These calculators and conversion tools are intended solely for general information and educational purposes, and are provided to help inexperienced contractors in the HVAC field …
Use this chart to find the correct orifice size to make sure the appliance burns the new gas type efficiently and safely. An orifice controls the flow of gas into a gas burner, directly affecting …
natural gas orifice chart flow in c. f. h. of 0.60 spec. grav. gas diameter gas pressure "w.c. ... gas orifice chart ... drill diameter diameter gas pressure "w.c. size (inches) (mm) 2.0 3.0 4.0- 5.0 …
Natural Gas at 3.5" W.C., Propane (LP) Gas at 11.0" ... SIZE DIAMETER (INCHES) NAT. GAS (BTU/HR.) DRILL SIZE DIAMETER (INCHES) LP GAS (BTU/HR.) 56 0.0465 5,359 70 0.0280 …
Low Pressure Chart GAS USE IN BTUS PER HOUR AGAINST A GIVEN ORIFICE SIZE (DRILL SIZE) DRILL SIZE Decimal Equivalent Natural Gas Natural Gas LP Gas 4" WC 7"WC 11" WC …