Sizing pipes for natural gas – pressures above 5 psi (35 kPa) Sizing low pressure natural gas pipe lines – imperial units. . 1 in water = 248.8 N/m2 (Pa) = 0.0361 lb/in2 (psi) = 25.4 kg/m2 = 0.0739 in mercury; 1 psi (lb/in2) . Natural. Less than 2 psi. TABLE C402.4(2). SCHEDULE 40 METALLIC PIPE. Gas. Inlet Pressure. Pressure Drop. Specific Gravity. 0.5 in. w.c 0.60. Nominal. 1a. 31. GAS PIPING INSTALLATIONS. TABLE 402.4(1). SCHEDULE 40 METALLIC PIPE. Gas. Natural. Inlet Pressure. Less than 2 psi. Pressure Drop. 0.3 in. w.c Natural Gas Sizing Basics and Examples . Natural Gas System Overview. Regulator. Meter. Piping. RTU . 7 Inches of Water Column (WC) = 1/4 PSI. 10 ก.พ. 2553 – 60 psi +-. PRV. PRV. 1/2 psi +-. Pumping Station. Well. Natural Gas Medium . Cast Iron Not recommended/allowed on fuel gas piping systems. mining the pipe sizing for a fuel gas piping system is to make sure that CAPACITY OF NATURAL GAS PIPING, HIGH PRESSURE (1.5 psi and above). 8 . 1 Cubic Foot = 1000 BTU. Gas – Natural. Inlet Pressure – 2.0 psi. Pressure Drop – 1.0 psi. PIPE. ACTUAL. LENGTH IN FEET. Pipe Size. DESIGNATION. PIPE ID. we have a customer that has a 2 diameter sch 40 pipe at 10 psi, it runs well over 100′ with lots of elbows, etc. then it is stepped down to 1-1/4 .

Natural. Less than 2 psi. TABLE C402.4(2). SCHEDULE 40 METALLIC PIPE. Gas. Inlet Pressure. Pressure Drop. Specific Gravity. 0.5 in. w.c 0.60. Nominal. 1a. adding to existing piping systems, sizes shall be maintained in accordance with . pipe sizing, assuming that all appliances could be operating at full capacity Gas. Natural. Inlet Pressure. Less than 2 psi. Pressure Drop. 0.3 in. w.c Specific . Maximum Capacity of Cubic Feet of Natural Gas per Hour of Internal Pipe Size. Specific Gravity . Pressure Drop – 1.0 psi. PIPE. ACTUAL. LENGTH IN FEET. Pipe Size . MAXIMUM CAPACITY in CUBIC FEET of GAS per HOUR. 1/2. SDR 9.33. Sizing low pressure natural gas pipe lines – imperial units. . Natural Gas Pipe Line Calculator App . 1 Btu/h = 0.293 W; 1 lb = 0.4536 kg; 1 ft (foot) = 0.3048 m; 1 in water = 248.8 N/m2 (Pa) = 0.0361 lb/in2 (psi) = 25.4 kg/m2 = 0.0739 in . Sizing pipes for natural gas – pressures above 5 psi (35 kPa) . Natural Gas Pipe Capacity Diagram – 10% Pressure Drop. natural gas pipe capacity diagram . NATURAL GAS TracPipe CounterStrike CSST Line Sizing . 0.60 Inlet Pressure: Less than 2 psi Pressure Drop: 0.5 in. wc. NOMINAL. PIPE SIZE (IN). 1/2″. 3/4″. Natural Gas Sizing Basics and Examples . 1. Pipe size and model number. 2. Screwed or Flanged connection. 3. Mounting position . 14 Inches WC = 1/2 PSI. USING CPC PIPE SIZING TABLE (NATURAL GAS) . Gas piping systems shall be of such size and so installed as to provide a supply of . (2) Locate that total length in the left-hand column of sizing table*, or the next longer distance where. Natural gas piping systems in residential single-family and multi-family buildings . delivery pressure, helping reduce the size and cost of the natural gas piping system in new . size. The use of 2 PSIG will allow for reduced pipe-sizing, resulting in material and labor Header and branch line arrangement (2 PSI section) . common method for sizing a natural gas piping system for any residential or . obtained from the pipe sizing shown in Table 2. Longest Length . (B) The pipe size of each section of branch piping INLET PRESSURE: LESS THAN 2 PSI.

Sizing pipes for natural gas – pressures above 5 psi (35 kPa) . Natural Gas Pipe Capacity Diagram – 10% Pressure Drop. natural gas pipe capacity diagram . Sizing low pressure natural gas pipe lines – imperial units. . 5, 5.047, 42945, 30367, 21473, 15183, 11088, 7841 . Natural Gas Pipe Line Calculator App . 1 in water = 248.8 N/m2 (Pa) = 0.0361 lb/in2 (psi) = 25.4 kg/m2 = 0.0739 in mercury . Pipe sizing tables or sizing equations in accordance with Gas. Natural. Inlet Pressure. Less than 2 psi. Pressure Drop. 0.3 in. w.c Specific Gravity. 0.60. PIPE SIZE (inch). Nominal. 1/2. 3/4. 1. 11/4. 11/2. 2. 21/2. 3. 4. 5. 6. 8. 10. 12. Actual ID. Natural. Less than 2 psi. TABLE C402.4(2). SCHEDULE 40 METALLIC PIPE. Gas. Inlet Pressure. Pressure Drop. Specific Gravity. 0.5 in. w.c 0.60. Nominal. 1a. Natural Gas System Overview. Regulator. Meter. Piping. RTU . Orifice size and valve angle. 5. Inlet pressure (Also Max. and Min. if available). 6. Outlet pressure setting. 7. Capacity . 7 Inches of Water Column (WC) = 1/4 PSI. ▫ 14 Inches WC . 10 ก.พ. 2553 – Per cu. foot of Natural Gas = 10 cubic feet of air. Per 100 BTU’s = 1 . (See sizing charts on previous pages for pipe sizing for 5 PSI gas.) Nat. 1 Cubic Foot = 1000 BTU. Gas – Natural. Inlet Pressure – 2.0 psi. Pressure Drop – 1.0 psi. PIPE. ACTUAL. LENGTH IN FEET. Pipe Size. DESIGNATION. PIPE ID. *See Pipe Specific Tables on pages 4, 5, and 6. GAS PIPE LINE CALCULATION SIZING. USING CPC PIPE SIZING TABLE (NATURAL GAS). This handout will . or greater pressure drops, the size of each gas piping system should be . A.2.2 Low pressure natural gas tables.Capacities for gas . square inch (psi) (3.5 kPa) and pressure drops greater than. 0.5-inch 5. For condition of minimum resistance where the centerline length of each miter is between d and 21/2d. 6. For pipe . common method for sizing a natural gas piping system for any . (5) Using this same row, proceed in a similar manner . INLET PRESSURE: LESS THAN 2 PSI.

Natural. Less than 2 psi. TABLE C402.4(2). SCHEDULE 40 METALLIC PIPE. Gas. Inlet Pressure. Pressure Drop. Specific Gravity. 0.5 in. w.c 0.60. Nominal. 1a. Maximum Capacity of Cubic Feet of Natural Gas per Hour of Internal Pipe Size. Specific Gravity of 0.60. 1 Cubic Foot = 1000 BTU. Gas – Natural. Inlet Pressure – 2.0 psi. Pressure Drop – 1.0 psi. PIPE. ACTUAL. LENGTH IN FEET. Pipe Size . 2. SDR 11. 1 943″. 31560 21691 17419 14908 13213 11972 11014 10246. 9614. Sizing low pressure natural gas pipe lines – imperial units. . For natural gas the nominal BTU/ft3 varies from about 900 to 1100 BTU/ft3. . Natural Gas Pipe Line Calculator App . 1 Btu/h = 0.293 W; 1 lb = 0.4536 kg; 1 ft (foot) = 0.3048 m; 1 in water = 248.8 N/m2 (Pa) = 0.0361 lb/in2 (psi) = 25.4 kg/m2 = 0.0739 in mercury . adding to existing piping systems, sizes shall be maintained in . pipe sizing, assuming that all appliances could be operating at full capacity . INPUT BTU/H. (Approx.) Gas. Natural. Inlet Pressure. Less than 2 psi. Pressure Drop. 0.3 in. w.c NATURAL GAS TracPipe CounterStrike CSST Line Sizing . CAPACITY IN CUBIC FEET OF GAS PER HOUR (APPROX 1000 BTU PER CU FT). . 0.60 Inlet Pressure: Less than 2 psi Pressure Drop: 0.5 in. wc. NOMINAL. PIPE SIZE (IN). 1/2″. USING CPC PIPE SIZING TABLE (NATURAL GAS) . To obtain the cubic feet per hour of gas required, divide the input of the appliances by the average Btu . (2) Locate that total length in the left-hand column of sizing table*, or the next longer . common method for sizing a natural gas piping system for any residential or 55. 109. 68. 32. 45. 130. 259. 389. 32. 59. 23. 36. 32. 36. 73. 36. 2. For SI units: 1 Btu per hour = .0293 W . GAS: NATURAL. INLET PRESSURE: LESS THAN 2 PSI. Natural Gas Sizing Basics and Examples. ▫ Lessons . How to Order. 1. Pipe size and model number. 2. Screwed or Flanged connection. 3. . 14 Inches WC = 1/2 PSI . ADDING – (BTU’s per hour input total for each category that applies). Natural gas piping systems in residential single-family and multi-family buildings . delivery pressure, helping reduce the size and cost of the natural gas piping system in new . size. The use of 2 PSIG will allow for reduced pipe-sizing, resulting in material and labor Header and branch line arrangement (2 PSI section) . or greater pressure drops, the size of each gas piping system should be . the total Btu input of all equipment by the average Btu heat- ing value . A.2.4 Natural gas specific gravity. . The sizing of the 2 psi (13.8 kPa) section (from the meter.

Natural. Less than 2 psi. TABLE C402.4(2). SCHEDULE 40 METALLIC PIPE. Gas. Inlet Pressure. Pressure Drop. Specific Gravity. 0.5 in. w.c 0.60. Nominal. 1a. Calculate the capacities and dimensions of natural gas pipe lines. . The capacity of a low pressure natural gas (less than 1 psi, 6.9 kPa) pipe line with a small pressure drop can be . k = [((0.622 in))5/(1 + 3.6 / (0.622 in) + 0.03 (0.622 in))]1/2. Sizing low pressure natural gas pipe lines – imperial units. . Natural Gas Pipe Line Calculator App . 1 Btu/h = 0.293 W; 1 lb = 0.4536 kg; 1 ft (foot) = 0.3048 m; 1 in water = 248.8 N/m2 (Pa) = 0.0361 lb/in2 (psi) = 25.4 kg/m2 = 0.0739 in . Gas – Natural. Inlet Pressure – 2.0 psi. Pressure Drop – 1.0 psi. PIPE. ACTUAL. LENGTH IN FEET. Pipe Size. DESIGNATION. PIPE ID. 10. 20. 30. 40. 50 . MAXIMUM CAPACITY in CUBIC FEET of GAS per HOUR. 1/2. SDR 9.33. 0.660″. 1858. USING CPC PIPE SIZING TABLE (NATURAL GAS) . (2) Locate that total length in the left-hand column of sizing table*, or the next longer distance where. Gas Pipe Line Calculation Sizing – For Steel Pipe. Using CPC Pipe Sizing . common method for sizing a natural gas piping system for any . obtained from the pipe sizing shown in Table 2. Longest INLET PRESSURE: LESS THAN 2 PSI. mining the pipe sizing for a fuel gas piping system is to make sure that . the source pressure is 1/2 psi (14-inch w.c.) (3.5 kPa) or less but . A.2.2 Low pressure natural gas tables. this calculation, provided that the appliances have sim-. Natural Gas System Overview. Regulator. Meter. Piping. RTU . 14 Inches WC = 1/2 PSI. ▫ 28 Inches WC = 1 are selected and the proper calculation or sizing. 2, RESIDENTIAL NATURAL GAS LINE SIZER FOR LINES 2″ AND UNDER. 3, 2006 IRC Less than 2 psi — pressure drop 0.5 in — specific gravity 0.60. 4, User data blue cells only calculation results apper in yellow cells. 5. 6, Type of Pipe? 7 15, Length (ft), Capacity in Cubic Feet of Gas Per Hour. 16, 10, 172, 360, 678 .

Natural. Less than 2 psi. TABLE C402.4(2). SCHEDULE 40 METALLIC PIPE. Gas. Inlet Pressure. Pressure Drop. Specific Gravity. 0.5 in. w.c 0.60. Nominal. 1a. adding to existing piping systems, sizes shall be maintained in accordance Gas. Natural. Inlet Pressure. Less than 2 psi. Pressure Drop. 0.3 in. w.c Specific . Gas – Natural. Inlet Pressure – 2.0 psi. Pressure Drop – 1.0 psi. PIPE . MAXIMUM CAPACITY in CUBIC FEET of GAS per HOUR. 1/2. SDR 9.33. 0.660″. 1858 . PIPE. ACTUAL. LENGTH IN FEET. Pipe Size. DESIGNATION. PIPE ID. 10. 20. 30. Sizing low pressure natural gas pipe lines – imperial units. . 1 in water = 248.8 N/m2 (Pa) = 0.0361 lb/in2 (psi) = 25.4 kg/m2 = 0.0739 in mercury; 1 psi (lb/in2) . Sizing pipes for natural gas – pressures above 5 psi (35 kPa) . 1 in water = 248.8 N/m2 (Pa) = 0.0361 lb/in2 (psi) = 25.4 kg/m2 = 0.0739 in mercury; 1 psi (lb/in2) . NATURAL GAS TracPipe CounterStrike CSST Line Sizing. Specific . Specific Gravity 0.60 Inlet Pressure: Less than 2 psi Pressure Drop: 0.5 in. wc. NOMINAL. Natural Gas System Overview. Regulator. Meter. Piping. RTU . How to Order. 1. Pipe size and model number. 2. Screwed or Flanged connection. 3. Mounting position . WC = 1 PSI. ▫ 56 Inches WC = 2 PSI. Gas Pressure Conversion Chart . Natural gas piping systems in residential single-family and multi-family . The use of 2 PSIG will allow for reduced pipe-sizing, resulting in material and labor feet of natural gas per hour for an initial pressure of 2.0 PSI and a natural gas of . mining the pipe sizing for a fuel gas piping system is to make sure that . the source pressure is 1/2 psi (14-inch w.c.) (3.5 kPa) or less but it should be . A.2.2 Low pressure natural gas tables. Capacities for . A.6 Use of sizing charts. A third .

Natural. Less than 2 psi. TABLE C402.4(2). SCHEDULE 40 METALLIC PIPE. Gas . 60. 65. 137. 257. 528. 791. 15,800. 25,600. 52,700. 95,700. 152,000. 70. 60. Sizing pipes for natural gas – pressures above 5 psi (35 kPa) Sizing low pressure natural gas pipe lines – imperial units. . 1/2, 0.622, 120, 85, 60, 42, 31, 22 . 1 Btu/h = 0.293 W; 1 lb = 0.4536 kg; 1 ft (foot) = 0.3048 m; 1 in water = 248.8 N/m2 (Pa) = 0.0361 lb/in2 (psi) = 25.4 kg/m2 = 0.0739 in mercury . Natural Gas System Overview. Regulator. Meter. Piping. RTU distances to reduce pipe sizes. Low press. High press. 900 psi+-. Medium press. 60 psi +-. PRV. The first goal of deter- mining the pipe sizing for a fuel gas piping system is to make . the source pressure is 1/2 psi (14-inch w.c.) (3.5 kPa) or less but it should be verified . A.2.2 Low pressure natural gas tables. Capacities for gas . 60. 16. 12. 9. 7. 9. 12. Nominal pipe size, inches. Inside diameter d, inches,. Schedule 406. or greater pressure drops, the size of each gas piping system should be . square inch (psi) (3.5 kPa) and pressure drops greater than. 0.5-inch w.c. (125 Pa). . 60. 16. 12. 9. 7. 9. 12. Nominal pipe size, inches. Inside diameter d, inches,. Schedule 406 . between gas flow, pipe size and pipe length for natural gas with 0.60 . Gas – Natural. Inlet Pressure – 2.0 psi. Pressure Drop – 1.0 psi. PIPE. ACTUAL. LENGTH IN FEET. Pipe Size. DESIGNATION. PIPE ID. 10. 20. 30. 40. 50. 60. 70. USING CPC PIPE SIZING TABLE (NATURAL GAS). This handout will guide you thru the basic, most common method for sizing a natural gas piping system the length of pipe from the gas meter to the most remote outlet (outlet A) is 60 feet. 10 ก.พ. 2553 – 60 psi +-. PRV. PRV. 1/2 psi +-. Pumping Station. Well. Natural Gas Medium . Convert CFH in Gas pipe sizing tables to CFH for a fuel with a . common method for sizing a natural gas piping system (2) Determine the length of pipe from the gas meter to the most remote outlet (outlet A) is 60 feet.

Sizing pipes for natural gas – pressures above 5 psi (35 kPa) Calculate the capacities and dimensions of natural gas pipe lines. . The capacity of a low pressure natural gas (less than 1 psi, 6.9 kPa) pipe line with a small pressure drop can be . k = [((0.622 in))5/(1 + 3.6 / (0.622 in) + 0.03 (0.622 in))]1/2. Natural. Less than 2 psi. TABLE C402.4(2). SCHEDULE 40 METALLIC PIPE. Gas. Inlet Pressure. Pressure Drop. Specific Gravity. 0.5 in. w.c 0.60. Nominal. 1a. Natural Gas System Overview. Regulator. Meter. Piping. RTU Typically 5psi to 100’s of PSI. Low press. High press. 900 psi +-. Medium press. 60 psi +-. PRV. PRV. 1/2 psi +- . are selected and the proper calculation or sizing chart can be . *See Pipe Specific Tables on pages 4, 5, and 6. GAS PIPE LINE CALCULATION SIZING. USING CPC PIPE SIZING TABLE (NATURAL GAS). This handout will . or greater pressure drops, the size of each gas piping system should be . C-A.2.2 Low pressure natural gas tables. . square inch (psi) (3.5 kPa) and pressure drops greater than . (5) Referring to the appropriate sizing table (based on pip-. The marking shall be spaced at intervals not exceeding 5 feet (1524 mm). . pipe sizing, assuming that all appliances could be operating at full capacity Gas. Natural. Inlet Pressure. Less than 2 psi. Pressure Drop. 0.3 in. w.c Specific . Gas Pipe Line Calculation Sizing – For Steel Pipe. Using CPC Pipe . common method for sizing a natural gas piping system for any residential or . “Figure A” use steps 1 – 5 below) GAS: NATURAL. INLET PRESSURE: LESS THAN 2 PSI. 10 ก.พ. 2553 – Per cu. foot of Natural Gas = 10 cubic feet of air. Per 100 BTU’s = 1 . (See sizing charts on previous pages for pipe sizing for 5 PSI gas.) Nat. 1 Cubic Foot = 1000 BTU. Gas – Natural. Inlet Pressure – 2.0 psi. Pressure Drop – 1.0 psi. PIPE. ACTUAL. LENGTH IN FEET. Pipe Size. DESIGNATION. PIPE ID.

Sizing pipes for natural gas – pressures above 5 psi (35 kPa) . The tables and diagrams below can be used to size natural gas pipes with pressures above 5 psi . Natural. Less than 2 psi. TABLE C402.4(2). SCHEDULE 40 METALLIC PIPE. Gas . PIPE SIZE (inch). 2′), . Capacity in Cubic Feet of Gas Per Hour. 4,020 . 1,800. 3,670. 6,630. 10,700. 22,100. 40,100. 70,000. 63.400. 58.400. 350. 25. 53. 99. such size and so installed as to provide a supply of gas suffi- cient to meet the . High-pressure gas equation [1.5 psi (10.3 kPa) and above]:. (. ) D. Q 25. 46. 95. 143. 275. 439. 776. 1,580. 2,860. 4,640. 9,530. 17,300. 27,400. 900. 11. 24. 45. Specific Gravity of 0.60. 1 Cubic Foot = 1000 BTU. Gas – Natural. Inlet Pressure – 2.0 psi. Pressure Drop – 1.0 psi. PIPE. ACTUAL. LENGTH IN FEET. Pipe Size. Natural Gas System Overview. Regulator. Meter. Piping. RTU Page 25 . to reduce pipe sizes. Low press. High press. 900 psi+-. Medium press. 60 psi +-. the source pressure is 1/2 psi (14-inch w.c.) (3.5 kPa) or less but it should be verified . To determine the size of piping used in a gas piping system, the following D = 25 ft. Key: Manifold. Shut-off valve. Pressure regulator. Gas meter. 2 psig. 10 ก.พ. 2553 – CFH is an industry term used to describe the quantity of gas in . Per cu. foot of Propane = 25 cubic feet of air. Use 1/2 PSI Table to Size Gas Piping to Gas Roof Top Units on a the roof of the “ASPE Industrial Building”. Nat. NATURAL GAS TracPipe CounterStrike CSST Line Sizing . PIPE SIZE . 25. 31. 37. 46. 62. CAPACITY IN CUBIC FEET OF GAS PER HOUR (APPROX 1000 . Specific Gravity 0.60 Inlet Pressure: Less than 2 psi Pressure Drop: 0.5 in. wc. 2 ม.ค. 2556 – Maximum Capacity of Gastite®/FlashShield™ Flexible Gas Piping in Cubic Feet . with a Gas Pressure of 0.5 psi or Less and a Pressure Drop of 0.5″WC . gravity gas). Tubing. Tubing Length (ft). EHD. Size. 5. 10. 15. 20. 25. The more fields you use the more accurate your results. . 1 CF of natural gas = 1000 BTU; 1 CF of LP/propane = 2500 BTU; Minimum Inlet . Pipe Size (Inches).

Natural. Less than 2 psi. TABLE C402.4(2). SCHEDULE 40 METALLIC PIPE. Gas . 247. 466. 957. 1,430. 46,500. 173.000. 275,000. 28,700. 23,000. 30. 95. 199. Sizing pipes for natural gas – pressures above 5 psi (35 kPa) . The tables and diagrams below can be used to size natural gas pipes with pressures above 5 psi . or greater pressure drops, the size of each gas piping system should be determined by . 402.4(30) for corrugated stainless steel tubing and Table. 402.4(32) for . Pressure Drop – 1.0 psi. PIPE. ACTUAL. LENGTH IN FEET. Pipe Size. DESIGNATION . MAXIMUM CAPACITY in CUBIC FEET of GAS per HOUR. 1/2 . 70. 80. 90 100 125 150 175. Pipe Size. DESIGNATION. PIPE ID. 10. 20. 30. 40. 50. 60. 70. Natural Gas Sizing Basics and Examples . Natural Gas System Overview. Regulator. Meter. Piping. RTU . Gas Pressure Conversion Chart Page 30 . such size and so installed as to provide a supply of gas sufficient to meet the maximum . Water heater, automatic storage, 30- to 40-gal. tank. 35,000. Water heater . higher pressure gas piping shall be determined using the longest length of . Gas piping systems shall be of such size and so installed as to provide a supply of gas to meet the maximum demand and supply gas to each appliance inlet at not less than the minimum supply pressure required . Storage 30 to 40 gal. tank. NATURAL GAS TracPipe CounterStrike CSST Line Sizing. Specific Gravity: 0.60 Minimum Inlet Pressure: 6-7 in wc. Pressure Drop: 0.5 in wc. PIPE SIZE. 3/8″. 1/2″ . 30. 27. 58. 143. 244. 460. 723. 1698. 40. 23. 50. 125. 212. 399. 625. 1472. 50. 10 ก.พ. 2553 – How do I Size Gas Piping? . convert to CFH and size the piping based on acceptable pressure 0.5 PSI – 3/4” Pipe @ 200 feet = 30 CFH. 2 ม.ค. 2556 – Maximum Capacity of Gastite®/FlashShield™ Flexible Gas Piping in . gas). Tubing. Tubing Length (ft). EHD. Size. 5. 10. 15. 20. 25. 30. 40. 50.

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