The B&K 101-606 is a high-performance in-line check valve from the ProLine Series, designed to permit water flow in one direction while preventing backflow in residential, commercial, and irrigation systems. This 1-1/4-inch solvent x solvent PVC valve is engineered for use in both Schedule 40 and Schedule 80 PVC piping systems, offering versatility and reliability in a wide range of plumbing applications.

The valve features a spring-loaded poppet mechanism with a stainless steel spring and rubber O-ring, ensuring a tight seal and dependable backflow prevention. An integrated directional flow arrow is molded into the valve body to guide proper installation. Rated for 200 PSI at 73°F, this valve is ideal for cold water systems and is not intended for use with compressed air.

Key Features:

• Material: Durable PVC body for corrosion resistance and long service life
• Connection Type: 1-1/4-inch solvent x solvent (slip) ends
• Compatibility: Fits both Schedule 40 and Schedule 80 PVC pipe
• Backflow Prevention:
  • Spring-loaded poppet mechanism
  • Stainless steel spring for corrosion resistance
  • Rubber O-ring for a watertight seal
• Flow Direction: Molded arrow on valve body ensures correct installation
• Pressure Rating: Rated for 200 PSI at 73°F
• Standards Compliance: Solvent ends comply with ASTM D2846
• Application Limitation: Not for use with compressed air
• Packaging: Typically sold in case quantities (check with supplier for specifics)

Applications:

• Residential Plumbing: Prevents backflow in home water systems
• Irrigation Systems: Ensures unidirectional flow in sprinkler and drip systems
• Commercial Plumbing: Suitable for light commercial water distribution systems
• Water Treatment Systems: Helps maintain flow integrity in filtration and softening units
• Pump Systems: Prevents reverse flow and protects equipment from water hammer