Product Features
Strength and Durability
The primary difference lies in their strength and durability. The Heavy Duty No-Hub Coupling is designed to be more robust and able to withstand higher levels of stress and pressure compared to the standard No-Hub Coupling. It is constructed with thicker and more heavy-duty materials, making it ideal for applications where additional strength is required, such as in commercial or industrial settings, or in areas with heavy foot traffic.
Load-Bearing Capacity
Due to its enhanced strength, the Heavy Duty No-Hub Coupling typically has a higher load-bearing capacity than the standard No-Hub Coupling. This makes it suitable for use in situations where there might be greater weight or movement exerted on the plumbing system, ensuring a secure and reliable connection.
Application and Environment
The standard No-Hub Coupling is commonly used in residential and light commercial plumbing systems where the stress and pressure are relatively lower. It is well-suited for general plumbing applications where a durable but less heavy-duty coupling is sufficient.
Specifications


Diamond only
| Part No. | Size | QTY/Sets |
| HDM-150 | 1 1/2" | 100 |
| HDM-22 | 2" | 100 |
| HDM-33 | 3" | 100 |
| HDM-44 | 4" | 100 |
| HDM-55 | 5" | 30 |
| HDM-66 | 6" | 30 |
| HDM-88 | 8" | 20 |
| HDM-1010 | 10" | 10 |
| HDM-1212 | 12" | 12 |