Mcdonnell & Miller FS7-4E Industrial/Heavy-duty Flow Switch 1-1/4 MNPT 120/240VAC

Product Description

The Mcdonnell & Miller FS7-4E is a robust industrial/heavy-duty flow switch designed for precision in large pipe applications including heating and hydronic systems, air-conditioning, refrigeration and process work, particularly in hazardous environments. With a maximum flow rate of 7.7 gallons per minute and pressure resistance up to 300 psi, this switch proves essential for maintaining system integrity and efficiency.

• Constructed from high-grade brass, stainless steel, bronze, and PTFE for long-lasting durability and corrosion resistance.
• Features NEMA 7,9 certified switch enclosure ensuring safe operation in explosive atmospheres.
• Simple single pole double throw snap switch mechanism facilitates easy operation and maintenance.

Product Highlights

Optimally engineered to withstand temperatures from 32 to 300 degrees Fahrenheit, the FS7-4E switch ensures reliable performance under extreme conditions. The 1-1/4 inch MNPT connection offers standard compatibility across various installation setups.

Technical Specifications

• Switch Type: Single Pole Double Throw Snap Switch
• Flow Rate: Minimum 4.8 GPM, Maximum 7.7 GPM
• Connection Size: 1-1/4 MNPT
• Voltage: 120/240VAC
• Max. Pressure: 300 psi
• Enclosure: NEMA 7,9
• Temperature Range: 32 to 300 Degrees Fahrenheit
• Materials: Brass, Stainless Steel, Bronze, PTFE