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Metering mechanism of a rotary piston meter DN 25/PN 10 (1“/MWP 145 psi) (industrial model)
To achieve rated pressure levels PN 25, PN 40 and PN 63 (MWP 363, 580 and 914 psi) - the measuring chamber is installed in the housing. The meters for rated pressures PN 4, PN 6, PN 10 and PN 16 (MWP 58, 87, 145 and 232 psi) have a measuring chamber machined to the lower part of the case.
All components of the meters are made of wear-resistant materials. Several materials are available for the parts which come into contact with the metered liquid (see Selection and Ordering data). The most suitable combination can be selected taking into account the corrosion resistance with respect to the liquid to be measured as well as the running characteristics and the permissible temperatures; the material recommendations aid selection.
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Mechanical displays |
Digital displays |
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Compact design |
Remote design |
Compact design |
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Without pulse and current output |
With pulse and current output |
With pulse and current output Incl. protective cover |
With pulse and current output Incl. mounting bracket |
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Registers |
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Single-pointer dial, type 01 |
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Double-pointer dial, types 11 and 12 |
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Quantity preset register |
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SITRANS F RA110 electric flow registers (7MV1070-... |
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Protective cover |
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Pulser |
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10 pulses/revolution, |
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10 pulses/value per revolution, |
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Intermediate gear |
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Pulser |
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10 pulses/measuring chamber volumes, |
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Cooling attachment |
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Up to 80 °C: None |
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Up to 180 °C: One |
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Up to 260 °C: Two |
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Rotary piston meters and automatic batchmeters |
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Rotary piston meters DN 15: 7MR10..-... DN 25: 7MR11..-... DN 25: 7MR1111-... DN 50: 7MR14..-... DN 80: 7MR16..-... Automatic batchmeters DN 25: 7MR111.-... DN 50: 7MR141.-... |
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Measuring chamber volumes: DN 15 (1/2“): 0.033l (0.0087 USgpm) DN 25 (1“): 0.179l (0.0473 USgpm) DN 50 (2“): 1.5 l (0.317 USgpm) DN 80 (3“): 4.32 l (1.14 USgpm) |
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