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ARCA ARCAPAQ 812-223 N-DWK-0, Operating And Maintenance Manual

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ARCA ARCAPAQ 812-223 N-DWK-0 Operating And Maintenance Manual Download Page 18

5 Type key

ARCA Regler GmbH

18 / 32

Series 812-DWK

03.2020 / 1.0

Example of type designation

812-223 N-DWK-0

MFI pneumatic piston actuator ─ mounting diameter 48 mm ─ stroke 20
mm ─ diaphragm head / yoke material steel / steel ─ double-acting func-
tion ─ no additional equipment.

Summary of Contents for ARCAPAQ 812-223 N-DWK-0

Page 1: ...Operating and maintenance manual ARCAPAQ pneumatic piston actuator Series 812 DWK 03 2020 1 0...

Page 2: ...Original instructions ARCA Regler GmbH All rights reserved Cover picture background Freepik com...

Page 3: ...alification of the personnel 12 2 9 Operator s duty of care 13 2 10 Personal protective equipment 14 3 Transport storage and packaging 15 3 1 Transport 15 3 2 Storage 15 3 3 Packaging 15 4 Nameplate 1...

Page 4: ...connections 29 12 1 Screws according to DIN EN ISO 4017 4014 DIN 939 29 12 2 Screws according to ASME B16 5 29 12 3 Sealing plug 39 29 12 4 Bushing 4 29 12 5 Hex nut 18 29 13 Fault removal 30 14 Disp...

Page 5: ...918 T nisvorst Tel 49 0 2156 7709 0 Fax 49 0 2156 7709 55 E mail sale arca valve com www arca valve com 1 3 Other applicable documents The product can be delivered as part of an actuator and equipped...

Page 6: ...site https onsite arca valve com search and enter the ARCA order no and ARCA serial no The order no and serial no can be found in the device pass and in our order confirmation Entry example Illustrati...

Page 7: ...rams The signal terms used have the following meanings DANGER means that death serious injuries and or considerable damage to property will occur if the corresponding preventive measures are not taken...

Page 8: ...be used for the intended purpose Operate the product exclusively in accordance with this operating manual and in accordance with the specification in the order confirm ation and the device pass Use ex...

Page 9: ...2 4 Intended use In the addition the following applies Unauthorised modifications to the product can lead to injuries dam age to property and malfunctions The user alone bears this risk Warranty and...

Page 10: ...witching cycles or at least twice annu ally WARNING Heat radiation Risk of explosion due to high surface temperature as a result of heat ra diation from additionally attached products Make sure that t...

Page 11: ...mosphere If this is not possible take the product to an area where there is no risk of explosion WARNING Non conductive materials with pipe laying work Risk of explosion due to potential differences w...

Page 12: ...to noise resulting in hearing loss Thermal hazards burning scalding etc Danger due to escape of the operating medium Furthermore there may be unapparent residual risks despite all precau tions taken...

Page 13: ...t commissioning operation maintenance and disposal of the product must ensure the following Observation of all warning and danger notices Regular instruction of personnel on all applicable questions o...

Page 14: ...equipment displayed in the working area Always wear Protective clothing Tight fitting work clothes with a low tear resistance with narrow sleeves and without protruding parts They primarily serve to p...

Page 15: ...mstances may these attachment points be used if the actuator is coupled to a valve 3 2 Storage NOTICE Improper storage There is a danger of the product and in particular the attached electronic access...

Page 16: ...ure 3 Valve design 4 Nominal size 5 Nominal pressure 6 Flow coefficient characteristic curve 7 Seat diameter 8 Valve stroke 9 Material of housing trim 10 Actuator function 11 Actuator type 12 Max actu...

Page 17: ...s 3 3 springs 6 6 springs 6 Diaphragm head yoke material N Steel Steel A Steel Stainless steel V Stainless steel Stainless steel 7 Function DWK Double acting DW K Double acting with safety position cl...

Page 18: ...32 Series 812 DWK 03 2020 1 0 Example of type designation 812 223 N DWK 0 MFI pneumatic piston actuator mounting diameter 48 mm stroke 20 mm diaphragm head yoke material steel steel double acting fun...

Page 19: ...me 1 Stem 2 Pin 3 Sealing ring 4 Bushing 5 Plain bearing 6 O ring 7 Filter 14 Compression spring 18 Hex nut 21 Hex screw 22 Washer 23 Hex nut 24 Sealing 25 Screw sleeve 26 O ring 28 O ring 29 Sealing...

Page 20: ...6 Sectional drawings ARCA Regler GmbH 20 32 Series 812 DWK 03 2020 1 0 6 2 812 DWK0 Function Double acting Illustration 4 812 DWK0...

Page 21: ...ARCA Regler GmbH 6 Sectional drawings Series 812 DWK 21 32 03 2020 1 0 6 3 812 DW K0 Function Double acting with safety position closed Illustration 5 812 DW K0...

Page 22: ...precisely guided by a plain bearing 5 and the lower pressure chamber is sealed by a special sealing element with a wiper 3 Connected to the actuator stem 1 is a piston 77 which transmits the movement...

Page 23: ...ion The actuator yoke 34 has a central bore that enables rotation of the ac tuator in any direction The actuator is fastened to the valve with the slot ted nut of the valve Actuator and valve are coup...

Page 24: ...tuating signal connection Air quality CAUTION Ensure correct air quality Oil free instrument quality air with no water or dust solid material con tent max 1 mg m standard atmospheric conditions max pa...

Page 25: ...n Seal connection Z2 on the yoke 34 with the plug 29 Connect the positioner in accordance with the operating manual 9 3 Positioner installation Integrated installation of positioners The actuation sig...

Page 26: ...sur face of the stem and reduce the lifetime of the stem sealing 10 2 Maintenance The actuator requires almost no maintenance Nevertheless the connections must be checked after 100 000 operating cycl...

Page 27: ...led 12 Torque tables for the tightening torques of bolted connections Recommended lubricants O rings shaped rings guide bands Bolted connections Roller bearing Molykote 55 Metaflux lubricating metal p...

Page 28: ...FI M8 x 50 Loosen the hex nuts 23 of the short bolts 21 Loosen the hex nuts 23 of the newly mounted assembly disas sembly bolts 21 evenly in order to relax the springs 14 Remove the top cover 118 Remo...

Page 29: ...g to DIN EN ISO 4017 4014 DIN 939 Thread Torque Nm A4 80 8 8 M6 7 8 M8 30 30 12 2 Screws according to ASME B16 5 Thread Torque Nm lbf ft A193B8 A193B7 UNC 7 5 8 6 5 16 UNC 30 22 30 22 12 3 Sealing plu...

Page 30: ...al present Check signal source Actuation signal connection incor rectly implemented Check actuation signal connection and direction of action of the actu ator Actuation signal air pressure too low Inc...

Page 31: ...are hazardous to health Danger to people and the environment Wear suitable protective equipment If applicable collect and dispose of rinsing medium or residual me dium Particular attention is to be p...

Page 32: ...www arca valve com...

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