Reliable G VELO Pendent Bulletin

Low Pressures for High Hazards
0.70" Orifice, 14.0 K, 7psi (0,5 bar)
Minimum End - Head Pressure
(SIN R4613)

Features

The Reliable Model G VELO pendent sprinkler
offers opportunity for:
1. Pipe size reduction.
2. Fewer sprinklers.
3. Elimination of booster pumps.
4. The best choice for densities of 0.38 gpm/ft
(15 L/min /m 2 ) or larger.
5. Simplifies future ESFR conversions.
US Patents: 5.890.657 and 5.915.479
Listings & Approvals
1. Listed by Underwriters Laboratories, Inc. and
Certified by UL for Canada (cULus).
2. Approved by Factory Mutual (FM) as a storage sprinkler.
3. NYC MEA 258-93-E
UL Guide Number
VNIV
UL Listing Category
Sprinklers, Automatic and Open; Sprinklers for Storage
Protection (Control Mode Density Area)

Technical Data

Nominal
Sprinkler
K Factor
Type
US Metric
Pendent 0.70
orifice with ¾" 14.0 200.0
NPT (R¾)
Note: This product has been tested and listed for storage applications
to qualify its use in lieu of 5.6K or 8.0K Factor sprinklers for the
protection of high-piled storage

Product Description

The Reliable Model G VELO sprinkler is a Very Extra
Large Orifice pendent sprinkler that has been designed
to control high challenge fires in both palletized and rack
storage occupancies utilizing lower water pressures. The
Model G VELO pendent utilizes a center strut solder in
compression fusible element.
The Reliable Automatic Sprinkler Co., Inc., 103 Fairview Park Drive, Elmsford, New York 10523
Sprinkler Identification
Sprinkler
Number (SIN)
Height
3.10"
R4613
(79mm)
Model G VELO Pendent
Very Extra Large Orifice Sprinkler
It has been proven in UL and FM full-scale fire testing
and complies with all applicable mechanical and hydrau-
2
lic requirements of the latest sprinkler standards.
This product is intended for use as a standard response
standard spray sprinkler in hydraulically designed systems
with a minimum pressure of 7 psi (0,5 bar) in accordance
with the area/density curves of NFPA 13*.

Design Criteria

The following criteria apply when designing an automatic
sprinkler system utilizing the Model G VELO sprinkler for
NFPA 13* applications.
• Sprinkler spacing shall be a minimum of 6 ft. (1.8m).
• Minimum design pressure 7 psi (0,5 bar).
• Factory Mutual (FM) Approval for Model G VELO sprin-
kler allows installation into drops or branch line fittings.
• Factory Mutual (FM) Loss Prevention Data Sheets con-
tain requirements which differ from NFPA. The Model G
VELO is Approved by Factory Mutual installations gov-
erned by Data Sheets 8-9 and 2-0.
Note: The Model G VELO sprinkler is not a "Large Drop"
or "ESFR sprinkler".

Temperature Ratings

Sprinkler
Classification
Rating
°F
Ordinary 165
Intermediate 212
High 286
* For sprinkler standards prior to 1999 edition of NFPA 13 use NFPA
standards 231, 231C, 231D & 231F.
Bulletin 146
Maximum Ceiling
Temperature
°C °F °C
74 100 38
100 150 66
141 225 107
H
Rev.
Frame
Color
Uncolored
White
Blue