MK 45A Stainless Steel Design

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Maintenance GESTRA steam traps type MK 45 A do not require any special maintenance. However, if used in new installations which have not been rinsed it may be necessary to check and clean the trap. Check steam trap You can check the steam trap MK 45 A for steam loss during operation using the ultrasonic measuring unit VAPOPHONE ® or the test unit TRAPt est ® . The reference points are at the name plate on the cover, Fig. 4, Fig. 5. Should you detect any loss of live steam clean the trap and/or replace the control unit. Clean/exchange capsule and nozzle insert 1. Take heed of the note “Danger” on page 7. 2. Undo body screws . Remove cover from the body . A C I 3. Remove and clean capsule . Unscrew nozzle insert . E F 4. Replace capsule E in case of visible signs of wear or damage. 5. Clean body, internals and all gasket surfaces. 6. Apply heat-resistant lubricant to all threads and the seating surface of the nozzle insert and the cover (use for instance WINIX ® 2150). 7. Screw in nozzle insert and tighten with a torque of 90 Nm. 8. Position capsule onto the nozzle insert and press evenly, such that the E F capsule snaps into place. 9. Replace gasket only if there are visual signs of damage. Use the same H cover . Always replace gasket when using a new cover or the cover of C H C another steam trap. 10. Put cover onto the body. Tighten hexagon-head screws alternately and in several A steps to a torque of 25 Nm. Tools n Spanner A. F. 16 mm to DIN 3113, form B n Spanner A. F. 22 mm to DIN 3113, form B n Torque spanner 20 – 120 Nm to DIN ISO 6789 Clean/exchange strainer Take heed of note “Danger” on page 7. 1. 2. 3. 4. 5. 6. 7. 12 Unscrew sealing plug and remove strainer . L J Clean strainer, sealing plug and gasket seats. Exchange strainer and sealing plug in case of visible signs of wear or damage. Exchange gasket if damaged. K Apply heat-resistant lubricant to the thread of the sealing plug (use for instance WINIX ® 2150). Replace gasket and strainer and tighten sealing plug with a torque of K J L 120 Nm. Tools n Spanner A. F. 30 mm to DIN 3113, form B n Torque spanner 20 – 120 Nm to DIN ISO 6789 WINIX ® 2150 is a registered trademark of WINIX GmbH, Norderstedt
Maintenance – con tin u ed – Torques Item Designation Torque [Nm] F Nozzle insert 90 A Body screws 25 L Sealing plug All torques are based on 20 °C room temperature. Spare Parts Spare Parts List Item Designation E1 F1 H E2 F2 H K J L E1 E2 H K Membrane regulator, complete 5 N 1 Membrane regulator, complete 5U 1 Membrane regulator, complete 5 N 2 Membrane regulator, complete 5U2 Strainer set, complete Ref. no. 120 MK 45A-1 MK 45A-2 375109 375111 Thermostatic capsule 5N 1 376165 1 ) Thermostatic capsule 5U 1 Thermostatic capsule 5N2 375110 375112 375382 375382 376166 1 ) 376167 1 ) Thermostatic capsule 5U2 376168 1 ) Cover gasket 2 ) 40x48x2, graphite 375159 375159 Plug gasket 2 ) A24x29, stainless steel 375162 375162 1) Packaged 10 per box. Contact your local dealer for smaller quantities. 2) Minimum purchasing quantity 50 pcs. Contact your local dealer for smaller quantities. TRA GmbH · Bremen · Printed in Germany 13
Page 1 and 2: M K 4 5 A Stainless Steel Design In
Page 3 and 4: Part Drawings
Page 5 and 6: Key Hexagon-head screw M 10x25 to E
Page 7 and 8: Important Notes Safety Note Use ste
Page 9 and 10: Technical Data Pressure /Temperatur
Page 11: Installation - con tin u ed - Atten

MK 45A Stainless Steel Design

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