Technical data sheet for the Belimo P6600S-691 Electronic Pressure Independent Valve, covering specifications, dimensions, and installation notes.
This document provides technical data for the Belimo P6600S-691 Electronic Pressure Independent Valve, designed for water-side control of heating and cooling systems. The valve maintains constant flow regardless of pressure variations in the system, suitable for applications involving chilled or hot water up to 60% glycol. It features a 6-inch cast iron body with a stainless steel ball and Teflon PTFE seat, rated for ANSI Class 125 pressure.
| Flow Characteristic | equal percentage or linear |
|---|---|
| Body Material | cast iron - GG25 |
| Media Temperature Range | 14°F to 250°F [-10°C to 120°C] |
| Body Pressure Rating | ANSI Class 125 |
| Power Supply | 24 VAC, ±20%, 50/60 Hz |
| Weight | 149.5 lb [67.8 kg] |
| Angle of Rotation | 90° |
| Noise Level | <45 dB (A) |
The valve is suitable for chilled or hot water, up to 60% glycol max.
The power supply is 24 VAC, ±20%, 50/60 Hz, or 24 VDC, -10% / +20%.
The operating ambient temperature range is 14...122 °F [-10...50 °C].