRUCTION VALID FOR SPRING DOWN ONLY 37.
  • Page 39 16.0 Periodic Maintenance PM-LP-006a Page: 9/10 Component: Single-acting actuator Task: LP type 0 pneumatic cylinder seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR SPRING DOWN ONLY 39. Replace spacer (9) INSTRUCTION VALID FOR SPRING DOWN ONLY 36.
  • Page 40 16.0 Periodic Maintenance PM-LP-006a Page: 10/10 Component: Single-acting actuator Task: LP type 0 pneumatic cylinder seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR SPRING UP ONLY 40. Slide piston (11) and piston rod (12) INSTRUCTION VALID FOR SPRING UP ONLY 41.
  • Page 41 16.0 Periodic Maintenance PM-LP-006b Page: 1/10 Component: Single-acting actuator Task: LP type 1 and type 2 pneumatic cylinder seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting clump Lifting tools Project documentation Preliminary Operations: Removal from Valve Description: Note: the following instructions apply to single-acting actuator unless otherwise specified. Cut-off power supply and electric power supply (if present) before performing any operation.
  • Page 42 12. Remove cylinder tube (9) using suitable lifting tools If as soon as you start unfastening nuts (6) the end flange (7) suffers a load upwards along with nuts (6), stop and fasten back the nuts (6). Contact Rotork Service Department. Installation, Commissioning and Maintenance Manual...
  • Page 43 16.0 Periodic Maintenance PM-LP-006b Page: 3/10 Component: Single-acting actuator Task: LP type 1 and type 2 pneumatic cylinder seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR SPRING DOWN ONLY 13.
  • Page 44 If as soon as you start unfastening nuts (6) the end flange (7) suffers a load upwards along with nuts (6), stop and fasten back the nuts (6). Contact Rotork Service Department. INSTRUCTION VALID FOR SPRING UP ONLY 20. Slide piston (11) and piston rod (12)
  • Page 45 16.0 Periodic Maintenance PM-LP-006b Page: 5/10 Component: Single-acting actuator Task: LP type 1 and type 2 pneumatic cylinder seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR BOTH SPRING DOWN AND SPRING UP 21.
  • Page 46 16.0 Periodic Maintenance PM-LP-006b Page: 6/10 Component: Single-acting actuator Task: LP type 1 and type 2 pneumatic cylinder seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR BOTH SPRING DOWN AND SPRING UP 25.
  • Page 47 16.0 Periodic Maintenance PM-LP-006b Page: 7/10 Component: Single-acting actuator Task: LP type 1 and type 2 pneumatic cylinder seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR BOTH SPRING DOWN AND SPRING UP 33.
  • Page 48 16.0 Periodic Maintenance PM-LP-006b Page: 8/10 Component: Single-acting actuator Task: LP type 1 and type 2 pneumatic cylinder seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR SPRING DOWN ONLY 37.
  • Page 49 16.0 Periodic Maintenance PM-LP-006b Page: 9/10 Component: Single-acting actuator Task: LP type 1 and type 2 pneumatic cylinder seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR SPRING DOWN ONLY 39.
  • Page 50 16.0 Periodic Maintenance PM-LP-006b Page: 10/10 Component: Single-acting actuator Task: LP type 1 and type 2 pneumatic cylinder seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR SPRING UP ONLY 41.
  • Page 51 16.0 Periodic Maintenance PM-LP-007 Page: 1/10 Component: Single-acting actuator Task: Hydraulic cylinder for manual override seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve Description: Note: the following instructions apply to single-acting actuator unless otherwise specified. Cut-off power supply and electric power supply (if present) before performing any operation.
  • Page 52 16.0 Periodic Maintenance PM-LP-007 Page: 2/10 Component: Single-acting actuator Task: Hydraulic cylinder for manual override seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve 11. Hold stop nut (4) with a wrench, unscrew and remove cap nut (1) with seal washer (2) 12.
  • Page 53 16.0 Periodic Maintenance PM-LP-007 Page: 3/10 Component: Single-acting actuator Task: Hydraulic cylinder for manual override seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve 14. Fully unscrew stop bolt (3) and remove seal washer (2) 15.
  • Page 54 16.0 Periodic Maintenance PM-LP-007 Page: 4/10 Component: Single-acting actuator Task: Hydraulic cylinder for manual override seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR SPRING UP ONLY 19. Remove piston (11) and piston rod (12) assembly INSTRUCTION VALID FOR SPRING UP ONLY 20.
  • Page 55 16.0 Periodic Maintenance PM-LP-007 Page: 5/10 Component: Single-acting actuator Task: Hydraulic cylinder for manual override seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR SPRING DOWN ONLY 22. Remove sliding rings (11) and O-ring (12) INSTRUCTION VALID FOR SPRING DOWN ONLY 23.
  • Page 56 16.0 Periodic Maintenance PM-LP-007 Page: 6/10 Component: Single-acting actuator Task: Hydraulic cylinder for manual override seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR SPRING UP ONLY 27. Replace sliding ring (11) and O-ring (12) INSTRUCTION VALID FOR SPRING UP ONLY 28.
  • Page 57 16.0 Periodic Maintenance PM-LP-007 Page: 7/10 Component: Single-acting actuator Task: Hydraulic cylinder for manual override seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR SPRING DOWN ONLY 31. Replace O-ring (17) 32.
  • Page 58 16.0 Periodic Maintenance PM-LP-007 Page: 8/10 Component: Single-acting actuator Task: Hydraulic cylinder for manual override seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR SPRING DOWN AND SPRING UP 35.
  • Page 59 16.0 Periodic Maintenance PM-LP-007 Page: 9/10 Component: Single-acting actuator Task: Hydraulic cylinder for manual override seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve 39. Hold stop bolt with a wrench and tighten stop nut (4) 40.
  • Page 60 16.0 Periodic Maintenance PM-LP-007 Page: 10/10 Component: Single-acting actuator Task: Hydraulic cylinder for manual override seals replacement Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve 41. Assemble hydraulic pump (3) with its support and tighten bolts (S) 42.
  • Page 61 16.0 Periodic Maintenance PM-LP-008a Page: 1/8 Component: Single-acting actuator Task: Manual Handwheel MH and MHD seals replacement LP/SD and LP/SU actuator, cylinder up to size 235 Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting clump Lifting tools Project documentation Preliminary Operations: Removal from Valve Description: Note: the following instructions apply to single-acting actuator unless otherwise specified.
  • Page 62 16.0 Periodic Maintenance PM-LP-008a Page: 2/8 Component: Single-acting actuator Task: Manual Handwheel MH and MHD seals replacement LP/SD and LP/SU actuator, cylinder up to size 235 Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve 7.
  • Page 63 16.0 Periodic Maintenance PM-LP-008a Page: 3/8 Component: Single-acting actuator Task: Manual Handwheel MH and MHD seals replacement LP/SD and LP/SU actuator, cylinder up to size 235 Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve 10.
  • Page 64 16.0 Periodic Maintenance PM-LP-008a Page: 4/8 Component: Single-acting actuator Task: Manual Handwheel MH and MHD seals replacement LP/SD and LP/SU actuator, cylinder up to size 235 Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve 14.
  • Page 65 16.0 Periodic Maintenance PM-LP-008a Page: 5/8 Component: Single-acting actuator Task: Manual Handwheel MH and MHD seals replacement LP/SD and LP/SU actuator, cylinder up to size 235 Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR LP/SU ONLY 18.
  • Page 66 16.0 Periodic Maintenance PM-LP-008a Page: 6/8 Component: Single-acting actuator Task: Manual Handwheel MH and MHD seals replacement LP/SD and LP/SU actuator, cylinder up to size 235 Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve 21.
  • Page 67 16.0 Periodic Maintenance PM-LP-008a Page: 7/8 Component: Single-acting actuator Task: Manual Handwheel MH and MHD seals replacement LP/SD and LP/SU actuator, cylinder up to size 235 Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve 25.
  • Page 68 16.0 Periodic Maintenance PM-LP-008a Page: 8/8 Component: Single-acting actuator Task: Manual Handwheel MH and MHD seals replacement LP/SD and LP/SU actuator, cylinder up to size 235 Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve 28.
  • Page 69 16.0 Periodic Maintenance PM-LP-008b Page: 1/10 Component: Single-acting actuator Task: Manual Handwheel MH and MHD seals replacement LP/SD and LP/SU actuator, cylinder from size 235 to 385 Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting clump Lifting tools Project documentation Preliminary Operations: Removal from Valve Description: Note: the following instructions apply to single-acting actuator unless otherwise specified.
  • Page 70 16.0 Periodic Maintenance PM-LP-008b Page: 2/10 Component: Single-acting actuator Task: Manual Handwheel MH and MHD seals replacement LP/SD and LP/SU actuator, cylinder from size 235 to 385 Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR MH HANDWHEEL ONLY 7.
  • Page 71 16.0 Periodic Maintenance PM-LP-008b Page: 3/10 Component: Single-acting actuator Task: Manual Handwheel MH and MHD seals replacement LP/SD and LP/SU actuator, cylinder from size 235 to 385 Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR MHD HANDWHEEL ONLY 11.
  • Page 72 16.0 Periodic Maintenance PM-LP-008b Page: 4/10 Component: Single-acting actuator Task: Manual Handwheel MH and MHD seals replacement LP/SD and LP/SU actuator, cylinder from size 235 to 385 Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR MHD HANDWHEEL ONLY 14.
  • Page 73 16.0 Periodic Maintenance PM-LP-008b Page: 5/10 Component: Single-acting actuator Task: Manual Handwheel MH and MHD seals replacement LP/SD and LP/SU actuator, cylinder from size 235 to 385 Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve 18.
  • Page 74 16.0 Periodic Maintenance PM-LP-008b Page: 6/10 Component: Single-acting actuator Task: Manual Handwheel MH and MHD seals replacement LP/SD and LP/SU actuator, cylinder from size 235 to 385 Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve 21.
  • Page 75 16.0 Periodic Maintenance PM-LP-008b Page: 7/10 Component: Single-acting actuator Task: Manual Handwheel MH and MHD seals replacement LP/SD and LP/SU actuator, cylinder from size 235 to 385 Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve 25.
  • Page 76 16.0 Periodic Maintenance PM-LP-008b Page: 8/10 Component: Single-acting actuator Task: Manual Handwheel MH and MHD seals replacement LP/SD and LP/SU actuator, cylinder from size 235 to 385 Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR MH HANDWHEEL ONLY 27.
  • Page 77 16.0 Periodic Maintenance PM-LP-008b Page: 9/10 Component: Single-acting actuator Task: Manual Handwheel MH and MHD seals replacement LP/SD and LP/SU actuator, cylinder from size 235 to 385 Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR MHD HANDWHEEL ONLY 33.
  • Page 78 16.0 Periodic Maintenance PM-LP-008b Page: 10/10 Component: Single-acting actuator Task: Manual Handwheel MH and MHD seals replacement LP/SD and LP/SU actuator, cylinder from size 235 to 385 Equipment, Tools, Materials: Warnings: Spare seals Wrench Lifting tools Project documentation Preliminary Operations: Removal from Valve INSTRUCTION VALID FOR MHD HANDWHEEL ONLY 37.

  • Page 79: Part List

    17.0 Part List Linear pneumatic actuator type 0 spring down Fig 17.1 Linear pneumatic actuator type 0 spring down ITEM DESCRIPTION ITEM DESCRIPTION Seal-Washer O-ring ● Scraper seal O-ring ● Seal O-ring ● Sliding ring Cylinder O-ring ● ● Bushing O-ring ●...
  • Page 80 17.0 Part List Linear pneumatic actuator type 0 spring up Fig 17.2 Linear pneumatic actuator type 0 spring up ITEM DESCRIPTION ITEM DESCRIPTION Seal-Washer (*) Nuts Seal-Washer Plug (*) Scraper seal Spring package Seal O-ring ● Sliding ring O-ring ● ●...
  • Page 81 17.0 Part List Linear pneumatic actuator type 1 / type 2 spring down Fig 17.3 Linear pneumatic actuator type 1 / type 2 spring down ITEM DESCRIPTION ITEM DESCRIPTION Spring Plug (*) Adapter flange O-ring (*) ● Sliding ring O-ring ●...
  • Page 82 17.0 Part List Linear pneumatic actuator type 1 / type 2 spring up Fig 17.4 Linear pneumatic actuator type 1 / type 2 spring up ITEM DESCRIPTION ITEM DESCRIPTION O-ring Plug (*) Washer O-ring (*) ● Sliding ring Spring ● ●...
  • Page 83 17.0 Part List Hydraulic cylinder for manual override Fig 17.5 Hydraulic cylinder for manual override ITEM DESCRIPTION ITEM DESCRIPTION Hex bolt (**) End flange Head flange Seal washer/O-ring Piston rod Washer Cap nut Piston Stop bolt Piston rod seal Back up ring ●...
  • Page 84 17.0 Part List Mechanical manual override MH Fig 17.6 Mechanical manual override MH ITEM DESCRIPTION ITEM DESCRIPTION O-ring ● Handwheel Screw Setting dowel Protective tube Washer Bearing Screw Unscrewing flange Back plate Flange O-ring Protective cap ● O-ring Jackscrew ● ●...
  • Page 85 17.0 Part List Mechanical manual override MH Fig 17.7 Mechanical manual override MH ITEM DESCRIPTION ITEM DESCRIPTION Dust excluder O-ring ● ● Bearing Handwheel Protective tube Flange Washer Flange Spindle nut Plate Lead screw Circlip Ring nut Screw Plate ● Recommended spare part O-ring ●...
  • Page 86 17.0 Part List Mechanical manual override MHD Fig 17.8 Mechanical manual override MHD ITEM DESCRIPTION ITEM DESCRIPTION Dust excluder Plate ● Bearing O-ring ● Wheel hub O-ring ● Screw O-ring ● Knob Handwheel Protective tube Washer Flange Plate Flange Screw Spindle nut Lead screw ●...

  • Page 87: Grease & Hydraulic Oil Specification

    In general, there is no need to lubricate the actuator because its mechanism is lubricated for life. The standard grease for Rotork fluid powered actuators is shown below. If an alternative was specified and/or supplied, please refer to the job specific documentation.
  • Page 88 18.0 Grease & Hydraulic Oil Specification Below is the standard oil specification for Rotork fluid powered actuator hydraulic manual override and hydraulic cylinders working at temperature between -40 °C and +100 °C for ATEX and non-ATEX application. Manufacturer: MOBIL Trade Name:...
  • Page 89 Keeping the World Flowing...
  • Page 90 +44 (0)1225 733200 +44 (0)1225 333467 email mail@rotork.com All Rotork Fluid Systems actuators are manufactured under a third party accredited ISO9001 quality assurance programme. As we are continually developing our products, their design is subject to change without notice. PUB020-014-00 The name Rotork is a registered trademark.

Table of Contents