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The URT206C12 unloading valve is manufactured by Vickers and belongs to the Pressure Control Valves series. It is used to divert pump flow back to tank once a preset system pressure is reached, enabling efficient hydraulic automation. This model operates through hydraulic actuation and functions specifically as an unloading valve, so it opens when system pressure climbs to the chosen threshold. The unit is compatible with standard hydraulic oil and accepts a maximum flow of 20 gpm without cavitation. System pressure can be handled up to 3000 psi, allowing it to protect downstream circuits from overload. Fluid ports are threaded with a 3/4 inch NPT female connection, which simplifies integration with common pipe fittings.
Durability is provided by a cast-iron body that resists pressure pulses and external impact, and the dense material also dampens noise created by rapid spool movement. Nitrile and PFC seals maintain oil-tight joints during repeated cycles. The valve package is 5.63 inches long, 77.7 mm wide, and 158.8 mm high, which permits installation in confined power units. This footprint leaves sufficient clearance for hose bends and enables side-by-side mounting with other line controls. Fluid temperature may reach 155 °F without degrading performance or seal life, so the component remains stable in mobile equipment that operates in warm climates.
Actuation Type
Hydraulic
Body Material
Cast Iron
Connection Gender
Female
Fluid Compatibility
Hydraulic Oil
Maximum Flow Rate
20 gpm
Maximum Operating Pressure
3000 psi
Maximum Operating Temperature
155 b0F
Overall Height
158.8 mm
Overall Length
5.63 in
Overall Width
77.7 mm
Port Size
3/4 NPT
Seal Material
Nitrile, PFC
Valve Type
Unloading Valve
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