Bosch Rexroth | M-SR30KE00-1X
M-SR30KE00-1X/
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The M-SR30KE00-1X/ check valve belongs to the Hy-Check Valves series manufactured by Bosch Rexroth for hydraulic automation circuits that need reliable one-way flow control. It is supplied in size 30, matching large port diameters found in high-duty manifolds. The angle valve KE design turns the flow through 90 degrees, which helps shorten manifold depth. A cracking pressure of 0 bar lets fluid pass immediately at startup to limit pressure losses. The housing tolerates a maximum operating pressure of 420 bar, making it suitable for presses, injection machines, and mobile drives. A flow rating of 400 l/min supports rapid actuator movement without excessive differential pressure. Connection is made via an M48 × 2 plug thread, and the body fits the RN 143.28 cavity rated for 420 bar so machining and replacement are standardized.
The overall length of 83.3 mm helps keep equipment envelopes compact, and the weight of 0.47 kg allows easy manual installation. NBR sealing elements resist common hydraulic oils and typical temperature swings. Approved media include HL and HLP fluids according to DIN 51524, while HFC fluids defined in ISO 12922 are accepted for fire-resistant circuits. The valve can be mounted in any orientation, giving designers flexibility when routing pipework. A cleanliness level of ISO 4406 20/18/15 is required to prevent seat damage and ensure tight shutoff. An MTTFd of 150 years contributes to high functional safety ratings in long-life machinery.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Cracking Pressure
0 bar
Hydraulic Fluid
HL, HLP (DIN 51524)
Hydraulic Fluid (water-containing)
HFC (ISO 12922)
Installation Position
Any
Length
83.3 mm
Maximum Flow
400 l/min
Maximum Operating Pressure
420 bar
Mounting Cavity
RN 143.28 (420 bar)
Mttfd
150 years
Plug Thread
M48 x 2
Seal Material
NBR
Size
30
Unit Design
Angle Valve (KE)
Weight
0.47 kg
1620 Old Apex Road
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