Danfoss | 148B5437
148B5437
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The 148B5437 valve is classified as a check valve and is part of the CHV Check Valves series from Danfoss. It is installed in hydraulic automation circuits to block reverse flow automatically when outlet pressure exceeds inlet. The end connections are designed for butt weld assembly to 25 mm pipework, simplifying rigid line integration. Those connections are machined from steel in accordance with ASME B 36.10M Schedule 80 so wall thickness matches standard pressure pipe. The body withstands working pressures up to 52 bar to suit high-pressure lines, and the internal poppet opens when only 0.04 bar of differential pressure is reached, allowing quick response with minimal energy loss.
The valve routes flow through an angleway passage, letting the pipeline change direction while maintaining a compact layout. Correct installation is assisted by an embossed one-way arrow on the housing that shows the permitted flow path. With a Kv of 24 m³/h, it offers predictable capacity at a 1 bar pressure drop; this coefficient enables engineers to estimate flow rate without empirical testing. Materials and seals are approved for fluids in group 1 or 2, covering many industrial gases and liquids. Service temperatures range from −60 °C up to 150 °C so the device can operate in both low-temperature refrigeration and hot oil return lines.
Technical Specifications
Connection Material
Steel
Connection Size
25 mm
Connection Standard
ASME B 36.10M SCHEDULE 80
Connection Type
Butt weld
Flow Direction
Angleway
Flow Indicator
Embossed 1-way arrow
Fluid Group
1, 2
Kv Value
24 m³/h
Max Working Pressure
52 bar
Min Odp
0.04 bar
Temp Max
150 °C
Temp Min
-60 °C
Valve Type
Check valve
1620 Old Apex Road
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