Conduit Plugs and Duct Sealing Products
Utility Pipe Supply provides contractors with conduit plugs and duct sealing products that protect underground utility systems from damage. Our fittings selection also includes caps, couplings, elbows and sweeps, reducers, saddles and clamps, seals and gaskets, tees, transitions and adapters, and valves.
Each product is designed to block moisture, dirt, and debris while maintaining long-term system integrity in demanding field conditions. With certified quality, in-stock availability, and nationwide delivery, we supply the sealing solutions contractors trust to complete projects efficiently and with confidence.
Kwikie Plugs | Wing Nut | Cal Am | Pipe Seal & Test
From $7.25Unit price /Select Option-
Kwikie Plugs with Loop Nut | Conduit Seal
From $3.90Unit price /Select Option -
JackMoon Fiber Optic Simplex Plugs | Cal Am | Cases of 20
From $138.30Unit price /Select Option -
Poly Plugs | Temporary Duct & Conduit Seals | CalAm
From $0.70Unit price /Select Option 
ETCO Fast-Loc Plug | Wing Nut | Duct Plugs | Smooth or Ribbed Innerduct
From $2.22Unit price /Select Option
ETCO FAST-LOC PLUG | LOOP NUT | DUCT PLUGS FOR SMOOTH OR RIBBED INNERDUCT
From $0.62Unit price /Select Option
Square T-Cone Plug Without Flange | Square Duct Seal
From $3.72Unit price /Select Option-
Quick Seal Terminators | Fiber Optic | ETCO E-Loc
From $10.15Unit price /Select Option -
Quick Seal Terminators | Double E-Loc Sealing | ETCO
From $7.67Unit price /Select Option
Frequently Asked Questions
What are conduit plugs and duct plugs used for?
What are conduit plugs and duct plugs used for?
Conduit plugs and duct plugs are used to seal the ends of conduits and ducts during or after installation. They prevent moisture, debris, and pests from entering underground utility systems, maintaining system reliability.
Why are conduit plugs important in utility installations?
Why are conduit plugs important in utility installations?
Conduit plugs protect cables and pipes from contamination, corrosion, and water intrusion in underground environments. They also preserve conduit integrity, ensuring long-term performance and safety compliance.
What materials are conduit plugs made from?
What materials are conduit plugs made from?
Our conduit plugs are manufactured from durable rubber, thermoplastic, or high-density polyethylene materials. These materials offer flexibility, corrosion resistance, and secure sealing even under harsh field conditions.
Are your conduit plugs compatible with different conduit materials?
Are your conduit plugs compatible with different conduit materials?
Yes, our plugs are compatible with PVC, HDPE, steel, and fiberglass conduits. Each plug fits snugly to maintain a watertight seal regardless of material type or application.
Do your conduit plugs meet industry performance and safety standards?
Do your conduit plugs meet industry performance and safety standards?
Yes, our conduit plugs comply with ASTM and NEMA standards for sealing, pressure resistance, and durability. These certifications ensure safe, reliable performance in professional utility installations.
Can conduit plugs be reused after removal?
Can conduit plugs be reused after removal?
Some conduit plugs are reusable depending on design and material composition. Reusable plugs maintain integrity after inspection, cleaning, and proper reinstallation in subsequent projects.
Are your duct plugs designed for pressurized and non-pressurized systems?
Are your duct plugs designed for pressurized and non-pressurized systems?
Yes, we offer duct plugs suitable for both pressurized and non-pressurized conduit systems. They maintain secure sealing even under varying air or fluid pressures.
How do conduit plugs help maintain system integrity?
How do conduit plugs help maintain system integrity?
Conduit plugs prevent moisture, gas, and debris infiltration that could cause corrosion or performance loss. They ensure conduits remain sealed, dry, and structurally sound throughout their service life.
Are conduit plugs available in multiple sizes and configurations?
Are conduit plugs available in multiple sizes and configurations?
Yes, we carry conduit plugs in various diameters, styles, and compression options. Each model is designed to match specific conduit types and field requirements.
How can I request pricing or product information for conduit plugs?
How can I request pricing or product information for conduit plugs?
You can contact our sales department directly or submit a “Request a Quote” form through our website. Our specialists will provide product specifications, pricing details, and availability based on your project needs.