Description
Belimo B352 — 2″ NPT 3-Way Ball Valve for Chilled & Hot Water Systems
The Belimo B352 is a heavy-duty 3-way ball valve engineered for demanding chilled water and hot water HVAC applications. Featuring a nickel-plated forged brass body paired with a stainless steel ball and stem, this valve delivers exceptional corrosion resistance and long service life in both heating and cooling systems.
Key Features
- 2″ NPT connection for straightforward installation into standard piping systems
- High-flow 83 Cv rating ensures minimal pressure drop across the valve
- 3-way configuration for versatile mixing or diverting applications
- A-port: Equal Percentage flow characteristic for precise, stable control throughout the full stroke
- B-port: Modified flow characteristic engineered to maintain constant common port flow
- Nickel-plated forged brass body for superior strength and corrosion resistance
- Stainless steel ball and stem for durability and leak-free performance
- Rated for chilled water and hot water service up to 250°F maximum
Flow Characteristics
The B352 uses a dual-characteristic design to optimize system performance. The A-port delivers an equal percentage flow curve, providing fine-tuned modulating control ideal for variable flow hydronic systems. The B-port’s modified characteristic is specifically designed to keep common port flow constant, reducing system imbalance and improving overall efficiency.
Construction & Materials
- Body: Nickel-plated forged brass
- Ball and stem: Stainless steel
- Connection type: NPT (National Pipe Thread)
- Pipe size: 2″
- Maximum temperature: 250°F
Typical Applications
- Chilled water coil control in air handling units (AHUs)
- Hot water heating coil control
- Fan coil unit (FCU) water-side control
- Commercial and industrial hydronic systems
- Building automation and DDC control systems
Why Choose Belimo?
Belimo is a globally recognized leader in HVAC valve and actuator technology, trusted by mechanical contractors and building automation professionals for precision, reliability, and long service life. The B352 is designed to pair seamlessly with Belimo actuators for complete valve-actuator assemblies.
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