Danfoss | 148B5337
148B5337
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The 148B5337 check valve is manufactured by Danfoss as part of the CHV Check Valves series. It provides one-way flow control in hydraulic automation circuits that require secure backflow prevention. The valve is built from steel to handle mechanical stress in pressurized lines. A butt-weld connection sized at 20 mm fits pipe runs produced to ASME B 36.10M Schedule 80. The angleway layout positions the inlet and outlet at right angles to save space in compact manifolds. An embossed one-way arrow on the body marks the permitted flow direction for quick visual verification. The valve begins to open when the differential pressure reaches 0.04 bar, maintaining low pump load in return paths.
Flow capacity is defined by a Cv of 11.6 gal/min, which corresponds to a Kv of 10 m³/h for metric calculations. The assembly withstands working pressures up to 52 bar and remains functional between −60 °C and 150 °C, covering cold storage and heated oil service ranges. A net weight of 1.312 kg facilitates manual handling during installation, while an internal volume of 2.465 L helps designers estimate purging requirements.
Technical Specifications
Connection Material
Steel
Connection Size
20 mm
Connection Standard
ASME B 36.10M Schedule 80
Connection Type
Butt Weld
Cv Value
11.6 gal/min
Direction
Angleway
Flow Direction Indicator
Embossed 1-Way Arrow
Kv Value
10 m³/h
Max Temperature
150 °C
Max Working Pressure
52 bar
Min Odp
0.04 bar
Min Temperature
-60 °C
Net Weight
1.312 kg
Volume
2.465 L
1620 Old Apex Road
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