VDI 2035 Blatt 2-2009
Prevention of damage in water heating installations - Water-side corrosion

Standard No.

VDI 2035 Blatt 2-2009

Release Date

2009

Published By

Association of German Mechanical Engineers

Latest

VDI 2035 Blatt 2-2009

Replace

VDI 2035 Blatt 2-1998 VDI 2035 Blatt 2-2007

Scope

Guideline VDI 2035 Part 2 applies to water heating installations according to EN 12828 within a building when the flow temperature under correction operation is not intended to exceed 100 °C. The guideline also applies to heat contracting in which building complexes are supplied with heat, provided it is ensured that over the service life of the installation the volume of the make-up water will not exceed double the volume of the initial filling water. If this is not the case then reference should be made to worksheet AGFW FW 510 or data sheet VdT?V MB TECH 1466, as with industrial and district heat heating systems. The present guideline provides information and in individual cases formulates requirements regarding reduction of the probability of water-side corrosion in water heating installations.

VDI 2035 Blatt 2-2009 Referenced Document

• DIN 1988-4:1988 Drinking water supply systems; drinking water protection and drinking water quality control (DVGW code of practice)
• DIN 4726:2008 Warm water surface heating systems and radiator connecting systems - Plastics piping systems and multilayer piping systems
• DIN 4753-3:1993 Water heaters and water heating installations for potable water and for service water; corrosion protection on the water side by enamelling; requirements and testing
• DIN EN 10088-1:2005 Stainless steels - Part 1: List of stainless steels; German version EN 10088-1:2005
• DIN EN 10088-2:2005 Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes; German version EN 10088-2:2005
• DIN EN 10088-3:2005 Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes; German version EN 10088-3:2005
• DIN EN 10088-5:2009 Stainless steels - Part 5: Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes; English version of DIN EN 10088-5:2009-07
• DIN EN 12828:2003 Heating systems in buildings – planning of hot water heating systems
• DIN EN 13831:2007 Closed expansion vessels with built in diaphragm for installation in water; English version of DIN EN 13831:2007-12
• DIN EN 14336:2005 Heating systems in buildings - Installation and commissioning of water based heating systems; German version EN 14336:2004
• DIN EN 14868:2005 Protection of metallic materials against corrosion - Guidance on the assessment of corrosion likelihood in closed water circulation systems; English version of DIN EN 14868:2005
• DIN EN 1717:2001 Protection against pollution of potable water installations and general requirements of devices to prevent pollution by backflow
• DIN EN ISO 8044:1999 Corrosion of metals and alloys - Basic terms and definitions (ISO 8044:1999); Trilingual version EN ISO 8044:1999

VDI 2035 Blatt 2-2009 history

• 2009 VDI 2035 Blatt 2-2009 Prevention of damage in water heating installations - Water-side corrosion
• 1998 VDI 2035 Blatt 2-1998 Prevention of damage in water heating installations - Water corrosion in water heating systems
• 1997 VDI 2035 Blatt 2-1997 Prevention of damage in water heating installations - Water corrosion in water heating systems