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The CT06BY50 relief valve belongs to the Pressure Control Valves series manufactured by Vickers and is used to limit pressure in automated hydraulic circuits. It is pilot-operated, so a small control flow modulates the main poppet for steady regulation during system transients. A two-stage internal layout further stabilizes operation under fluctuating loads, and the assembly withstands a maximum pressure of 210 bar (3000 psi) for medium-pressure power units. The valve accommodates up to 60 US gpm without excessive pressure drop, making it suitable for mid-size actuators. System pressure is set with a screw and locknut that holds the adjustment against vibration. Installation is through a 3/4 in NPT pipe mount for quick replacement in threaded manifolds.
The body measures 2.580 in in length, 6.630 in in width, and 5.640 in in height, allowing compact placement inside machinery frames. Nitrile seals retain fluid and tolerate the oil chemistry used, while compatibility is specified for petroleum oils common in industrial equipment. Cleanliness of 19/17/14 is required to protect the precision pilot section from wear. Continuous service is permitted from −20 °C up to 70 °C (158 °F), covering most ambient conditions found in mobile and stationary installations. The size 06 designation aligns the flow paths with standard Vickers cavities, ensuring predictable performance in circuits that adopt this series.
Actuation Type
Pilot Operated
Adjustment Type
Screw With Locknut
Flow Rate
60 USgpm
Fluid Cleanliness
19/17/14
Fluid Compatibility
Petroleum Oils
Maximum Pressure
210 bar (3000 psi)
Product Height
5.640 in
Product Length
2.580 in
Product Width
6.630 in
Seal Material
Nitrile
Size
06
Stage
Two Stage
Valve Mount
3/4 in NPT Pipe Mount
Valve Type
Relief Valve
Working Temperature Max
70 C (158 F)
Working Temperature Min
-20 C
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