Samson 3372 Mounting And Operating Instructions

Electropneumatic actuator, with integrated i/p converter, actuator area: 120 cm2

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Page 1 EB 8313-1 EN Translation of original instructions 3321-IP Control Valve Type 3372 Electropneumatic Actuator with Type 3321 Valve Type 3372 Electropneumatic Actuator With integrated i/p converter Actuator area: 120 cm² Edition September 2019...
Page 2 Note on these mounting and operating instructions These mounting and operating instructions assist you in mounting and operating the device safely. The instructions are binding for handling SAMSON devices. The images shown in these instructions are for illustration purposes only. The actual product may vary.
Page 3: Table Of Contents
Contents Safety instructions and measures ..............1-1 Notes on possible severe personal injury ............1-4 Notes on possible personal injury ..............1-4 Notes on possible property damage .............1-6 Markings on the device ................2-1 Actuator nameplate ..................2-1 Label indicating actuator with preloaded springs ...........2-2 Design and principle of operation ...............3-1 Accessories ....................3-3 Technical data ....................3-3...
Page 4 Removal ....................11-1 11.1 Removing the actuator from the valve ............11-2 11.2 Relieving the spring compression in the actuator ..........11-2 Repairs ....................12-1 12.1 Returning devices to SAMSON ..............12-1 Disposal ....................13-1 Certificates ....................14-1 Annex......................15-1 15.1 Tightening torques, lubricants and tools ............15-1 15.2 Spare parts ....................15-1...
Page 5: Safety Instructions And Measures
SAM- SON. SAMSON does not assume any liability for damage resulting from the failure to use the de- vice for its intended purpose or for damage caused by external forces or any other external factors.
Page 6 Î 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 authorized by SAMSON. They are performed at the user's own risk and may lead to safety hazards, for example. Fur- thermore, the product may no longer meet the requirements for its intended use.
Page 7 Safety instructions and measures Responsibilities of operating personnel Operating personnel must read and understand these mounting and operating instructions as well as the referenced documents and observe the specified hazard statements, warnings and caution notes. Furthermore, the operating personnel must be familiar with the applicable health, safety and accident prevention regulations and comply with them.
Page 8: Notes On Possible Severe Personal Injury
Safety instructions and measures 1.1 Notes on possible severe personal injury DANGER Risk of bursting in the actuator. Actuators are pressurized. Improper opening can lead to actuator components burst- ing. Î Before starting any work on the actuator, depressurize all plant sections affected and the actuator.
Page 9 Safety instructions and measures WARNING Risk of personal injury when the actuator vents. The actuator is operated with air. As a result, air is vented during operation. Î Install the control valve in such a way that vent holes are not located at eye level and the actuator does not vent at eye level in the work position Î...
Page 10: Notes On Possible Property Damage
Risk of actuator damage due to the use of unsuitable tools. Certain tools are required to work on the actuator. Î Only use tools approved by SAMSON (u AB 0100). Risk of actuator damage due to the use of unsuitable lubricants. The lubricants to be used depend on the actuator material. Unsuitable lubricants may corrode and damage the surface.
Page 11: Markings On The Device
Model 3372- Var-ID Serial no. Input Air supply max. Made in Germany SAMSON AG D-60314 Frankfurt Fig. 2-1: Nameplate of Type 3372 Actuator with integrated i/p converter without explosion protection SAMSON 3372 actuator cm² Input See technical data and explosion-protection certiﬁcate for permissible ambient temperature and maximum values for connection to certiﬁed instrinsically safe circuits.
Page 12: Label Indicating Actuator With Preloaded Springs
Markings on the device 2.2 Label indicating actuator with preloaded springs A label on the actuator indicates that the actuator springs are preloaded in the delivered state (see Fig. 2-3). ACHTUNG ! ATTENTION ! ATTENTION ! VORGESPANNTER PRE-LOADED SERVO-MOTEUR ANTRIEB ACTUATOR PRECONTRAINT Fig. 2-3: Adhesive label indicating preloaded actuator springs in the delivered state EB 8313-1 EN...
Page 13: Design And Principle Of Operation
Design and principle of operation 3 Design and principle of oper- ation The actuators are used for attachment to Series V2001 Valves, such as Type 3321, Type 3323, Type 3531, Type 3535 and Type 3214 (DN 65 to 100) as well as Type 3260 Valve (DN 65 and 80). The actuators mainly consist of two dia- phragm cases, a rolling diaphragm and Fig. 3-1: Mounting using a central nut (form B...
Page 14 Rod-type yoke 10.1 Potentiometer for span Actuator springs Measuring diaphragm Rolling diaphragm Lever Signal pressure connection (actuator Range spring stem extends) Zero adjuster Vent plug Stopper (pressure gauge) Force switch Plug connector Rod nut Fig. 3-2: Type 3372 Electropneumatic Actuator EB 8313-1 EN...
Page 15: Accessories
CE and A special lifting tool is available to lift the EAC marks of conformity. electropneumatic actuator with 120 cm² ac- tuator area (u AB 0100). Table 3-1: Technical data of Type 3372 Electropneumatic Actuator with integrated i/p converter Actuator area 120 cm² Rated travel 15 mm...
Page 16 Design and principle of operation Actuator area 120 cm² When w = 100 %: Air consumption in steady state 6 bar ≤ 200 l 4 bar ≤ 160 l Temperature range –30 to +70 °C Degree of protection IP 54 1) Cable socket according to DIN EN 175301-803, black Electrical connection polyamide, 8 to 10 mm clamping range Screw terminals for up to 1.5 mm²...
Page 17: Shipment And On-Site Transport
2. Check the shipment for transportation transport it. damage. Report any damage to Î Observe the transport instructions. SAMSON and the forwarding agent (refer to delivery note). Transport instructions 3. Determine the weight and dimensions of − Protect the actuator against external in- the units to be lifted and transported in fluences (e.g.
Page 18: Lifting The Actuator
Î Observe the storage instructions. Î Avoid long storage times. Special storage instructions for elastomers Î Contact SAMSON in case of different Elastomer, e.g. actuator diaphragm storage conditions or long storage peri- − To keep elastomers in shape and to pre- ods.
Page 19: Mounting And Assembly
5.2 Mounting the actuator nition of the atmosphere and cause death. Î The following regulations apply to Depending on the version, SAMSON control installation in hazardous areas: valves are either delivered with the actuator EN 60079-14 (VDE 0165, Part 1).
Page 20: Mounting The Actuator Onto The Valve
Risk of actuator damage due to the use of ator stem. unsuitable tools. Î Do not touch the actuator stem or insert Î Only use tools approved by SAMSON hands or finger into the yoke while the (u AB 0100). air supply is connected to the actuator.
Page 21 Rod-type yoke 10.1 Potentiometer for span Actuator springs Measuring diaphragm Rolling diaphragm Lever Signal pressure connection (actuator Range spring stem extends) Zero adjuster Vent plug Stopper (pressure gauge) Force switch Plug connector Rod nut Fig. 5-1: Type 3372 Electropneumatic Actuator EB 8313-1 EN...
Page 22: Connecting The Air Supply
Mounting and assembly 5.2.2 Connecting the air "Stem retracts" fail-safe action: air only needs to be applied to actuators for at- supply taching the stem connector clamps. The reason for this is that in three-way See Fig. 3-3 in 'Technical data' in the 'De- valves, for example the plug stem might sign and principle of operation' section.
Page 23: Connect The Electrical Power Supply
Mounting and assembly a) "Actuator stem extends" If there are no specifications, calculate as follows: (FA)/fail-close Required supply pressure = Upper bench range value + 1 bar 1. Connect the supply air to the connection on the housing marked "Supply": 2. Screw the vent plug into the vent open- Required supply pressure = Upper bench ing.
Page 24 Mounting and assembly 5. Reinstall the insert (3) in the plug connec- tor case. Make sure that the cable gland (6) points to the desired direction (the plug connector case can be turned by 90° around the insert to point to all four directions).
Page 25: Start-Up
Start-up 6 Start-up WARNING The work described in this section is only to Risk of personal injury due to preloaded be performed by personnel qualified for the springs. assignment accordingly. Actuators with preloaded springs are under tension. These actuators can be identified by several longer bolts with nuts protruding DANGER from the bottom diaphragm case.
Page 26: Checking And Adjusting Zero And Span
Risk of actuator damage due to the use of We recommend, however, checking zero af- unsuitable tools. ter the actuator has been mounted to the Î Only use tools approved by SAMSON valve as described below: (u AB 0100). 1. Connect an ammeter to the control signal input and apply air to the supply input.
Page 27 4 (+0.1) mA. Potentiometer for span (10.1) Jumper (16) Cover plate (8.9) Zero adjuster (14) Fig. 6-1: Type 3372-03(5)1x and Type 3372-03(5)3x Actuator with “actuator stem extends” fail-safe action EB 8313-1 EN...
Page 28 100 %. Zero adjuster (14) Cover plate (8.9) Potentiometer for span (10.1) Jumper (16) Fig. 6-2: Type 3372-0(3/5)2x and Type 3372-0(3/5)4x Actuator with “actuator stem retracts” fail- safe action EB 8313-1 EN...
Page 29: Deactivating And Activating The Tight-Closing Function
Start-up 6.2 Deactivating and activating 6. Adjust the potentiometer for span (10.1) until the upper range value is correct. the tight-closing function Turn the adjuster clockwise to increase The electronic deactivation and activation of the travel and counterclockwise to reduce the tight-closing function integrated in the actuator ensures tight closing of the control 7.
Page 30 Start-up 3. Position the clamping plate on the rod- 6. Move the valve up and down close to the type yoke at the point where the lever required switching position and make rests on the bracket of the stem connec- any fine adjustments to the exact switch- tor.
Page 31: Operation
Operation 7 Operation WARNING WARNING The work described in this section is only to Crush hazard arising from the moving actu- be performed by personnel qualified for the ator stem. assignment accordingly. Î Do not insert hands or finger into the yoke while the air supply is connected to the actuator.
Page 32 EB 8313-1 EN...
Page 33: Malfunctions
Malfunctions 8 Malfunctions 8.1 Troubleshooting Malfunction Possible reasons Recommended action Actuator stem does not Actuator is blocked. Check attachment. move on demand. Unblock the actuator. WARNING! A blocked actuator (e.g. due to seizing up after remaining in the same position for a long time) can suddenly start to move uncontrollably.
Page 34: Emergency Action
Malfunctions 8.2 Emergency action The plant operator is responsible for emer- gency action to be taken in the plant. EB 8313-1 EN...
Page 35: Service And Conversion Work
Î Contact SAMSON's after-sales service − Only use original spare parts by for service or conversion work. SAMSON, which comply with the original specifications. The actuator contains parts subject to wear which can be replaced after consulting our after-sales service.
Page 36: Ordering Spare Parts And Operating Supplies
Service and conversion work 9.3 Ordering spare parts and operating supplies Contact your nearest SAMSON subsidiary or SAMSON's after-sales service for infor- mation on spare parts, lubricants and tools. Spare parts See the Annex for details on spare parts. Lubricant Details on suitable lubricants can be found in the document u AB 0100.
Page 37: Decommissioning
Decommissioning 10 Decommissioning WARNING The work described in this section is only to Risk of personal injury due to preloaded be performed by personnel qualified for the springs. assignment accordingly. Actuators with preloaded springs are under tension. These actuators can be identified by several longer bolts with nuts protruding DANGER from the bottom diaphragm case.
Page 38 Decommissioning Î Before unblocking the actuator stem after it has become blocked (e.g. due to seiz- ing up after remaining in the same posi- tion for a long time), release any stored energy in the actuator (e.g. spring com- pression). See 'Relieving the spring com- pression in the actuator' in the 'Removal' section.
Page 39: Removal
Removal 11 Removal WARNING The work described in this section is only to Risk of personal injury due to preloaded be performed by personnel qualified for the springs. assignment accordingly. Actuators with preloaded springs are under tension. These actuators can be identified by several longer bolts with nuts protruding DANGER from the bottom diaphragm case.
Page 40: Removing The Actuator From The Valve
Removal 11.2 Relieving the spring com- Î Before unblocking the actuator stem after it has become blocked (e.g. due to seiz- pression in the actuator ing up after remaining in the same posi- tion for a long time), release any stored The long clamping bolts with long clamping energy in the actuator (e.g.
Page 41 Removal Short bolt Washer Short nut Washer Clamping bolt Clamping nut Fig. 11-1: Preloaded springs EB 8313-1 EN 11-3...
Page 42 11-4 EB 8313-1 EN...
Page 43: Repairs
SAMSON Further information on returned devices and how they are handled can be found at Defective devices can be returned to SAM- u www.samson.de > Service & Support > SON for repair. After Sales Service. Proceed as follows to return devices: 1.
Page 44 12-2 EB 8313-1 EN...
Page 45: Disposal
Disposal 13 Disposal Î Observe local, national and internation- al refuse regulations. Î Do not dispose of components, lubricants and hazardous substances together with your household waste. EB 8313-1 EN 13-1...
Page 46 13-2 EB 8313-1 EN...
Page 47: Certificates
Certificates 14 Certificates The certificates are included on the next pag- − EC type examination certificate on page 14-2 to page 14-5 − Declaration of conformity in compliance with Directive 2014/30/EU on page 14-6 − Declaration of conformity in compliance with Directive 2014/34/EU and 2014/30/EU on page 14-7 EB 8313-1 EN 14-1...
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Page 52 Pneumatischer und elektropneumatischer Stellantrieb / Pneumatic and Electropneumatic Actuators / Servomoteur pneumatique et électropneumatique Typ/Type/Type 3372-0 wird die Konformität mit den einschlägigen Harmonisierungsrechtsvorschriften der Union bestätigt / the conformity with the relevant Union harmonisation legislation is declared with/ est conforme à la législation d'harmonisation de l'Union applicable selon les normes:...
Page 53 Für das folgende Produkt / For the following product / Nous certifions que le produit Pneumatischer und elektropneumatischer Stellantrieb / Pneumatic and Electropneumatic Actuators / Servomoteur pneumatique et électropneumatique Typ/Type/Type 3372-1 entsprechend der EU-Baumusterprüfbescheingung PTB 99 ATEX 2049 ausgestellt von der/ according to the EU Type Examination PTB 99 ATEX 2049 issued by/ établi selon le certificat CE d’essais sur échantillons PTB 99 ATEX 2049 émis par:...
Page 54 14-8 EB 8313-1 EN...
Page 55: Annex
15.2 Spare parts Addresses of SAMSON AG and its subsid- iaries 1 i/p converter The addresses of SAMSON AG, its subsid- 11 Sealing element iaries, representatives and service facilities 16 Connector worldwide can be found on our website 18 Vent plug (www.samson.de) or in all SAMSON prod-...
Page 56 X 2:1 31-33 31-33 15-2 EB 8313-1 EN...
Page 60 EB 8313-1 EN SAMSON AKTIENGESELLSCHAFT Weismüllerstraße 3 · 60314 Frankfurt am Main, Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 samson@samsongroup.com · www.samsongroup.com...

This manual is also suitable for:

3321-ip

Samson 3372 Mounting And Operating Instructions

1 Safety Instructions and Measures

2 Markings on the Device

3 Design and Principle of Operation

4 Shipment and On-Site Transport

5 Mounting and Assembly

6 Start-Up

7 Operation

8 Malfunctions

9 Service and Conversion Work

10 Decommissioning

11 Removal

12 Repairs

13 Disposal

14 Certificates

15 Annex