SIMMONS 505SB 1-1/2" NPT Bronze Spring Check Valve

The SIMMONS 505SB check valve is an inline spring check valve for general-purpose water service. It uses a poppet check mechanism intended for one-direction flow and reverse-flow checking, with a 1 psi cracking pressure. This 1-1/2 in. valve has FNPT x FNPT connections and mounting orientations of horizontal or vertical.

Key Features:

• Body material: silicon bronze with bronze valve body construction.
• Check mechanism: poppet design with a 304 stainless steel mechanism and 302 stainless steel spring.
• Connections: 1-1/2 in. FNPT x FNPT with female NPT threads on both sides.
• Seal and seat materials: Buna-N seal and bronze seat.
• Pressure and temperature ratings: 400 psi maximum water pressure, 400 psi maximum pressure, and 190 degrees F maximum operating temperature.
• Flow design: single inline spring body style.
• Mounting orientations: horizontal or vertical.
• Certifications/standards: multiple NSF, ANSI, and California Proposition standards/certifications as specified by the supplier.
• Dimensions: 4.13 in. overall length, 4-1/8 in. overall height, 2-5/8 in. hex size, 1-1/2 in. cap to inlet center, and 1-1/2 in. height from cap to inlet center.

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