Bosch Rexroth | Z2FS16-8-3XSV
Z2FS16-8-3X/SV
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The Z2FS16-8-3X/SV belongs to the Z2FS Throttle Check Valves series from Bosch Rexroth. It serves as a sandwich-mounted flow control element that limits oil supply in hydraulic automation circuits. A nominal size of 16 matches manifolds that follow ISO 4401 size 07 dimensions. The sandwich plate connection allows the valve to be stacked between a subplate and a directional valve without additional piping. Its CETOP D07 interface and the ISO 4401-07-07-0-05 porting pattern define standardized port geometry for rapid replacement. Compatibility with the NFPA T3.5.1 R2-D07 pattern supports North American mounting practices. Four ports are provided so that pressure and tank lines can be throttled or bypassed as required. Mechanical actuation closes or opens the throttling gap on the supply side, which is identified by the letter S in the type code.
Flow is trimmed by a spindle with an internal hexagon, permitting precise adjustment using a standard hex key. The assembly withstands operating pressures up to 350 bar, ensuring safe function in high-pressure systems. A maximum flow rating of 250 l/min keeps pressure losses within acceptable limits during peak demand. HL and HLP mineral oils are approved hydraulic fluids, aligning the unit with common industrial lubricants. FKM seals resist these oils and elevated temperatures, extending service life. The cleanliness class of ISO 4406 (c) 20/18/15 limits particulate contamination to protect throttling edges. Installation is permitted in any position, giving designers flexibility when arranging valve stacks. The valve weighs 4.41 kg, which facilitates manual handling during assembly.
Technical Specifications
Actuation Type
Mechanical
Adjustment Type
Spindle With Internal Hexagon
Cetop Size
D07
Cleanliness Class
ISO 4406 (c) 20/18/15
Connection Type
Sandwich Plate
Hydraulic Fluid
HL, HLP
Installation Position
Any
Maximum Flow
250 l/min
Maximum Operating Pressure
350 bar
Nfpa Porting Pattern
T3.5.1 R2-D07
Nominal Size
16
Number Of Ports
4
Porting Pattern
ISO 4401-07-07-0-05
Seal Material
FKM
Throttling Type
Supply (S)
Weight
4.41 kg
1620 Old Apex Road
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