Marshall Excelsior 3" FNPT x 3" MNPT Back Pressure Check Valve with Bonded Soft Seat

The Marshall Excelsior ME870SBN-24 Back Pressure Check Valve is designed for high flow transport applications, ensuring reliable performance and safety. This valve features a bonded soft seat and is rated for both LP-Gas and NH3. It offers a flow control of up to 449 gallons per minute (GPM) of liquid propane at a 10 PSIG pressure differential.

Key Features:

• Inlet: 3" FNPT
• Outlet: 3" MNPT
• Flow Rate: 449 GPM (1,699 L/min) for Liquid Propane at 10 PSIG Pressure Differential
• Liquid Butane Capacity: Flow Rate x 0.94
• Liquid Anhydrous Ammonia Capacity: Flow Rate x 0.90
• Material: Steel with bonded soft seat
• Applications: High flow transport, rated for LP-Gas and NH3