Bosch Rexroth | SV6PB2-6XV
SV6PB2-6X/V
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The SV6PB2-6X/V valve is produced by Bosch Rexroth for the Hy-Check Valves series and is intended to hold or release hydraulic loads in automated circuits. Nominal size 6 lets it fit compact manifold cavities, and subplate mounting permits quick exchange without pipework. A maximum operating pressure of 315 bar keeps the body suitable for high-pressure systems, while a 3 bar cracking pressure ensures the poppet stays closed against minor pressure fluctuations. Flow capacity is rated at 60 L/min to serve medium actuator pairs, and the valve can be installed in any orientation for flexible layout. It is supplied without pre-opening so the passage stays sealed until pilot pressure arrives. Fluid cleanliness must meet ISO 4406 class 20/18/15 to preserve internal surfaces and prevent sticking.
A minimum pilot pressure of 5 bar is required to open the valve, and the pilot chamber at port X holds 0.68 cm³, a value that helps size the control line for fast response. Pilot oil returns internally, eliminating an external drain and simplifying plumbing. Interface options include ISO 4401-03-02-0-05 and ISO 5781-03-04-0-00 porting patterns so the unit matches common base plates. Sealing is handled by FKM material that withstands elevated temperatures and aggressive fluids. Calculated reliability reaches a mean time to dangerous failure of 150 years, supporting long duty cycles in safety-related hydraulic machinery.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Cracking Pressure
3 bar
Installation Position
Any
Max Flow
60 L/min
Max Operating Pressure
315 bar
Mounting
Subplate Mounting
Pilot Oil Return
Internal
Pilot Pressure (min)
5 bar
Pilot Volume (port X)
0.68 cm3
Porting Pattern
ISO 4401-03-02-0-05
Porting Pattern (alt)
ISO 5781-03-04-0-00
Pre-opening
Without
Reliability (mttfd)
150 Years
Seal Material
FKM
Size
6
1620 Old Apex Road
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