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Bosch Rexroth | S10P15-1X

S10P15-1X/

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The S10P15-1X/ is manufactured by Bosch Rexroth and belongs to the Type S Check Valves series. It permits flow in one direction to safeguard hydraulic automation circuits from reverse pressure spikes. The nominal size is 10, so the valve matches medium-bore passages found in manifold blocks. A 3/4-16 UNF connection thread lets it screw directly into standard SAE cavities without adapters. The mounting type is a screw-in thread, which streamlines installation inside compact housings. An outside diameter of 34 mm defines the cavity bore needed for proper seating, while a thread length of 15 mm secures sufficient engagement to resist leakage. The overall length of 66 mm limits the depth required in the manifold, keeping assemblies short.

The cracking pressure is fixed at 1.5 bar, establishing the point at which the poppet lifts and flow starts in the permitted direction. A maximum operating pressure of 450 bar allows the valve to operate in high-pressure power units. The hex size across flats measures 30 mm, giving a clear wrench surface for consistent torque during installation. Cleanliness class 20/18/15 per ISO 4406 specifies the oil purity the system must maintain to protect internal surfaces. The weight is 0.3 kg, which simplifies manual handling when threading the component into place. An MTTFd of 150 years supports reliability calculations for safety-related hydraulic equipment.

Technical Specifications

Cleanliness Class (iso 4406)
20/18/15

Connection Thread
3/4-16 UNF

Cracking Pressure
1.5 bar

Hex Size Across Flats
30 mm

Max Operating Pressure
450 bar

Mounting Type
Screw-In Thread

Mttfd
150 years

Nominal Size
10

Outside Diameter
34 mm

Overall Length (unf)
66 mm

Thread Length (unf)
15 mm

Weight
0.3 kg

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