OFV 20-25 overflow valve, EN 10220 connection standard

Refrigerants: Applicable to HCFC, HFC, R717(Ammonia) and R744 (CO2).
Flammable hydrocarbons are not recommended. The valve is only recommended for use in closed circuits.
Temperature range: –50 - +150°C (–58/+302°F).
Maximum operating pressure: 40 bar g (580psig).
Set pressure (delta p): 2 - 8 bar.
Three functions in one valve: the OFV valve combines the functions of an overflow valve, a check valve and a stop valve.
Housing material: Low temperature steel, P285 QH (EN10222-4).

Classified for: Fluid Group 1, Category: Article 3, paragraph 3
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Code no.


Conn. size [mm]

Conn. size [in]

Kv value [m³/h]

Cv value [gal/min]

MWP [bar]

MWP [psig]

2412+183 OFV 20 20 mm 3/4 in 0,000 - 0,520 m3/h 0,000 - 0,600 gpm US 40,0 bar 580 psig
2412+184 OFV 25 25 mm 1 in 0,000 - 1,500 m3/h 0,000 - 1,744 gpm US 40,0 bar 580 psig

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