4027G40 40 OD x 27 ID, 4 H PRO-RING Round Grade Ring

Item #CRE4027G400

MFG #40-27G-400

: They say time is money; see for yourself how the PRO-RING system dramatically reduces the time and equipment required to construct or reconstruct a single manhole adjustment. Manhole repair sites can be opened and closed in a single day or in a few hours, depending on pavement type and site conditions. Closure results in significant savings and minimizes the impact on traffic when it is necessary to close traffic lanes or streets to complete the work. The use of the PRO-RING system may result in as much as 20% to 30% overall savings when considering the expected 50 Year Design Life.

4027G40 40X27X4 PRO-RING ROUND GRADE

: Made from expanded polypropylene (EPP), a high-strength, energy-absorbing plastic

Meets or exceeds AASHTO HS-25 load requirements

Meets or exceeds material properties per ASTM D4189-13

Meets or exceeds the requirements of ASTM C1244 (vacuum test)

Meets or exceeds the requirements of ASTM C969 (exfiltration test)

Excellent UV resistance

Not damaged or compromised when in direct contact to 285º F HMA (Hot Mix Asphalt)

Approximately 1/20th the weight of concrete grade rings, making it very easy to handle and install

: Height4 in
Inside Diameter27 in
MaterialPolypropylene
Outside Diameter40 in
ManufacturerCretex
Manufacturer #40-27G-400
Nominal Size27 in
SeriesPRO-RING
ShapeRound
TypeGrade

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