Product Catalogue 2012 - LK Systems AB

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Mechanical Mixing Valves | LK 831 ThermoMix B LK 831 ThermoMix B Technical Data Working temperature Min. +5°C/Max. +110°C (+120°C briefly) Ambient temperature Min. +5°C/Max. +60°C Max. working pressure 1.0 MPa (10 bar) Max. pressure difference 50 kPa Leakage < 1% of Kvs at 50 kPa Angle of rotation 90° Torque < 1 Nm Media Water - Glycol/Ethanol mixture max. 50% Material, valve body/ Brass EN 12165 CW617N cover Material, slide/spindle Brass EN 12164 CW614N Material, O-rings EPDM Spindle sealing Two O-rings LK 831 ThermoMix B 4-way bivalent mixing valves are designed for heating systems, where energy is taken from two heating units connected in series or parallel or for storage tank systems where energy is extracted from two levels. LK 831 ThermoMix B should be equipped with an automatic control unit to ensure that the most favourable heat source is prioritised at all times. The valve can be mounted at any angle. The valve ports are marked 1-4. The valve is to be mounted according to 1=Supply, 2=Return, 3=Secondary heat, and 4=Primary heat. Valve Characteristics Capacity Diagram 100 10.0 Kvs (m³/h) 80 4.0 Flow (%) 60 40 Return Flo ow (m³/ /h) 1.0 20 Primary heat Secondary heat 0 0 10 20 30 40 50 60 70 80 90 Opening angle (°) 0.1 0.1 1.0 10.0 100.0 Pressure drop (kPa) 44
Mechanical Mixing Valves | LK 831 ThermoMix B LK 831 - Compression fitting C B E F D A Article number Dim. Kvs m³/h A mm B mm C mm D mm E mm F mm Weight kg 180591 22 mm 4.0 87 43.5 87 20 26 80 0.7 Spare parts and Accessories 1 2 3 4 5 Article number Article Included components 187059 Sealing kit 830/831, 2, 3 and 5 DN 15-20 187065 Repair kit 831, DN 20, Kvs 4.0 1-5 831_spräng 45
Page 1: Product Catalogue 2012
Page 4 and 5: 4 Garnisonsgatan 49 • SE-254 66 H
Page 6 and 7: Our products Our aim is to provide
Page 8 and 9: Loading Units LK 810 ThermoMat 1. H
Page 10 and 11: Loading Units | LK 810 ThermoMat G
Page 16 and 17: Loading Units | LK 810 ThermoMat W
Page 18 and 19: Loading Units | LK 810 ThermoMat W
Page 20 and 21: Loading Units | LK 815 ThermoKit T
Page 22 and 23: Loading Units | LK 816 ThermoKit E
Page 24 and 25: Loading Units | LK 816 ThermoKit E
Page 26 and 27: Thermic Valves and Check Valves | L
Page 42 and 43: Applications 40
Page 44 and 45: Mechanical Mixing Valves | LK 830 T
Page 64 and 65: MultiFill® LK 520 MultiFill® - a
Page 66 and 67: MultiFill® | LK 520 MultiFill® 25
Page 68 and 69: MultiFill® | LK 520 MultiFill® 32
Page 70 and 71: Transition Fittings Transition Fitt
Page 72 and 73: Zone Valves | LK 525 Zone Valve LK
Page 74 and 75: Zone Valves | LK 525 Zone Valve LK
Page 76 and 77: Zone Valves | LK 525 Zone Valve Pol
Page 78 and 79: Zone Valves | LK 525 Zone Valve Sol
Page 80 and 81: Zone Valves | LK 525 Zone Valve Sol
Page 82 and 83: Other Valves | LK 514 Safety Relief
Page 84 and 85: Other Valves | LK 548 Valve Combina
Page 86 and 87: Other Valves | LK 550 Mixing Valve
Page 88 and 89: Other Valves | LK 538 EA Filling Va
Page 90 and 91: Compression Fittings / Media Assemb
Page 92: www.lkarmatur.se Garnisonsgatan 49

Product Catalogue 2012 - LK Systems AB

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