Explanatory Notes Scope of supply ......................6 Description ........................6 Design ........................6 Technical Data Rating plate/marking ....................7 Components Component parts of BK 15 ..................8 Key ..........................9 Installation BK 15 ........................10 Danger ........................Flanged version ......................10 Socket-weld version ....................
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Contents continued Page Maintenance BK 15 ........................13 Danger ........................13 Checking the steam trap .................... 13 Cleaning/replacing the Thermovit regulator and strainer ..........14 Tools ......................... 14 Torques ........................14 Spare Parts Spare parts list ......................15 Taking out of Service Danger ........................
Important Notes Usage for the intended purpose Use the BK 15 steam trap only for discharging condensate from steam or for air venting. Use in pipes for discharging condensate from steam, paying attention to the admissible pressure and temperature ratings and the impact of chemicals and corrosion on the pres- sure equipment.
You can find details on the conformity assessment in accordance with European Directives in our Declaration of Conformity or Manufacturer's Declaration. You can request the valid Declaration of Conformity or Manufacturer's Declaration from the address below: GESTRA AG Münchener Strasse 77 28215 Bremen Germany Tel.
The steam trap is factory-set to discharge condensate with virtually no banking-up. Greater supercooling can be set manually from the outside after installation. The trap vents independently both when the system is started up and during operation. The BK 15 can also be used as an air vent. Design BK 15:...
Rating plate/marking For pressure and temperature ratings, see the marking on the body or the information on the rating plate. For further information, see GESTRA publications such as data sheets and Technical Information booklets. The type and version are indicated on the rating plate or body: Manufacturer's name/logo ...
Components continued Union nut G¾ Stuffing box ring Packing 9 x14 x 7 Cover Adjusting fork Guide ring Thermovit regulator Strainer Bush (force-fit, no spare part) Body gasket 92,7 x 102 x 1 Body Rating plate Hexagon nut M12 Hexagon bolt M12...
Installation BK 15 Any installation position is possible, as long as the direction of flow arrow is complied with. If installed in a horizontal pipe, it is best to have the cover facing upwards. We recommend that you do not insulate the steam trap.
Installation continued Butt-weld version 1. Ensure the correct installation position. 2. Ensure the correct direction of flow. The direction of flow arrow is on the trap body. 3. Leave sufficient space for servicing. When the trap is installed, a minimum space of 90 mm is required for opening cover D.
3. Tighten union nut A to the torque indicated in the table. Restoring the factory settings The Thermovit regulators of the BK 15 are factory-set to ensure they close steam-tight and remove condensate with virtually no banking-up. If necessary, you can restore the factory settings as follows: 1.
Sharp edges on inner parts present a danger of cuts to hands. Always wear industrial gloves when working on the equipment. Checking the steam trap The BK 15 steam trap can be checked during operation using a GESTRA VAPOPHONE ® ultrasonic measuring unit or TRAPtest ®...
Maintenance continued Cleaning/replacing the Thermovit regulator and strainer 1. Pay attention to the Danger note on page 4! 2. Undo hexagon bolt N and take cover D off body K. 3. Fully unscrew Thermovit regulator G and clean it. 4. Remove and clean strainer H. 5.
Spare Parts Spare parts list Item Designation Stock code Packing 9 x 14 x 7 *) 376552 Thermovit regulator, set of gaskets 098847 Strainer, body gasket 375698 Body gasket *) 92.7 x 102 x 1, graphite 375699 *) Min. order quantity 20 items. For smaller quantities, please contact your specialist retailer. Taking out of Service Danger The equipment is under pressure and hot during operation.
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Agencies all over the world: www.gestra.de GESTRA AG Münchener Strasse 77 28215 Bremen Germany Tel. +49 421 3503-0 +49 421 3503-393 E-mail info@de.gestra.com www.gestra.com 810682-03/11-2017cma (808534-04) · GESTRA AG · Bremen · Printed in Germany...
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