Midland Lead-Free Brass Check Valve (SWT)

The Midland lead-free SWT x SWT check valve automatically prevents reverse flow in potable water and plumbing systems. Designed with solder (sweat) end connections, it installs directly into copper tubing to help protect pumps, water heaters, fixtures, and other downstream equipment.

Manufactured from durable lead-free brass, this inline check valve provides dependable backflow prevention and long-lasting performance in residential, commercial, and light industrial applications.

Key Features

• Lead-free brass construction
• Solder (SWT) end connections
• Designed for copper tube installations
• Automatically prevents reverse flow
• Inline compact body design
• Suitable for potable water systems
• Available in multiple nominal pipe sizes

Construction Details

Constructed from corrosion-resistant lead-free brass for dependable service in copper piping systems.

The internal check mechanism opens under forward flow and automatically closes when flow reverses, helping prevent unwanted backflow.

Precision-machined solder sockets provide secure, leak-resistant connections when properly installed on copper tubing.

Important Notes

Install with the flow direction matching the arrow marked on the valve body.

Use accepted soldering practices and compatible copper tubing for installation.

Verify pressure, temperature, and local plumbing code requirements before installation.