RAM-100
SOLUTIONS AGAINST CORROSION
STEEL REINFORCEMENT SLEEVES
Type 'B': RAMFILL-RS
 
RAMFILL-RS is a boiler-type repair sleeve for reinforcement of weld deficiencies. Its pyramidal design and a convex bent in the center to properly fit the existing weld to be repaired is a Patented Product in Mexico (Patent # MX/a/2011/005026). Its geometric shape improves the mechanical stress resistance of the sleeve. It is manufactured without welds, with specifications, diameter, and thickness, as requested by each project. 
 
Each halve of the RAMFILL-RS sleeve is manufactured with two bevel sections along the longitudinal ends, to prevent welding product to reach the pipeline when the longitudinal welding is performed on the sleeve as well as to maintain the annular space free of welding gases.
RAMFILL-RS repair sleeves are a patented RAM-100® product that was developed in response to the demand for a fast, safe, and permanent solution to repair weld deficiencies such as:
  • Incomplete penetration
  • Lack of fusion
  • Burnt areas with slag inclusions
  • Porosity
  • Gas bubbles
  • Undercutting

RAMFILL-RS
steel sleeves are repair systems for girth welds of hydrocarbon transmission pipelines. Each repair system is composed by two steel halves welded to each other and manufactured under the following international standards:
  • ANSI/ASME BPV Code for Boiler and Pressure Vessel
  • ANSI/AWS D1.1/D1.1M:2010 Structural Welding Code – Steel – Edition 2010 (sections: 5.24-Weld profiles, 6.9-Visual inspection, and table 6.1-Welding of pipelines and related facilities, Nineteenth Edition, September 1999, Errata 2001 (section 9.7, table 4))
  • ASME PCC-2 – 2011 Repair of Pressure Equipment and Piping
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The traditional length for RAMFILL-RS sleeves is 0.25 m (10”), but sleeves can be custom made as needed or required by specific conditions of the pipeline or deficiency to be repaired, or as requested by the customer.

Once installed, the RAMFILL-RS sleeve restores safety of operation to the pipeline in the area where the welding is reinforced by restoring the stress resistance to equal or higher values of the original conditions of the pipeline.
 
When required for repairs on gas pipelines, and depending on availability in the market, or when requested by the customer, RAMFILL-RS sleeves can be manufactured from API pipes instead of steel plates.

RAMFILL-RS repair sleeves are manufactured to fit perfectly on the pipeline to be reinforced, which allows for a fast and easy installation. 

The installation kit includes RAMFILL epoxy resin to saturate the annular space formed between the pipe and the sleeve, creating an incompressible element that acts as a transmitter of stress from the pipeline to the sleeve. This incompressible resin is for manual application and it can be provided in a semi-liquid state for pressure injection, as requested by the customer.
RAMFILL-RS various takes

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