Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 399

(60 cm) from any building opening. Every fill pipe terminal shall be
equipped with a tight cover.
2. A return line from a burner or pump to a supply tank shall enter
through the top of the tank.
3. An auxiliary tank installed in the supply between a burner and its main
supply tank shall be filled by pumping from the storage tanks.
4. All piping, except the burner supply line from a tank having a capacity
not over two thousand liters (2,000 ℓ) and the cross connection
between two such tanks having an aggregate capacity of two
thousand liters (2,000 ℓ) or less, shall be connected into the top of the
supply tank.
5. The burner supply connection to the tanks or tanks having a capacity
of more than two thousand liters (2,000 ℓ) shall be connected to the
top of the tank. In commercial and industrial installations for numbers
5&6 oil, the burner supply connection may be below the liquid level
but each such connection shall be provided with an approved valve.
6. Pressure feed from tanks is prohibited.
7. All tanks in which a constant oil level is not maintained by an
automatic pump shall be equipped with an approved method of
determining the oil level.
D. Pumps, Piping and Valves
1. An oil pump, not part of an approved burner, shall be of a positive
displacement type, which automatically shuts off the oil supply when
the oil pump is stopped.
2. All piping shall be standard full weight wrought iron, steel or brass pipe
with standard fittings or brass or copper tubing fittings of an approved
type, except that approved flexible metal hose, may be used for
reducing the effect of jarring and vibration or where rigid connections
are impractical. Cast iron fittings shall not be used.
3. Aluminum tubing shall not be used between fuel oil tank and the
burner unit.
4. Pipes used in the installation of all burners and appliances other than
conversion range oil burner shall not be smaller than ninety-five
millimeters (95 mm), iron pipe size on ninety-five millimeters (95 mm)
outside diameter tubing.
5. Piping between conversion range burners and tanks shall be standard
steel, wrought iron, or brass pipe not smaller than six and four tenths
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