The Reliable Model VELO-ECOH Extended Coverage Sprinkler
has a very extra large orifice, Nominal K=14.0 (200). It can
provide Ordinary Hazard protection to 400 ft2
) at lower
pressures than an XLO which has a K=11.2 (160.2).
The Model GFR VELO-ECOH Sprinklers provide protection in
Ordinary Hazard Group 1 and 2 Occupancies to 400 ft2 (37.2m2
per sprinkler when the system is designed to NFPA 13 hydraulic
Model GFR VELO-ECOH Upright Sprinklers are to be installed
according to the design criteria shown in this bulletin. The use
of ECOH sprinklers can provide opportunities for lower system
installation costs by requiring fewer sprinklers, less piping and
Model GFR VELO-ECOH Sprinklers use a levered fusible alloy
Note: Some sprinkler head may or may not have Teflon tape applied. The heads have never been installed.