Specifications:

• Maximum Liquid Pressure:160 PSI (11.3 Kg/cm2)
• Liquid Temperature Range (Tl): 32 – 340 F (0-149C)
• Ambient Temperature Range (Ts):32 – 120 F (0-49C)
• Electrical Enclosure Rating: NEMA Type 1 (IP 21)
• Maximum Velocity: 10ft/sec (3m/sec)
• Pipe Connect Thread Size: 1″ NPT

Resources:

• McDonnel & Miller FS4-3General Purpose Liquid Flow Switch Instruction Manual