Page 48 - Leo International Catalog

TEST & DRAIN VALVE

AIR GAUGES

Part #PR212
LVE #200lb

#300 lb
AIN VA

TEST & DR

Part #TDsize
Sizes: 1”, 1 1/4", 1 1/2", 2”

• The nominal diameter of Test and Drain
Valve should not be less than 1”(25 mm).
• The “K” orifice value of the smallest C
sprinkler and the Test and Drain Valve in
VALVES the system should be equal.
• The installation of Test and Drain Valve
should be done to easy attainable point.
• The water temperature in the wet systems
should not decrease below +4 °C. H
• All the pipes in the system should be done
“Flushing” before the installation of
the valve. D G
• The drain of the system should be given
to the outer side or anywhere with another
line as it will not occur harmful consquences.
LVE • By turning the valve handle, the adjustment L
can be done in 3 positions:
AIN VA • Off Position NORMAL DIAMETER DN 30 psi (20,7 bar) 40-50

PRESSURE
• Test Position
• Drain position
25-32
TEST & DR VALUE DIMENSIONS G NPT 1”-1 1/4” NPT 1 1/2”-2 ”

L
133
173
156
126
C
H
60
D 65 84
92
WEIGHT KG 1.4/1.3 3.5/3

LEO INTERNATIONAL, INC. 471 Sutter Avenue Tel: 718-290-8005
48
www.leointernational.com Brooklyn, NY 11207 Fax: 718-290-8046