GESTRA UNA 43 Original Installation Instructions Download Page 1

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Ball Float Steam Trap

UNA 43

PN 16/CL 125/JIS 10K

UNA 46

PN 40/CL 150/CL 300/

JIS 10K/JIS 20K

Original Installation Instructions

819565-00

Summary of Contents for UNA 43

Page 1: ...Ball Float Steam Trap UNA 43 PN 16 CL 125 JIS 10K UNA 46 PN 40 CL 150 CL 300 JIS 10K JIS 20K Original Installation Instructions 819565 00 ...

Page 2: ... equipment 11 Storing the equipment 11 Transporting the equipment 11 Mounting and connecting the equipment 12 Preparing installation 12 Orientation of the equipment 12 Connecting the equipment 13 Operation 15 After operation 16 Removing external dirt deposits 17 Maintaining the equipment 17 Servicing the equipment and installing spare parts 22 Troubleshooting 26 Putting the equipment out of operat...

Page 3: ...ructions given in this installation operating manual you must also observe all locally applicable rules and regulations concerning the prevention of accidents as well as approved safety guidelines for good professional practice Availability Keep this installation operating manual together with the plant documentation for future reference Make sure that this installation operating manual is availab...

Page 4: ...ompletely removed from the pipes and the equipment During work on the equipment the installation must be switched off and protected against unauthorised or unintended activation The pipes and the equipment must have cooled down to room temperature approx 20 C If the equipment is used in contaminated areas there is a risk of severe injuries or death caused by harmful substances in or on the equipme...

Page 5: ...ke sure that the flow arrow on the equipment body matches the indicated direction of the fluid flow in the pipe If the material is unsuitable for the fluid increased wear may occur and fluid may escape Make sure that the material is suitable for the fluid used in your installation Qualification of personnel A qualified person must be acquainted with and experienced in the following the pertinent o...

Page 6: ...us situations that could lead to death or serious injuries CAUTION Notes with the heading CAUTION warn against dangerous situations that could lead to minor or moderate injuries Formatting features for warnings of property damage Attention This information warns of a situation leading to property damage Description Scope of supply and equipment specification Scope of supply Our equipment is delive...

Page 7: ...ponent parts Item no Designation 1 Hexagon nuts 2 Body 3 Body gasket 4 Control unit DUPLEX 5 Stud bolts Item no Designation 6 Cover 7 Drain with sealing plug 8 Name plate 9 Adapter 10 Direction of flow arrow ...

Page 8: ...vent valve can also be used for connecting a balance line Item no Designation 13 Sealing plug 14 Electrodes NRG 16 19 or NRG 16 27 15 Manual float lifting lever 16 Lever extension In equipment with control unit SIMPLEX the hand vent valve is included as standard If you want to mount the optional level indicator please contact the manufacturer and refer to the installation and operating manual for ...

Page 9: ...connections The equipment is available with the following end connections Flanges Name plate The indications on the name plates vary according to the equipment type The name plate may specify the following Manufacturer Type designation Design Nominal size Pressure rating Design pressure Design temperature Max service temperature Max admissible differential pressure Material number CE marking Date ...

Page 10: ...densate from steam systems Steam traps type UNA 43 can also be used for removing condensate from compressed air systems Steam traps type UNA 46 can also be used for removing condensate from gases or gas mixtures Function A ball float opens the orifice as a function of the liquid level A rising level results in a proportional opening of the equipment The max discharge capacity depends on the orific...

Page 11: ...hese requirements are always met when storing the equipment Please contact the manufacturer if you cannot comply with the recommended storage conditions Transporting the equipment CAUTION Do not drop the equipment If it falls down it may cause bruises and injuries To transport and mount the equipment safely use suitable lifting gear Connect the noose strap of the lifting gear to the body Provide s...

Page 12: ... that all pipelines upstream and downstream of the equipment are depressurised Switch the installation off and protect it against unauthorised or unintended re activation Malfunctions may occur if the equipment is used with different types of condensate The following condensates in particular cause problems very oily condensates condensates that resinify or become gummy condensates that recrystall...

Page 13: ...direction of the fluid Use the two socket head cap screws to attach the blind flange to the open connection on top of the body Tighten the two socket head cap screws with a torque of 30 Nm Attach the cover to the body as described on page 21 To prevent ordering the wrong type when replacing the equipment note the modification you made on the name plate Change the type marking according to the actu...

Page 14: ...ed installation position Make sure that the pipes meet the following requirements The layout of the pipelines must prevent the formation of water pockets The pipeline must have a gradient so that the condensate is free to fall towards the equipment The cross section of the air balance pipe must be at least DN 8 If the equipment is fitted with control unit SIMPLEX an air balance pipe must be connec...

Page 15: ...wear protective gear Protective clothing and protective gear must protect the whole body against contact with escaping hot steam For more information on suitable protective clothing and safety gear refer to the safety data sheet of the fluid in question During operation you can undertake the following work Open and close the optional hand vent valve Open and close the optional manual float lifting...

Page 16: ...uipment or the pipes Make sure that the pipes upstream and downstream of the equipment are depressurised Make sure that the installation is switched off and protected against unauthorised or unintended activation Make sure that the equipment and the pipes have cooled down to room temperatures Wear protective clothing that is suitable for the fluid and if necessary wear protective gear For more inf...

Page 17: ...e the equipment with fresh water and wipe it with a clean lint free cloth To remove any persistent residues use a cleaning agent that is suitable for the material and carefully wipe the equipment with a clean lint free cloth Maintaining the equipment For work on the equipment you will need the following tools Combination spanner to DIN 3113 form B in various sizes Several torque spanners to DIN IS...

Page 18: ...For the disposal of the body gasket observe the pertinent on site regulations concerning waste disposal Removing control unit Detach the cover from the body as described on page 18 Remove the two socket head cap screws 20 Remove the control unit 4 together with the adapter 18 from the body Remove the adapter gasket 17 Detach the control unit from the adapter Remove the gasket 19 for the control un...

Page 19: ...clean lint free cloth To remove any persistent residues use a cleaning agent that is suitable for the material and carefully wipe the equipment with a clean lint free cloth Remove any parts that are dirty and cannot be cleaned properly Fit the control unit to the equipment as described on page 20 Attach the cover to the body as described on page 21 Cleaning and checking the membrane regulator caps...

Page 20: ...hreads bearing faces of screws nuts and bolts The lubricant must have the same properties as OKS 217 Attention Equipment may leak if the gasket is damaged Replace all gaskets that you loosen during your work Use only new gaskets of the same type Replace all gaskets with new ones of the same type Insert a new gasket 19 for the control unit into the adapter 18 Attach the control unit 4 to the adapte...

Page 21: ...screws The lubricant must have the same properties as OKS 217 Put a new body gasket 3 onto the body 2 Insert the eight stud bolts 5 into the bores of the body Refit the cover 6 onto the body such that the name plate 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...

Page 22: ...22 Servicing the equipment and installing spare parts You may exchange the following component parts in case of wear or damage ...

Page 23: ... 23 Gasket set1 all 560750 12 22 Hand vent valve cpl with joint ring and socket spanner all 560676 15 16 23 Manual float lifting lever cpl with gasket and lever extension all 560749 3 21 Membrane regulator capsule 5N2 cpl with body gasket all 560748 24 Orifice 2 560734 560741 4 560735 560742 8 560736 560743 13 560737 560744 22 560738 560745 32 560739 560746 40 560740 560747 Socket spanner for hand...

Page 24: ...ator capsule onto the seat until it snaps into place Slip the mounting clip over the membrane regulator capsule Attach the cover to the body as described on page 21 Exchanging the hand vent valve Unscrew the hand vent valve or the sealing plug off the bore Danger Fluid may escape if connections are leaking or sealing rings are damaged Insert a new gasket before re installation Use the sealing plug...

Page 25: ...NA 43 a torque of 75 Nm is required For UNA 46 a torque of 140 Nm is required Use a torque spanner A F 36 to tighten the float lifting lever to the specified torque Pull the lever out of the stuffing box packing Attach the lever extension Turn the float lifting lever Attention Equipment may not work properly or get damaged if the stuffing box packing is tightened with the wrong torque Tighten the ...

Page 26: ...lace the equipment with a new one Take appropriate measures to protect the equipment against waterhammer Use e g non return valves or a pump steam trap The discharge capacity is too low Insufficient thermal output of the user The differential pressure is too small Increase the steam pressure Lower the pressure in the condensate line Use equipment with a larger discharge capacity If necessary use a...

Page 27: ... packing hand tight Make sure that the stuffing box packing does not impair the movement of the internals Fluid escapes equipment is leaking The stuffing box packing is damaged Replace the stuffing box packing The discharge capacity is too low The equipment is cold or only warm to the touch Insufficient thermal output of the user The inlet outlet or the equipment is dirty If fitted operate the flo...

Page 28: ...mental damage may be caused by poisonous fluid residues Before disposing of the equipment make sure that it is clean and free of fluid residues For the disposal of all materials observe the pertinent legal regulations concerning waste disposal Remove all residues from the equipment For the disposal of all residues observe the pertinent legal regulations concerning waste disposal Removing the equip...

Page 29: ...ear protective safety footwear 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 Make sure that the equipment is free of any fluid residues Make sure that all connections a...

Page 30: ...tions concerning waste disposal The equipment is made from the following materials Component part Type EN ASTM Body UNA 43 5 1301 A126 B UNA 46 1 0619 SA216 WCB Cover UNA 43 5 1301 A126 B UNA 46 1 0619 SA216 WCB Body gasket control unit gasket adapter gasket all Graphite CrNi Membrane regulator capsule all Hastelloy stainless steel Sealing plugs stud bolts nuts manual float lifting lever all Forge...

Page 31: ...31 Technical data Dimensions and weights The drawing shows equipment with flanged connection for downward flow ...

Page 32: ...eights kg lb Weight EN PN16 40 ASME CL 125 150 JIS 10K JIS 20K 111 244 7 UNA 46 ASME CL 300 114 251 3 DN 100 4 Abbreviation End connection mm B all 471 18 5 H1 all 150 5 9 H2 all 273 10 7 H all 423 16 7 L1 all 250 9 8 L2 all 325 12 8 L Flange to EN 450 17 7 Flange to ASME JIS 457 18 0 X all 13 0 5 Weights kg lb Weight EN PN16 40 ASME CL 125 150 JIS 10K JIS 20K 117 257 9 UNA 46 ASME CL 300 125 275 ...

Page 33: ...2 all 273 10 7 H all 423 16 7 L1 all 250 9 8 L2 all 325 12 8 L Flange to EN 500 19 7 Flange to ASME JIS 502 19 75 X all 13 0 5 Weights kg lb Weight UNA 43 EN PN 16 ASME CL 125 JIS 10K 132 291 0 UNA 46 EN PN 40 ASME CL 150 JIS 10K JIS 20K 138 304 2 UNA 46 ASME CL 300 150 330 7 ...

Page 34: ...ipment an additional clearance of 150 mm is required Pressure temperature ratings You can find the values for your equipment on the rating plate The max differential pressure Δ PMX of the equipment depends on the type of orifice O used Orifice ΔPMX bar Diameter of bore mm 2 2 32 0 4 4 25 8 8 8 19 8 13 13 16 6 22 22 18 5 32 32 15 9 40 40 14 5 ...

Page 35: ...turer 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 Telefon 49 421 3503 0 Telefax 49 421 3503 393 E Mail info de gestra com Web www gestra de This declaration is no longer valid if modifications are made to the equipment without consultation with us ...

Page 36: ...rld www gestra de GESTRA AG Münchener Straße 77 28215 Bremen Germany Telefon 49 421 3503 0 Telefax 49 421 3503 393 E Mail info de gestra com Web www gestra de 819565 00 12 2016 kx_mm 808959 00 GESTRA AG Bremen Printed in Germany ...

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