Oil Train

Per NFPA, IRI & FM Standards

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- - - - - Dashed lines indicate field installed piping and equipment.
______ Solid lines indicate factory installed piping and equipment.

1. Oil Burner Flex Hose - 321 stainless steel construction, braided

2. Gauge Shutoff Valves - 1/4" N.P.T. needle valve

3. Pressure Gauge - Wika 4" dial, stainless steel case

4. Globe Valve - Milwaukee, 300#, with replaceable seat and disc

5. Check Valve - Milwaukee 300#

6. Oil Safety Shutoff Valve, 2 way - ASCO General Controls, normally closed, with proof of closure switch

7. Oil Safety Shutoff Valve, 3 way - ASCO General Controls, normally closed, with proof of closure switch

8. Gate Valve - Milwaukee, 300#, with replaceable gate

9. Oil Flow Control Valve - Maxon, characterizable (12 points)

10 and 11 Required for Preheated Oil

10. Thermometer - Weksler, 3" dial, all stainless steel construction

11. High & Low Oil Temperature Switch - Burling, with visible set point indication

12. Low Oil Pressure Switch - Mercoid, with visible set point indication

13. Pressure Gauge - Wika 4" dial, stainless steel case

14. Strainer - Mueller, with 30 mesh screen

15 and 16 Optional Equipment

15. Gate Valve

16. Fusible Link

Options

01 = Fusible Link and Gate Valve, Items 14 and 15, shiped loose for field installation. (The fusible link is an FM requirement. It is not required by NFPA 8501 or IRI)

02 = Replace items 6 & 7 with two Maxon safety shutoff valves and an ASCO oil return line shutoff valve.

03 = Oil Gun Scavenger Pump for light oil. After a burner shut down, the scavenger pump evacuates the oil from he oil gun and pumps it into the oil return line.

NEMA 4 - Changes items 3, 6, 7, 11, 12 & 13 to weather proof (NEMA 4)

Specifications for Oil Train Piping & Fittings

Schedule 80 pipe with 300# malleable iron threaded fittings

Oil Supply Pressure

To inlet of oil train
150 psig, for units up to 120mm Btu/hr heat input
200 psig, for units with heat inputs greater than 120mm Btu/hr

Low Pressure Units
If the available oil pressure is lower than listed above, enter (S) in position 13 of the burner model number and note the oil pressure on the burner package specification sheet.

Notes

The oil flow control valve, Item 9, will be an electric or pneumatic positioning type if the combustion control selected is one of the following:
NON Standard Parallel Positioning System
Full Metering System

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