The experts at MRG have extensive experience working in nuclear power plants and with nuclear power plant operators. Our team has more than a combined 100 years of experience supporting nuclear power plants with routine fluids analysis (oil and grease), tendon support testing, IR Training, vibration analysis, and ultrasound analysis.
INDUSTRIES SERVES
- Nuclear Power Plants
- Hydro Power Plants
- Coal Power Plants
- Waste to Energy Plants
- Wind Turbines
- Solar Energy
HOW WE SUPPORT POWER GENERATION
- Grease Sampling per ASTM D7718, grease analysis per ASTM D7918
- Oil sampling supplies, including sample fittings, sample bottles (high-temp & UCVD), and the ability to retro-fit sample fittings
- Oil analysis
- HCC – test slate for hydraulics, compressors, and chillers
- PMG – test slate for pumps, motors, and gear boxes
- Diesel Engine Test Slate
- Turbine Oil Test Slate
- Oil Cleanliness Test-Slate
- Coolant Test Slate
- EHC Test-Slate – Electro-hydraulic Control
- Compatibility Studies
- Oil & Grease Compatibility Studies to support lubricant changes that can’t be avoided
- RCFA
- Grease & Oil lubricated components
- ICML 55 Audit
- Custom lubrication storage
- StemThief to support MOV regreasing and sample collection
NUCLEAR POWER PLANTS
MOV Stem and Stem Nut In-Service Lubrication
To date, the only practical way of relubricating the stem and stem nut of an MOV requires stroking the valve back and forth or disassembly. There is now a more efficient option offered by MRG Labs called the StemThief.
MRG Labs introduced the StemThief at the 2013 MOV User’s Group meeting. A simple and straightforward design, the patent-pending StemThief uses the stem protector mounting threads in the actuator housing to introduce a device that creates a seal against the stem nut. This allows new, fresh grease to be pumped into the stem/stem-nut thread area, purging out the old grease and particulates to establish a new lubricant film for the threads. The relubricator tube section of the Stem Thief is sized to slide over the stem grease sampling without impacting it, and a Zerk fitting mounted on the tube allows the new grease to be introduced with a manual lever grease gun.
MOV Stem and Stem Nut In-Service Lubrication
To date, the only practical way of relubricating the stem and stem nut of an MOV requires stroking the valve back and forth or disassembly. There is now a more efficient option offered by MRG Labs called the StemThief.
MRG Labs introduced the StemThief at the 2013 MOV User’s Group meeting. A simple and straightforward design, the patent-pending StemThief uses the stem protector mounting threads in the actuator housing to introduce a device that creates a seal against the stem nut. This allows new, fresh grease to be pumped into the stem/stem-nut thread area, purging out the old grease and particulates to establish a new lubricant film for the threads. The relubricator tube section of the Stem Thief is sized to slide over the stem grease sampling without impacting it, and a Zero fitting mounted on the tube allows the new grease to be introduced with a manual lever grease gun.
