GESTRA UNA 47 Original Installation Instructions
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GESTRA UNA 47 Original Installation Instructions

Ball-float steam trap
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Ball-float steam trap
UNA 45
UNA 46
UNA 46A
UNA 47
Original Installation Instructions
819311-03

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Summary of Contents for GESTRA UNA 47

  • Page 1 Ball-float steam trap UNA 45 UNA 46 UNA 46A UNA 47 Original Installation Instructions 819311-03...

  • Page 2: Table Of Contents

    Contents   Foreword ............................3   Availability ............................. 3   Formatting features in the document ...................... 3   Safety ..............................3   Use for the intended purpose ......................... 3   Basic safety notes ..........................4   Information on property damage or malfunctions ..................4  ...

  • Page 3: Foreword

     UNA 46A accidents as well as approved safety guidelines for good professional practice.  UNA 47 Type UNA 45 models can also be used to discharge Availability condensate from compressed air. Keep this installation & operating manual together Type UNA 46, UNA 46A and UNA 47 models can with the plant documentation for future reference.

  • Page 4: Basic Safety Notes

    On type UNA 45, UNA 46 and UNA 46A models personnel. A qualified person must be with DUPLEX control unit and control membrane, acquainted with and experienced in the the superheated steam on the control membrane following: must not exceed 5 K.

  • Page 5: Qualification Of Personnel

    Qualification of personnel Typographic features of warning notes A qualified person must be acquainted with and experienced in the following: DANGER  the pertinent on-site rules and regulations for preventing fire and explosions as well as Notes with the heading DANGER warn industrial safety regulations against imminent dangerous situations that ...

  • Page 6: Description

    Description Scope of supply and equipment specification Scope of supply Our equipment is delivered packed and ready for assembly. Equipment specification Item Designation Item Designation Direction of flow arrow Name plate Body Cover (shown here: standard cover) Body gasket Orifice Control unit (shown here: control unit Screws (4 pcs.) SIMPLEX)
  • Page 7 Optional extras The following items are available as optional extra: Designation Designation Strainer Sightglass with water-level gauge for function check Sealing plug Drain with sealing plug Sealing ring Manual lifting lever with socket wrench Manual vent valve with socket wrench (socket wrench not shown) Electrode cover with connection options for The hole in the cover for the manual vent...
  • Page 8 The equipment can be fitted optionally with the following control units: Designation DUPLEX control unit with control membrane ® SIMPLEX-P control unit with Perbunan roller ball Control unit with externally adjustable internal bypass DUPLEX control unit with bimetallic vent (UNA 47)
  • Page 9 The different equipment versions allow you to adjust End connections the flow direction of the equipment to the flow The equipment is available with the following end pattern of your installation. The flow arrow must connections: correspond to the direction of the fluid flow. The ...

  • Page 10: Task And Function

    Purpose installation manual are applicable for standard equipment. Note that these Type UNA 45, UNA 46, UNA 46A and UNA 47 values may differ for modified or models are used to discharge condensate from customized equipment.

  • Page 11: Storing And Transporting The Equipment

    Transporting the equipment Storing and transporting the equipment CAUTION Attention! Do not drop the equipment. If it falls down it may cause bruises and injuries. Equipment can be damaged if stored or  To transport and mount the equipment transported improperly. safely use suitable lifting gear.

  • Page 12: Mounting And Connecting The Equipment

    Orientation of the equipment Mounting and connecting the equipment The different equipment versions allow you to adjust the flow direction of the equipment to the flow pattern of your installation. The following positions Preparing installation of installation are possible:  Take the equipment out of the transport ...

  • Page 13: Connecting The Equipment

    Connecting the equipment Attention! DANGER Equipment will be damaged if the end connections are undersized. Incorrectly connected equipment can result  Make sure that the connections are in accidents with extremely severe injuries strong and rigid enough to support the or death.
  • Page 14  If one or more of the above mentioned requirements cannot be met, please contact our Technical Service or authorized agency in your country.  Connect the end connections of the equipment properly to the pipes.  If necessary, connect the air balance pipe to the equipment as shown in the following drawing.
  • Page 15  Place the sealing ring of the adapter onto the Mounting the measuring electrode adapter. If using models with electrode cover, you can fit one  Screw the adapter (22) with sealing ring into the or two measurement electrodes of the following types to the device: top connection.

  • Page 16: Operation

    You can check the correct functioning of the equipment during operation using the GESTRA ® ultrasonic measuring unit VAPOPHONE ®...

  • Page 17: After Operation

    After operation DANGER If the equipment is used in contaminated DANGER areas there is a risk of severe injuries or If fluid escapes personnel may suffer death caused by harmful substances in or severe injuries, poisoning or even loss of on the equipment.

  • Page 18: Removing External Dirt Deposits

     Provide a device that collects any fluid that may Maintaining the equipment escape. For work on the equipment you will need the  Remove the sealing plug (15) at the bottom of following tools: the body.  Combination spanner form B to DIN 3113, sizes ...
  • Page 19 Removing cover Removing control unit  Remove the cover from the body as described in Remove the measuring electrode(s) if Removing cover the section " " from page 19. mounted, before lifting off the cover.  Remove the Allen screws (27). ...
  • Page 20  To remove any persistent residues use a Mounting the control unit cleaning agent that is suitable for the material Attention! and carefully wipe the equipment with a clean, lint-free cloth. Malfunctions may occur if the control unit  Secure the control unit to the body as described is installed incorrectly.
  • Page 21  Replace all gaskets with new ones of the same Mounting cover type. Attention!  Insert a new regulator gasket (28) in the body (2). Equipment may leak if the gasket is  Turn the control unit (4) to the desired position. damaged.
  • Page 22 The torque of the screws on the body depends on the model.  On UNA 45, UNA 46 and UNA 46A with DN 15 to DN 25, the required torque is 35 Nm.  On UNA 45, UNA 46 and UNA 46A with DN 40 to DN 65 and UNA 47 with DN 15 to DN 50 the required torque is 140 Nm.

  • Page 23: Servicing The Equipment And Installing Spare Parts

    Servicing the equipment and installing spare parts You may exchange the following component parts in case of wear or damage: UNA 45, UNA 46, UNA 46A and UNA 47 with standard cover...
  • Page 24 Spare parts for UNA 45, UNA 46, UNA 46A with standard cover Designation Orifice DN 15-25 DN 40-65 Stock code 3, 4, 28 SIMPLEX control unit, complete, with body 560656 560669 gasket and regulator gasket 560657 560670 560658 560671 560659...
  • Page 25 Spare parts for UNA 47 with standard cover Designation Orifice Stock code DN 15–50 3, 4, 28 SIMPLEX control unit, complete, with body gasket 560850 and regulator gasket 560851 560852 3, 18, 28, 29 DUPLEX control unit with bimetallic vent, complete, 560853 with body gasket and regulator gasket 560854...
  • Page 26 UNA 45 with cover for installing electrodes...
  • Page 27 Spare parts for UNA 45 with electrode cover Designation Orifice DN 15-25 DN 40-65 Stock code 3.4, 28 SIMPLEX control unit, complete, with body 560656 560669 gasket and regulator gasket 560657 560670 560658 560671 560659 560672 560660 560673 560661 560674...
  • Page 28 UNA 45 with sightglass cover...
  • Page 29 Spare parts for UNA 45 with sightglass Designation Orifice DN 15-25 DN 40-65 Stock code 3, 4, 28 SIMPLEX control unit, complete, with body 560656 560669 gasket and regulator gasket 560657 560670 560658 560671 560659 560672 3, 19, 28 SIMPLEX-P control unit, complete, with 560662 –...
  • Page 30 " from page 21. Exchanging the membrane regulator capsule The following section applies only to type UNA 45, UNA 46 and UNA 46A devices. On type UNA 47 devices, it is not possible to replace the bimetallic vent.  Remove the cover from the body as described in...
  • Page 31 Replacing the sightglass of the sightglass Attention! cover  Remove the Allen screws (35). Equipment may leak if the gasket is damaged.  Remove the flange (34) from the sightglass (14).  Replace all gaskets that you loosen  Remove the outer gasket (33). during your work.

  • Page 32: Troubleshooting

    Troubleshooting Problem Cause Remedy The equipment is cold or only The inlet or outlet shut-off valves Fully open the shut-off valves. warm to the touch. are closed. Insufficient flowrate. Insufficient thermal output of the user. The equipment is cold or only The inlet, outlet or internals are If fitted, operate the float-lifting lever.
  • Page 33 Problem Cause Remedy The equipment is blowing off The control unit is damaged or Replace the control unit. live steam. worn. Replace the equipment with a new one. The equipment is blowing off The bypass is open. Close the bypass. live steam.

  • Page 34: Putting The Equipment Out Of Operation

     Remove all residues from the equipment. Putting the equipment out of  For the disposal of all residues observe the operation pertinent legal regulations concerning waste disposal. Removing harmful substances Removing the equipment DANGER If the equipment is used in contaminated DANGER areas there is a risk of severe injuries or Personnel working on pipes are exposed to...

  • Page 35: Re-Using Equipment After Storage

     Detach the end connections of the equipment from the pipes.  Put the equipment onto a suitable base.  Store the equipment as described on page 11. Re-using equipment after storage Observe the following instructions if you want to remove the equipment and use it again somewhere else: ...

  • Page 36: Disposing Of The Equipment

     For the disposal of all materials observe the pertinent legal regulations concerning waste disposal. The equipment is made from the following materials: Component Type ASTM Body UNA 45, UNA 46 1.0460 A105 UNA 46A 1.4404 A182-F316L UNA 47 1.5415 –...

  • Page 37: Technical Data

    Technical data Dimensions and weights The drawing shows equipment with standard cover and flanged connection for vertical downward flow.
  • Page 38 UNA 45, UNA 46 and UNA 46A with flange EN 1092-1 PN 10–40 Nominal diameter DN 15 DN 20 DN 25 DN 40 DN 50 DN 65 (½”) (¾”) (1”) (1½”) (2”) (2½”) Installed length L [mm 150 (5.9) 160 (6.3) 230 (9.1)
  • Page 39 UNA 47 DN 15–50 with flange EN 1092-1 B2 PN 63 Nominal diameter DN 15 DN 20 DN 25 DN 40 DN 50 (½”) (¾”) (1”) (1½”) (2”) Installed length L [mm (in)] 230 (9.1) 260 (10.3) 290 (11.5) W [mm (in)] 290 (11.5) H1 [mm (in)] 110 (4.4)
  • Page 40 UNA 45, UNA 46 and UNA 46 with flange ASME B16.5 Class 150/300 Nominal diameter DN 15 DN 20 DN 25 DN 40 DN 50 DN 65 (½”) (¾”) (1”) (1½”) (2”) (2½”) Installed length L [mm 150 (5.9) 160 (6.3) 241 (9.5)
  • Page 41 UNA 47 PN63 with flange ASME B16.5 class 400/600 Nominal diameter DN 15 DN 20 DN 25 DN 40 DN 50 (½”) (¾”) (1”) (1½”) (2”) Installed length L [mm (in)] 241 (9.5) 267 (10.5) 292 (11.5) W [mm (in)] standard cover 290 (11.5) H1 [mm (in)] 110 (4.4)
  • Page 42 UNA 45, UNA 46 and UNA 46A with socket-weld end, socket-weld end via transition piece Nominal diameter DN 15 DN 20 DN 25 DN 40 DN 50 DN 65 (½”) (¾”) (1”) (1½”) (2”) (2½”) Installed length L [mm 95 (3.7) 165 (6.5)
  • Page 43 UNA 47 DN15 to DN40 with socket-weld end, UNA 47 DN50 with socket-weld end via transition piece Nominal diameter DN 15 DN 20 DN 25 DN 40 DN 50 (½”) (¾”) (1”) (1½”) (2”) Installed length L [mm (in)] 165 (6.5) 290 (11.4) (socket-weld end) (socket-weld...
  • Page 44 UNA 45, UNA 46 and UNA 46A with screwed socket Nominal diameter DN 15 DN 20 DN 25 DN 40 DN 50 (½”) (¾”) (1”) (1½”) (2”) Installed length L [mm (in)] 95 (3.7) 165 (6.5) W [mm (in)] Standard cover 171 (6.7)
  • Page 45 UNA 45, UNA 46 and UNA 46A with socket-weld ends via transition pieces Nominal diameter DN 15 DN 20 DN 25 DN 40 DN 50 DN 65 (½”) (¾”) (1”) (1½”) (2”) (2½”) Installed length L [mm 200 (7.9) 241 (9.5) 267 (10.5) 292 (11.5)
  • Page 46 UNA 47 with socket-weld ends via transition pieces Nominal diameter DN 15 DN 20 DN 25 DN 40 DN 50 (½”) (¾”) (1”) (1½”) (2”) Installed length L [mm (in)] 230 (9.1) 260 (10.3) 290 (11.5) W [mm (in)] 290 (11.5) H1 [mm (in)] 110 (4.4) H2 [mm (in)]...
  • Page 47 Space required for servicing To remove the cover a withdrawal space S of 240 mm is required. If the supplied socket spanner is attached to the equipment an additional clearance of 100 mm is required.

  • Page 48: Pressure & Temperature Ratings

    300 °C for resistance to intercrystalline corrosion on UNA 46A, material 1.4408. The maximum differential pressure ΔPMX of the device depends on the orifice used. UNA 45, UNA 46 and UNA 46A Orifice ΔPMX Hole diameter [mm] [bar]...

  • Page 49: Manufacturer's Declaration

    You can find details on the conformity of the equipment in our Declaration of Conformity or Manufacturer's Declaration. You can download the latest Declaration of Conformity or Manufacturer's Declaration at www.gestra.com or request it from the address below: GESTRA AG Münchener Straße 77 28215 Bremen...
  • Page 52 Agencies all over the world: www.gestra.com GESTRA AG Münchener Strasse 77 28215 Bremen Germany Phone +49 421 3503-0 +49 421 3503-393 e-mail info@de.gestra.com www.gestra.com 819311-03/10-2021 kx_mm (808915-03) © GESTRA AG Bremen Printed in Germany...

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