Reliable GFR VELO–ECOH Bulletin

Model GFR VELO–ECOH Upright
(SIN R6553) Standard Response

Features

1. Provides Extended Coverage Ordinary
Hazard protection to 400 ft
sprinkler.
2. Very Extra Large Orifice of Nominal K=14.0
(200) results in low pressures.
3. 212°F (100°C) and 165°F (74°C) temperature
rating.
4. Available in brass, chrome, black plated and
polyester coated finishes.
5. Can be used for all editions of NFPA 13.
Listings & Approvals
1. Listed by Underwriters Laboratories, and UL certified
for Canada (cULus)
2. NYC MEA 258-93-E

UL Listing Category

Sprinklers, Automatic and Open Extended Coverage
Sprinklers— Ordinary Hazard Occupancy
UL Guide Number
VNIV

Product Description

The Reliable Model VELO-ECOH Extended Coverage Sprin-
kler has a very extra large orifice, Nominal K=14.0 (200). It can
provide Ordinary Hazard protection to 400 ft
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 ft
per sprinkler when the system is designed to NFPA 13 hydraulic
density requirements.
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
reduced labor.
Model GFR VELO-ECOH Sprinklers use a levered fusible alloy
solder link.
The Reliable Automatic Sprinkler Co., Inc., 103 Fairview Park Drive, Elmsford, New York 10523
(37.2m ) per
2 2

Design Criteria

Reliable Model GFR VELO-ECOH sprinklers are to be used
in systems designed and installed in accordance with NFPA 13
and all other local codes and ordinances. The following design
criteria also apply:
• Minimum sprinkler spacing is 12' (3.6 m).
• Minimum flow requirement is shown in the Flow Re-
• ECOH sprinklers are only to be used in systems hy-
(37.2 m ) at lower
2 2
• Deflector to commodity clearance shall be a minimum
(37.2m )
2 2
• ECOH sprinklers shall be installed in unobstructed
• Sprinklers can be installed under a sloping ceiling not
• Maximum working pressure is 175 psi (12 bar) at the
Model GFR VELO–ECOH
Extended Coverage
Ordinary Hazard
Upright Sprinkler
Model GFR VELO-ECOH Upright
quirements Table on the reverse side.
draulically designed per NFPA 13, and for a minimum
area of 1,500 ft (139.4 m
2
is greater.
of 18" (457mm).
constructions as defined in NFPA 13.
exceeding 2" (50.8mm) of rise in 12" (305mm).
sprinkler.
Bulletin 165 Rev. E
) or 5 sprinklers, whichever
2