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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. 

 

MK 45-1 

 

MK 45-2 

 

MK 45 A-1 

 

MK 45 A-2 

  

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 thermostatic/thermodynamic steam 
traps are installed in steam lines: 

 

MK 45-1 

 

MK 45-2 

 

MK 45 A-1 

 

MK 45 A-2 

This equipment is designed for discharging 
condensed water or air-venting pipes. 
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. 
Do not expose the control membrane of the 
membrane regulator capsule to superheat 
conditions above 5 °C. 
Correct use includes compliance with the 
instructions given in this installation & operating 
manual, in particular obedience to all safety 
instructions.  
Any other use of the equipment is considered to be 
improper. 

Содержание RHOMBUSline MK 45 A-1

Страница 1: ...Steam Trap MK 45 1 MK 45 2 MK 45 A 1 MK 45 A 2 Original Installation Instructions 810348 12 ...

Страница 2: ...orting the equipment 10 Storing the equipment 10 Transporting the equipment 10 Mounting and connecting the equipment 10 Preparing installation 10 Connecting the equipment 11 Operation 12 After operation 12 Removing external dirt deposits 12 Maintaining the equipment 12 Servicing the equipment and installing spare parts 12 Troubleshooting 17 Putting the equipment out of operation 20 Removing harmfu...

Страница 3: ...ure 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 followi...

Страница 4: ... ratings are exceeded the equipment may be destroyed and hot cold or pressurised fluid may escape Make sure that the equipment is always used within the admissible pressure and temperature ratings You can find information about the pressure and temperature ratings on the name plate and in the Technical data section The equipment is under pressure during operation and can become hot or cold dependi...

Страница 5: ...o 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 a specific risk at ...

Страница 6: ...pply Our equipment is delivered packed and ready for assembly Equipment specification No Designation 1 Screw 2 Name plate 3 Cover 4 Spring 5 Membrane regulator capsule 6 Nozzle insert No Designation 7 Cover gasket 8 Body 9 Flow arrow 10 Strainer 11 Gasket 12 Sealing plug ...

Страница 7: ...e regulator capsule for nozzle insert No Designation 5 Tandem seated membrane regulator capsule for nozzle insert 6 Nozzle insert with tandem seat The nozzle insert features an integral non return valve to prevent back flow The membrane regulator capsules are available for three different opening temperatures Type Undercooling 5N1 Δ T approx 10 K standard 5U1 Δ T approx 30 K 5H1 Δ T approx 5 K Sin...

Страница 8: ...h the following end connections Butt weld ends Socket weld ends Flanges Screwed sockets Name plate identification The following items are indicated on the name plate Manufacturer Type designation Nominal size Pressure rating Max service pressure Max service temperature Max admissible differential pressure Max service temperature at the corresponding service pressure Code letter for opening tempera...

Страница 9: ...team lines Condensate discharge is controlled by the membrane regulator capsule and the associated nozzle insert The membrane regulator capsule is located on top of the nozzle insert Function of the single seated capsule for nozzle insert The membrane regulator capsule contains a liquid filling the evaporation temperature of which is a few degrees below the saturation temperature of water condensa...

Страница 10: ...ing the equipment Please contact the manufacturer if you cannot comply with the recommended storage conditions Transporting the equipment Meet the requirements for storage also when transporting the equipment Prior to transport seal off connections with sealing plugs If you do not have the sealing plugs supplied with the equipment use appropriate seal caps to seal off the connections For short dis...

Страница 11: ...ques during installation and operation Specialist personnel must have knowledge and experience of the type of pipe connection used 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 To allow easy access for routine servicin...

Страница 12: ...ections and valves are tight after any work on the equipment Make sure that equipment gaskets are intact Attention Frost damage may occur when the installation is shut down Drain the equipment if ambient temperatures below 0 C frost are to be expected Removing external dirt deposits To remove dirt deposits rinse the equipment with fresh water and wipe it with a clean lint free cloth To remove any ...

Страница 13: ...gulator capsule 5H1 and nozzle insert complete 378 521 378 521 10 11 12 Strainer with sealing plug and gasket 375 113 375 382 5 Tandem seated membrane regulator capsule 5N1 for nozzle insert 376 165 376 165 Tandem seated membrane regulator capsule 5U1 for nozzle insert 376 166 376 166 Tandem seated membrane regulator capsule 5H1 for nozzle insert 376 173 376 173 7 Cover gasket 375 159 375 159 11 G...

Страница 14: ...rt complete 377 589 377 589 10 11 12 Strainer with sealing plug and gasket 375 113 375 382 5 Single seated membrane regulator capsule 5N2 for nozzle insert 376 167 376 167 Single seated membrane regulator capsule 5U2 for nozzle insert 376 168 376 168 Single seat membrane regulator capsule 5H2 for nozzle insert 376 174 376 174 7 Cover gasket 375 159 375 159 11 Gasket 375 162 375 162 Packaged 10 pcs...

Страница 15: ...wing drawing The membrane regulator capsule is intact if your readings match the values indicated in the following table Type Intact Defective Tandem seated membrane regulator capsule for nozzle insert 5N1 5U1 5H1 x 2 9 mm x 2 9 mm x 2 9 mm Single seated membrane regulator capsule for nozzle insert 5N2 5U2 5H2 x 4 0 mm x 4 0 mm x 4 0 mm Discard and replace defective membrane regulator capsule with...

Страница 16: ...n gasket seating surfaces Checking the component parts for damage Check the removed parts for visible signs of wear or damage Discard and replace any damaged part Mounting the strainer To remove the strainer proceed as follows Apply heat resistant lubricant to the thread of the sealing plug If the gasket is damaged replace it with a new one Put the gasket onto the sealing plug Insert the strainer ...

Страница 17: ...blowing off live steam The membrane regulator capsule and the nozzle insert are dirty There are dirt deposits in the equipment Clean the membrane regulator capsule and the nozzle insert Clean the strainer and the equipment Replace the membrane regulator capsule and the nozzle insert The membrane regulator capsule and the nozzle insert are worn down The seat is leaking Replace the membrane regulato...

Страница 18: ... condensate line Check the size of the condensate line Install a steam trap with a larger condensate discharge capacity a pump steam trap or a condensate return unit The distance between the drain point and the steam trap is too small Install the uninsulated steam trap approx 1 2 m away from the drain point Do not insulate the condensate line and lay it with a gradient so that the condensate is fr...

Страница 19: ...ck the resistance of the body material for the fluid used Use a steam trap made from a material that is suitable for the fluid used The body has been damaged by frost Replace the equipment with a new one When shutting down the installation make sure that the condensate lines and the steam trap are completely drained The body has been damaged by waterhammer Replace the equipment with a new one Take...

Страница 20: ...inent 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 Risk of extremely severe injury or death due to burns freezing or intoxication during work on pipes Make sure that there is no hot or cold fluid in the equipment or pipes Make sure t...

Страница 21: ... must protect the valve from damage in the same way as the original packaging Add the completed and signed decontamination declaration to the valve The decontamination declaration must be attached to the packaging so that it is accessible from outside Register the return delivery with your contractual partner before returning the valve Disposing of the equipment CAUTION Environmental damage may be...

Страница 22: ... 98 4 107 9 95 2 117 5 123 8 Weight kg 3 7 4 3 4 8 3 7 4 3 4 8 3 7 4 3 4 8 Equipment with butt weld ends EN 12627 Edge form to ISO 9692 code number 1 3 ASME B 16 25 ASME B 36 10 Nominal size DN 15 20 25 15 20 25 1 2 3 4 1 1 2 3 4 1 For pipe 21 3 2 0 26 9 2 3 33 7 2 6 21 3 2 8 26 7 2 9 33 4 3 4 Overall length mm 200 Weight kg 2 5 Butt weld ends for other pipe sizes available on request Equipment wi...

Страница 23: ... Flanged Class 150 ASME B16 5 PMA admissible service pressure barg 19 6 13 8 10 2 8 6 6 5 5 5 TMA admissible temperature C 29 38 200 300 345 400 425 End connection Flanged to Class 300 ASME B16 5 Butt weld ends to EN 12627 Socket weld ends to EN 12760 Socket weld ends to Class 3000 ASME B16 11 Screwed sockets to G ISO 228 1 Screwed sockets to NPT ASME B16 11 Pressure1 p bar 51 1 43 8 39 8 37 8 34 ...

Страница 24: ...ance limits for body cover to ASME B16 5 If the operating temperatures exceed 300 C intercrystalline corrosion may occur Do not subject the equipment to operating temperatures higher than 300 C unless intercrystalline corrosion can be ruled out End connection Flanged to Class 300 ASME B16 5 Butt weld ends to EN 12627 Socket weld ends to EN 12760 Socket weld ends to Class 3000 ASME B16 11 Screwed s...

Страница 25: ...ficates You can download the latest Declaration of Conformity at www gestra com You can request the relevant certificates by writing to the following address 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 Modifications to the equipment not approved by us will invalidate the Declaration of Conformity and the ce...

Страница 26: ...26 ...

Страница 27: ...27 ...

Страница 28: ...7 28215 Bremen Germany UK Importer GESTRA UK Ltd Phone 49 421 3503 0 Unit 1 Sopwith Park Royce Close Fax 49 421 3503 393 West Portway Business Park Andover e mail info de gestra com Hampshire SP10 3TS Web www gestra com United Kingdom 810348 12 07 2022 kx_mm 808474 10 GESTRA AG Bremen Printed in Germany ...

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