Related Manuals for Neles Easyflow RNP Series
Summary of Contents for Neles Easyflow RNP Series
- Page 1 Easyflow by Neles™ Series RNP Compact Rack and Pinion Pneumatic Actuators Installation, Maintenance and Operating Instructions IMO-218 EN Issue 8/2020...
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Page 2: Table Of Contents
Table of contents GENERAL MAINTENANCE Scope of the manual Lubrication Structure and operation DISASSEMBLY Actuator markings Specifications ASSEMBLY FOR Recycling and disposal DOUBLE ACTING & Definitions Safety precautions STANDARD MODE TRANSPORTATION SPRING SPRING RETURN AND STORAGE (FAIL CLOCKWISE, CW) MOUNTING MALFUNCTIONS AND DEMOUNTING TOOLS... -
Page 3: General
This instruction manual contains important information regarding A rack and pinion actuator is a type of actuator that comprises a the installation, operation and maintenance of Neles RNP series pair of gears which converts piston linear motion into drive shaft actuators. -
Page 4: Specifications
1.4 SPECIFICATIONS Operating media: Air, Nitrogen Max supply pressure: 8 barg Design pressure: 10 barg, pressure retaining parts Temperature range: -20 °C...+80 °C (Normal) -20 °C...+125 °C (High) Construction: Suitable for indoor and outdoor use Ingress protection class IP66, IP67 Table 1. - Page 5 Table 2. Single acting actuator torque table SPRING 3 bar 3.5 bar 4 bar 4.5 bar 5 bar 5.5 bar 6 bar 7 bar Actuator model 1018 1132 1057 1246 1054 1168 1042 1099 1284 1162 1469 1347 1655 1532 1840 1717 2025...
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Page 6: Recycling And Disposal
1.5 RECYCLING AND DISPOSAL CAUTION: Most of the actuator parts can be recycled if sorted according DON’T DISMANTLE A PRESSURIZED ACTUATOR! to material. Most parts have material marking. A material list is DISMANTLING A PRESSURIZED ACTUATOR LEADS TO supplied with the actuator. In addition, separate recycling and UNCONTROLLED PRESSURE RELEASE. -
Page 7: Transportation And Storage
All the tubing, fitting and actuation media should be free from contamination and filtered to the desired level. Quality of media should be as per ISO 8573-1 [5:3:4]. For additional information LIFTING ARRANGMENT consult Neles. Ensure proper adjustments of the stopper bolt to desired opening Figure 4. Lifting the actuator and closing of the valve. -
Page 8: Mounting The Actuator On The Valve
In some cases, e.g. when using large actuators or with extensive pipework vibrations, the actuator should be supported. Consult Neles for instructions. If the actuator is used with devices other than Neles valves, any additional parts attached to the actuator must be properly protected. IMO-218 EN - Issue 8/2020... -
Page 9: Setting
Set should be replaced. Time in storage should be included in the inspection interval. If maintenance assistance is required, please contact your local Neles office. The part numbers in parentheses () in the text refer to the exploded view and to the parts list in Section 8, unless otherwise stated. -
Page 10: Maintenance Precautions Of The Rnp_E_C And Rnp_E_A Actuator
Actuator parts that reflect any of the above listed characteristics should be replaced with new parts. Neles recommends that disassembly of the actuator modules should be done in a clean area on a workbench. After reassembly, the actuator needs to be stroke for several times to ensure the desired function and safety. -
Page 11: Operating Principle (Standard Mode) For Spring Return- Fail Cw
6.1 LUBRICATION • All the mountings, accessories and spare parts used or replaced must be original from Neles. • Use Neles recommended grease for greasing rack and seals. • Apply the grease with soft brush. NOTE: • Carry out maintenance involving disassembling of actuator in a safe indoor place free from dust, water. - Page 12 CAUTION: SPRING RETURN ACTUATOR END CAPS ARE UNDER SPRING TENSION. CAUTION MUST BE USED WHILE REMOVING END CAP BOLTS AND END CAPS. IT IS RECOMMENDED TO PUT ACTUATOR INTO A PRESS DURING REMOVAL OF END CAPS TO ENSURE SAFE RELEASE OF SPRING TENSION. Pull the piston out from each side by holding with pliers.
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Page 13: Assembly For Double Acting & Standard Mode Spring Spring Return
Pull the pinion the rest of the way out of the body. Check the pinion bearing #5 for its condition. If removal and replacement of the pinion bearings are required, carefully push the pinion bearing off with the help of a screw driver and remove from the body. Remove the rack bearing #12. - Page 14 Rotate the pinion so that the dot on the pinion is positioned close to the two dots on the top pad of the actuator body for accurate pinion alignment. For counterclockwise (CCW) assembly dot on the pinion is positioned close to the two dots on the top pad of the actuator body, then assemble piston.
- Page 15 Apply air to Port A to move pistons to the extended 90 degree For positioning of flower spring structure please refer fig. position. WARNINGS • Use only genuine spares parts supplied by Neles. • Use only the recommended accessories and lubricants. • Install, operate and maintain as per the instructions and recommendations of this manual.
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Page 16: Malfunctions
9. MALFUNCTIONS Table 5. lists malfunctions that might occur after prolonged use Symptom Possible cause Action Irregular or slow operation Low supply pressure Make sure that supply pressure complies with minimum torque required by valve. Check that supply air pipes are large enough. Positioner fault Check positioner operation. -
Page 17: Exploded Views And Parts List
12. EXPLODED VIEWS AND PARTS LIST 12.1 DOUBLE ACTING VERSION DOUBLE ACTING RNP 40...110 DA BILL OF MATERIALS AND PARTS LIST ITEM NO. UNIT QTY. PART DESCRIPTION MATERIAL SPECIFICATION CORROSION PROTECTION BODY ALUMINIUM 6063T5/T6; 6005-T6/T5 HARD ANODISED 2♦ PINION STEEL ZINC FLACKING 3♦... - Page 18 DOUBLE ACTING RNP 125...175 DA BILL OF MATERIALS AND PARTS LIST ITEM NO. UNIT QTY. PART DESCRIPTION MATERIAL SPECIFICATION CORROSION PROTECTION BODY ALUMINIUM 6063T5/T6; 6005-T6/T5 HARD ANODISED 2♦ PINION STEEL ZINC FLACKING 3♦ PISTON WITH RACK ALUMINIUM LM13 HARD ANODISED 4♦...
- Page 19 DOUBLE ACTING RNP 200...250 DA BILL OF MATERIALS AND PARTS LIST ITEM NO. UNIT QTY. PART DESCRIPTION MATERIAL SPECIFICATION CORROSION PROTECTION BODY ALUMINIUM 6063T5/T6; 6005-T6/T5 HARD ANODISED 2♦ PINION STEEL ZINC FLACKING 3♦ PISTON WITH RACK ALUMINIUM LM13 HARD ANODISED 4♦...
- Page 20 DOUBLE ACTING RNP 300 - 350 DA BILL OF MATERIALS AND PARTS LIST ITEM NO. UNIT QTY. PART DESCRIPTION MATERIAL SPECIFICATION CORROSION PROTECTION BODY ALUMINIUM 6063T5/T6; 6005-T6/T5 HARD ANODISED 2 ♦ PINION STEEL ZINC FLACKING 3 ♦ PISTON WITH RACK ALUMINIUM LM13 HARD ANODISED...
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Page 21: Single Acting Version
12.2 SINGLE ACTING VERSION SINGLE ACTING RNP 40...110 SA BILL OF MATERIALS AND PARTS LIST ITEM NO. UNIT QTY. PART DESCRIPTION MATERIAL SPECIFICATION CORROSION PROTECTION BODY ALUMINIUM 6063T5/T6; 6005-T6/T5 HARD ANODISED 2♦ PINION STEEL ZINC FLACKING 3♦ PISTON WITH RACK ALUMINIUM LM13 HARD ANODISED... - Page 22 SINGLE ACTING RNP 125...175 SA BILL OF MATERIALS AND PARTS LIST ITEM NO. UNIT QTY. PART DESCRIPTION MATERIAL SPECIFICATION CORROSION PROTECTION BODY ALUMINIUM 6063T5/T6; 6005-T6/T5 HARD ANODISED 2♦ PINION STEEL ZINC FLACKING 3♦ PISTON WITH RACK ALUMINIUM LM13 HARD ANODISED 4♦...
- Page 23 SINGLE ACTING RNP 200...250 BILL OF MATERIALS AND PARTS LIST ITEM NO. UNIT QTY. PART DESCRIPTION MATERIAL SPECIFICATION CORROSION PROTECTION BODY ALUMINIUM 6063T5/T6; 6005-T6/T5 HARD ANODISED 2♦ PINION STEEL ZINC FLACKING 3♦ PISTON WITH RACK ALUMINIUM LM13 HARD ANODISED 4♦ COVER ALUMINIUM EPOXY POWDER COATED...
- Page 24 SINGLE ACTING RNP 300...350 SA BILL OF MATERIALS AND PARTS LIST ITEM NO. UNIT QTY. PART DESCRIPTION MATERIAL SPECIFICATION CORROSION PROTECTION BODY ALUMINIUM 6063T5/T6; 6005-T6/T5 HARD ANODISED 2♦ PINION STEEL ZINC FLACKING 3♦ PISTON WITH RACK ALUMINIUM LM13 HARD ANODISED 4♦...
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Page 25: Dimensions
13. DIMENSIONS M5 x 8 DEEP M5 x 8 DEEP W x Y deep ON 'Q' PCD DEPTH-X W1xY1 deep CH-90° ON 'Q1' PCD CH-1, 180° ACTUATOR RNP40 RNP50 RNP63 RNP80 RNP90 RNP100 RNP110 RNP125 RNP150 RNP175 RNP200 RNP250 RNP300 RNP350 MODEL 12.5... -
Page 26: How To Order
HOW TO ORDER SR40 * (NIL) * (NIL) * (NIL) Series Material Rack and pinion actuator Aluminum + anodized Aluminum + epoxy paint Cylinder size Pinion & piston material Carbon steel pinion / aluminum piston Temperature range -20 ...+80 °C -20 ...+125 °C Shaft bore-key type According to ISO 5211 square drive... - Page 27 IMO-218 EN - Issue 8/2020...
- Page 28 Tel. +358 10 417 5000. neles.com Subject to change without prior notice. Neles, Jamesbury and Easyflow by Neles, and certain other trademarks, are either registered trademarks or trademarks of Neles Corporation or its subsidiaries or affiliates in the United States and/or in other countries. For more information www.neles.com/trademarks...