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Samson EB 31a-23, Mounting And Operating Instructions

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Samson EB 31a-23 Mounting And Operating Instructions Download Page 1

PFEIFFER Chemie-Armaturenbau GmbH · Hooghe Weg 41 · 47906 Kempen · Germany

Telefon: +49 2152 2005-0 · Telefax: +49 2152 1580

[email protected] · www.pfeiffer-armaturen.com

MOUNTING AND
OPERATING INSTRUCTIONS

EB 31a-23

Original instruction

Quarter-turn actuator with adjustable hydraulic damping

Version HCD DAP / HCD SRP

Edition November 2021

Summary of Contents for EB 31a-23

Page 1: ...elefon 49 2152 2005 0 Telefax 49 2152 1580 vertrieb pfeiffer armaturen com www pfeiffer armaturen com MOUNTING AND OPERATING INSTRUCTIONS EB 31a 23 Original instruction Quarter turn actuator with adju...

Page 2: ...d proper use of these instructions read them carefully and keep them for later reference If you have any questions about these instructions contact PFEIFFER after sales service These instructions appl...

Page 3: ...CD hydraulic circuit operating function 3 2 3 3 2 How to adjust the operating time for standard rotation CW to Close top view 3 2 3 3 3 Pneumatic Hydraulic circuit scheme 3 2 3 4 Technical data 3 3 4...

Page 4: ...n 9 9 9 5 Reassembly 9 9 9 5 1 Drive shaft reassembly 9 10 9 5 2 Pistons reassembly 9 10 9 5 3 HCD components reassembly 9 11 9 5 4 End cap reassembly 9 12 9 5 5 HCD chamber filling 9 13 9 5 6 Positio...

Page 5: ...ator is operating Check with the plant operator for details on further protective equipment Revisions and other modifications Revisions conversions or other modifications of the product are not author...

Page 6: ...luding the packaging if applicable DANGER WARNING Crush hazard arising from moving parts The actuator and the valve assembly contains moving parts which can injure hands or fingers Do not touch or ins...

Page 7: ...ing torques Observe the specified torques on tightening actuator components bolts and nuts Excessive tightening torques lead to parts wear ing out quicker Parts that are not tightened enough may loose...

Page 8: ...1 4 EB 31a 23_EN Edition November 2021 Specifications subject to change Safety instructions and measures...

Page 9: ...at tachment are determined by the actuator designation Keep the nameplate to ensure that the actuator can be identified at all times Rack and pinion actuators have nameplates which show the following...

Page 10: ...double acting 8 Direction of action CW Clockwise CCW Counter clockwise 9 Schematic diagram Schematic diagram of the spring function with the air connection Schematic diagram of NAMUR interface with i...

Page 11: ...rol devices for example a solenoid valve or a manifold with NAMUR interface threaded connections to pressurize port 2 and 4 with air lines from separate electro pneumatic control system 3 2 Direction...

Page 12: ...s achieved Make rotation test to verify the correct stroke time in opening rotation Repeat the previous steps if necessary Once the desired operating time is achieved tighten the safe ty blocking scre...

Page 13: ...ia must not exceed 30 m Supply pressure The maximum operating pressure is 8 bar 116 Psi Refer to section 2 1 Actuator name plate Refer to the actuator model technical data for output torque values rel...

Page 14: ...3 4 EB 31a 23_EN Edition November 2021 Specifications subject to change Design and principle of operation...

Page 15: ...exceeding the rated lifting capacity Use only approved lifting equipment and accessories whose maximum lifting capacity is higher than the actuator weight including the packaging if applicable Risk of...

Page 16: ...bber components storage instructions Avoid long storage times Contact PFEIFFER in case of differ ent storage conditions or long storage periods It is recommended to regularly check the actuator and th...

Page 17: ...njury or even death Before starting any work on the actuator disconnect all pneu matic hydraulic electrical supplies and discharge the pressure from the actuator Crush hazard arising from moving parts...

Page 18: ...r connec tions which may not being used immediately Make sure that the operating pressure media composition used for the actuator operation meets the operating condi tions given in this manual and cor...

Page 19: ...n correctly the dowel pins or the spigot if any Align the valve stem coupling to the actuator s bore Carefully lower the actuator and engage the valve stem cou pling into the actuator s bore without f...

Page 20: ...5 4 EB 31a 23_EN Edition November 2021 Specifications subject to change Mounting and assembly...

Page 21: ...ring protection when working near the ac tuator Risk of personal injury through incorrect operation use or in stallation as a result of information on the actuator being illegi ble Over time markings...

Page 22: ...6 2 EB 31a 23_EN Edition November 2021 Specifications subject to change Start up...

Page 23: ...ect operation use or in stallation as a result of information on the actuator being illegi ble Over time markings labels and nameplates on the actuator may become covered with dirt or become illegible...

Page 24: ...7 2 EB 31a 23_EN Edition November 2021 Specifications subject to change Operation...

Page 25: ...d or with speed control valve problems Check all the tubing and fittings remove any foreign object damaged compo nent Control system Make sure the control system components are correctly assembled Che...

Page 26: ...8 2 EB 31a 23_EN Edition November 2021 Specifications subject to change Malfunctions...

Page 27: ...s performed without prior agreement by PFEIFFER s After sales Service Only use original spare parts by PFEIFFER which comply with the original specifications DANGER WARNING NOTICE Note With the inform...

Page 28: ...Edition November 2021 Specifications subject to change Service 9 2 Part lists 9 2 1 Part list for Quarter turn actuator in standard version Fig 9 1 Explosion view of BR 31a Quarter turn actuator in s...

Page 29: ...guide 13 2 8 12 16 Cap screw End cap 14 2 O ring End cap 15 2 Bearing Piston head 16 2 O ring Piston 17 min 5 max 12 Spring Cartridge 18 1 Spring clip Pinion 19 1 for DAP SRP 30 Position indicator 19...

Page 30: ...2 HCD Disk 307 2 Bearing Internal flange 308 2 External o ring Bushing 309 4 Internal o ring Bushing 310 2 Spring clip Internal flange 311 2 O ring Internal flange 312 2 Not applicable for Type HCD 3...

Page 31: ...lic circuit Table 9 4 Part list of Hydraulic circuit Pos Description Qty A HCD PFEIFFER Pneumatic Actuator 1 1 S S Unidirectional Speed Control Valve for OPENING rotation for standard rotation CW to C...

Page 32: ...catter the hydraulic liquid contained in the HCD bodies into the environment Make sure to follow the instruction for the collection and disposal recommended by the manufacturer If necessary please con...

Page 33: ...rface Remove the end caps as shown in Fig 9 4 keeping a constant distance A B between the actuator body and the end cap interface Fig 9 8 Remove cap screws WARNING NOTICE Fig 9 9 Revove end cap Spring...

Page 34: ...together with the stem 330 Stop screw 312 with washer 327 HCD Body 301H Internal flange 303 The spring clip 310 The bushing 307 springs 17 only for spring return actu ator Remove the following soft co...

Page 35: ...p the top of the drive shaft 60 with a plastic hammer Remove the drive shaft top bearing 06 and bottom bea ring 07 Remove the drive shaft top o ring 21 and bottom o ring 20 9 4 Service operation Inspe...

Page 36: ...the pis ton 40 rack teeth Insert the female connection of the drive shaft 60 60 1 in a properly fixed coupling joint as shown in Fig 9 20 Make sure that the octi cam 01 is in the right position as per...

Page 37: ...er 0 up to 5 With pistons completely closed 0 position as per Fig 9 22 the dimension A must be the same on both sides Fig 9 22 Align the piston 9 5 3 HCD components reassembly Refer to Fig 9 2 Fig 9 2...

Page 38: ...and the o ring 322 on disk 306 Insert the disk in the HCD body 301H Insert on stem 330 the first washer disk 320 the disk 306 the o ring 322 the second washer disk 320 the lock washer 334 and nut 335...

Page 39: ...h only partially Complete tightening by making 1 2 turns for each screw in the sequence shown in Fig 9 30 until tightening is complet ed Refer to section 15 1 1 Tightenng torque for the screw tight en...

Page 40: ...the liquid container and manoeuvre the ac tuator until the rotation is regular If needed move the actuator to release the excess air left in side and repeat the previous operation Make sure you have c...

Page 41: ...spring return actuator a pneumatic sup ply may be necessesary Risk of personal injury due to pneumatic supply Stop screws are not still properly tightened Any pneumatic sup ply can eject the stop scr...

Page 42: ...9 16 EB 31a 23_EN Edition November 2021 Specifications subject to change Service...

Page 43: ...operated with air As a result air is exhausted during operation Wear eye and hearing protection when working near the ac tuator Crush hazard arising from moving parts The actuator and the valve assemb...

Page 44: ...10 2 EB 31a 23_EN Edition November 2021 Specifications subject to change Decomissioning...

Page 45: ...actuator is operated with air As a result air is exhausted during operation Wear eye and hearing protection when working near the ac tuator DANGER WARNING Risk of personal injury due to preloaded and...

Page 46: ...uators and make sure the actuator itself is depres surized Disconnect all electrical wirings of the control or signal de vices if any refer to the control or signal devices documenta tion for safe dis...

Page 47: ...tor does not function properly according to how it was originally sized or does not function at all it is defective and must be repaired or replaced Risk of actuator damage due to incorrect repair wor...

Page 48: ...12 2 EB 31a 23_EN Edition November 2021 Specifications subject to change Repairs...

Page 49: ...injury due to preloaded and compressed springs End caps are under tension due to compressed springs Further more incorrect spring cartidges disassembly could result in seri ous injury Before starting...

Page 50: ...13 2 EB 31a 23_EN Edition November 2021 Specifications subject to change Disposal...

Page 51: ...ts are available from PFEIFFER Declaration of conformity in acc to EC Machinery directive 2006 42 EC refer page 14 2 Declaration of conformity in acc to EU ATEX directive 2014 34 EU refer page 14 2 De...

Page 52: ...14 2 EB 31a 23_EN Edition November 2021 Specifications subject to change Certificate...

Page 53: ...14 3 EB 31a 23_EN Edition November 2021 Specifications subject to change Certificate...

Page 54: ...14 4 EB 31a 23_EN Edition November 2021 Specifications subject to change Certificate...

Page 55: ...CD Thread Tightening torque in Nm 30 M5 4 5 60 100 150 300 450 600 1200 2000 M6 8 9 3000 4000 Note Table 15 3 Stop screws nuts 04 Actuator Type DAP HCD SRP HCD Thread Tightening torque in Nm 30 M6 8 9...

Page 56: ...7 100 13 10 8 8 150 17 13 10 10 300 19 17 10 13 450 22 17 10 16 600 22 19 10 16 1200 30 22 10 20 2000 30 24 10 24 3000 36 22 NA 24 4000 46 24 NA 30 15 2 Spare parts The recommended spare parts are li...

Page 57: ...flange 318 8 Cap screw End cap 318A 8 only for Type HCD 1200 and HCD 2000 Nut 12 only for Type HCD 3000 and HCD 4000 Nut 318B 8 only for Type HCD 1200 and HCD 2000 Washer 12 only for Type HCD 3000 an...

Page 58: ...EN Edition November 2021 Specifications subject to change Annex 15 2 2 Part list for BR 31a Edition 2010 Quarter turn actuator in standard version Fig 15 4 Explosion view of Quarter turn actuator in s...

Page 59: ...iston guide 13 8 12 16 Cap screw End cap 14 1 2 2 O ring End cap 15 1 2 Bearing Piston head 16 1 2 2 O ring Piston 17 min 5 max 12 Spring Cartridge 18 1 Spring clip Drive shaft 19 1 For DAP SRP 30 Pos...

Page 60: ...ry information For request and for troubleshooting please provide the following information Type of actuator Size Number of springs Fail safe position Supply pressure Number of actuations year month w...

Page 61: ...EB 31a 23_EN Edition November 2021 Specifications subject to change...

Page 62: ...EB 31a 23_EN Edition November 2021 Specifications subject to change...

Page 63: ...EB 31a 23_EN Edition November 2021 Specifications subject to change...

Page 64: ...mber 2021 Specifications subject to change PFEIFFER Chemie Armaturenbau GmbH Hooghe Weg 41 47906 Kempen Germany Phone 49 2152 2005 0 Fax 49 2152 1580 E Mail vertrieb pfeiffer armaturen com Internet ww...

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