Danfoss | 148B5702
148B5702
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The 148B5702 valve belongs to the SCA Check and Stop Valves series and is manufactured by Danfoss for hydraulic automation circuits that require both non-return and line-shutoff functions. It integrates a check and stop mechanism in one body so technicians can isolate equipment and block reverse flow with a single device. The connection stubs are made of steel and use a butt weld layout, allowing direct fusion to pipe runs without threaded fittings. These weld ends conform to EN 10220 dimensions for compatibility with standard tube schedules. A 50 mm port feeds an internal angleway passage that changes direction without extra elbows, and an embossed one-way arrow on the housing provides a clear flow indicator during installation.
The valve tolerates working pressures up to 52 bar and operates across a temperature span from −60 °C to 150 °C, making it suitable for fluid circuits exposed to refrigeration or high-temperature flushing cycles. It starts to open once the differential pressure exceeds 0.04 bar, ensuring low cracking resistance at system startup, and reaches a Kv value of 45 m³/h when fully opened for predictable capacity calculations. The internal cavity holds 13.385 liters, a value used when estimating charge volumes or purge requirements, while the overall assembly weighs 4.2 kg to permit single-person handling during fabrication. These pressure, temperature, flow, and dimensional characteristics define the valve’s role in maintaining stable forward flow and protecting components within automated hydraulic networks.
Technical Specifications
Connection Material
Steel
Connection Standard
EN 10220
Connection Type
Butt weld
Flow Indicator
Embossed 1-way arrow
Flow Path
Angleway
Kv Value
45 m³/h
Max Temperature
150 °C
Max Working Pressure
52 bar
Min Differential Pressure
0.04 bar
Min Temperature
-60 °C
Net Weight
4.2 Kilogram
Port Size
50 mm
Valve Type
Check and Stop valve
Volume
13.385 Liter
1620 Old Apex Road
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