Danfoss | 148B5539
148B5539
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The 148B5539 check valve belongs to the CHV Check Valves series and is produced by Danfoss for hydraulic automation systems that need dependable one-way flow control. Its steel connection material resists wear and corrosion when exposed to common hydraulic media, while a 32 mm socket-weld end makes a rigid, leak-tight joint compatible with piping built to the ASME B 16.11 standard. Flow is routed through an angleway body, and an embossed one-way arrow on the housing serves as a visual flow indicator during assembly. The valve opens when the upstream-to-downstream differential reaches 0.04 bar, so actuators see minimal delay at start-up. Hydraulic capacity is defined by a Cv of 34.8 gal/min and an equivalent Kv of 30 m³/h, allowing designers to size lines with either imperial or metric data.
A maximum working pressure of 52 bar permits service in medium-pressure circuits, and temperature endurance ranges from −60 °C to 150 °C so it can handle fluids in groups 1 and 2 across cold-start and high-heat conditions. The component ships with a gross weight of 3.196 kg and installs at a net weight of 2.772 kg, figures important for lifting guidelines and support brackets. A shipping volume of 4.457 l helps logistics teams allocate bin space.
Technical Specifications
Connection Material
Steel
Connection Size (mm)
32 mm
Connection Standard
ASME B 16.11
Connection Type
Socket weld
Cv Value
34.8 gal/min
Flow Direction
Angleway
Flow Indicator
Embossed 1-way arrow
Fluid Group
1 and 2
Gross Weight (kg)
3.196 Kilogram
Kv Value
30 m³/h
Max Temp (°c)
150 °C
Max Working Pressure (bar)
52 bar
Min Opening Diff Press (bar)
0.04 bar
Min Temp (°c)
-60 °C
Net Weight (kg)
2.772 Kilogram
Volume (l)
4.457 Liter
1620 Old Apex Road
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