The Reliable Automatic Sprinkler Co., Inc.
(800) 431-1588
Sales Offices
(800) 848-6051
Sales Fax
(914) 829-2042
Corporate Offices
www.reliablesprinkler.com
Internet Address
Manufactured by
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Revision lines indicate updated or new data.
The equipment presented in this bulletin is to be installed in accordance with the latest published Standards of the National Fire Protection Association, Factory
Mutual Research Corporation, or other similar organizations and also with the provisions of governmental codes or ordinances whenever applicable. Products
manufactured and distributed by Reliable have been protecting life and property for over 90 years, and are installed and serviced by the most highly qualified
and reputable sprinkler contractors located throughout the United States, Canada and foreign countries.
EG. Printed in U.S.A.
12 / 13
P/N 9999970347
The tables below represent the minimum number of sprinklers at a minimum start pressure as per FM DS 8-9
Table 1 – Ceiling – Level protection for Solid Piled, Palletized, Shelf or Bin Box storage arrangements
Ceiling Height
Class 1, 2 & 3
Class 4 and
Cartoned
Unexpanded
Plastics
Cartoned Expanded
Plastics
Uncartoned
Unexpanded
Plastics
Uncartoned
Expanded Plastics
10’ (3.0)
N/A
N/A
6 @ 20 (1.4)
10 @ 7 (0.5)
See Note 4
10 @ 7 (0.5)
See Note 4
15’ (4.5)
N/A
6 @ 20 (1.4)
6 @ 20 (1.4)
12 @ 7 (0.5)
See Note 4
8 @ 20 (1.4)
See Note 4
20’ (6.0)
6 @ 20 (1.4)
6 @ 20 (1.4)
6 @ 20 (1.4)
8 @ 20 (1.4)
See Note 4
8 @ 40 (2.8)
See Note 4
25’ (7.5)
6 @ 20 (1.4)
6 @ 20 (1.4)
6 @ 20 (1.4)
8 @ 40 (2.8)
See Note 4
12 @ 40 (2.8)
See Note 4
30’ (9.0)
6 @ 25 (1.7)
6 @ 25 (1.7)
10 @ 40 (2.8)
See Note 4
10 @ 40 (2.8)
See Note 4
N/A
35’ (10.7)
See Note 3
8 @ 40 (2.8)
8 @ 40 (2.8)
N/A
N/A
N/A
Table 2 – Ceiling – Level protection for Open Frame Rack Storage Arrangements
Ceiling Height
Class 1, 2 & 3
Class 4 and
Cartoned
Unexpanded
Plastics
Cartoned Expanded
Plastics
Uncartoned
Unexpanded
Plastics
Uncartoned
Expanded Plastics
15’ (4.5)
N/A
6 @ 25 (1.7)
6 @ 25 (1.7)
12 @40 (2.8)
See Note 4
12 @ 40 (2.8)
See Note 4
20’ (6.0)
6 @ 20 (1.4)
6 @ 25 (1.7)
6 @ 25 (1.7)
6 @ 90 (6.2)
N/A
25’ (7.5)
6 @ 20 (1.4)
6 @ 25 (1.7)
6 @ 25 (1.7)
N/A
N/A
30’ (9.0)
6 @ 30 (2.1)
6 @ 30 (2.1)
N/A
N/A
N/A
35’ (10.7)
See Note 3
8 @ 40 (2.8)
8 @ 40 (2.8)
N/A
N/A
N/A
Notes:
1. See FM Data Sheet 8-1 for definitions of comodity classifications
2. Per Data Sheet 2-0 Section 2.2.3.4.2 the N252EC defaults to extended coverage and the maximum vertical distance below
ceiling is 12” to center of thermal element.
3. For ceiling heights above 30’, maximum sprinkler spacing is 12’ x 12’.
4. 500 gpm hose stream required.
