

5 Line Multi-Size Front & Back Plugs
The new 5-LINE Molded Front and Back Plugs are better in a number of ways. The most noticeable difference is in the very unique new design featuring the LANSAS proprietary “Flat-Rib” design which holds 60% more back pressure than standard O-ring ribbed plugs. We are using our improved reformulated rubber and laying the fabric in a way that the plugs can get the widest range of use on the market today. As with all other LANSAS products included in the 5-LINE group, our 5-LINE Multi-Size Front and Back plugs are equipped with the LANSAS RP2 – Rupture Protection. We trust in this design enough to back it with the 5-LINE 5 YEAR WARRANTY. If you are looking for the most ROI look no further than the LANSAS 5-LINE where once again we show LANSAS is BETTER BY DESIGN since 1955.
5 LINE MULTI-SIZE PLUGS | ||||||||
MULTI-SIZE BACK PLUG | ||||||||
PART NUMBER | RANGE OF USE | REQUIRED INFLATION PRESSURE | MAXIMUM BACK/TEST PRESSURE | BYPASS SIZE | PRODUCT DIMENSIONS | |||
MINIMUM PIPE DIAMETER | MAXIMUM PIPE DIAMETER | LENGTH | DEFLATED DIAMETER | WEIGHT | ||||
550-816 | 7.4″ | 16.25″ | 30 psi | 15 psi | N/A | 32.0″ | 7.3″ | 14 lbs. |
550-1018 | 9.1″ | 18.25″ | 30 psi | 15 psi | N/A | 35.0″ | 9.0″ | 21 lbs. |
550-1224 | 10.6″ | 24.25″ | 30 psi | 15 psi | N/A | 41.5″ | 10.5″ | 30 lbs. |
MULTI-SIZE FRONT PLUG | ||||||||
551-1018 | 9.1″ | 18.25″ | 30 psi | 15 psi | 3/4″ + 1/4″ | 35.0″ | 9.0″ | 26 lbs. |
551-1224 | 10.6″ | 24.25″ | 30 psi | 15 psi | 3/4″ + 1/4″ | 41.5″ | 10.5″ | 37 lbs. |

