Brass Check Valve – 1‑1/4 in (Model CV125NL)

The CV125NL 1‑1/4 Inch Brass Check Valve is a durable, automatic flow‑control valve designed to prevent backflow in water and fluid piping systems. Engineered for dependable performance, this valve allows fluid to flow in one direction while automatically closing to stop reverse flow when pressure changes occur.

Manufactured from solid brass, the CV125NL provides excellent corrosion resistance and long service life, making it well suited for residential, agricultural, and light commercial applications. Its standard 1‑1/4 inch size ensures compatibility with common piping systems and pump installations where reliable backflow protection is essential.

Key Features

• Prevents Reverse Flow
  Automatically stops backflow to protect pumps, piping, and system components.

• Solid Brass Construction
  Offers superior durability and corrosion resistance in wet environments.

• 1‑1/4 Inch Connection Size
  Compatible with standard 1‑1/4 inch piping and fittings.

• Automatic Check Valve Operation
  Opens with forward flow and closes when flow stops or reverses.

• Reliable Sealing Performance
  Helps maintain system efficiency and pressure stability.

• Low Maintenance Design
  Engineered for dependable operation with minimal service requirements.

Product Description

The CV125NL Brass Check Valve is designed to safeguard plumbing and pumping systems by preventing unwanted reverse flow. When fluid flows in the intended direction, the valve opens smoothly to allow unrestricted movement. When flow stops or reverses, the internal mechanism closes automatically, helping protect equipment and maintain system integrity.

Its brass construction resists rust, corrosion, and mineral buildup, making it suitable for continuous exposure to water in both indoor and outdoor installations. The valve’s compact, inline design allows for easy installation in tight spaces without disrupting system layout.

This check valve is commonly used in pump discharge lines, water supply systems, irrigation setups, and utility piping where dependable backflow prevention is required.

Manufacturer Specifications

• Product Type: Check valve
• Model Number: CV125NL
• Connection Size: 1‑1/4 inch
• Material: Brass
• Operation: Automatic, flow‑activated
• Function: Prevents reverse flow
• Installation Type: Inline
• Application Media: Water and compatible fluids
• Use Location: Residential, agricultural, and light commercial systems

Recommended Applications

• Pump discharge lines
• Well and water supply systems
• Irrigation and sprinkler systems
• Utility and service water piping
• Protection of pumps and pressure systems
• Replacement of worn or leaking check valves

Why Choose Model CV125NL

The CV125NL 1‑1/4 Inch Brass Check Valve offers dependable backflow protection, durable construction, and easy integration into standard piping systems. Its corrosion‑resistant brass body and automatic operation make it a trusted choice for maintaining safe, efficient flow control in a wide range of water system applications.