FERNCO Donuts are flexible PVC donut-shaped rings for the compression sealing of sewer pipe joints and DWV connections such as sockets, hubs, bells and spigots. They offer all of the properties necessary to create a strong, lasting joint.
Product Details
Manufacturer: FERNCO
Manufacturer's Part Number: P44U-305
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Product Features
- Rated for underground use
- Eliminates the necessity for cement or mortar
- Flexes with ground movement for a secure seal
- Resistant to chemicals, UV rays and fungus growth
- Compression fitting adapts a service-weight cast-iron hub to SCH 40 and steel
- Made of elastomeric PVC, is corrosion proof and is unaffected by acid or alkali
- Provides several points of seal to accommodate possible irregularities on-the pipe surface
Product Specifications
| Connection Type | SV x Hub |
| Nominal Size | 4 x 3 in |
| Operating Temperature | 120 deg C |
| Pressure Rating | 4.3 psi |
| Schedule Rating | SCH 40 |
Product Documents
| Instruction/Installation Manual | Click here to download |