EN Catalog 2021-22 - Catalog - Page 136
WARDEN® AST OVERFILL
PREVENTION VALVE
The EBW Warden® is designed to provide a positive shut-off
during a pressurised fill delivery on an aboveground storage
tank. It eliminates spills and overfills, avoiding costly cleanup
expenses and ground contamination. The Warden® is fully
adjustable to provide shut-off in various height and capacity
aboveground tanks. It is designed to fit into a 4" fill riser,
making installation on new and existing locations simple and
quick. Designed with inverted floats for use in small or large
rectangular tanks. Requires 4" minimum ullage.
Note: The Warden® is recommended for use with clean product only.
Contaminated product may cause erratic operation or valve failure.
HIGHLIGHTS
•
Cylindrical float design eliminates interference with tank
walls and cross braces.
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6.9 bar working pressure rating.
•
Simply thread onto a 4" riser pipe to install. Length of
upper tube determines shut-off point.
Flow rate 757 L/min at 1.38 bar.
No minimum flow rate.
Ships complete with upper nipple and tight fill adapter with
crossbar to prevent open fills.
696 mm
WARDEN®
SPECIFICATIONS
Materials
• Valve body: aluminium 356-T6.
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Poppet: aluminium 356-T6.
Shaft: stainless steel.
Float: high density polyethylene.
Nipple: epoxy coated black iron pipe.
ORDERING INFORMATION
136
Weight
Model
Description
Lbs.
Kg
70942001
Warden®, 4" overfill with inverted floats
12.5
5.67
77421220
2" dust cap
1.25
0.57
