Nibco W-910-B-LF-6 Wafer Silent Check Valve 6 in

Product Description

The NIBCO W-910-B-LF-6 is a 6-inch cast iron wafer-style silent check valve designed to fit between standard flanges without the need for dedicated valve flanges. The sliding disc design allows flow in one direction and closes quietly to prevent backflow, reducing water hammer in the system. This valve is built to lead-free standards, making it suitable for potable water and plumbing applications where lead-free compliance is required. It is installed by licensed plumbers and mechanical contractors in commercial, industrial, and institutional piping systems.

This valve is used in commercial mechanical rooms, industrial process piping, and institutional HVAC hydronic systems where a compact, flangeless check valve is needed. The wafer body style keeps the installation footprint minimal between existing flanged connections. It can be installed in horizontal piping runs or in vertical piping with flow moving upward. It is well suited for water distribution, heating and cooling loops, and general fluid service applications.

Key Features

• Wafer-style body fits between standard flanges for compact installation
• Sliding disc silent check design minimizes water hammer on closure
• Cast iron body construction for durability in commercial and industrial service
• Lead-free compliant for potable water and plumbing code applications
• Suitable for horizontal installation or vertical installation with upward flow
• Backed by the NIBCO 5-year 125 percent limited warranty

Compatibility

Designed for installation between standard flanges in 6-inch commercial and industrial piping systems. Compatible with the W-910-B-LF and W-960-B-LF product series per supplier designation.

Installation Notes

Installation should be performed by a licensed plumber or mechanical contractor in accordance with applicable codes including IPC and ASME piping standards. Shut off and depressurize the piping system fully before installing or removing the valve. Confirm flow direction arrow on the valve body aligns with system flow direction prior to flange bolt-up. Refer to NIBCO technical data sheets and chemical resistance guides for detailed engineering and installation requirements.

Technical Specifications

• Valve Size: 6 inches
• Body Style: Wafer
• Valve Type: Silent Check Valve
• Body Material: Cast Iron
• Lead-Free Compliant: Yes
• UPC: 039923326997

Standard Information

• Brand: NIBCO
• Manufacturer Part Number: W-910-B-LF-6