FIRE PROTECTION PRODUCTS & EQUIPMENT
TECHNICAL DATA BOOK UPDATE

Date: February 15, 2001
To: Technical Data Book Holders
From: R. S. Wilkins, Manager Technical Services
Subject: Distribution No. 2001-A

Enclosed are the following new and revised Technical Data Sheets to be placed in your Technical
Data Book.

TABLE OF CONTENTS

Table of Contents (2-01). (Replaces Table of Contents presently in Technical Data Book.)

SECTION 5

TD596T (2-01). K=25.2, Model EC-25 Extended Coverage Area/Density Upright Sprinkler. TD596T describes new product. (Place the 2-01 issue of TD596T behind TD596A in the Technical Data Book.)

TD598M (2-01). K=16.8, Model ESFR-17 Early Suppression Fast Response (ESFR) Pendent Sprinkler. TD598M describes new product. (Place the 2-01 issue of TD598M behind TD598 presently in the Technical Data Book.)

PRODUCTS NO LONGER OFFERED FOR SALE

The following Technical Data Sheets are to be removed from your Technical Data Book.

TD360. 2-1/2 Inch, Model F570 & F571 Pressure Control Valves.
TD370. 2-1/2 Inch, Model F575 & F576 Pressure Reducing Valves.
TD560. Model F927 On-Off Pendent Sprinkler.