# SBCCI BOCA MR56-43 Rubber Coupling 4" to 3" - Pipe Connector

The SBCCI BOCA MR56-43 Rubber Coupling, designed for connecting 4-inch to 3-inch cast iron or plastic pipes, is a vital component for ensuring secure and reliable fluid and gas transfer systems. This versatile coupling is engineered for industrial, commercial, and residential applications where dependable pipe connections are essential.

-   **Durable Construction:** Crafted from robust rubber materials, providing long-lasting performance and resistance to wear, corrosion, and environmental factors.
-   **Flexible Design:** Absorbs vibrations and accommodates slight pipe misalignments, preventing leaks and system failures.
-   **Easy Installation:** Designed for quick and efficient connections, saving time and labor during installation.
-   **Versatile Application:** Suitable for a wide range of piping systems, including water supply, HVAC, and drainage.
-   **Cost-Effective Solution:** Minimizes maintenance and replacement needs, ensuring smooth system operation and reducing operational downtime.

This coupling offers exceptional performance in demanding environments. SBCCI BOCA MR56-43 ensures the integrity and efficiency of your fluid and gas transportation systems. Trust in the SBCCI brand for reliability.

For more information or to inquire about our product, please contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** Ram Automations
- **Type:** Industrial Automation > Piping & Fittings > Pipe Couplings
- **Tags:** 4 inch to 3 inch, cast iron coupling, MR56-43, pipe connector, plastic pipe coupling, rubber coupling, SBCCI

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 999.00 USD | In stock |

## Images

- SBCCI BOCA MR56-43 Rubber Coupling 4" to 3" - Pipe Connector-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/sbcci-boca-mr56-43-coupling)
> Updated: 2026-10-19