General Information

We carry MOOG D631-191C valves and have connections to find the ones we don’t stock.

The NC Servo Tech Advantage

Extensive experience with industrial components gives us insight into common failure modes and effective repair strategies. We apply this knowledge to every project.

Service Procedure

Systematic valve restoration involves teardown, cleaning, component evaluation, replacement of worn parts, reassembly, and performance verification.

  • Careful intake inspection and documentation
  • Complete teardown with cleaning and evaluation
  • Replacement of worn or damaged components
  • careful reassembly with proper torque values
  • Functional testing and verification against specs

Ready When You Are

This unit is not currently listed in stock. Contact us to review repair timelines, exchange possibilities, or alternate solutions tailored to your downtime requirements.

Frequently Asked Questions

Schedule Your MOOG D631-191C Service Today

Trust NC Servo Technology for top-tier service. Contact us today to schedule your repair and get your unit refurbished.