Bosch Rexroth | SCA16CZ2XV
SCA16CZ2X/V
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The SCA16CZ2X/V check valve belongs to the Hy-Check Valves series from Bosch Rexroth and serves to maintain directional control in hydraulic automation circuits. It uses a sandwich plate design so that it can be inserted between standard subplates without additional piping. A mounting interface conforming to ISO 4401 (DIN 24 340-A) maintains compatibility with common manifold patterns, while six fixing holes secure the valve against shifting during high-pressure cycles. The valve may be installed in any position, which simplifies manifold layout and reduces commissioning time. Internal FPM (FKM) seals protect against fluid leakage at elevated temperatures, and dedicated R-rings sized at 22.53 × 2.3 × 2.62 mm on the A2, b2, p2, and t2 ports preserve sealing integrity across the main flow paths. Overall weight is 6.0 kg, allowing manual handling when adding or removing the unit from a stack.
Maximum operating pressure is 315 bar, enabling the valve to block or permit flow within high-pressure power units, and the same limit applies to port X, which acts as the pilot inlet. Port Y is limited to 30 bar so the pilot drain can return safely to tank. Continuous flow rates up to 130 L/min support medium-capacity actuators, provided the hydraulic fluid remains below a viscosity of 380 mm²/s and a temperature of 70 °C. A pilot oil demand of 1.8 L/min to tank ensures prompt spool actuation without overloading the control circuit. Smaller R-rings measuring 10 × 2.0 × 2.0 mm seal the X2, y2, and l2 passages, keeping pilot channels isolated from the main flow.
Technical Specifications
Design
Sandwich Plate
Fixing Holes
6
Installation Position
Any
Max Flow
130 L/min
Max Fluid Temperature
70 °C
Max Operating Pressure
315 bar
Max Viscosity
380 mm2/s
Mounting Interface
ISO 4401 (DIN 24 340-A)
Pilot Oil Volume (tank)
1.8 L/min
Port X Max Pressure
315 bar
Port Y Max Pressure
30 bar
R-ring A2/b2/p2/t2
22.53×2.3×2.62 mm
R-ring X2/y2/l2
10×2.0×2.0 mm
Seal Material
FPM (FKM)
Weight
6.0 kg
1620 Old Apex Road
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