Nibco NLH150K 6 Inch Wafer Butterfly Valve Lever Handle

Product Description

The NIBCO NLH150K is a manual wafer-style butterfly valve designed for flow control in piping systems across commercial and industrial applications. The valve features a ductile iron body, an aluminum bronze disc, and a stainless steel stem rated to 416 material grade for the stem and 954 or 955 material grade for the disc. It handles working pressures up to 200 psi and temperatures up to 180 degrees F. The lever handle provides direct manual operation for isolation and throttling service. A Buna-N seat provides a reliable seal across a wide range of media. This valve is lead-free and conforms to MSS SP-67 and U.S. Coast Guard Category A standards.

The NLH150K is suited for 6-inch piping in commercial HVAC, industrial process, marine, and plumbing systems where a compact, wafer-style valve is required between flanges. The wafer design eliminates the need for a flanged valve body, reducing face-to-face installation length and overall system weight. Licensed plumbers, pipefitters, and marine engineers typically install this valve in water, light hydrocarbon, and compatible fluid service lines. Its lever handle makes it appropriate for systems requiring frequent manual actuation or visible position indication.

Key Features

• Ductile iron body provides strength and corrosion resistance in demanding service environments
• Aluminum bronze disc (material grade 954 or 955) offers excellent resistance to dezincification and erosion
• Stainless steel stem (material grade 416) resists corrosion and supports reliable stem integrity over time
• Buna-N seat material compatible with water, oils, and a broad range of process fluids
• 200 psi maximum working pressure and 180 degrees F maximum working temperature
• Lead-free construction meets applicable potable water and code compliance requirements
• Compliant with MSS SP-67 and U.S. Coast Guard Category A requirements

Compatibility

Designed as an OEM-style wafer butterfly valve for installation between standard ANSI flanges on 6-inch pipe systems in commercial, industrial, and marine piping applications.

Installation Notes

Installation should be performed by a licensed plumber or pipefitter in accordance with applicable codes, including ASME B31.1 or B31.9 where relevant. Shut off and depressurize the piping system completely before installation or removal. Verify flange bolt pattern and gasket alignment before torquing fasteners. Do not exceed the rated working pressure or temperature stated on the valve body markings per MSS SP-25.