Description
The Armstrong Fluid Technology 570109-377 CBV-3FS is a heavy-duty flanged circuit balancing valve designed to deliver accurate, pressure-independent flow control in commercial and industrial hydronic systems. Built with corrosion-resistant stainless steel trim and a durable EPDM seat, this valve maintains consistent performance across a wide range of operating conditions — reducing energy waste, protecting system components, and extending overall service life.
Whether you’re balancing flow in a large-scale HVAC installation, an industrial water system, or a fire protection network, the 570109-377 provides the reliability and precision your system demands.
Product Highlights
- Pressure-independent design ensures consistent, accurate flow regulation regardless of system pressure fluctuations
- 3-inch flanged connection accommodates higher flow rate applications with ease
- Stainless steel trim provides superior corrosion resistance for long-term durability
- EPDM seat material offers excellent sealing performance and chemical compatibility
- Ideal for HVAC, industrial water, and fire protection system balancing
Specifications
- Brand: Armstrong Fluid Technology
- Connection Type: Flanged
- Size: 3 inches
- Trim Material: Stainless Steel
- Seat Material: EPDM
- Weight: 45.5 lbs
- Dimensions (L x W x H): 8.5 in x 15.5 in x 14 in







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