FLEX-SEAL® Corrugated Transition Couplings

Shielded storm water, sewer and drainage system couplings connect and transition Ribbed/Corrugated (HDPE, PVC) profile pipe to smooth wall, Plastic pipe. For non-pressure, gravity flow applications only. Recommended for underground installations. Easy to install and reuse.

Multiple sizes from 4” to 48”.

COMPONENTS
Clamps:
300 Series Stainless Steel, Worm Drive or
300 Series Stainless Steel, Worm Drive with Surgical Grade 316 Stainless Steel, Nut & Bolt or
300 Series Stainless Steel, Worm Drive with Surgical Grade 316 Stainless Steel, T-Bolt
Shield: Heavy-Duty, 301 Series Stainless Steel, .012" thick
Gasket: Molded, one-piece, elastomeric sealing gasket

Download Instructions

RECOMMENDED TOOLS: Seekonk Torque Wrench - Pre-Set 60 in/lbs. with .3125” hex head screw

ASTM A240/A240M-06 View
ASTM C425-04 View
ASTM C1173-06 View
ISO 9001:2008 View
Flex-Seal-MR70-Series-4-to-8-Submittal-for-WebView
Mission Rubber FLEX-SEAL® Corrugated Couplings MR70 SERIES Submittal (10" to 15")View
Mission Rubber FLEX-SEAL® Corrugated Couplings MR70 SERIES Submittal (18" to 48")View
Mission Rubber FLEX-SEAL® Corrugated Transition Couplings MR70 SERIES
EASY

MISSIONMADE™ products are easy to install and reuse.

LEAKPROOF

Increased band tension secures pipe ends, forming a watertight, root-proof seal, impervious to infiltration and exfiltration.

RIGID

Thick, stainless steel shield controls load bearing between coupling and pipe surface, opposing shear forces while maintaining pipe alignment.

RESILIENT

Synthetic rubbers permit considerable distortion withstanding tension and compression. More pliable, easier to install in cold weather applications than elastomeric PVC gaskets.

DURABLE

Synthetic rubber gasket resists ultraviolet rays, ozone, fungus growth, natural soil erosive properties, and normal sewer gases.

SECURE

Sealing “O” Rings under each clamp prevent pipe end slippage for a reinforced joint seal.

ANTICORROSIVE

Stainless steel components resist corrosion in marine applications, poorly aerated/moist soils, contaminated grounds conditions, (e.g. industrial fill sites) and chloride, sulfates or bicarbonates in ground water.

ADAPTABLE

Independent clamp tightening adapts to different outside pipe diameters.

SUSTAINABLE

Certified Cradle to Cradle™ - Manufactured within a 5-Point Continual Improvement process: material health, material reutilization, renewable energy and carbon management, water stewardship, and social fairness.

  1. EASY
  2. LEAKPROOF
  3. RIGID
  4. RESILIENT
  5. DURABLE
  6. SECURE
  7. ANTICORROSIVE
  8. ADAPTABLE
  9. SUSTAINABLE

MR70 SERIES

MR PartPartConnectsA-MIN (IN)A-MAX (IN)B-MIN (IN)B-MAX (IN)C-WIDTH (IN)
MR70 4414040364" RIBBED/CORRUGATED to 4" PL4.64.84.24.54
MR70 6414060766" RIBBED/CORRUGATED to 4" PL6.7574.24.56
MR70 6614060806" RIBBED/CORRUGATED to 6" PL6.7576.36.56
MR70 8814086238" RIBBED/CORRUGATED to 8" PL9.29.58.28.46
MR70 1010141074010" RIBBED/CORRUGATED to 10" PL11.211.510.210.56
MR70 1212141211512" RIBBED/CORRUGATED to 12" TWP14.314.612.212.510
MR70 1515141544015" RIBBED/CORRUGATED to 15" TWP17.4517.751515.310
MR70 1818141881918" RIBBED/CORRUGATED to 18" TWP20.721.318.519.510
MR70 2424142442024" RIBBED/CORRUGATED to 24" TWP27.528.224.825.810
MR70 3030143000130" RIBBED/CORRUGATED to 30" TWP34.635.6313210
MR70 3636143600236" RIBBED/CORRUGATED to 36" TWP40.341.337.338.310
MR70 4242144200342" RIBBED/CORRUGATED to 42" TWP47.248.243.544.510
MR70 4848144800448" RIBBED/CORRUGATED to 48" TWP52.953.949.850.810

MR70 SERIES

MR PartPartDescriptionCase Qty.Case Wt (lbs.)Price
MR70 4414040364" RIBBED/CORRUGATED to 4" PL1211.26$22.54
MR70 6414060766" RIBBED/CORRUGATED to 4" PL89.04$57.66
MR70 6614060806" RIBBED/CORRUGATED to 6" PL89.20$48.22
MR70 8814086238" RIBBED/CORRUGATED to 8" PL410.40$74.11
MR70 1010141074010" RIBBED/CORRUGATED to 10" PL1$339.00
MR70 1212141211512" RIBBED/CORRUGATED to 12" TWP1$460.35
MR70 1515141544015" RIBBED/CORRUGATED to 15" TWP1$541.04
MR70 1818141881918" RIBBED/CORRUGATED to 18" TWP1$631.53
MR70 2424142442024" RIBBED/CORRUGATED to 24" TWP1$866.30
MR70 3030143000130" RIBBED/CORRUGATED to 30" TWP1$1194.54
MR70 3636143600236" RIBBED/CORRUGATED to 36" TWP1$1456.75
MR70 4242144200342" RIBBED/CORRUGATED to 42" TWP1$1710.30
MR70 4848144800448" RIBBED/CORRUGATED to 48" TWP1$1813.37