Specifications

Armstrong International
IOM-706
Flo-Direct Water Heater
Page 9 of 45
Specifications — Storage Tank
Storage Tank
Design standard ASTM D49097-00
Maximum pressure Atmospheric
Vacuum None
Maximum temperature 180 °F (82.2 °C)
Specific gravity 1.2
Seismic code/design None
Wind load 0 mph/kph
Immersion heater port 2" NPT
Sight glass port 1" NPT
Insulation thickness 2" (50 mm)
Component Material
Structural layer Fiber-reinforced plastic
Structural and liner resin Derakane
TM
441-400
Exterior layer resin Isophthalic polyester
Tank finish Gel coat with UV inhibitor
Color Gray (AT071)
Tank fittings Fiber-reinforced plastic
Vent Fiber-reinforced plastic
Manhole and cover Fiber-reinforced plastic
Manhole cover bolts Stainless steel
Manhole gasket EPDM
Hold down and lifting lugs Powder-coated carbon steel
Model
Nominal Storage
Volume
No. Inlet
Connections
Piping Connections
Height Diameter
Weight
(Empty)
Inlet Outlet
Gal m
3
in. mm in. mm in. mm in. mm lb kg
RST-1001 1000 3.785 1 2-1/2 NPT 65 2 NPT 50 96 2442 65 1651 1200 544
RST-3001 3000 11.36 1 3 NPT 80 3 Flange 80 148 3759 87 2210 2000 907
RST-5001 5000 18.93 1 4 Flange 100 4 Flange 100 152 3861 113 2870 2600 1179
RST-5002 5000 18.93 2 4 Flange 100 4 Flange 100 152 3861 113 2870 2600 1179
Materials of Construction
General Specifications
Specifications by Model