Simmons 501sb Check Valve, 1/2 In Fpt, Silicon Bronze, 400 Psi

The Simmons 501SB Check Valve is a one-way flow control valve designed to prevent backflow in residential and commercial plumbing systems. This 1/2-inch female threaded (FPT) valve ensures water flows in one direction only, protecting your water supply lines, irrigation systems, and HVAC applications from contamination and pressure loss.

Built from durable silicon bronze, this check valve resists corrosion and handles demanding conditions while meeting health and safety standards. With lead-free construction containing less than 0.05% lead, it is safe for drinking water applications. The valve's solid cast body prevents deformation even under high pressure, making it a reliable choice for both DIY homeowners and professional plumbers.

Features and Benefits

• Silicon Bronze Construction: Durable material provides excellent corrosion resistance and longevity in various plumbing environments.
• Lead-Free and Safe: Contains less than 0.05% lead, meeting health standards for drinking water systems.
• Stainless Steel Spring: Resists corrosion and wear, ensuring dependable long-term operation and reliable backflow prevention.
• Secure Seal: Furnished with a Buna-N O-ring, washer, and locknut for leak prevention and ease of installation.
• High Pressure Rated: Handles 400 psi working pressure for 1/2-inch through 1-1/2-inch sizes, suitable for residential systems.
• Female Threaded Connection: Standard FPT connections make installation straightforward and compatible with typical plumbing systems.

Specifications

• Brand: Simmons
• Model: 501SB
• Size: 1/2 inch
• Connection Type: Female Threaded (FPT)
• Body Material: Silicon bronze cast body and poppet
• Lead Content: Less than 0.05%
• Working Pressure: 400 psi
• Included Components: Buna-N O-ring, stainless steel spring, washer, and locknut