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

Phone: 02152 2005-0 · Fax: 02152 1580

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

MOUNTING AND
OPERATING INSTRUCTIONS

EB 31a

Translation of the original manual

Pneumatic rotary actuator Edition 2010

Single and double-acting piston actuator,
type DAP and SRP

December 2022 edition

Summary of Contents for EB 31a

Page 1: ...2005 0 Fax 02152 1580 sales pfeiffer de samsongroup com www pfeiffer armaturen com MOUNTING AND OPERATING INSTRUCTIONS EB 31a Translation of the original manual Pneumatic rotary actuator Edition 2010...

Page 2: ...fe and correct use read this EB carefully prior to use and keep it for later reference In the case of questions that go beyond the scope of this EB please contact the After Sales Service at PFEIFFER C...

Page 3: ...ail safe position 3 2 3 6 Actuation 3 2 3 7 Attachments 3 2 3 8 Control pressure 3 2 3 9 Operating media 3 2 3 10 Operating temperature 3 4 3 11 Lubrication 3 4 3 12 Coating and corrosion protection 3...

Page 4: ...ce and conversion work 9 1 9 3 Assembling the valve after maintenance and conversion work 9 2 9 4 Maintenance work 9 2 9 5 Conversion work 9 2 9 6 Ordering spare parts and consumables 9 5 10 Decommiss...

Page 5: ...ts for rotary actuator DAP SRP 00030 rotation angle 0 to 90 15 5 15 2 3 Spare parts for rotary actuator DAP SRP 00060 to 02000 rotation angle 0 to 90 15 6 15 2 4 Spare parts for rotary actuator DAP SR...

Page 6: ...EB 31a_EN December 2022 edition Subject to technical changes Content...

Page 7: ...assigned tasks and identifying possible hazards Personal protective equipment PFEIFFER recommends the following protective equipment when handling the pneumatic rotary actuator BR 31a Protective glov...

Page 8: ...r of crushing due to moving parts The rotary actuator contains moving parts actuator stem switching shaft etc that can lead to crushing if reaching into it Do not reach into or under the switching sha...

Page 9: ...s must be tightened with specific torques Excessively tightened components are subject to increased wear Components that are not sufficiently tightened can cause the components to release see Chapter...

Page 10: ...1 4 EB 31a_EN December 2022 edition Subject to technical changes Safety instructions and safety measures...

Page 11: ...n operating temperature and connection type are specified by the actuator designation The type plate is glued onto the actuator housing The type plate contains all data required for device identificat...

Page 12: ...e 7 Actuator function single acting double acting 8 Direction of action CW Clockwise spring closes CCW Counterclockwise spring opens 9 Schematic representation Rotation direction to springs and air co...

Page 13: ...y actuator for 180 see data sheet DB 31a 12 3 position actuator see data sheet DB 31a 09 Rotary actuator with hydraulic damping see data sheet DB 31a 05 Rotary actuator with spring centred mid positio...

Page 14: ...media must not exceed 30 m Info The standard version of the BR 31a rotary actuator is installed along the valve flow direction When actuated at port 2 the shaft rotates counterclockwise from the start...

Page 15: ...Adjusting screw 17 Spring cartridge 3 Lock nut 18 Retaining ring 4 Washer 19 Position indicator 5 Bearing piston back 20 Shaft seal bottom 6 Shaft bearing bushing top 21 Shaft seal top 7 Shaft bearin...

Page 16: ...l weather conditions The corrosion resistance of the different types of coatings is described on the data sheet Before mounting the actuator in a corrosive environment make sure that the selected type...

Page 17: ...mbly see Figure 3 3 Figure 3 7 Figure 3 8 Figure 3 9 Figure 3 10 and Figure 3 11 Figure 3 9 Shaft end Info Assembling the piston o ring 16 Fit the piston bearing 5 and piston bearing 15 Grease the bea...

Page 18: ...springs Assemble the end cap and maintain a constant distance A B between the rotary actuator housing and the housing interface see Figure 3 15 Observe the installation sequence see Figure 3 16 Note...

Page 19: ...version after 2006 see Figure 3 3 and Figure 3 17 Both adjusting screws 2 can only be inserted from the inside of the actuator Carry out the assembly of the adjusting screws before Chapter 3 14 2 Cam...

Page 20: ...e position Observe the tightening torque for the lock nut see Table 15 2 in Chapter 15 1 1 Tightening torques 3 14 7 Mounting the position indicator see Figure 3 3 and Figure 3 18 Figure 3 20 Assembli...

Page 21: ...or due to improper fastening of the sling The screwed in eyebolts on PFEIFFER rotary actuators are used only for actuator assembling and disassembling as well as for lifting the actuator without the v...

Page 22: ...mber 2022 edition Subject to technical changes Shipment and on site transport Figure 4 1 Lifting points on the actuator up to DAP SRP 1200 Figure 4 2 Lifting points on the actuator from DAP SRP 2000 F...

Page 23: ...y Check if the load lifting equipment holds Move the actuator at a constant speed to the assembly site Assemble the actuator on the valve see Chapter 15 5 Tightening torques on the ISO connection Afte...

Page 24: ...000 251 8x M16x70 M16 700 1 SRP weight with 6 springs 2 Additional weight Lifting the complete valve Case 1 recommended solution Figure 4 6 Lifting points for a complete valve Table 4 4 Maximum load t...

Page 25: ...proper handling of the valve or additional loads 4 4 Storing the actuator Damage to the actuator due to improper storage Comply with the storage conditions Avoid long storage periods In the case of de...

Page 26: ...4 6 EB 31a_EN December 2022 edition Subject to technical changes Shipment and on site transport...

Page 27: ...o the compressed springs Furthermore improper disassembly of the spring car tridge can lead to serious injuries Opening of the rotary actuator only according to the instruc tions see Chapter 11 1 Rele...

Page 28: ...y aligned with each other All information necessary to assemble the actuator correctly and safely on the valve e g dimensions torque air volume end position adjustment response time operating temperat...

Page 29: ...te control systems see Figure 5 3 Assembly and operating instructions see the documentation from the control and signalling device manufacturer Assembling a solenoid valve Before fastening a solenoid...

Page 30: ...rd direction of rotation Figure 5 6 Air supply 2 Figure 5 7 Loss of pressure Supply air to port 2 moves the pistons in the direction of the end positions the springs are compressed see Fig ure 5 6 Air...

Page 31: ...no longer correct This concerns for exam ple the direction of action and the schematic representation of the direction of action and actuator function Immediately replace the signs or adhesives with i...

Page 32: ...6 2 EB 31a_EN December 2022 edition Subject to technical changes Start up...

Page 33: ...tuator type plate is no longer correct This concerns for exam ple the direction of action and the schematic representation of the direction of action and actuator function Immediately replace the sign...

Page 34: ...7 2 EB 31a_EN December 2022 edition Subject to technical changes Operation...

Page 35: ...measures For the recommended lubricant see Chapter 15 1 2 Lubricant For the required repair instructions see Chapter 12 Repairs Worn components Repairs are necessary Disassemble the rotary actuator s...

Page 36: ...pressure too low Check the control system Ensure a correct supply pressure Supply line blocked crushed or leaky Check the pipes and fittings Remove foreign matter damaged components Leakage in the ro...

Page 37: ...correct This concerns for exam ple the direction of action and the schematic representation of the direction of action and actuator function Immediately replace the signs or adhesives with incorrect...

Page 38: ...ter 3 Design and principle of operation Move the actuator to the fail safe position so that the springs are released Remove the screw 24 Remove the position indicator 19 from the end of the shaft and...

Page 39: ...s are tensioned when the springs are compressed If after unscrewing the screws 13 with the number of rotations specified in Table 9 1 force is still applied on the end caps 23 and 23 the spring cartri...

Page 40: ...the compressed springs Assemble the end cap and maintain a constant distance A B between the rotary actuator housing and the housing interface see Figure 9 10 Observe the installation sequence see Fi...

Page 41: ...about spare parts lubricants and tools can be received from the After Sales Service at PFEIFFER Spare parts Information on spare parts can be found in Chapter 15 2 Wear parts and spare parts Lubricant...

Page 42: ...9 6 EB 31a_EN December 2022 edition Subject to technical changes Servicing...

Page 43: ...ar the actuator wear eye and hearing pro tection Danger of crushing due to moving actuator and switching shaft Before working on the actuator interrupt and lock pneumatic energy and the control signal...

Page 44: ...10 2 EB 31a_EN December 2022 edition Subject to technical changes Decommissioning...

Page 45: ...t the actuator Do not allow the jamming of objects to hinder the operation of the actuator and switching shaft If the actuator and switching shaft are blocked e g due to seizure if not actuated for a...

Page 46: ...ator Figure 11 3 Disassembling the valve Table 11 2 Components for valve disassembly Pos Designation A Rotary actuator B Valve C Console D Coupling Disassemble the rotary actuator A from the valve B a...

Page 47: ...ctive components can be reached and replaced 12 1 1 Removing the position indicator see Figure 12 3 and Figure 12 1 Figure 12 1 Disassembling the position indicator Remove the screw 24 Remove the posi...

Page 48: ...e 3 Lock nut 18 Retaining ring 4 Washer 19 Position indicator 5 Bearing piston back 20 Shaft seal bottom 6 Shaft bearing bushing top 21 Shaft seal top 7 Shaft bearing bushing bottom 22 End cap right 8...

Page 49: ...Figure 12 4 Disassembling the end cap screws WARNING Figure 12 5 Disassembling the end cap Release the spring compression Unscrew each end cap screw 13 one rotation each according to the order shown...

Page 50: ...ply air Number of actuations year month week or day VDI VDE bracket PFEIFFER recommends documenting the following contamination data in the form FM 8 7 6 Declaration regarding the contami nation of PF...

Page 51: ...r 2022 edition Subject to technical changes Disposal 13 Disposal For disposal observe the local national and international regulations Do not dispose of old components lubricant and hazardous material...

Page 52: ...13 2 EB 31a_EN December 2022 edition Subject to technical changes Disposal...

Page 53: ...re available on the following page Declaration of conformity in compliance with the EU Machinery Directive 2006 42 EU see page 14 2 Declaration of conformity in compliance with the ATEX Directive 2014...

Page 54: ...14 2 EB 31a_EN December 2022 edition Subject to technical changes Certificates...

Page 55: ...14 3 EB 31a_EN December 2022 edition Subject to technical changes Certificates...

Page 56: ...14 4 EB 31a_EN December 2022 edition Subject to technical changes Certificates...

Page 57: ...4 36 00450 00600 M12 60 64 00900 01200 M14 96 102 02000 M16 150 160 03000 M14 96 102 04000 M16 150 160 05000 10000 Table 15 2 Tightening torques for nuts 4 for the adjusting screws 2 Rotary actuator D...

Page 58: ...90 410 Table 15 6 Tightening torques on the accessory connection Rotary actuator DAP SRP Accessory con nection Thread Tightening torque in Nm 00015 AA1 M5 4 5 00030 00060 00100 00150 00220 AA2 M5 4 5...

Page 59: ...9 6 00900 52 24 24 19 8 01200 58 30 30 22 10 02000 68 30 30 24 10 03000 80 36 36 22 12 04000 85 46 46 24 17 05000 90 46 46 24 17 10000 102 24 60 Inbus 14 24 15 2 Spare and wear parts PFEIFFER recommen...

Page 60: ...ew end cap Stainless steel 14 1 2 3 2 End cap seal M NBR 15 1 2 2 Bearing piston head POM 16 1 2 3 2 O ring M NBR 17a 4 2 to 6 Spring Si Cr epoxy coated spring steel alloy 17b 4 Spring 17c 4 Spring 18...

Page 61: ...steel 11 1 2 3 2 Seal M NBR 12 2 Piston guide PA66 GF 13 8 Screw end cap Stainless steel 14 1 2 3 2 End cap seal M NBR 15 1 2 2 Bearing piston head POM 16 1 2 3 2 O ring M NBR 17 4 2 to 6 Spring cartr...

Page 62: ...2 Piston guide PA66 GF 13 8 Screw end cap Stainless steel 14 1 2 3 2 End cap seal M NBR 15 1 2 2 Bearing piston head POM 16 1 2 3 2 O ring M NBR 17 5 to 12 Spring cartridge Si Cr epoxy coated spring s...

Page 63: ...2 2 Piston guide PA66 GF 13 8 Screw end cap Stainless steel 14 1 2 3 2 End cap seal M NBR 15 1 2 2 Bearing piston head POM 16 1 2 3 2 O ring M NBR 17 5 to 12 Spring cartridge Si Cr epoxy coated spring...

Page 64: ...12 2 Piston guide PA66 GF 13 16 Screw end cap Stainless steel 14 1 2 3 2 End cap seal M NBR 15 1 2 2 Bearing piston head POM 16 1 2 3 2 O ring M NBR 17 5 to 12 Spring cartridge Si Cr epoxy coated spr...

Page 65: ...12 2 Piston guide PA66 GF 13 16 Screw end cap Stainless steel 14 1 2 3 2 End cap seal M NBR 15 1 2 2 Bearing piston head POM 16 1 2 3 2 O ring M NBR 17 5 to 12 Spring cartridge Si Cr epoxy coated spr...

Page 66: ...15 16 Springs Springs Edition 2010 Module Green or natu ral coloured Springs only for DAP SRP 00015 Figure 15 15 DAP SRP spring Figure 15 16 DAP SRP 00015 spring 15 3 Service For maintenance and repa...

Page 67: ...EB 31a_EN December 2022 edition Subject to technical changes...

Page 68: ...2 edition Subject to technical changes PFEIFFER Chemie Armaturenbau GmbH Hooghe Weg 41 47906 Kempen Germany Phone 49 2152 2005 0 Fax 49 2152 1580 E Mail sales pfeiffer de samsongroup com Internet www...

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