Direct Maintenance Services
Industrial Pump Repair
24/7 Emergency
Free Pickup
Flow Never Stops
PUMP DOWN? FLOW STOPPED?
Every minute costs production. One call to D.M.S. - 24/7/365 live tech answers. Pickup dispatched nationwide. We are moving.
(832) 860-5493
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Industrial Pump Repair & Overhaul Services
Pump losing discharge pressure? Seizing under high-temperatures? Experiencing catastrophic mechanical seal blowouts? We resolve severe process issues - including cavitation wear, shaft runout, and impeller imbalances.
At D.M.S., we specialize in the complete restoration of all industrial pumps - centrifugal, positive displacement, vacuum, API 610, slurry, metering, submersible, and more. Operating from our advanced engineering and machining headquarters in Stafford, Texas, Direct Maintenance Services provides comprehensive pump overhauls and dynamic testing. While our facility is strategically positioned to support the heavy industrial, maritime, and refining corridors of the Texas Gulf Coast (Houston, Pasadena, Beaumont, Baytown, Freeport), our dedicated, insured hot-shot transport fleet operates continuously across North America, bringing failed machinery directly to our Stafford center with zero logistics friction.
Every repair begins with a comprehensive initial evaluation including:
Vibration spectrum analysis (ISO 10816-3)
Dynamic balancing verification & residual unbalance check
Bearing condition & lubrication analysis
Impeller wear & coating inspection
Mechanical seal & packing condition
Full performance validation under load
Detailed 12-Step Pump Rebuild Process
Comprehensive Pump Rebuild Process
1. Free Pickup
Zero-cost insured transport
2. Inspection & NDT
CMM checks & crack detection
3. Cleaning
Ultrasonic & glass-bead scale removal
4. Impeller Repair
Hard-facing & coatings
5. Shaft & Rings
Straightening & rings grinding
6. Seal Upgrade
Mechanical seal installation
7. Balancing
G2.5 dynamic balancing
8. Performance Test
Full-load flow verification
40+ Pump Brands We Service
20+ Pump Brands We Service
We rebuild and overhaul every major brand of process pump on the market.
Industries We Keep Flowing
Oil & Refining
API 610 compliance & high-temp.
Chemicals
Acids, caustics & titanium upgrades.
Power Generation
Boiler feed & high-pressure specialists.
Wastewater
Industrial lift stations & NSF coatings.
Pump Types We Rebuild
Air-Operated Diaphragm
- Wilden, ARO, Warren Rupp
- Parts kits + full rebuilds
ANSI / ASME Pumps
- Goulds 3196, Durco Mark 3
- Full drop-in replacements
API 610 Pumps
- OH2, BB1, BB3, VS1
- Heavy-duty oil & gas
Metering Pumps
- Milton Roy, Pulsafeeder
- Precision dosing calibration
Positive Displacement
- Gear, lobe, screw, cavity
- High viscosity specialists
Slurry Pumps
- Warman, GIW
- Rubber lined & hard metal
Split Case Pumps
- Double suction, horizontal/vertical
- High flow water & process
Submersible Pumps
- Flygt, Tsurumi
- Rewind & seal replacement
Vacuum & Liquid Ring
- Nash, SIHI, Gardner Denver
- Full cone port rebuilds
Progressive Cavity Pumps
- Milton Roy, Seepex, Netzsch
- Worn stators, rotor replating, and overhauls
Vertical Turbine Pumps
- Flowserve, Goulds, Layne Bowler
- Deep well, sump, & water intake
Multistage Centrifugal
- Sulzer, Flowserve, KSB
- Boiler feed & high-pressure RO
Unmatched 12-36 Month Install Warranty
Every D.M.S. pump rebuild includes a 12-36 month warranty from date of installation. We stand behind our engineering with the longest, strongest coverage in the industrial repair sector. Zero risks, zero leaks. We also handle integrated prime movers and powertrains, including high-torque Falk or SEW gearboxes and motor reducers.
Industrial Pump
Troubleshooting & FAQs
Why is my centrifugal pump losing discharge pressure and flow rate?
A gradual loss in flow and head is typically caused by worn wear rings or impeller erosion. When the clearance between the casing wear rings and the impeller hub exceeds factory tolerances (typically over .015\" or .38mm), high-pressure discharge fluid slips back into the low-pressure suction eye, significantly lowering volumetric efficiency. We resolve this by aiming thermal spray at the wear surfaces and precision-grinding them back to OEM specifications.
How can I prevent cavitation damage in high-temperature chemical process pumps?
Cavitation occurs when the Net Positive Suction Head Available (NPSHa) drops below the pump's required NPSHr, causing vapor bubbles to form and violently collapse against the impeller shroud. To combat this in aggressive chemical environments, we rebuild eroded impellers using corrosion-resistant alloys (like Hastelloy or Duplex Stainless Steel) and apply advanced erosion-resistant ceramic composite coatings.
What are the advantages of upgraded mechanical cartridge seals over traditional packing?
Traditional compression packing requires a constant, controlled drip to lubricate the shaft, which leads to product waste, shaft sleeve wear, and constant maintenance. Upgrading to a balanced mechanical cartridge seal (configured to API 682 piping plans) provides a completely leak-free seal boundary. This eliminates environmental hazards, prevents shaft sleeve wear, and significantly reduces downtime.
One Call Restarts Your Flow
Flow stopped? Line down?
Don't wait weeks for OEM parts - we rebuild it bulletproof in days.
(832) 860-5493
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Email: INFO@DIRECTMAINTENANCESERVICES.COM
