Danfoss MDD80 Data sheet
Data sheet
Manometer MDD80
Description |
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Mechanical manometer type MDD80 are used |
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for direct visibility of pressure. They are working |
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by the bourdon-tube measuring system. |
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Those types are very robust because of special |
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soldering and can be used until temperatures |
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90/130°C without case of additional safety |
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equipment like siphons etc. |
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Those manometers can be used for many |
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applications in district and house heating |
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systems. |
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They are resistent to different heating |
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water qualities, which are in accordance with |
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valid qualities rules (f.e. FW510, VDI2035) or also |
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in DHW-systems (acc. german TWVO or similar). |
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District heating manometers of type MDD80 |
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produced in accordance with norm EN837-1. |
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Ordering |
Picture |
PN |
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Code No. |
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(bar) |
Centre back connection |
Radial connection |
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6 |
640U1406 |
640U1410 |
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10 |
640U1407 |
640U1411 |
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16 |
640U1408 |
640U1412 |
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25 |
640U1409 |
640U1413 |
Technical data
Nominal pressure |
PN |
6 / 10 / 16 / 25 |
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Accuracy |
% |
1.0 |
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Medium temperature |
oC |
0-130 (16/25 bar) / 0-90 (6/10 bar) |
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Ambient temperature |
-40 ÷ +70 |
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Approvals |
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EN 837 - 1 |
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Connections |
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2 types, radial bottom and center back connection 1/2” |
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Materials |
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Cover |
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Steel |
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Window |
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Glass |
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Dial |
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Aluminium, painted acc. DIN 16109 |
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Pointer |
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Aluminium, black |
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Measuring element |
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Cu-alloy |
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Connections |
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CuZn-alloy |
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DEN-SMT/SI |
VD.BO.H2.02 © Danfoss 03/2014 |
1 |
Data sheet |
Manometer MDD80 |
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Dimensions
Centre back connection
Radial connection
2 |
VD.BO.H2.02 |
Prepared by Danfoss A/S © 03/2014 |
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