Nibco F-667-O-3 Flanged Cast Iron Gate Valve 3 Inches

Product Description

The NIBCO F-667-O-3 is a 3-inch flanged cast iron gate valve built for demanding commercial and industrial service. It controls flow in hot and cold water systems, HVAC piping, steam lines, gas distribution, and general utility applications. Cast iron construction provides durability across a broad range of service conditions. Licensed plumbers and pipefitters install this valve in mechanical rooms, utility piping systems, and process lines where a reliable full-bore shutoff is required.

This gate valve is suited for commercial and industrial installations where flanged connections are specified. Typical applications include building HVAC systems, steam distribution, water service mains, and general utility piping. The flanged end configuration allows for bolted inline installation and straightforward removal for service or replacement without cutting pipe.

Key Features

• 3-inch flanged end connections for bolted inline installation
• Cast iron body rated for commercial and industrial service environments
• Compatible with hot and cold water, HVAC, steam, gas, and general utility media
• Full-bore gate design minimizes pressure drop in open position
• Backed by the NIBCO 5-year 125 percent limited warranty

Compatibility

Designed as an OEM-style flanged gate valve for commercial mechanical, HVAC, and industrial piping systems where a 3-inch cast iron flanged gate valve is specified.

Installation Notes

Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local mechanical codes and ASME piping standards. Shut off and depressurize the system completely before installation or removal. Flange bolts should be tightened in a cross pattern to ensure even gasket seating. Refer to NIBCO technical data sheets and installation guides for engineering specifications and chemical compatibility before selecting this valve for a specific service.

Technical Specifications

• Body Material: Cast Iron
• End Connection: Flanged
• Valve Size: 3 inches
• Valve Type: Gate Valve
• UPC: 039923699879

Standard Information

• Brand: NIBCO
• Manufacturer Part Number: F-667-O-3