Marshall Excelsior Back Check Valve 1-1/4" MPT x 1-1/4" FPT Steel w/Bonded Soft Seat

The Marshall Excelsior Back Check Valve ME870SBN-10 is designed for high-pressure liquid propane (LP-Gas) and anhydrous ammonia (NH3) applications. This valve features a 1-1/4" Male Pipe Thread (MPT) x 1-1/4" Female Pipe Thread (FPT) connection and is rated for a flow rate of 61 GPM at a 10 PSIG pressure differential.

Key Features:

• High Flow Rate: Up to 20% more flow than the nearest competitor.
• Dual Seating Capabilities: Factory-installed O-ring for a leak-free, soft seat seal; removable for metal-to-metal seating.
• Integral Breakaway Feature: Leaves valve assembly intact with an internal hex broach for easy removal.
• Stainless Steel Internal Components: Ensures durability and longevity.
• Versatile Use: Suitable for LP-Gas and NH3 applications.

Specifications:

• Connection Size: 1-1/4" MPT x 1-1/4" FPT (31.75 mm x 31.75 mm)
• Flow Rate: 61 GPM (231 L/min) at 10 PSIG (0.69 bar) pressure differential
• Material: Steel with bonded soft seat
• Operating Temperature Range: -40°F to +180°F (-40°C to +82°C)