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Rosemount 1495, Installation & Operation Manual

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Summary of Contents for 1495

Page 1: ...ount com Reference Manual 00809 0100 4792 Rev CA August 2010 Rosemount 1495 Orifice Plate 1496 Orifice Flange Union Installation Operation Manual Rosemount 1495 Orifice Plate Rosemount 1496 Orifice Flange Union ...

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Page 3: ...Customer Central 1 800 999 9307 7 00 a m to 7 00 p m CST Technical support quoting and order related questions North American Response Center 1 800 654 7768 24 hours a day Includes Canada Equipment service needs For equipment service or support needs outside the United States contact your local Emerson Process Management representative The products described in this document are NOT designed for n...

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Page 5: ...ice Plate 3 6 1495 Dimensional Drawings 3 8 1495 Weights estimated 3 11 SECTION 4 Hardware Installation for Rosemount 1496 Flange Union 1496 Types 4 1 Safety Messages 4 1 1496 Flange Union Components 4 2 Installation Instructions 4 2 Step 1 Determine the Proper Placement 4 2 Step 2 Determine the Proper Orientation 4 2 Step 3 Weld the Flange Union 4 2 Step 4 Install the Orifice Plate 4 3 1496 Dimen...

Page 6: ...t 2010 Rosemount 1495 1496 TOC 2 APPENDIX B Recommended Installation Requirements Recommended Straight Run Requirements B 1 ISO 5167 2 B 1 AGA Report No 3 B 5 ASME MFC 3M 2004 B 9 Bolt Torque Recommendations B 12 APPENDIX C Calculation Data Sheet ...

Page 7: ... inspection operating limitations and in what location and orientation to install the orifice plate and associated hardware Section 3 Hardware Installation for Rosemount 1495 Orifice Plate explains how to install the Orifice Plate in either existing orifice flanges or with the Rosemount 1495 Orifice Plate Section 4 Hardware Installation for Rosemount 1496 Flange Union explains how to install the 1...

Page 8: ...ll also ask for the process material to which the product was last exposed Rosemount National Response Center representatives will explain the additional information and procedures necessary to return goods exposed to hazardous substances PRODUCT RECYCLING DISPOSAL Recycling of equipment and packaging should be taken into consideration and disposed of in accordance with local and national legislat...

Page 9: ...lation begin with step 1 If the Flange Union is already in place verify that the orifice flange size and rating match the recommended specifications and begin with step 5 1 Determine where the Rosemount 1495 Orifice Plate 1496 Flange Union is to be placed within the piping system 2 Establish the proper orientation as determined by the intended service for the orifice plate 3 Review Appendix B Reco...

Page 10: ...be installed in the proper orientation relative to the pipe and the fluid measured Gas Applications Mount hardware upward to allow moisture to drain out and not fill the impulse piping Slope impulse piping at least one inch per foot 8 centimeters per meter downward from the transmitter toward the process connection Liquid Applications Mount hardware downward to allow the escape of trapped vapor in...

Page 11: ...ement Orient the low side of transmitter to measure downstream of the DP element Temperature taps and thermowells should be located downstream of the DP element Flow Conditioners and Straighteners are always located upstream of the DP element Refer to Appendix B Recommended Installation Requirements The handle of the orifice plate has the word Inlet stamped on the side that faces upstream To corre...

Page 12: ...Reference Manual 00809 0100 4792 Rev CA August 2010 Rosemount 1495 1496 2 4 ...

Page 13: ... estimated page 3 11 1495 TYPES This section provides hardware installation instructions for the Rosemount 1495 Orifice Plate Installation procedures are similar for all services Service specific instructions are provided where necessary Otherwise all instructions in this section apply to all services For more information on 1495 Orifice Plate types see page A 6 Refer to transmitter installation i...

Page 14: ...Reference Manual 00809 0100 4792 Rev CA August 2010 Rosemount 1495 1496 3 2 Figure 3 2 Conical Entrance Bore Option Code TC Figure 3 3 Eccentric Bore Option Code TE ...

Page 15: ...Reference Manual 00809 0100 4792 Rev CA August 2010 3 3 Rosemount 1495 1496 Figure 3 4 Segmental Bore Option Code TS Figure 3 5 Quadrant Edged Bore Option Code TQ ...

Page 16: ...Reference Manual 00809 0100 4792 Rev CA August 2010 Rosemount 1495 1496 3 4 Figure 3 6 Restriction Orifice Beveled Bore Option Code RO ...

Page 17: ...mended Installation Requirements Step 2 Determine the Proper Orientation To determine the proper orientation see Installation Configuration on page 2 2 Step 3 Weld the Flange Union To weld the flange union see Step 3 Weld the Flange Union on page 4 2 Failure to follow these installation guidelines could result in death or serious injury Make sure only qualified personnel perform the installation P...

Page 18: ... Install new gaskets when installing plate It is recommended to install new gaskets each time orifice flange union is separated 7 Release the flange union by turning Jackscrews counter clockwise 8 Replace studs 9 Tighten studs in a star pattern See Bolt Torque Recommendations on page B 12 NOTE Refer to published standards AGA3 ASME MFC 3M ISO 5167 for installation guidelines Once the orifice plate...

Page 19: ...0 400 05 17 125 434 975 17 125 434 975 18 750 476 25 6 0 152 4 1 5 38 1 12 in 16 125 409 58 16 625 422 26 18 000 457 2 19 625 498 475 20 500 520 7 21 625 549 275 6 0 152 4 1 5 38 1 14 in 17 750 450 85 19 125 485 78 19 375 339 725 20 500 520 7 22 750 577 85 6 0 152 4 1 5 38 1 16 in 20 250 514 35 21 250 539 75 22 250 565 15 22 625 574 675 25 250 641 35 6 0 152 4 1 5 38 1 18 in 21 500 546 1 23 375 59...

Page 20: ...210 8 54 217 1 5 40 6 3 160 DN 150 8 58 218 8 58 218 8 82 224 8 82 224 9 72 247 10 12 257 1 5 40 6 3 160 DN 200 10 74 273 10 74 273 11 18 284 11 42 290 12 17 309 12 76 324 1 5 40 6 3 160 DN 250 12 91 328 12 95 329 13 39 340 13 86 352 14 33 364 15 39 391 1 5 40 6 3 160 DN 300 14 88 378 15 11 384 15 75 400 16 42 417 16 69 424 18 03 458 1 5 40 6 3 160 DN 350 17 24 438 17 48 444 17 99 457 18 66 474 19...

Page 21: ...n DN 150 R 43 7 94 7 50 1 06 R 45 8 75 7 50 1 06 R 45 8 75 7 50 1 06 8 in DN 200 R 48 10 06 7 50 1 06 R 49 11 06 7 50 1 06 R 49 11 06 7 50 1 06 10 in DN 250 R 52 12 31 8 50 1 06 R 53 13 19 8 50 1 06 R 53 13 19 8 50 1 06 12 in DN 300 R 56 15 31 8 50 1 06 R 57 15 44 8 50 1 06 R 57 15 44 8 50 1 06 14 in DN 350 R 59 15 94 8 50 1 06 R 61 16 94 8 50 1 06 R 61 16 94 8 50 1 06 16 in DN 400 R 64 18 06 8 50...

Page 22: ... 81 6 50 1 06 R 38 6 81 7 50 1 31 6 in DN 150 R 45 8 75 7 50 1 06 R 46 8 81 7 50 1 19 R 47 9 75 8 50 1 44 8 in DN 200 R 49 11 06 7 50 1 06 R 50 11 25 7 50 1 44 R 51 11 88 9 50 1 69 10 in DN 250 R 53 13 19 8 50 1 06 R 54 13 38 8 50 1 44 R 55 14 63 9 50 2 00 12 in DN 300 R 57 15 44 8 50 1 06 R 58 15 88 9 50 1 44 R 60 17 25 10 50 2 13 14 in DN 350 R 62 17 13 8 50 1 31 R 63 17 50 9 50 1 88 16 in DN 40...

Page 23: ...0 0 83 0 37 0 97 0 44 1 24 0 56 2 01 0 91 3 06 1 39 4 27 1 94 D4 DIN PN40 0 66 0 30 0 83 0 37 0 97 0 44 1 24 0 56 2 01 0 91 3 18 1 44 4 56 2 07 D5 DIN PN63 0 71 0 32 0 93 0 42 1 02 0 46 1 32 0 60 2 38 1 08 3 58 1 62 4 86 2 20 D6 DIN PN100 0 76 0 34 0 99 0 45 1 09 0 49 1 39 0 63 2 56 1 16 3 91 1 77 5 56 2 52 Line Size Flange Rating 12 in 300 mm 14 in 350 mm 16 in 400 mm 18 in 450 mm 20 in 500 mm 24...

Page 24: ...3 82 1 73 5 47 2 48 D5 DIN PN63 0 85 0 39 1 11 0 50 1 23 0 56 1 58 0 72 2 86 1 30 4 29 1 95 5 83 2 64 D6 DIN PN100 0 91 0 41 1 18 0 54 1 31 0 59 1 67 0 76 3 07 1 39 4 69 2 13 6 67 3 03 Line Size Flange Rating 12 in 300 mm 14 in 350 mm 16 in 400 mm 18 in 450 mm 20 in 500 mm 24 in 600 mm ANSI Thickness 0 250 in 6 32 mm A3 ANSI Class 300 16 33 7 41 21 41 9 71 26 28 11 92 31 66 14 36 37 91 17 20 53 01...

Page 25: ...29 38 92 97 42 17 AF ANSI Class 1500 36 75 16 67 45 03 20 43 55 25 25 06 65 94 29 91 75 68 34 33 108 25 49 10 AT ANSI Class 2500 40 78 18 50 N A N A N A N A N A DIN Thickness 0 157 in 4 0 mm D1 DIN PN10 8 34 3 79 11 05 5 01 13 68 6 20 16 53 7 50 20 10 9 12 27 31 12 39 D2 DIN PN16 8 59 3 90 11 35 5 15 14 01 6 35 17 50 7 94 21 64 9 81 30 40 13 79 D3 DIN PN25 9 30 4 22 12 00 5 44 15 07 6 84 18 11 8 2...

Page 26: ...9 17 123 96 56 23 AF ANSI Class 1500 49 00 22 22 60 04 27 23 73 66 33 41 87 91 39 88 100 91 45 77 144 34 65 47 AT ANSI Class 2500 54 38 24 66 N A N A N A N A N A DIN Thickness 0 118 in 6 0 mm D1 DIN PN10 12 52 5 68 16 58 7 52 20 51 9 31 24 79 11 24 30 15 13 68 40 96 18 58 D2 DIN PN16 12 89 5 85 17 03 7 72 21 01 9 53 26 24 11 90 32 46 14 72 45 60 20 69 D3 DIN PN25 13 95 6 33 18300 8 16 22 61 10 26 ...

Page 27: ...are similar for all services Service specific instructions are provided where necessary Otherwise all instructions in this section apply to all services For more information on 1496 Flange Unions see page A 6 Refer to transmitter installation instructions where applicable SAFETY MESSAGES Instructions and procedures in this section may require special precautions to ensure the safety of the personn...

Page 28: ...ements Step 2 Determine the Proper Orientation To determine the proper orientation see Installation Configuration on page 2 2 Step 3 Weld the Flange Union Follow these steps to weld the orifice flanges to the pipe 1 Make sure the line is depressurized 2 Prep the pipe ends as required 3 Ensure that the orifice flange is the correct size and rating 4 Make certain that the flange taps are aligned and...

Page 29: ...he flange union by turning Jackscrews counter clockwise 8 Replace studs 9 Tighten studs in a star pattern See Bolt Torque Recommendations on page B 12 NOTE Refer to published standards AGA3 ASME MFC 3M ISO 5167 for installation guidelines Once the orifice plate is installed proceed by installing connection systems manifolds and or transmitters per manufacturer s recommended specifications and plan...

Page 30: ...92 Rev CA August 2010 Rosemount 1495 1496 4 4 1496 DIMENSIONAL DRAWINGS Figure 4 2 Class 300 X A B1 1 R O Weld Neck Y1 C 0 06 0 94 1 2 NPT 1 X QB R G O Threaded Y2 F QF C 0 06 0 94 1 2 NPT 1 1 X B2 Slip On Y2 C 0 06 0 94 1 2 NPT 1 1 ...

Page 31: ... 25 50 2 25 3 25 5 75 19 00 16 00 16 16 18 21 00 28 00 2 38 3 50 6 25 21 00 18 00 18 18 20 23 00 30 50 2 50 3 75 6 38 23 12 20 00 20 20 24 27 25 36 00 2 75 4 19 6 62 27 62 24 00 24 25 Nominal Pipe Size 1 2 Diameter of Pressure Connection TT Drilling Template Bolt Length 3 4 Bolt Circle Number of Holes Diameter of Holes Diameter of Bolts Machine Bolts Stud Bolts 1 1 4 3 50 4 0 69 5 8 4 50 5 00 5 11...

Page 32: ... 00 8 25 1 44 3 44 0 06 R31 4 875 0 312 0 469 0 03 1 06 4 62 3 50 4 6 19 10 75 1 50 4 00 0 25 R37 5 875 0 312 0 469 0 03 1 06 6 00 4 50 6 8 50 14 00 1 88 4 62 0 25 R45 8 312 0 312 0 469 0 03 1 06 8 75 6 63 8 10 62 16 50 2 19 5 25 0 25 R49 10 625 0 312 0 469 0 03 1 06 10 75 8 63 10 12 75 20 00 2 50 6 00 0 25 R53 12 750 0 312 0 469 0 03 1 06 13 50 10 75 12 15 00 22 00 2 62 6 12 0 25 R57 15 000 0 312...

Page 33: ... 8 9 50 10 00 16 1 2 23 75 20 1 62 1 62 11 2 10 25 10 75 18 1 2 25 75 20 1 75 1 75 15 8 11 00 11 50 20 1 2 28 50 24 1 75 1 75 15 8 11 75 12 50 24 1 2 33 00 24 2 00 2 00 17 8 13 25 13 75 1 Weld neck flanges NPS 3 and smaller are identical to Class 300 flanges except for bolting and may be used for such service 2 All other dimensions are in accordance with ASME B16 5 3 Bolt lengths for raised face f...

Page 34: ...00 0 781 0 06 1 56 22 25 18 00 20 23 00 33 75 4 25 9 75 R74 23 000 0 500 0 781 0 06 1 56 24 50 20 00 24 27 25 41 00 5 50 11 50 R78 27 250 0 625 1 062 0 09 1 88 29 50 24 00 1 Nominal Pipe Size Bore B Diameter of Pressure Connection TT Drilling Template Length of Stud Bolts 2 3 4 Diameter of Bolt Circle Number of Holes Diameter of Holes Diameter of Bolts Raised Face Ring Joint 1 For Nominal Pipe Siz...

Page 35: ...88 3 5 00 10 50 1 88 4 62 R35 5 375 0 312 0 469 0 03 1 06 5 25 3 50 4 6 19 12 25 2 12 4 88 R39 6 375 0 312 0 469 0 03 1 06 6 38 4 50 6 8 50 15 50 3 25 6 75 R46 8 312 0 375 0 531 0 06 1 12 9 00 6 63 8 10 62 19 00 3 62 8 38 R50 10 625 0 438 0 656 0 06 1 31 11 50 8 63 10 12 75 23 00 4 25 10 00 R54 12 750 0 438 0 656 0 06 1 31 14 50 10 75 12 15 00 26 50 4 88 11 12 R58 15 000 0 562 0 806 0 06 1 56 17 7...

Page 36: ... 2 12 2 15 00 15 75 14 1 2 25 00 16 2 38 21 4 16 25 17 52 16 1 2 27 75 16 2 62 21 2 17 75 19 00 18 1 2 30 50 16 2 88 23 4 19 75 21 00 20 1 2 32 75 16 3 12 3 21 50 22 50 24 1 2 39 00 16 3 62 31 2 24 50 26 00 1 All other dimensions are in accordance with ASME B16 5 2 Bolt lengths for raised face flanges include allowance for orifice and gasket thickness of 0 25 in for NPS 1 12 and 0 38 in for NPS 14...

Page 37: ...12 00 8 63 10 12 75 26 50 6 50 16 50 R55 13 500 0 688 1 188 0 09 1 88 14 75 10 75 12 15 00 30 00 7 25 18 25 R60 16 000 0 688 1 312 0 09 2 00 17 38 12 75 1 Nominal Pipe Size Bore B Diameter of Pressure Conn ection TT Drilling Template Length of Stud Bolts 2 3 Diameter of Bolt Circle Number of Holes Diameter of Holes Diameter of Bolts Raised Face Ring Joint 1 1 4 4 25 4 1 00 7 8 6 00 6 25 4 1 5 1 4 ...

Page 38: ...0 522 237 27 1500 51 23 18 73 33 18 97 44 09 147 66 82 331 150 45 552 250 91 912 414 54 2500 85 38 64 105 47 73 189 85 91 291 132 27 761 345 91 1162 528 18 2152 978 18 Flange Ratings Line Size 12 in 300 mm 14 in 350 mm 16 in 400 mm 18 in 450 mm 20 in 500 mm 22 in 550 mm 24 in 600 mm ANSI 150 160 72 72 220 99 79 280 127 00 300 136 08 360 163 29 450 204 12 520 235 87 300 280 127 27 360 163 29 500 22...

Page 39: ... ISO 5167 5 000 Orifice Plate Operating Limitations Temperature Limit Based on flange rating per ANSI B16 5 Maximum Working Pressure Based on flange rating per ANSI B16 5 Service and Flow Range Liquid gas or vapor turbulent flow for pipe Reynold s Numbers within ISO 5167 AGA Report No 3 API 14 3 2 and ASME MFC 3M specifications Pipe Sizes 2 in to 24 in 50 mm to 600 mm Contact Emerson Process Manag...

Page 40: ...provided customer must specify pipe schedule 4 101 6 40 Standard 3 40 Standard 3 80 XS 2 160 XXS 6 152 4 40 Standard 3 80 2 2 Flange Unions are supplied with Schedule 80S if 316 316L SST or 304 304L SST materials are selected 160 XXS 8 203 2 40 Standard 3 80 2 160 No default schedule provided customer must specify pipe schedule 10 254 40 Standard 3 80 2 160 12 304 8 40 Standard 3 80 2 160 14 355 6...

Page 41: ...7 18 3 826 97 18 6 152 6 065 154 05 6 065 154 05 5 761 146 33 5 761 146 33 5 761 146 33 8 203 7 981 202 72 7 981 202 72 7 813 198 45 7 625 193 68 7 625 193 68 7 625 193 68 10 254 10 02 254 51 10 20 259 08 9 75 247 65 9 564 242 94 9 75 247 65 9 75 247 65 12 305 12 0 304 8 12 00 304 80 11 626 41 30 11 376 288 95 11 75 298 45 11 75 298 45 14 356 13 250 336 55 12 814 325 48 12 50 317 50 13 0 330 20 16...

Page 42: ...reen Klingersil C4400 or equivalent Pipe Plugs Match flange material Pressure Taps Pressure tap connections are in 12 7 mm NPT and 180 apart as standard The tap hole diameter is in 6 35 mm for 2 in 51 mm size 3 8 in 9 6 mm for 2 in 63 5 mm size and 3 in 76 2 mm and in 12 7 mm for 4 in 101 6 mm and larger sizes Return of Materials To expedite the return process outside the United States contact the...

Page 43: ...ange Union 1495 PC Paddle square edged concentric 1496 WN Raised Face RF Weld Neck for use with paddle type orifice plates 1495 PG Paddle square edged concentric spiral finish 1496 SO TH Raised Face RF Slip On Threaded for use with paddle type orifice plates Orifice Universal Type Flange Union 1495 UC Universal square edged concentric 1496 RJ Ring Type Joint RTJ Weld Neck for use with universal or...

Page 44: ...n 50 to 600 mm Contact Emerson Process Management for lines less than 2 in 51 mm Choose Plate Thickness Default is 0 125 in 3 2 mm for 2 to 6 in 50 to 150 mm line size Default is 0 250 in 6 35 mm for 8 to 14 in 200 to 350 mm line size Default is 0 375 in 9 53 for 16 to 20 in 400 to 500 mm Default is 0 500 in 12 7 mm for 24 in 600 mm line size Choose Flange Union Type Raised Face Weldneck 1496WN Ra...

Page 45: ...e most common options The starred options should be selected for best delivery __The Expanded offering is subject to additional delivery lead time Model Product Description 1495 Orifice Plate Primary Orifice Plate Type Standard Standard PC Paddle Concentric PG Paddle Concentric Spiral finish UC Universal Concentric Line Size Standard Standard 020 2 inches DN50 025 2 1 2 inches DN65 030 3 inches DN...

Page 46: ...mm D 0 500 in 12 7 mm default for line size 24 in 600 mm E 3 Plate Thickness per DIN 19206 Bore Standard Standard XXXXX Bore XXXXX XX XXX Options Include with selected model number Bore Calculation Standard Standard BC Bore Calculation Drain Vent Hole Standard Standard DV 4 Drain Vent Hole Plate Holder Standard Standard PH 5 Plate Holder for RTJ Flanges Alternate Bore Type Standard Standard TC Con...

Page 47: ...ess DN50 65 3 mm DN80 450 4 mm DN500 600 6 mm 4 This option requires pipe I D to be specified Please select alternate pipe schedule option or specify on order 5 Integral Plate Holder material matches plate material for line sizes to 3 in requires minimum 1 4 in plate thickness Screw Type Plate Holder in 304SS for line sizes 4 in and larger 6 A standard beveled orifice plate is provided with the RO...

Page 48: ... type plates with plate holders All flange unions are supplied with studs nuts jackscrews gaskets and pipe plugs Table A 1 lists standard pipe schedules Meets ASME B16 36 Meets DIN 19214 part 1 Threaded tap connection provided 180 degrees apart The following options are available Socket weld tap connections High temperature flange gaskets for temperatures greater than 500 F 260 F Stainless Steel f...

Page 49: ... Weld Neck DIN 19214 Part 1 Expanded RJ Ring Joint Weld Neck Line Size Standard Standard 020 2 inches DN50 025 2 inches DN65 030 3 inches DN80 040 4 inches DN100 060 6 inches DN150 080 8 inches DN200 100 10 inches DN250 120 12 inches DN300 140 14 inches DN350 160 16 inches DN400 180 18 inches DN450 200 20 inches DN500 240 24 inches DN600 Flange Rating Standard Standard A3 ANSI Class 300 A6 ANSI Cl...

Page 50: ...ng XS FM 4 Schedule 100 FN 4 Schedule 120 FP 4 Schedule 140 FQ 4 Schedule 160 FR 4 Schedule Double Extra Strong XXS High Temperature Gaskets Standard Standard G1 5 High Temperature Gaskets spiral wound gaskets Alternate Bolting Material Standard Standard SS 6 316SS Studs Nuts Alternate Pressure Tap Type Standard Standard ST Socketweld Pressure Taps not available with Flange Union Type code DN Spec...

Page 51: ...e as shown in Table A 1 on page A 2 Standard wall thickness for DIN weldneck flanges is per ISO EN 1092 1 2002 Consult the factory if a different wall thickness is required 5 Not available with Flange Union Type code RJ 6 Stainless steel bolting ASTM A193 GR B8M Class 2 is classified as low strength bolting by the various ASME B31 piping codes and may not be suitable for all applications requiring...

Page 52: ...Reference Manual 00809 0100 4792 Rev CA August 2010 Rosemount 1495 1496 A 14 ...

Page 53: ...sed as multiples of internal diameter D Diameter Ratio Upstream inlet side of orifice plate Single 90 bend Two 90 bends in any plane Two 90 bends in the same plane S configuration Two 90 bends in the same plane S configuration Two 90 bends in perpendicular planes Two 90 bends in perpendicular planes Single 90 tee with or without an extension Mitre 90 bend Single 45 bend Two 45 bends in the same pl...

Page 54: ...pstream inlet side of orifice plate Concentric reducer 2D to D over a length of 1 5D to 3D Concentricreducer 0 5D to D over a length of D to 2D Full bore ball valve or gate valve fully open Abruptsymmetrical reduction Thermometer pocket or well c of diameter 0 03Dd Fittings columns 2 to 11 and the densitometer pocket 1 9 10 11 12 13 14 Ae Bf Ae Bf Ae Bf Ae Bf Ae Bf Ae Bf 0 20 5 g 6 g 12 6 30 15 5 ...

Page 55: ...ee 6 3 2 3 2 d Column B for each fitting gives lengths corresponding to 0 5 additional uncertainty values see 6 3 2 3 3 e n is the number of diameters such that the upstream end of the 19 tube bundle flow straightener 1998 is situated 1D from the downstream end of the curved or conical portion of the nearest fitting It is desirable that the length between the upstream end of the 19 tube bundle flo...

Page 56: ...f Installations With a 19 Tube Bundle Flow Straightener Downstream of a Single Bend 1 Position of any fitting placed at any distance upstream of the single bend 2 Position of previous fitting placed before straight length upstream of the single bend 3D 2D 13D 0 25D 30D 3D 2D 13D 12D 30D 18D 15D 1 2 ...

Page 57: ...GA Report No 3 Orifice Metering of Natural Gas and Other Related Hydrocarbon Fluids American Gas Association Fourth Edition April 2000 Second Printing June 2003 Figure B 2 Orifice Meter Tube Layout for Flanged or Welded Inlet Meter Tube UL DL Orifice Plate Separation distance S ...

Page 58: ... Meter Installation Requirements Without a Flow Conditioner Minimum Straight Unobstructed Meter Tube Length from the Upstream Side of the Orifice Plate in multiples of published internal pipe diameter Di Diameter ratio a Single 90 elbow b Two 90 elbows in the same plane with S 30Di c Two 90 elbows in perpendicu lar planes with S 15Di Two 90 elbows in the same plane S configura tion spacer Two 90 e...

Page 59: ...fice Meter Installation Requirements With 1998 Uniform Concentric 19 Tube Bundle Flow Straightener for Meter Tube Upstream Length of Single 90 elbow R Di 1 5 Two 90 elbows out of plane R Di 1 5 Singe 90 tee used as an elbow but not as a header element Partially closed valves at least 50 open High swirl combined with single 90 Tee Any fitting catch all category Downstream meter tube length Diameter...

Page 60: ...undle Flow Straightener for Meter Tube Upstream Length of Single 90 elbow R Di 1 5 Two 90 elbows out of plane R Di 1 5 Singe 90 tee used as an elbow but not as a header element Partially closed valves at least 50 open High swirl combined with single 90 Tee Any fitting catch all category Downstream meter tube length Diameter Ratio UL2 UL2 UL2 UL2 UL2 UL2 DL 0 10 5 25 5 25 5 25 5 13 5 23 5 13 2 8 0 ...

Page 61: ...5 5 3 7 3 5 0 75 28 14 18 9 30 15 5 3 7 3 5 Diam eter Ratio 36 18 24 12 30 15 5 3 8 4 1 S is the separation between the two bands measured from the downstream end of the curved portion of the upstream bend to the upstream end of the curved portion of the downstream bend 2 This is not a good upstream installation a flow conditioner should be used where possible 3 The straight length in each Column ...

Page 62: ... is possible Table B 7 Permitted Range of Straight Lengths Between Orifice Plate and 19 Tube Bundle Flow Straightener 1998 Downstream of Fittings Located at a Distance Lf From the Orifice Plate Diameter Ratio Single 90 bendb Two 90 bendsb in perpendicular planes 2D S a Single 90 tee 30 Lf 18 Lf 30 30 Lf 18 Lf 30 30 Lf 18 Lf 30 1 2 3 4 5 6 7 Ac Bd Ac Bd Ac Bd Ac Bd Ac Bd Ac Bd 0 20 5 to 14 5 1 to n...

Page 63: ...f Installations With a 19 Tube Bundle Flow Straightener Downstream of a Single Bend 1 Position of any fitting placed at any distance upstream of the single bend 2 Position of previous fitting placed before straight length upstream of the single bend 3D 2D 13D 0 25D 30D 3D 2D 13D 12D 30D 18D 15D 1 2 ...

Page 64: ...ter in mm Bolt Torque ft lbs N m 2 5 08 8 5 8 15 9 52 71 2 5 6 35 8 3 4 19 1 73 99 3 7 62 8 3 4 19 1 106 144 4 10 16 8 3 4 19 1 136 185 6 15 24 12 3 4 19 1 149 185 8 20 32 12 7 8 22 2 246 335 10 25 4 16 1 25 4 261 355 12 30 48 16 1 1 8 28 6 391 532 14 35 56 20 1 1 8 28 6 341 464 16 40 64 20 1 1 4 31 8 488 664 18 45 72 24 1 1 4 31 8 542 737 20 50 8 24 1 1 4 31 8 598 813 24 60 96 24 1 1 2 38 1 927 1...

Page 65: ...sket Flange Size in mm Number of Bolts Bolt Diameter in mm Bolt Torque ft lbs N m 2 5 08 8 7 8 22 2 240 325 2 5 6 35 8 1 25 4 368 499 3 7 62 8 1 1 8 28 6 533 723 4 10 16 8 1 1 4 31 8 750 1017 6 15 24 12 1 3 8 34 9 1020 1383 8 20 32 12 1 5 8 41 3 1650 2237 10 25 4 12 1 7 8 47 6 3000 4067 12 30 48 16 2 50 8 3300 4474 14 35 56 16 2 1 4 57 2 4770 6467 16 40 64 16 2 1 2 63 5 6600 8948 18 45 72 16 2 3 4...

Page 66: ...Reference Manual 00809 0100 4792 Rev CA August 2010 Rosemount 1495 1496 B 14 ...

Page 67: ...17455 Compressibility at Flow Base Compressibility Density at Flow 0 171328 lb ft3 Base Density lb ft3 Flow Rates Minimum 6000 lb hr Normal 8000 lb hr Maximum 10000 lb hr Full Scale 10000 lb hr CALCULATED DATA Calculation performed at normal conditions DP in H2O at 68 F Orifice Bore Size 4 000 inch Bore Reynolds Number Normal 894278 832 DP at Min Flow 16 379 in H2O at 68 F Pipe Reynolds Number Nor...

Page 68: ...Reference Manual 00809 0100 4792 Rev CA August 2010 Rosemount 1495 1496 C 2 NOTES ...

Page 69: ......

Page 70: ...erty of their respective owners 2010 Rosemount Inc All rights reserved Reference Manual 00809 0100 4792 Rev CA August 2010 Emerson Process Management Rosemount Measurement 8200 Market Boulevard Chanhassen MN 55317 USA T U S 1 800 999 9307 T International 952 906 8888 F 952 949 7001 www rosemount com Emerson Process Management Shared Services Ltd Heath Place Bognor Regis West Sussex PO22 9SH Englan...

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