The proven
solution
to protect FIRE SUPPRESSION ENGINEERED SYSTEMS
Fire Suppression Engineered Systems you and your
Safety Hi-Tech offers the largest range of UL listed clean agent fire-extin-
property.
guishing systems in the market. By choosing from four different valve
styles and cylinders ranging from 5 to 240 liters, Safety Hi-Tech is able to
provide a complete range of gaseous fire suppression options to meet
your needs.
Our seamless cylinders range from 5 to 120 liters, and are super-pressu-
rized to 42 bar (600psi).
These 42 bar cylinder assemblies are the preferred choice for systems
with long pipe runs or retrofitting existing Halon 1301 systems. The working
pressure of the 142, 175 and 240 liters welded cylinders is 25 bar (360
psi), providing lower cost options for new systems.
The software used for engineered system design has been validated
by UL.
NAF S 227 engineered systems have been tested according to MSC/Circ. 848
and MSC/Circ. 1267 and can be used to protect machinery spaces and cargo
pump rooms on ships.
NAF®, NAF S 227 ® and SAFETY HI- TECH ® are trademarks of Safety Hi-Tech
UL Listing Mark and UL Recognized Component Mark are registered trademarks of
Underwriters Laboratories Inc.
0575
European Patent n. EP 630278, United States Patent No. 6,402,975 MED-B-5573 MED-D-1258
Safety Hi - Tech srl Phone: ++39 0863.19407.20
via Cavour, 96 Fax: ++39 0863.19407.24
67051 Avezzano (AQ), Italy Website: www.safetyhitech.com
customer.service@safetyhitech.com
THE LARGEST RANGE OF UL LISTED CLEAN AGENTS FIRE-EXTINGUISHING SYSTEMS
SAFETY HI - TECH is a customer-focused supplier of advanced solutions SAFETY HI - TECH has a network of worldwide distributors with UL appro-
for the Fire-Fighting sector which serves customers and markets through ved Alternate Manufacturing Locations (AML). Our distributors include large
a network of integrated sales, production, research and technical services.
companies such as The Linde Group/BOCwitch designs,assembles, fills
Safety Hi-Tech‘s experts sit on the Technical Committee of NFPA 2001 and distributes NAF S 125 Fire Suppression Systems.
Standard on Clean Agent Extinguishing Systems and other international To check the current list of UL approved AMLs please search the UL Online
regulatory technical committees, such as ISO, UNI, CEN and IMO. Certifications Directory (www.UL.com) and enter “NAF” keyword.
Fire Suppression Systems
NAF S 227 Physical Properties
NAF S 227 is approved by the United States Environmental Protection
Agency (EPA) for use as Halon 1301 replacement in normally occupied Physical Properties NAF S 227 HALON 1301
areas. It is a clean and non-conductive extinguishing media and suitable for Molecular Weight 170.03 148.93
Boiling Point @ 760 mm Hg, °C - 16.4 -57.75
Class A, B and C fires. Its formulation includes HFC-227ea and a patented Critical Temperature, °C 101.7 67
additive that reduces the levels of decomposition by-products normally Critical Pressure, kPa 2912 3690
generated by halocarbons during extinguishment (inter alia US Patent No. Critical Density, kg/m3 621 745
Vapor Pressure @ 20 °C, bar 4.57 13.72
6,402,975 and EU Patent No. 630,278).
Freezing Point, °C - 131.1 -168.0
Viscosity of Liquid @ 25 °C, centipoises 0.184 0.159
Underwriters Laboratories, Solubility of Water in Agent @ 21 °C, % by weight 0.06 0.0095
Inc. (UL) also recognizes Specific Heat of Liquid @ 25 °C, kJ/kg °C 1.184 0.87
Heat of Vaporization @ Boiling Point at 25°C, kJ/kg 132.6 118.8
NAF S 227 fire suppressant
and its production is subject
to UL inspections and com-
NAF S 227 - Safe Human Exposure Time Limits
plies with the quality require-
Concentration Safe Human Exposure
ments specified in the by volume Time (minutes)
standards. (% v/v) NAF S 227
7.0 5.00
7.5 5.00
8.0 5.00
8.5 5.00
9.0 5.00
9.5 5.00
10.0 5.00
10.5 5.00
11.0 1.13
11.5 0.60
12.0 0.49
