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Samson 3271 Original Instructions Manual Download Page 1

Translation of original instructions

EB 8310-6 EN

Edition October 2019

Types 3271 and 3277 Pneumatic Actuators

Actuator area: 

240, 350 and 700 cm²

Type 3271

Type 3277

Summary of Contents for 3271

Page 1: ...Translation of original instructions EB 8310 6 EN Edition October 2019 Types 3271 and 3277 Pneumatic Actuators Actuator area 240 350 and 700 cm Type 3271 Type 3277...

Page 2: ...about these instructions contact SAMSON s After sales Service Department aftersalesservice samsongroup com The mounting and operating instructions for the devices are included in the scope of deliver...

Page 3: ...271 3 3 3 4 2 Type 3277 3 3 3 5 Fail safe action 3 3 3 5 1 Version with direction of action actuator stem extends 3 3 3 5 2 Version with direction of action actuator stem retracts 3 4 3 6 Versions 3 4...

Page 4: ...tes concerning operation 7 2 8 Malfunctions 8 1 8 1 Troubleshooting 8 1 8 2 Emergency action 8 2 9 Service and conversion work 9 1 9 1 Periodic testing 9 2 9 2 Preparation for servicing or conversion...

Page 5: ...Contents EB 8310 6 EN 14 Certificates 14 1 15 Annex 15 1 15 1 Tightening torques lubricants and tools 15 1 15 2 Spare parts 15 1 15 3 After sales service 15 4...

Page 6: ...6 EB 8310 6 EN...

Page 7: ...e for its intended purpose or for damage caused by external forces or any other external factors Refer to the technical data and nameplate for limits and fields of application as well as possible uses...

Page 8: ...nt operators and operating personnel must prevent hazards that could be caused in the actuator by the signal pressure stored spring energy or moving parts by taking appropriate precautions They must o...

Page 9: ...of EN 60079 14 VDE 0165 Part 1 Referenced documentation The following documents apply in addition to these mounting and operating instructions Mounting and operating instructions for the mounted valv...

Page 10: ...r vents The actuator is operated with air As a result air is vented during operation Install the control valve in such a way that vent holes are not located at eye level and the actuator does not vent...

Page 11: ...zards may go unnoticed and the necessary instructions not followed There is a risk of personal injury Keep all relevant markings and inscriptions on the device in a constantly legible state Immediatel...

Page 12: ...e lubricants approved by SAMSON u AB 0100 1 4 Warnings on the device Warning Meaning of the warning Location on the device Warning against the incorrect use of the lifting eyelet eyebolt or swivel hoi...

Page 13: ...a 6 Bench range in bar 7 Bench range in psi 8 Operating travel in mm 9 Operating range in bar 10 Operating range in psi 11 Permissible supply pressure pmax in bar 12 Permissible supply pressure pmax i...

Page 14: ...s A label on the actuator indicates that the actuator springs are preloaded in the delivered state see Fig 2 2 ACHTUNG VORGESPANNTER ANTRIEB ATTENTION PRE LOADED ACTUATOR ATTENTION SERVO MOTEUR PRECON...

Page 15: ...ings A10 in the actua tor The bench range is determined by the number of springs used and their compres sion taking into account the rated travel The travel is proportional to the signal pressure pst...

Page 16: ...valve accessories to be mounted for more details on their attachment and the accessories required 3 3 Direction of action The direction of action is determined by how the springs A10 and diaphragm pl...

Page 17: ...g a connection block at this point No additional piping to the actuator is required Refer to the associated positioner documentation for more details In the actuator stem retracts version simi lar to...

Page 18: ...combined with a Type 3273 Side mounted Handwheel with max 30 mm travel u T 8312 3 7 Accessories Swivel hoist The pneumatic actuators with 700 cm actu ator area have a female thread on the top diaphra...

Page 19: ...40 100029695 1400 5529 350 700 3 8 Technical data The nameplate provides information on the actuator version see the Markings on the device section More information is available in Data Sheet u T 8310...

Page 20: ...90 H4maxFA 78 78 95 78 78 95 H4maxFE 78 85 104 78 85 104 H5 101 101 101 H6 34 34 34 34 34 34 H7 2 65 65 Travel limitation H8 75 85 115 75 85 115 Yoke width L 70 70 70 Diameter D 240 280 390 240 280 39...

Page 21: ...of operation Dimensional drawings a a H H H6 H4 D D2 d Ha H7 H a2 H5 H4 H6 a D D2 d Ha Standard version of Type 3271 700 cm Standard version of Type 3277 240 350 cm L a a H H8 H6 H4 D D2 d Ha Type 327...

Page 22: ...3 8 EB 8310 6 EN Design and principle of operation D1 D D2 55 d H H1 H4 H6 H5 a2 H2 a Ha Type 3277 with handwheel...

Page 23: ...ce Do not open or remove the packaging until immediately before mounting the actuator Leave the actuator in its transport con tainer or on the pallet to transport it on site Dispose and recycle the pa...

Page 24: ...the actuator To mount large actuators onto the valve use lifting equipment e g crane or forklift to lift it See Accessories in the Design and prin ciple of operation section for fixture for lift ing L...

Page 25: ...r in place of the eyebolt see Accessories in the Design and princi ple of operation section In contrast to the eyebolt the swivel hoist is designed for set ting a control valve assembly upright In ord...

Page 26: ...n site transport Fig 4 1 Ring bolt Fig 4 2 Swivel hoist Fig 4 3 Eyebolt cover in place on the eyebolt Fig 4 4 Eyebolt cover with strap opened Fig 4 5 Lifting point on the actuator Fig 4 6 Lifting poin...

Page 27: ...not damage the corrosion protection paint surface coatings Repair any damage immediately Protect the actuator against moisture and dirt Store it at a relative humidity of less than 75 In damp spaces p...

Page 28: ...4 6 EB 8310 6 EN...

Page 29: ...tor are delivered separately When delivered separately the valve and actuator must be assembled together on site Proceed as follows to mount the actuator and before start up Risk of personal injury du...

Page 30: ...r nameplate see the Markings on the device section 1 Loosen the lock nut 10 and stem con nector nut 9 on the valve 2 Press the plug together with the plug stem firmly into the seat ring 3 Thread down...

Page 31: ...shing 9 Stem connector nut 10 Lock nut 84 Travel indicator scale A7 Actuator stem A8 Ring nut A26 27 Stem connector clamps Dim A Refer to Table 5 1 Dim x See Reversal of the direction of action in the...

Page 32: ...up section a Actuator stem extends 1 Apply a signal pressure that corresponds to the lower signal pressure range value to the connection on the bottom dia phragm case 2 Screw the vent plug into the co...

Page 33: ...g compression in the actua tor in the Removal section Risk of personal injury due to exhaust air being vented The actuator is operated with air As a result air is vented during operation Wear eye and...

Page 34: ...rings in the actuator the following can be achieved The thrust is increased only actuators with stem extends In combination with a SAMSON valve the actuator travel range can be adapted to a smaller va...

Page 35: ...t can only be increased in actuators with stem extends direction of action To achieve this the springs of the actuators can be preloaded by up to 12 5 240 cm or by up to 25 350 and 700 cm of their tra...

Page 36: ...retracts The springs of actuators with stem retracts action cannot be preloaded When a SAM SON valve is combined with an oversized actuator e g the rated travel of the actuator is larger than the rate...

Page 37: ...or stem A70 Adjustment nut A73 Cover A74 Lock nut A75 Top diaphragm case Fig 6 2 Travel stop 6 3 Version with handwheel See Fig 6 3 The stem connector A51 connects the actu ator stem A7 with the actua...

Page 38: ...the handwheel 6 3 2 Retracting the actuator stem manually 1 Loosen the lock nut A66 to unlock the handwheel A60 2 Turn the handwheel counterclockwise to retract the actuator stem 3 To change from manu...

Page 39: ...l section Risk of personal injury through incorrect operation use or installation as a result of incorrect information on the actuator After any adjustment or conversion work the details on the actuat...

Page 40: ...uator springs The handwheel must be in the neutral posi tion to allow the actuator to move through its entire travel range in throttling or on off ser vice In Type 3271 and Type 3277 Pneumatic Ac tuat...

Page 41: ...ression See Relieving the spring compression in the actuator in the Removal section Insufficient signal pressure Check the signal pressure Check the signal pressure line for leakage Signal pressure no...

Page 42: ...8 2 EB 8310 6 EN Malfunctions 8 2 Emergency action The plant operator is responsible for emer gency action to be taken in the plant...

Page 43: ...actuator following the in structions in this document See Reliev ing the spring compression in the actua tor in the Removal section Risk of personal injury due to exhaust air being vented The actuato...

Page 44: ...valve damage due to the use of un suitable lubricants Only use lubricants approved by SAMSON u AB 0100 The product warranty becomes void if service or repair work not described in these instructions i...

Page 45: ...n the valve after servicing or conversion work 1 Mount the actuator see the Mounting and assembly section 2 Adjust the upper or lower bench range values see the Start up section 9 4 Service work See F...

Page 46: ...roove Tighten the screw of the latch using a suitable tool Observe tightening torques 350 and 700 cm turn the screw on the latch of the hose clamp until only a gap of just a few millimeters remains be...

Page 47: ...uator 3 Take the springs A10 out of the bottom diaphragm case A2 4 Clamp the bottom section of the actuator stem A7 into a vise using protective jaws Make sure that the actuator stem is not damaged 5...

Page 48: ...tor stem A7 10 Clamp the top diaphragm case A1 with the opening facing upward into a suit able clamping fixture 11 Place the diaphragm plate assembly con sisting of the diaphragm plate A5 new diaphrag...

Page 49: ...icant to the seal lip of the new radial shaft seal 6 Use a suitable tool to mount the radial shaft seal Observe the correct alignment of the radial shaft seal see Fig 9 3 7 Fill the cavity of the radi...

Page 50: ...pply a suitable lubricant to the seal lip of the new radial shaft seal 7 Use a suitable tool to mount the radial shaft seal Observe the correct alignment of the radial shaft seal see Fig 9 3 8 Fill th...

Page 51: ...n ary Malfunction due to loosened nut A9 The nut A9 on the actuator stem serves to adjust the dimension x Do not undo the nut A9 If the nut A9 has been loosened read just the dimension x as specified...

Page 52: ...t A15 Collar nut A19 Compressor Fig 9 5 Arrangement of parts for stem retracts direction of action left and stem extends direction of action right Table 9 1 Values for dimension x see Fig 9 5 Type Act...

Page 53: ...gm case A2 4 Unscrew and remove the collar nut A15 while holding the nut A9 station ary Malfunction due to loosened nut A9 The nut A9 on the actuator stem serves to adjust the dimension x Do not undo...

Page 54: ...bottom dia phragm case As a result the actuator stem retracts opposing the spring force as the signal pressure increases 15 Affix a new nameplate with changed symbol and new configuration ID to the a...

Page 55: ...ession in the actua tor in the Removal section Risk of personal injury due to exhaust air being vented The actuator is operated with air As a result air is vented during operation Wear eye and hearing...

Page 56: ...10 2 EB 8310 6 EN...

Page 57: ...t See Reliev ing the spring compression in the actua tor in the Removal section Risk of personal injury due to exhaust air being vented The actuator is operated with air As a result air is vented duri...

Page 58: ...r The long clamping bolts with long clamping nuts and the short bolts with short nuts are arranged evenly around the circumference of the actuator housing to fasten the top and bottom diaphragm cases...

Page 59: ...Support After sales Service 2 Send an e mail u retouren samson de to register the return shipment including the following information Type Article no Configuration ID Original order Completed Declara...

Page 60: ...12 2 EB 8310 6 EN...

Page 61: ...EB 8310 6 EN 13 1 Disposal 13 Disposal Observe local national and internation al refuse regulations Do not dispose of components lubricants and hazardous substances together with your household waste...

Page 62: ...13 2 EB 8310 6 EN...

Page 63: ...icates 14 Certificates The declaration of incorporation in compli ance with Machinery Directive 2006 42 EC for Type 3271 and Type 3277 Pneumatic Actuators with 240 350 and 700 cm actu ator areas is pr...

Page 64: ...14 2 EB 8310 6 EN...

Page 65: ...Clamp with bracket 29 Hex bolt 30 Hex nut 32 Hanger 40 Radial shaft seal 41 Wiper ring 42 Dry bearing 43 Hex screw for hanger 32 49 Wiper ring 1 50 Top actuator stem 51 Stem connector 52 Screwed flang...

Page 66: ...106 100 51 50 56 50 68 54 62 67 68 69 57 58 63 8 59 41 49 42 20 22 65 52 66 55 64 60 61 52 76 77 16 20 22 25 75 42 41 106 100 50 20 22 16 70 74 73 20 22 75 50 56...

Page 67: ...EB 8310 6 EN 15 3 42 40 7 9 19 6 4 5 10 11 12 7 9 2 2 32 25 21 25 23 24 30 28 26 27 28 29 42 41 8 16 20 22 15 43 25 106 100 1...

Page 68: ...sid iaries The addresses of SAMSON AG its subsid iaries representatives and service facilities worldwide can be found on our website www samson de or in all SAMSON prod uct catalogs Required specifica...

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Page 72: ...2019 11 07 English SAMSON AKTIENGESELLSCHAFT Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 samson samsongroup com www samsongroup com EB 8310 6 EN...

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