Caleffi 3/4" Female NPT FlowCal Automatic Flow Balancing Valve w/ PT Test Ports (1.5 GPM)

FlowCal automatic flow balancing valves maintain a constant fixed flow rate within varying system differential pressure ranges. Operation is fully automatic, requiring no manual adjustment. The 121 series utilizes an exclusive, interchangeable flow cartridge, made of anti-scale, low noise polymer for use in cooling and heating systems. The FlowCal 121 series automatic flow balancing valves are available with integral shut-off ball valve and optional factory-installed pressure and temperature test ports. Drain valves are also available as an accessory for installing in the blowdown port connection. Specifications: Automatic flow balancing valve with integral ball valve Brass body Patented, anti-scale, low noise polymer FlowCal cartridge Max working pressure: 400 psi (400 WOG) Working temp range: 32°- 212°F (0° – 100°C) Max percentage of glycol: 50% Differential pressure control ranges: 2 - 32 psid Flow rate: 1.5 GPM Flow accuracy: ±10% Available with optional factory-installed pressure and temperature test ...