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Foreword

This installation & operating manual will help you
use the following types of equipment safely and
efficiently for their intended purpose.



UNA 45



UNA 46



UNA 46A



UNA 47

These steam traps will be called equipment in this
document.

This installation & operating manual is intended for
anyone commissioning, using, operating, servicing,
cleaning or disposing of this equipment and, in
particular, for professional after-sales service
technicians, qualified personnel and authorised and
trained staff.

All of these persons must read and understand the
content of this installation & operating manual.

Following the instructions given in this installation &
operating manual helps avoiding danger and
increases the reliability and service life of the
equipment. Please note that in addition to the
instructions 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 available to the operator.

The installation & operating manual is part of the
equipment. Please hand over this installation &
operating manual when selling the equipment or
passing it on.

Formatting features in the
document

Certain text elements of this installation & operating
manual feature a specific typographic design. You
can easily distinguish the following text elements:

Standard text

Cross-reference



Listing



Sub-items in listings



Steps for action.

Here you will find additional useful
information and tips serving to assist you
in using the equipment to its fullest
potential.

Safety

Use for the intended purpose

The following ball float steam traps are designed to
discharge condensate from steam systems:



UNA 45



UNA 46



UNA 46A



UNA 47

Type UNA 45 models can also be used to discharge
condensate from compressed air.

Type UNA 46, UNA 46A and UNA 47 models can
also be used to discharge condensate from other
gases or gas mixtures.

The equipment must only be used within the
allowable pressure and temperature limits and only
if the chemical and corrosive influences on the
equipment are taken into account.

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Содержание UNA 46

Страница 1: ...Ball float steam trap UNA 45 UNA 46 UNA 46A UNA 47 Original Installation Instructions 819311 03 ...

Страница 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 16 After operation 17 Removing external dirt deposits 18 Maintaining the equipment 18 Servicing the equipment and installing spare parts 23 Troubleshooting 32 Putting the equipment out of operat...

Страница 3: ...nstallation operating manual together with the plant documentation for future reference Make sure that this installation operating manual is available to the operator The installation operating manual is part of the equipment Please hand over this installation operating manual when selling the equipment or passing it on Formatting features in the document Certain text elements of this installation...

Страница 4: ...s may occur and hot or toxic fluid could escape The equipment and its component parts must only be mounted or removed by qualified personnel A qualified person must be acquainted with and experienced in the following Making pipe connections Selecting suitable lifting gear and understanding the rules for its safe use Working with dangerous contaminated hot or pressurized fluids If the admissible te...

Страница 5: ...h a particular job to be carried out at the site of installation Protective clothing equipment must provide protection from potential hazards in particular from injuries to Head Eyes Body Hand Feet Hearing Note that this list is not exhaustive The operator must establish personal protective equipment guidelines and specify any additional protective gear that is required if the worker is exposed to...

Страница 6: ...ment is delivered packed and ready for assembly Equipment specification Item no Designation 1 Direction of flow arrow 2 Body 3 Body gasket 4 Control unit shown here control unit SIMPLEX 5 Float Item no Designation 6 Name plate 7 Cover shown here standard cover 8 Orifice 9 Screws 4 pcs ...

Страница 7: ...rench socket wrench not shown The hole in the cover for the manual vent valve can also be used to connect a balance pipe No Designation 14 Sightglass with water level gauge for function check1 15 Drain with sealing plug 16 Manual lifting lever with socket wrench 17 Electrode cover with connection options for electrodes NRG 16 19 or NRG 16 271 1 Not for UNA 47 PN63 ...

Страница 8: ...he following control units No Designation 18 DUPLEX control unit with control membrane 19 SIMPLEX P control unit with Perbunan roller ball 20 Control unit with externally adjustable internal bypass 21 DUPLEX control unit with bimetallic vent UNA 47 ...

Страница 9: ...nnections The equipment is available with the following end connections Flanges Screwed sockets Not for UNA 47 Socket weld ends Butt weld ends via transition pieces Name plate The following items are indicated on the name plate Manufacturer Type designation Design Nominal size Pressure rating Design temperature Design pressure Max service temperature Max admissible differential pressure CE marking...

Страница 10: ...d consumers Type UNA 45 models can also be used to discharge condensate from compressed air Type UNA 46 UNA 46A and UNA 47 models can also be used to discharge condensate from other gases or gas mixtures Function A float ball opens the orifice based on the fill level This regulates the drainage rate With the orifice opened to maximum the drainage rate depends on the diameter of the orifice Models ...

Страница 11: ... 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 sufficient support for the equipment during transport and installation Wear protective safety footwear Lightweight equipment may be transported and mounted without us...

Страница 12: ...ended re activation Orientation of 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 of installation are possible with horizontal connections hl and hr for installation in horizontal pipes with vertical connections v for installation in vertical pipework with downward flow Attentio...

Страница 13: ...and conditions determine what weight can be lifted and if support is required Attention Equipment will be damaged if the end connections are undersized Make sure that the connections are strong and rigid enough to support the weight of the equipment and to withstand the forces that occur during operation Consider space required for servicing the equipment and or exchanging components and observe t...

Страница 14: ...l 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 Make sure that the equipment is safely mounted and that all connections are made correctly ...

Страница 15: ...rode operating instructions Fit the measurement electrodes as follows Lubricate the thread and head of the measurement electrode with temperature resistant lubricant The lubricant must have the same properties as OKS 217 If you wish to fit a NRG16 27 measurement electrode with adapter 22 in the top connection you must proceed as follows Place the sealing ring of the adapter onto the adapter Screw ...

Страница 16: ...he equipment by opening the orifice and draining the liquid The cast arrow on the body indicates the correct direction of rotation To open the orifice turn the socket spanner from the tip of the arrow towards the end of the arrow To close the orifice turn the socket spanner from the end of the arrow towards the tip of the arrow The optional bypass can be used to adjust the bypass flow using the so...

Страница 17: ...n to room temperatures Wear protective clothing that is suitable for the fluid and if necessary wear protective gear For more information on suitable protective clothing and safety gear refer to the safety data sheet of the fluid in question DANGER 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 equipment Only qua...

Страница 18: ...F 24 mm A F 32 mm Torque spanner to DIN ISO 6789 up to 10 Nm 10 60 Nm 60 120 Nm 120 300 Nm Allen key to DIN ISO 2936 sizes A F 4 mm A F 6 mm A F 8 mm Screwdriver 5 5 125 to DIN 5265 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...

Страница 19: ... 4 from the body 2 Remove the regulator gasket 28 For the disposal of the gaskets observe the pertinent on site regulations concerning waste disposal Cleaning the equipment Check the equipment at regular intervals for contamination The intervals depend on the amount of dirt in the system The operator must determine the maintenance intervals Remove any parts that are dirty and cannot be cleaned pro...

Страница 20: ... with cold clean water Use a depth gauge to check the dimension x of the membrane regulator capsule as shown in the following drawing The membrane regulator capsule is intact if dimension x exceeds 4 0 mm Discard and replace defective membrane regulator capsule with a new one Mount the membrane regulator capsule as described in section Exchanging the membrane regulator capsule on page 30 Mounting ...

Страница 21: ...fied torque Attach the cover to the body as described in the section Mounting cover from page 21 Mounting cover Attention Equipment may leak if the gasket is damaged It is therefore essential that you always insert a new gasket before re attaching the cover Make sure that the cover is not tilted or skewed when refitted Clean the gasket surfaces of the cover and body Apply heat resistant lubricant ...

Страница 22: ...d the spring is on the cover 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 Tighten the four screws to the specified torque If necessary fit the measurement electrode as described in the section Mounti...

Страница 23: ...23 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 ...

Страница 24: ...60663 4 560651 560664 8 560652 560665 13 560653 560666 22 560654 560667 32 560655 560668 3 29 Control membrane 5N2 complete with body gasket All 560494 560687 12 13 Manual vent valve complete with sealing ring All 560676 12 16 Manual lifting lever complete with sealing ring All 560677 560678 3 Body gasket1 All 560493 560680 12 Sealing ring for sealing plug manual lifting lever manual vent valve or...

Страница 25: ...28 560854 45 560855 12 13 Manual vent valve complete with sealing ring All 560676 12 16 Manual lifting lever complete with sealing ring All 560678 3 Body gasket1 All 560680 12 Sealing ring for sealing plug manual lifting lever manual vent valve or externally adjustable internal bypass1 All 5604862 or 5605142 28 Regulator gasket1 All 560682 3 12 28 Seal set3 All 560856 1 Order quantity 20 items 2 5...

Страница 26: ...26 UNA 45 with cover for installing electrodes ...

Страница 27: ...ete with body gasket and regulator gasket 2 560650 560663 4 560651 560664 8 560652 560665 13 560653 560666 22 560654 560667 32 560655 560668 3 29 Control membrane 5N2 complete with body gasket All 560494 560687 12 16 Manual lifting lever complete with sealing ring All 560685 560686 3 Body gasket1 All 560493 560680 12 Sealing ring for sealing plug or manual lifting lever1 All 5604862 or 5605142 27 ...

Страница 28: ...28 UNA 45 with sightglass cover ...

Страница 29: ...et and regulator gasket 2 560650 560663 4 560651 560664 8 560652 560665 13 560653 560666 3 29 Control membrane 5N2 complete with body gasket All 560494 560687 12 13 Manual vent valve complete with sealing ring All 560676 12 16 Manual lifting lever complete with sealing ring All 560685 560686 3 Body gasket1 All 560493 560680 12 Sealing ring for sealing plug manual lifting lever or manual vent valve...

Страница 30: ...m page 19 In equipment with DN 15 DN 25 the cover presses the membrane regulator capsule onto the seat You can therefore easily detach the membrane regulator capsule from the seat after removing the cover In equipment with DN 40 and DN 50 a mounting clip is used to fix the membrane regulator capsule in place To exchange the membrane regulator capsule first you have to remove the mounting clip For ...

Страница 31: ... may leak if the gasket is damaged Replace all gaskets that you loosen during your work Use only new gaskets of the same type Apply heat resistant lubricant to the threads and bearing faces of the socket head cap screws The lubricant must have the same properties as OKS 217 Insert a new gasket in the sightglass cover Insert a new sightglass Put a new gasket on the sightglass Screw the socket head ...

Страница 32: ...lowrate capacity Use a different equipment type Insufficient flowrate Insufficient thermal output of the user The line leading to the equipment does not have a gradient Lay the condensate line with a gradient so that the condensate is free to fall towards the equipment Change the orientation of the pipeline Insufficient flowrate Insufficient thermal output of the user Insufficient deaeration Conne...

Страница 33: ...dition of the equipment Replace the equipment if it is damaged Fluid escapes equipment is leaking The equipment has been damaged by frost Replace the equipment with a new one When shutting down the installation make sure that all lines and the equipment are completely drained Fluid escapes equipment is leaking The equipment has been damaged by waterhammer Replace the equipment with a new one Take ...

Страница 34: ... 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 equipment DANGER Personnel working on pipes are exposed to safety risks and may suffer severe injuries poisoning or even loss of life Make sure that no hot or hazard...

Страница 35: ...tructions 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 are in good condition and leak free If necessary re work welded connections in order to ensure that they are in good working condition Use the equipment only for its intended purpose and the service conditions for which it was speci...

Страница 36: ...erning waste disposal The equipment is made from the following materials Component Type EN ASTM Body UNA 45 UNA 46 1 0460 A105 UNA 46A 1 4404 A182 F316L UNA 47 1 5415 Cover UNA 45 sightglass electrode cover 5 3103 A3951 UNA 46 1 0619 SA216 WCB UNA 46A 1 4408 A351 CF8M UNA 47 1 5419 Body gasket regulator gasket All Graphite CrNi Other components All Stainless steel 1 ASTM material is comparable to ...

Страница 37: ...37 Technical data Dimensions and weights The drawing shows equipment with standard cover and flanged connection for vertical downward flow ...

Страница 38: ...m in 90 3 5 1 151 5 9 1 Total height H mm in 150 5 9 1 258 10 2 1 Width L1 mm in 110 4 3 2 170 6 7 2 X mm in 13 0 5 Weight kg Standard cover Sightglass Electrode cover 6 8 9 7 8 5 7 3 10 2 9 0 7 8 10 7 9 5 24 8 30 5 28 0 26 2 31 9 29 4 28 6 34 3 31 8 Weight lb Standard cover Sightglass Electrode cover 15 0 21 4 18 7 16 1 22 5 19 8 17 2 23 6 20 9 54 7 67 2 61 7 57 8 70 3 64 8 63 1 75 6 70 1 1 Plus ...

Страница 39: ...75 0 1 Plus 25 mm 1 in if fitted with manual vent valve 2 Plus 35 mm 1 4 in if fitted with manual lifting lever Special length UNA 47hl with flange EN 1092 1 B2 PN 63 Nominal diameter DN 25 1 DN 40 1 DN 50 2 Installed length L mm in 300 11 9 420 16 6 416 16 4 W mm in 290 11 5 H1 mm in 110 4 4 H2 mm in 155 6 2 1 Total height H mm in 260 10 3 1 Width L1 mm in 175 6 8 2 X mm in 13 0 5 Weight kg 29 35...

Страница 40: ...ard cover Sightglass Electrode cover 6 2 9 1 7 9 6 6 9 5 8 3 7 2 10 1 8 9 23 8 29 5 27 0 25 9 31 6 29 1 29 4 35 1 32 6 Weight lb Standard cover Sightglass Electrode cover 13 7 20 1 17 4 14 6 20 9 18 3 15 9 22 3 19 6 52 5 65 0 56 2 57 1 69 7 60 8 64 8 77 4 68 6 Weight class 300 Weight kg Standard cover Sightglass Electrode cover 6 6 9 5 8 3 7 4 10 3 9 1 8 2 11 1 9 9 26 0 31 7 29 2 27 5 33 2 30 7 31...

Страница 41: ...241 9 5 267 10 5 292 11 5 W mm in standard cover 290 11 5 H1 mm in 110 4 4 H2 mm in 155 6 2 1 Total height H mm in 260 10 3 1 Width L1 mm in 175 6 8 2 X mm in 13 0 5 Weight kg 25 26 27 32 34 Weight lb 55 1 57 3 59 5 70 5 75 0 1 Plus 25 mm 1 in if fitted with manual vent valve 2 Plus 35 mm 1 4 in if fitted with manual lifting lever ...

Страница 42: ...7 3 287 11 3 333 13 1 306 12 0 H1 mm in 60 2 4 107 4 2 H2 mm in 90 3 5 1 151 5 9 1 Total height H mm in 150 5 9 1 258 10 2 1 Width L1 mm in 110 4 3 2 170 6 7 2 X mm in 13 0 5 Weight kg Standard cover Sightglass Electrode cover 5 3 8 2 7 0 5 2 8 1 6 9 21 2 26 9 24 4 21 9 27 6 25 1 24 6 30 3 27 8 Weight lb Standard cover Sightglass Electrode cover 11 7 18 1 15 4 11 5 17 9 15 2 46 7 59 3 53 8 48 3 60...

Страница 43: ...h L mm in 165 6 5 socket weld end 290 11 4 socket weld end via transition piece EN ASME W mm in 290 11 5 H1 mm in 60 2 4 H2 mm in 90 3 5 1 Total height H mm in 150 5 9 1 Width L1 mm in 110 4 3 2 X mm in 13 0 5 Weight kg 24 23 25 27 Weight lb 52 9 50 7 55 1 59 5 1 Plus 25 mm 1 in if fitted with manual vent valve 2 Plus 35 mm 1 4 in if fitted with manual lifting lever ...

Страница 44: ...in 90 3 5 1 151 5 9 1 Total height H mm in 150 5 9 1 258 10 2 1 Width L1 mm in 110 4 3 2 170 6 7 2 X mm in 13 0 5 Weight kg Standard cover Sightglass Electrode cover 5 3 8 2 7 0 5 2 8 1 6 9 5 1 8 0 6 8 21 2 26 9 24 4 20 9 26 6 24 1 Weight lb Standard cover Sightglass Electrode cover 11 7 18 1 15 4 11 5 17 9 15 2 11 2 17 6 15 0 46 7 59 3 53 8 46 1 58 6 53 1 1 Plus 25 mm 1 in if fitted with manual v...

Страница 45: ...in 60 2 4 107 4 2 H2 mm in 90 3 5 1 151 5 9 1 Total height H mm in 150 5 9 1 258 10 2 1 Width L1 mm in 110 4 3 2 170 6 7 2 X mm in 13 0 5 Weight kg Standard cover Sightglass Electrode cover 5 6 8 5 7 3 5 7 8 6 7 4 21 3 27 0 24 5 21 6 27 3 24 8 22 5 28 2 25 7 Weight lb Standard cover Sightglass Electrode cover 12 3 18 7 16 1 12 6 19 0 16 3 47 0 59 5 54 0 47 6 60 2 54 7 49 6 62 2 56 7 1 Plus 25 mm 1...

Страница 46: ...lled 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 155 6 2 1 Total height H mm in 260 10 3 1 Width L1 mm in 175 6 8 2 X mm in 13 0 5 Weight kg 24 26 Weight lb 52 9 57 3 1 Plus 25 mm 1 in if fitted with manual vent valve 2 Plus 35 mm 1 4 in if fitted with manual lifting lever ...

Страница 47: ...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 ...

Страница 48: ...trol unit with Perbunan roller ball maximum operating temperature 40 C at ΔPMX of 16 bar Models with DUPLEX control unit with control membrane The maximum operating temperature is equal to the saturated steam temperature 5 K According to the AD 2000 regulation the temperature limit is 300 C for resistance to intercrystalline corrosion on UNA 46A material 1 4408 The maximum differential pressure ΔP...

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

Страница 50: ...50 ...

Страница 51: ...51 ...

Страница 52: ...world www gestra com GESTRA AG Münchener Strasse 77 28215 Bremen Germany Phone 49 421 3503 0 Fax 49 421 3503 393 e mail info de gestra com Web www gestra com 819311 03 10 2021 kx_mm 808915 03 GESTRA AG Bremen Printed in Germany ...

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