Contents Foreword ............................3 Availability ............................. 3 Formatting features in the document ...................... 3 Safety ..............................4 Use for the intended purpose ......................... 4 Basic safety notes ..........................4 Information on property damage or malfunctions ..................5 Qualification of personnel ........................5 Protective gear ............................
Certain text elements of this installation & operating efficiently for their intended purpose. manual feature a specific typographic design. You UNA 43 can easily distinguish the following text elements: Standard text UNA 46...
Risk of severe injuries Use for the intended purpose The equipment is under pressure during Steam traps type UNA 43 and UNA 46 are designed operation and may be hot. Before carrying out for draining condensate from steam systems.
Qualification of personnel If unsuitable lifting gear is used or the gear is used improperly the equipment or parts of it A qualified person must be acquainted with and could fall down. experienced in the following: Make sure that only qualified personnel lifts ...
Typographic features of warning notes DANGER Notes with the heading DANGER warn against imminent dangerous situations that can lead to death or serious injuries. WARNING Notes with the heading WARNING warn against possibly dangerous situations that could lead to death or serious injuries. CAUTION Notes with the heading CAUTION warn against dangerous situations that could...
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Component parts Item Designation Item Designation Hexagon nuts Cover Body Drain with sealing plug Body gasket Name plate Control unit DUPLEX Adapter Stud bolts Direction of flow arrow...
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Optional extras The following items are available as optional extra: Item Designation Item Designation Control unit SIMPLEX Sealing plug Hand-vent valve with socket spanner Electrodes NRG 16-19 or NRG 16-27 (socket spanner not shown) Manual float-lifting lever The vent hole in the cover for the hand- Lever extension vent valve can also be used for connecting a balance line.
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The different equipment versions allow you to adjust Name plate the flow direction of the equipment to the flow The indications on the name plates vary according pattern of your installation. The flow arrow must to the equipment type. correspond to the direction of the fluid flow. The The name plate may specify the following: following positions of installation are possible: ...
UNA 43 Steam traps type UNA 43 can also be used for Fluids of group 2 removing condensate from compressed air systems. UNA 46 Steam traps type UNA 46 can also be used for ...
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 transported improperly. To transport and mount the equipment safely use suitable lifting gear.
Make sure that all pipelines upstream and Mounting and connecting the downstream of the equipment are equipment depressurised. Switch the installation off and protect it against Preparing installation unauthorised or unintended re-activation. Take the equipment out of the transport Malfunctions may occur if the equipment is packaging.
To avoid malfunctions make sure the following To prevent ordering the wrong type when replacing requirements are met when mounting the the equipment note the modification you made on equipment: the name plate. The flow arrow on the equipment body must ...
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The pipeline must have a gradient so that the Attention! condensate is free to fall towards the equipment The cross section of the air balance pipe must Equipment will be damaged if the end be at least DN 8 (¼ ") . connections are undersized.
Torque spanner (US: wrench) 60-120 Nm to Operation DIN ISO 6789 WARNING Attention! Hot liquids and steam can cause scalding. The measuring electrode might get Wear protective clothing that is damaged if it is mounted incorrectly. suitable for the fluid and, if necessary, ...
To close the orifice turn the lever extension from DANGER the end of the arrow towards the tip of the arrow. Personnel working on pipes are exposed to To operate the hand vent valve use the socket safety risks and may suffer severe injuries, spanner (stock code number 526110) supplied with poisoning or even loss of life.
Maintaining the equipment Attention! For work on the equipment you will need the following tools: Frost damage may occur when the Combination spanner to DIN 3113 form B in installation is shut down. various sizes: Drain the equipment if ambient ...
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Removing cover Removing control unit Detach the cover from the body as described on Remove the measuring electrode(s) if page 18. mounted, before lifting off the cover. Remove the two socket-head cap screws (20). Use a suitable combination spanner to DIN 3113, form B, to remove the ...
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Cleaning the equipment Cleaning and checking the membrane regulator capsule Check the equipment at regular intervals for contamination. The intervals depend on the amount To clean the membrane regulator capsule of of dirt in the system. The operator must determine equipment with a DUPLEX control unit proceed as the maintenance intervals.
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Fitting control unit in place Attention! Malfunctions may occur if the control unit is installed incorrectly. When installing the equipment make sure that the name plate points upwards and the float arm is free to move up and down. ...
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(8) points upwards. The torque required for tightening the eight hexagon nuts (1) depends on the type. Tighten the hexagon nuts for UNA 43 with a torque of 80 Nm. Tighten the hexagon nuts for UNA 46 with a torque of 230 Nm.
Servicing the equipment and installing spare parts You may exchange the following component parts in case of wear or damage:...
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Item no. Designation Orifice Stock code # DUPLEX SIMPLEX 3, 4/11, 17, 19, Control unit including orifice, cpl. with body gasket, 560720 560727 adapter gasket and gasket for control unit, socket- 560721 560728 head cap screws 560722 560729 560723 560730 560724 560731 560725 560732 560726 560733...
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Exchanging the control unit Exchanging the hand-vent valve Take out the control unit, as described on page Unscrew the hand vent valve or the sealing plug off the bore. Fit the control unit to the equipment, as described on page 20.
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The torque required for tightening the float-lifting lever depends on the type. If necessary remove the lever extension (16). For UNA 43 a torque of 75 Nm is required. Loosen the manual float-lifting lever (15) and the stuffing-box packing (27).
Troubleshooting Problem Cause Remedy The discharge capacity is too The equipment is undersized. Use equipment with a larger discharge low. capacity. Insufficient thermal output of the user. The discharge capacity is too Steam pressure and condensate Use equipment with a larger discharge low.
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Problem Cause Remedy The discharge capacity is too The shut-off valves for fluid flow Fully open the shut-off valves. low. are closed. The equipment is cold or only warm to the touch. The equipment is cold or only The sealing plugs are still Remove the equipment.
Putting the equipment out of operation Caution Removing harmful substances Environmental damage may be caused by poisonous fluid residues. DANGER Before disposing of the equipment make sure that it is clean and free of If the equipment is used in contaminated fluid residues.
Make sure that all pipelines upstream and downstream of the equipment are depressurised. CAUTION Do not drop the equipment. If it falls down it may cause bruises and injuries. When dismounting the equipment use suitable lifting gear. Connect the noose strap of the lifting gear to the body.
For the disposal of all materials observe the pertinent legal regulations concerning waste disposal. The equipment is made from the following materials: Component part Type ASTM Body UNA 43 5.1301 A126-B UNA 46 1.0619 SA216-WCB Cover UNA 43 5.1301...
Technical data Dimensions and weights The drawing shows equipment with flanged connection for downward flow.
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DN 80 (3”) Abbreviation End connection [mm] ["] 18.5 10.7 16.7 12.8 Flange to EN 17.7 Flange to ASME, JIS 18.0 Weights [kg] [lb] Weight EN PN16/40, 244.7 ASME CL 125/150, JIS 10K, JIS 20K UNA 46 ASME CL 300 251.3 DN 100 (4”) Abbreviation...
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Flange to EN 19.7 Flange to ASME, JIS 19.75 Weights [kg] [lb] Weight UNA 43 EN PN 16, 291.0 ASME CL 125, JIS 10K UNA 46 EN PN 40, 304.2 ASME CL 150, JIS 10K, JIS 20K UNA 46 ASME CL 300...
To remove the cover a withdrawal space S of 350 mm is required. If the supplied socket spanner or the lever extension is attached to the equipment an additional clearance of 150 mm is required. Pressure & temperature ratings You can find the values for your equipment on the rating plate.
Assessment according to European rules refer to our Declaration of Conformity or our Declaration by Manufacturer. To download the current Declaration of Conformity or Declaration by Manufacturer go to www.gestra.com/documents or contact: GESTRA AG Münchener Straße 77 28215 Bremen Germany...
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