3
For Ratings at the following temperatures, multiply the 150° rating by the multiplier of the desired temperature.
Temperature – Multiplier
150° - 1.0
140° - .82
No. 9A Base-Ray
®
I=B=R Ratings
– Steam and Hot Water (
2000
LBS/HR Flow Rate **)
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.
5
I=B=R Ratings are determined from tests made
in accordance with the I=B=R Testing and Rating
Code for Baseboard Type of Radiation, including
an allowance of 15% for heating effect permitted
by the Code.
Ratings based on active length. Active length
same as total length.
**The Hot Water Ratings at 2000 lb. Flow Rate are limited to installations where the water
À
ow rate through the Base-Ray is greater than 2000 lbs. per hour (four gallons per minute).
Where the water
À
ow rate through the Base-Ray is not known, the rating at the standard
À
ow
rate of 500 lbs. per hour must be used.
*Add ½" to length for each bushing. Add 5" to length for each valve enclosure.
***Based on ¾" pipe connections.
9A Base-Ray Water Content - 2.5 lbs. or .3 gal. per linear ft.
130° - .68
120° - .54
110° - .42
