Description
The Spirax-Sarco 58128 is a precision-engineered globe-style flow switch designed for dependable flow detection in HVAC, hydronic, and industrial piping systems. With a 7 to 14 GPM actuation set point range and a robust 400 PSI pressure rating, this switch delivers accurate, repeatable performance across a wide range of system conditions.
Key Features
- Globe-style flow switch body for reliable in-line flow detection
- 7 to 14 GPM actuation set point range for flexible system calibration
- 400 PSI maximum pressure limit for high-pressure system compatibility
- SPDT (Single-Pole, Double-Throw) switching action for versatile control wiring
- 3/4″ Female NPT connection for easy installation into standard piping
Specifications
- SKU: 58128
- Brand: Spirax-Sarco
- Switch Type: Globe Flow Switch
- Actuation Set Point: 7 to 14 GPM
- Maximum Pressure: 400 PSI
- Electrical Configuration: SPDT
- Connection Type: 3/4″ Female NPT
Applications
- Hydronic heating and cooling systems
- Chilled water and hot water piping circuits
- Boiler and pump flow verification
- Industrial process flow monitoring
- Low-flow protection and alarm circuits
The SPDT switching configuration allows this flow switch to be wired for both normally open and normally closed control circuits, making it adaptable to a variety of system control strategies. The 3/4″ female NPT connection ensures straightforward installation into existing pipework without the need for specialty adapters. Backed by Spirax-Sarco’s reputation for quality fluid control products, the 58128 is a trusted solution for contractors and engineers who demand consistent, long-term performance.
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