Danfoss | 148B5736
148B5736
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The 148B5736 check valve belongs to the CHV Check Valves series from Danfoss and serves hydraulic automation circuits by blocking reverse flow. Its connections are made of steel to provide mechanical strength, and they use a 50 mm butt-weld interface that matches EN 10220 pipe dimensions for straightforward welding into a line. The valve follows an angleway flow pattern to minimize pressure loss through the body, and an embossed one-way arrow on the housing shows the required flow direction during installation. A Kv value of 45 m³/h indicates the volumetric capacity at a 1 bar differential, helping engineers size pumps and set operating points.
The unit tolerates working pressures up to 52 bar, so it fits high-pressure hydraulic or refrigeration loops, while a minimum opening differential of 0.04 bar lets it respond with low resistance when flow starts. Internal volume is 5.372 L, data that can be included in system charge and purge calculations. It remains functional between −60 °C and 150 °C, covering both cryogenic and hot-oil conditions without material degradation. A net weight of 3.046 kg assists designers when checking pipe support loads and handling requirements during maintenance.
Technical Specifications
Connection Material
Steel
Connection Size
50 mm
Connection Standard
EN 10220
Connection Type
Butt weld
Flow Direction
Angleway
Flow Direction Indicator
Embossed 1-way arrow
Kv Value
45 m³/h
Max Working Pressure
52 bar
Min Odp
0.04 bar
Net Weight
3.046 Kilogram
Temperature Max
150 °C
Temperature Min
-60 °C
Volume
5.372 Liter
1620 Old Apex Road
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