A strapping joint is only as secure as the seal that binds it. When you pull thousands of pounds of tension on steel banding to lock down metal coils, pipes, or heavy palletized bricks, the seal handles the extreme physical forces of shifting transit. A mismatched or weak seal will slip or shear, leading to catastrophic load failures.
Champion Strapping manufactures high-retention seals and buckles designed to withstand intense tension and pressure. Made in the USA and available in multiple finishes, our seals guarantee maximum joint strength and reliability.
- Open (U-Shape) Seals: Slip easily onto the strapping before or after tensioning.
- Push-Type Seals: Ideal for overlapping flanges and curved loads, requiring a tensioner and sealer.
- Thread-On (Closed) Seals: Pre-threaded onto the strapping before tensioning is applied.
Strapping Seals Specification Tables
Identify the exact part numbers, seal styles, and physical sizes required for your strapping applications.
Regular Duty Steel Strapping Seals
Zinc-galvanized seals designed for light-to-medium-duty regular duty steel strapping.
Strap Size (in) | Part Number | Joint/Seal Type | Length (in) | Finish | Standard Pack Qty | Box Weight (lbs) |
1/2″ | OP-120 | Open | 1-1/8″ | Galvanized | 2500 / 5000 | 18 / 36 |
1/2″ | PU-122 | Push | 1″ | Galvanized | 2500 / 5000 | 26 / 52 |
5/8″ | OP-580 | Open | 1-1/8″ | Galvanized | 2500 / 5000 | 20 / 40 |
5/8″ | PU-582 | Push | 1″ | Galvanized | 2500 / 5000 | 31 / 62 |
3/4″ | OP-340 | Open | 1-1/8″ | Galvanized | 2500 / 5000 | 25 / 50 |
3/4″ | PU-342 | Push | 1″ | Galvanized | 2500 / 5000 | 35.5 / 71 |
Heavy Duty Steel Strapping Seals
High-strength seals engineered to handle heavy-duty heat-treated strapping ($3/4″$ and $1\text{-}1/4″$) under high-impact, high-tension conditions.
Strap Size (in) | Part Number | Joint/Seal Type | Length (in) | Finish | Standard Pack Qty | Box Weight (lbs) |
3/4″ | HD-34TS | Open | 1-3/4″ | Standard | 2000 | 52 |
3/4″ | HD-34TSG | Open | 1-3/4″ | Galvanized | 2000 | 52 |
3/4″ | HD-34TO | Thread-On | 1-3/4″ | Standard | 2000 | 52 |
3/4″ | HD-34TOG | Thread-On | 1-3/4″ | Galvanized | 2000 | 52 |
3/4″ | HD-34PB | Push | 1-3/4″ | Standard | 2000 | 71 |
3/4″ | 34-PBG | Push | 1-3/4″ | Galvanized | 2000 | 71 |
3/4″ | 34-HOC | Push | 2-3/16″ | Standard | 1000 | 48 |
3/4″ | 34-HOCG | Push | 2-3/16″ | Galvanized | 1000 | 48 |
1-1/4″ | HD-114TS | Open | 2-3/16″ | Standard | 1000 | 54 |
1-1/4″ | HD-114TSG | Open | 2-3/16″ | Galvanized | 1000 | 54 |
1-1/4″ | HD-114TO | Thread-On | 2-3/16″ | Standard | 1000 | 54 |
1-1/4″ | HD-114TOG | Thread-On | 2-3/16″ | Galvanized | 1000 | 54 |
1-1/4″ | HD-114PB | Push | 2-3/16″ | Standard | 1000 | 69 |
1-1/4″ | HD-114PBG | Push | 2-3/16″ | Galvanized | 1000 | 69 |
We also offer custom private labeling, specialized packing boxes, and customized seal styles. Let our team manufacture to your exact logistical standards.
B2B Buyer FAQ: Tool & Hardware Compatibility
Detailed hardware integration questions answered directly from our technical experts.
Q: Open Style vs. Push-Type vs. Thread-On Seals: How do they function and which do I need?
A: Each seal is designed for specific load types and tool setups:
- Open Style Seals (U-Shaped): These are the most popular because they allow you to slide them onto the strapping easily before or after you apply tension. They are highly efficient for flat loads such as pallets, lumber bundles, and building materials
- Push-Type Seals: These require you to feed the strapping through the seal, wrapping the strap tightly around curved or irregular loads (such as metal coils and steel pipes). The tool pushes against the nose of the seal to apply maximum tension.
- Thread-On Seals (Closed Style): These must be pre-threaded onto the steel banding before you tension. They are designed for high-tension applications where complete closure is required before pulling heavy load force.
Q: How do I choose between Galvanized and Standard finishes for seals?
A: Finishing is crucial for environmental durability.
- Standard Finish Seals: Made of heavy-carbon steel with a protective standard coating, ideal for indoor warehousing and short-term transit.
- Galvanized Finish Seals: Undergo a hot-dipped zinc process to create a robust, rust-resistant barrier. If your strapping sits in an outdoor marine port, lumber yard, or humid storage container, galvanized seals are mandatory to prevent oxidation from degrading the structural strength of the joint.
Q: Do you provide tool repair for hand tensioners, pneumatic, and battery tools?
A: Yes! To maximize your B2B warehouse uptime, we provide a full-service Strapping Tool Repair & Maintenance Program. We service everything from standard manual sealers and tensioners to pneumatic tools (such as the A452, A480, and A461) and plastic battery units (such as the Fromm P329 and P331). Don’t replace an expensive tool when our technicians can restore it to factory specifications with high-quality, genuine parts.
Low-Friction B2B Action Step
Not sure which seal part number matches your current hand tool or pneumatic tensioner? Download our Seal and Tool Compatibility Matrix.