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18 Cards in this Set
- Front
- Back
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Maximum gas pressure piped to a residential home |
2 PSI |
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Maximum gas pressure pipe to industrial building |
65 PSI natural gas 20 psi propane |
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In a residential application using propane propane vapor pressure in piping or tubing system between the first and second stage regulator shall not exceed |
10 PSIG |
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For applications using propane a line pressure regulator installed within a residential dwelling shall not be located more than how many feet from the point where the Propane Supply first enters the dwelling |
3 feet |
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Minimum clearance between a pressure regulator and the moisture exhaust duct |
3 feet |
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Can a pressure regulator be bypassed |
No |
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When do you require a positive shut off type line pressure regulator |
When the inlet supply pressure to the regulator exceeds 0.5 PSIG |
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What two things must a line pressure regulator have |
Manual shut-off valve installed Upstream of the regulator Either a line relief device or an overpressure protection device |
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Where can pressure regulators not be installed |
Where it is inaccessible In a concealed location where could reasonably expected to be subject to physical or chemical damage |
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How shall propane Regulators be secured |
Firmly secured to The Container valve, or regulator bracket |
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How many stages shall be utilized on all permanent propane |
Minimum 2 |
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How should a regulator that is installed Outdoors or in an unheated area be positioned |
So that the Bonnet vent opening discharges vertically downward |
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A propane regulator installed with a leak limiting device or vent limiting memes shall be installed in what kind of space only |
Ventilated |
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Discharge settings for Relief valves installed in conjunction with line pressure regulators |
Not less than 2 times and not more than three times the delivery pressure on systems operating up to 5 PSIG |
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For natural gas applications when a diaphragm valve or combination control is installed on an appliance and using a gas lighter than air how may it be vented |
It may be vented into the appliance combustion chamber adjacent to the continuous pilot |
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Minimum size of of piping attached to the internal relief or gas over pressure relief valve |
At least equal to the nominal pipe size of the vent Outlet of the valve or regulator |
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The outdoor vent termination of regulators and line relief devices shall be equipped with what to prevent water, insects, or foreign material |
A Screen |
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Clearance of discharge from a regulator relief device from a mechanical air intake |
10 ft |
