Gravity Circulation Check Valves

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Prevent gravity circulation in heating and hot water systems

SBO gravity circulation check valves are for the installation of circulating pumps downstream or upstream in heating and hot water installations, to prevent gravity circulation.  This ensures that the heating system works correctly, reliably and at highest efficiency, reducing costs.

What are the features?

  • Ideal for sanitation and heating applications
  • Pump change without draining your system
  • Flow-optimised cone ensures reliable operation
  • Minimal pressure losses
Gravity circulation check valves

Sales brochures (PRO)

Document Language Reference number Download
Non-return (check) valves for HVAC systems, sanitary applications and industrial technology English PRO_810107 Download PDF
A - B Product overview English PRO_810815 Download PDF
Product range technical information, 2021 English PRO_850128 Download PDF
Přehled produktů Czech PRO_850600 Download PDF
Beknopt Leverprogramma Dutch PRO_850647 Download PDF

Data sheets (DBL)

Title

Gravity Circulation Checks SBO 11, SBO 21, SBO 31 PN 6 DN ¾", 1", 1¼"

Language

English

Reference number

DBL_818646

Download

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Installation and maintenance instructions (BAN)

Document Language Reference number Download
Installation instructions SBO 11, SBO 21 (de-en-fr-es-it-nl) International BAN_807991 Download PDF
Installation instructions SBO 31 (de-en-fr-es-it) International BAN_808094 Download PDF

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