Gas Pilot 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. Pilot Gas Flex Hose - 321 stainless steel construction, braided
2. Pilot Gas Shutoff Valve - Apollo, 3 piece full port, ball valve
3. Leak Test Valves - 1/4" N.P.T. needle valves, plugged with 1/4" pipe plug
4. Pilot Gas Shutoff Valves - ASCO, normally open
6. Pressure Gauge - Weksler, 2 1/2" dial
7. Gauge Shutoff Valve - 1/4" N.P.T. needle valve
8. Pilot Gas Pressure Regulator - Fisher
9. Strainer - Mueller, with 30 mesh screen
10. Pilot Gas Train Shutoff Valve - Apollo, 3 piece, full port, ball valve
11. Ignition Transformer - 10,000 VAC output
NEMA 4 - Changes items 11 and 12 to weatherproof (NEMA 4)
Specifications for Gas Pilot Train Piping & Fittings
Schedule 80 pipe with 150# malleable iron threaded fittings.
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