Does your project require custom coupling sizes and/or chemical resistance?
We’ve got you covered.
Even with the widest selection of flexible coupling sizes in the industry, we realize some jobs need custom couplings. Mission Rubber is unique among rubber manufacturers. Our vertically integrated operation combines rubber mixing, molding operations, metal stamping, tooling and final assembly in a single campus. Your custom order will be tracked by a modern MRP system and supported by a team of professional technicians, engineers and managers.
Choose from large diameter or chemical resistant couplings.
Designed for the repair, alteration and rehabilitation of large diameter gravity flow sanitary, sewer and storm drain systems.
301 Series Stainless Steel Shield (.012” thick, or 0.0315″ thick on 15″ wide coupling)
EPDM Flanged Bushings Available (for O.D. differences up to 6”)
Designed to provide flexible, watertight joints on chemical drainage systems.
301 Series Stainless Steel Clamps (2 or 4)
301 Series Stainless Steel Shield
High Performance Fluoroelastomer (FKM) Gasket
Production and Delivery
Custom, Large Diameter FLEX-SEAL® Sewer Couplings
Factory lead time: 24 – 48 hours Next Day orders received before 10AM PST can ship next business day. Same day orders received before 10AM PST can be picked up at Will Call.
Custom FKM Chemical Resistant Couplings
Factory lead time: 48 – 72 hours.
NOTE: All custom couplings orders are non-returnable and non-refundable. For non-pressure, gravity flow applications only.
Get a Quote
Choose a custom coupling type below, tell us about your pipe system, and submit your request. A Mission Rubber representative will contact you to confirm your order before processing.