Danfoss | 148B5680
148B5680
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The 148B5680 check valve belongs to the CHV Check Valves series from Danfoss and is used to maintain one-way flow in hydraulic automation circuits. Its connections are made of stainless steel for corrosion resistance, and the butt-weld ends are sized at 25 mm in accordance with EN 10220 so the valve can be welded directly into matching pipe. The internal path follows a straightway layout that reduces turbulence, while the kv value of 16 m³/h defines the volumetric capacity at a 1 bar pressure drop. The poppet begins to lift at a differential pressure of only 0.04 bar, limiting energy losses when the circuit starts to flow.
An embossed one-way arrow on the body acts as a clear flow indicator that helps installers orient the valve correctly in the line. The housing withstands working pressures up to 52 bar, and the sealing elements operate reliably between −60 °C and 150 °C, matching the temperature swings found in many hydraulic systems. With a net weight of 1.28 kg the unit adds minimal load to suspended pipework yet provides the mass needed for stable seating. These pressure, temperature, and weight limits complement the connection and flow features already noted and confirm the valve’s suitability for passive check service in automated hydraulic equipment.
Technical Specifications
Connection Material
Stainless steel
Connection Size
25 mm
Connection Standard
EN 10220
Connection Type
Butt weld
Flow Coefficient (kv)
16 m³/h
Flow Direction
Straightway
Flow Indicator
Embossed 1-way arrow
Max Working Pressure
52 bar
Min Opening Diff Pressure
0.04 bar
Net Weight
1.28 kg
Temperature Max
150 °C
Temperature Min
-60 °C
1620 Old Apex Road
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