NRV 27 IMI Hydronic
Check valve threaded
production of discontinued
calculation and selection
112 % - model rating
Technical description
selection
repair
function
where to install
types of valves
installation
specifications
how does it work
Model
NRV 27
Manufacturer
Country
Sweden
Allowable working fluids
Water
Connection type
internal thread
Mechanism
rotary (swing)
Execution
non-spring-loaded
Tmax (for water)
95 °C
Tmin (for water)
0 °C
Body material
bronze
technical
specifications
price
| DN mm |
Kvs m³/h |
l mm |
m kg |
PN bar |
price |
|---|---|---|---|---|---|
| 15 | 55 | 0.20 | 16 | production of discontinued | |
| 20 | 62 | 0.34 | 16 | production of discontinued | |
| 25 | 72 | 0.48 | 16 | production of discontinued | |
| 32 | 82 | 0.69 | 16 | production of discontinued | |
| 40 | 90 | 0.90 | 16 | production of discontinued | |
| 50 | 105 | 1.30 | 16 | production of discontinued |
DN - nominal diameter, mm.
m - mass, kg.
L - length along pipeline axis, mm.
PN - nominal pressure, bar.
Kvs - flow coefficient, corresponds to water flow rate in m³/h at which pressure loss on pipeline fittings equals 1 bar.
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