REXROTH 4WS2EM10-42/45B2T31Z28SM-37
Trust your REXROTH 4WS2EM10-42/45B2T31Z28SM-37 repair to a shop that understands servo and proportional valve technology. We repair, test, and document every unit before it leaves.
Representative image — actual product may differ
How We Repair Your Unit
Each REXROTH 4WS2EM10-42/45B2T31Z28SM-37 undergoes reconditioning — disassembly, parts replacement, reassembly, and bench testing before shipment.
About Our Shop
Unlike OEM shops, we use our own inventory to handle most rebuilds. That cuts down on lead time and gets your unit back faster.
50+ years of expertise in REXROTH 4WS2EM10-42/45B2T31Z28SM-37 Valve Repair
Frequently Asked Questions
Rush and priority service options exist. Availability depends on current workload, so contact us early.
Not required, but removing excess oil or loose debris before packing helps keep things clean in transit.
Most repairs are completed within 1 to 3 weeks, depending on workload and parts availability.
We confirm next steps with you if a unit can’t be rebuilt. No work proceeds without your approval.
Yes. Photos of the nameplate and overall unit let us begin identification before it arrives, which speeds up the process.
Disassembly and Rebuild Procedure
Our team disassembles each valve to assess internal wear. After ultrasonic cleaning, we install replacements and reassemble and verify operation.
- In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.
- Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.
- Teardown: Every valve is disassembled for internal inspection.
- Final Performance Verification: After reassembly, each valve is bench-tested against published performance specifications.
Leak and Performance Testing
With our 13-stand test facility and a Hagenbush proportional valve system, we verify flow curves, hysteresis, frequency response, and more. Performance reports and graphs are available for purchase on request. Our performance testing verifies spec-level operation.
Industries We Serve
Our professional repair services for the REXROTH 4WS2EM10-42/45B2T31Z28SM-37 are trusted across various sectors including Steel & Metals, Paper & Pulp, and Plastics & Injection Molding. We understand the unique demands of valves in these environments.
Additional REXROTH 4WS2EM10-42/45B2T31Z28SM-37 Services
Beyond standard refurbishment, we offer specialized repairs for your REXROTH 4WS2EM10-42/45B2T31Z28SM-37 unit. Our disassembly process includes flow verification and internal inspection, using only new replacement components.
Data Sheets & Reports
For detailed insights into your REXROTH 4WS2EM10-42/45B2T31Z28SM-37, we can provide access to repair records and service logs. This transparency offers you record-keeping and aids in long-term maintenance planning.
Maintenance Tips
- Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.
- Perform fluid analysis to detect contamination early and prevent system damage.
- Replace inline filters according to maintenance schedules to maintain proper flow rates.
Request a Quote for Your REXROTH 4WS2EM10-42/45B2T31Z28SM-37 Maintenance
Request pricing, availability, and turnaround for your REXROTH 4WS2EM10-42/45B2T31Z28SM-37. NC Servo Technology provides experienced repair with a 1-year warranty. Contact us to request your repair.
NC Servo Technology is an independent third-party repair facility. We are not affiliated with, endorsed by, sponsored by, or authorized by REXROTH or any original equipment manufacturer (OEM), nor do we claim to be a REXROTH service center. All brand names, trademarks, model numbers, and part numbers referenced on this page are the property of their respective owners and are used solely for identification and compatibility purposes.