3/4" NPT Bronze Spring Check Valve MPN:502SB

• The SIMMONS 502SB is a 3/4 in. inline spring check valve with FNPT x FNPT connections for general-purpose water service. It allows flow in one direction and closes to help prevent reverse flow. The valve features a bronze body, a poppet-style check mechanism, and a 0.5 psi cracking pressure, and is specified for inline installation in piping systems, subject to the listed dimensions and specifications.

  Key Features:

  • 3/4 in. nominal valve size with 3/4 in. FNPT x FNPT female NPT connections
  • Inline spring body design with single flow path and poppet check mechanism
  • Bronze valve body
  • 304 stainless steel check mechanism and 302 stainless steel spring
  • Buna-N seal and bronze seat
  • Maximum pressure: 400 psi
  • Maximum temperature: 190 degrees F
  • Cracking pressure: 0.5 psi
  • Mounting orientation: horizontal or vertical
  • mounting position: any
  • NSF 372 and NSF 61 certified
  • ANSI 372
  • Overall dimensions: 3 3/8 in. height, 3.38 in. length, 1 5/8 in. width

Additional Information