Comparison Gross MNK-UA 20/190C vs Gross MNK-UA 20/190

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	Gross MNK-UA 20/190C	Gross MNK-UA 20/190
	Outdated Product	Outdated Product
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	The MNK-UA 20/190C water metre is designed to measure the volume of drinking water, in accordance with GOST 2874. Able to work in conditions of high humidity and in places prone to flooding (wells, etc.) Anti-corrosion coating of metal parts of the metre	The MNK-UA 20/190 water metre is designed to measure the volume of drinking water, in accordance with GOST 2874. Able to work in conditions of high humidity and in places prone to flooding (wells, etc.) Anti-corrosion coating of metal parts of the metre
Type	industrial	industrial
Water temperature	for cold water	for cold water
Principle of operation	mechanical	mechanical
Mechanical	vane-wheeled multi-jet	vane-wheeled multi-jet
Specs
Diameter (DN)	20 mm	20 mm
Max. pressure	1.6 MPa	1.6 MPa
Minimum water flow (Qmin)	0.05 m³/h	0.05 m³/h
Transitional water flow (Qt)	0.2 m³/h	0.2 m³/h
Rated water flow (Qn)	2.5 m³/h	2.5 m³/h
Max. water flow (Qmax)	5 m³/h	5 m³/h
Max. water temperature (Tmax)	30 °C	30 °C
Counter capacity	99999 m³	99999 m³
Division value	0.00005 m³	0.00005 m³
Sensitivity threshold, less than	15 L/h	15 L/h
Pressure loss at Qmax, less than	0.1 MPa	0.1 MPa
Mounting
Installation	horizontal	horizontal
Connection type	thread	thread
Threaded connection size	1 "	1 "
Dimensions	190x94x106 mm	190x94x106 mm
General specs
Protection against external magnetic influence
Protective cover
Verification interval	4 years	4 years
Body material	brass	cast iron
Weight		1.73 kg
Country of origin	Ukraine	Ukraine
Added to E-Catalog	december 2018	december 2018

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Glossary

Body material

The material from which the metre body is made.

— Brass. Brass varieties used in water metres are strong, reliable, durable and resistant to corrosion while being relatively inexpensive. However, due to its mechanical specs, brass is not suitable for flange connections (see above). Therefore, this material is used exclusively in threaded metres — that is, models with a relatively small throughput, mainly household ones (see "Type"), although there are exceptions.

— Cast iron. One of the key advantages of cast iron in the case of water metres is that, due to its hardness, flanged connections can be made from this material. Therefore, all industrial metres using a flange are made exclusively of cast iron. In addition, this material is also found in less performant models, with a threaded connection — including household ones (see "Type"). Such devices differ from their brass counterparts, on the one hand, in greater strength and reliability, on the other hand, in significant weight and increased cost.