Xylem-Bell & Gossett 132206 Triple Duty Valve 2" Male NPT 3DV-2NMF

The Bell & Gossett Model 3DV Triple Duty Valve is three valves in one: a calibrated balance valve, a check valve, and an isolation/shut-off valve, providing all of the functions normally required on the discharge side of a pump in most HVAC systems. This 2-inch male NPT valve integrates a check valve, shut-off function, and balancing capabilities, making it essential for pump discharge applications.

Key Features:

• Brass body construction with chrome-plated brass ball and glass-filled Noryl check valve with stainless steel spring
• Calibrated ball design allows you to accurately balance your system and throttle excess flow
• Memory stop provides the ability to return the valve to its set point after shut-off
• Includes two extended P/T valves and an extended stem to allow for ease of installation in insulated systems
• Cv rating of 28 for optimal flow characteristics
• 2" male NPT inlet x 2" female NPT outlet connections

Specifications:

• Operating temperature range: -4°F to 250°F
• Maximum working pressure: 200 PSI
• Model: 3DV-2NMF
• Size: 2 inch

Triple Duty Valves are a combination shut-off valve, centered guided non-slam check valve, and calibrated balance valve in one device, providing all of the functions normally required on the discharge side of hydronic pump systems. This space-saving design reduces installation costs and simplifies system setup while ensuring reliable control of fluid dynamics in heating, ventilation, and cooling systems.