ZORO SELECT CHK SST 410-4F4M-F 1/4" FNPT x MNPT Stainless Steel Piston Spring

This Zoro Select 410 series piston spring check valve is an inline, single-flow check valve for general-purpose air and fluid service. It uses a stainless steel spring-loaded piston to allow one-way flow and closes at a 1 psi cracking pressure for one-way flow applications in piping systems. The valve has a stainless steel body with 1/4 in. FNPT x MNPT NPT connections and can be mounted horizontally or vertically.

Key Features:

• Piston spring check design: Inline piston mechanism with single-flow design.
• Connection size and type: 1/4 in. FNPT x MNPT with female side 1 and male side 2 NPT connections.
• Material construction: Stainless steel body, check mechanism, seat, and spring.
• Seal material: Viton/FKM seal.
• Pressure rating: 500 psi maximum operating and water pressure.
• Cracking pressure: 1 psi.
• Temperature range: -20 degrees F to 180 degrees F.
• Mounting orientation: Horizontal or vertical.
• Flow coefficient: Cv 0.6.
• Dimensions: 1.38 in. overall length, 0.69 in. width, 19/32 in. overall height, 19/32 in. hex size.
• Standards: UL, UR.