seat leakage class

1
ANSI / FCI 70-2-1991 API 598 1990 API 6D DIN 3230 Part 3 1982 ISO 5208 1993 MSS SP-61 1992 Control Valve Seat Leakage Valve Inspection and Testing 1994 Technical Delivery Conditions for Valves, Industrial valves - Pressure testing of valves Pressure Testing DIN IEC 534-4 1990 Specification Compilation of test methods BS 6755 : Part 1 : 1986 of Steel Valves Industrial-process Control Valves, Part 4: Inspection and Routine Testing for Pipeline Testing of Valves. Part 1. Valves (Gate, Specification for Production Pressure Testing Requirements Plug, Ball and JIS B 2003 - 1994*** Check Valves) General Rules for Inspection of Valves ANSI / FCI DIN IEC 534-4 ANSI/FCI DIN IEC Metal seat Soft seat Metal Soft 70-2-1991 70-2-1991 534-4 All except Check seat seat Rate A Rate B Rate C Rate D Class II Class III Class IV Class V check valves valves Rate 1 Rate 2 Rate 3 Rate 3*** Rate 2*** Rate 1*** DN NPS T / min Test T / min* Test Leakage Leakage Leakage Test Test Leakage Test T / min Leakage T / min Leakage Leakage Leakage T / min Test Leakage Leakage Leakage T / min T / min Test Leakage Leakage Leakage Leakage T / min Test Leakage DN NPS medium, medium, medium, medium, medium, medium, medium, medium, mm inch P / bar P / bar P / bar P / bar ml / min P / bar ml / min ml / min ml / min P / bar ml / min ml / min ml / min P / bar ml / min ml / min ml / min ml / min P / bar ml / min mm inch (10 bar) 25 1 0,25 Water 0,25 - 1 Water 0,5% of 0,1% of 0,01% of Water Water 0,075 Water, 0,25 0 1 3 0 0 0,25 Water 0 0,1 0,5 0,25 0,25 Water 0 0,015 0,045 0,15 0,25 Water, 0,17 25 1 40 1,5 0,25 / 0,25 - 1 / rated rated rated / / 0,12 kerosene, 0,25 0 1 4,5 0 0 0,25 / 0 0,1 0,5 0,25 0,25 which 0 0,024 0,072 0,24 0,25 kerosene 0,27 40 1,5 50 2 0,25 3-4 bar 0,25 - 1 3-4 bar valve valve valve The ±0,5 % 0,15 or non- 0,25 0 1 6 0 0 1 The per- 0 0,1 1,0 0,25 0,25 may 0 0,03 0,09 0,3 0,25 or fluid 0,33 50 2 65 2,5 0,5 or the 1 - 2 or the capacity** capacity** capacity** maximum of the 0,195 corrosive 1 0,75 1 7,5 0 0 1 missible 0 0,1 1,0 0,5 0,25 contain a 0 0,039 0,117 0,39 0,5 with 0,43 65 2,5 80 3 0,5 maximum 1 - 2 maximum service maximum 0,24 liquid 1 0,75 1 9 0 0 1 operating 0 0,1 1,0 0,5 0,25 corrosion 0 0,048 0,144 0,48 0,5 viscosity 0,53 80 3 100 4 0,5 operating 1 - 2 operating pressure operating 0,3 whose 1 0,75 1 12 0 0 1 overpres- 0 0,1 1,0 0,5 0,25 inhibitor, 0 0,06 0,18 0,6 0,5 not 0,67 100 4 125 5 0,5 differential 1 - 2 differential See below the values drop differential 0,375 viscosity 1 0,75 1 15 0 0 1 sure at 0 0,2 1,5 0,5 0,25 kerosene 0 0,075 0,225 0,75 0,5 greater 0,83 125 5 150 6 0,5 pressure 1 - 2 pressure of specific valves across pressure 0,45 is no 1 0,75 1 18 0 0 1 20°C 0 0,2 1,5 0,5 0,25 or other 0 0,09 0,27 0,9 0,5 than that 1,00 150 6 whichever ±0,5 % the valve across higher suitable of water 200 8 0,5 is less 1 - 2 if it is plug, not the valve 0,6 than that 2 1,25 1 24 0 0 2 0 0,2 2,0 0,5 0,25 liquid ha- 0 0,12 0,36 1,2 0,5 / 1,33 200 8 250 10 1 3 - 7 below exceeding 0,75 of water 2 1,25 1 30 0 0 2 0 0,3 2,5 1 0,5 ving a vis- 0 0,15 0,45 1,5 1 No less 1,67 250 10 300 12 1 3 - 7 3,5 bar the 0,9 / 2 1,25 1 36 0 0 2 0 0,3 3,0 1 0,5 cosity not 0 0,18 0,54 1,8 1 than 1,1 2,00 300 12 350 14 1 3 - 7 maximum 1,05 Low-pres- 2 1,75 2 42 0 0 2 0 0,4 3,5 1 0,5 greater 0 0,21 0,63 2,1 1 times the 2,33 350 14 400 16 1 3 - 7 operating 1,2 sure test 2 1,75 2 48 0 0 2 0 0,4 4,0 1 0,5 than that 0 0,24 0,72 2,4 1 38ºC 2,67 400 16 450 18 1 3 - 7 pressure 1,35 4-7 bar, 2 1,75 2 54 0 0 2 0 0,5 5,0 1 0,5 of water 0 0,27 0,81 2,7 1 rating 3,00 450 18 500 20 2 3 - 7 at room 1,5 high-pres- 2 1,75 2 60 0 0 2 0 0,5 5,0 2 1 / 0 0,3 0,9 3 2 3,33 500 20 600 24 2 3 - 7 tempera- 1,8 sure test 2 1,75 2 72 0 0 2 0 0,6 6,0 2 1 1,1 times 0 0,36 1,08 3,6 2 4,00 600 24 ture 14-44 bar the 700 28 2 3 - 7 or some 2,1 2 1,75 2 84 0 0 2 0 0,7 7,0 2 1 maximum 0 0,42 1,26 4,2 2 4,67 700 28 750 30 2 3 - 7 lesser 2,25 2 1,75 2 90 0 0 2 0 0,8 8,0 2 1 permissible 0 0,45 1,35 4,5 2 5,00 750 30 800 32 2 3 - 7 pressure 2,4 2 1,75 2 96 0 0 2 0 0,8 8,0 2 1 working 0 0,48 1,44 4,8 2 5,33 800 32 900 36 2 3 - 7 by 2,7 2 1,75 2 108 0 0 2 0 0,9 9,0 2 1 pressure 0 0,54 1,62 5,4 2 6,00 900 36 1000 40 2 3 - 7 individual 3,0 2 1,75 2 120 0 0 2 0,1 1,0 10,0 2 1 at 20°C 0 0,6 1,8 6 2 6,67 1000 40 1100 44 2 3 - 7 agreement 3,3 2 1,75 2 132 0 0 2 0,1 1,1 11,0 2 1 0 0,66 1,98 6,6 2 7,33 1100 44 1200 48 2 3 - 7 3,6 2 1,75 2 144 0 0 2 0,1 1,2 12,0 2 1 0 0,72 2,16 7,2 2 8,00 1200 48 1300 52 2 3 - 7 3,9 2 1,75 2 156 0 0 2 1 0 0,78 2,34 7,8 2 8,67 1300 52 1350 54 2 3 - 7 4,05 2 1,75 2 162 0 0 2 1 0 0,81 2,43 8,1 2 9,00 1350 54 1400 56 2 3 - 7 4,2 2 1,75 2 168 0 0 2 1 0 0,84 2,52 8,4 2 9,33 1400 56 ANSI / FCI 70-2-1991. Control Valve Seat Leakage. DIN IEC 534-4 1990. Industrial-process Control Valves, Part 4: Inspection and Routine Testing. Leakage (ml / min) *There is variation in the minimum test duration Class II Class III Class IV specified in national and international standars. These values are ranges of times currently specified DN NPS FIFTO FIFTC R R M1 M1 and L1C L1D FIFTO FIFTC R R M1 M1 and L1C L1D FIFTO FIFTC R R M1 M1 and L1C L1D DN NPS as minimum test duration. with and MBV and with and MBV and with and MBV and mm inch Q-trim MBV with L12 Q-trim MBV with L12 Q-trim MBV with L12 mm inch **Rated valve capacity q Q-trim Q-trim Q-trim q = 0,865*(1000000/60)*(p1)^0,5*Fl*Cv (ml/min) 25 1 1685 1413 2890 4496 337 283 578 899 34 28,3 58 90 25 1 p1 = Test pressure + Air pressure 40 1,5 3603 3340 7065 10704 721 668 1413 2141 72 66,8 141 214 40 1,5 Test pressure ist 3,5 bar 50 2 6043 5309 11560 4600 20980 6294 1209 1062 2312 920 4196 1259 121 106,2 231 92 420 126 50 2 Fl = Valve pressure recovery factor 65 2,5 17982 9395 3596 1879 360 188 65 2,5 Cv = Valve flow coeffient 80 3 15921 13273 26974 15658 49666 18357 13487 18357 3184 2655 5395 3132 9933 3671 2697 3671 318 265 539 313 993 367 270 367 80 3 100 4 27775 22692 39818 24466 94194 39711 24772 33717 5555 4538 7964 4893 18839 7942 4954 6743 555 453,8 796 489 1884 794 495 674 100 4 ***Comparing standard JIS B 2003 - 1987 with standards 125 5 46241 9248 925 125 5 ISO 5208 1986 and BS 6755 : Part 1 : 1986 Rate A=Rate 3, 150 6 60431 49238 80921 52846 218358 101900 82572 92909 12086 9848 16184 10569 43672 20380 16514 18582 1209 985 1618 1057 4367 2038 1651 1858 150 6 Rate B=Rate2 and Rate D=Rate 1. 200 8 101105 89912 130373 86120 398182 174579 167897 159594 20221 17982 26075 17224 79636 34916 33579 31919 2022 1798 2607 1722 7964 3492 3358 3192 200 8 250 10 154563 131871 206156 147774 650793 293713 268085 238267 30913 26374 41231 29555 130159 58743 53617 47653 3091 2637 4123 2955 13016 5874 5362 4765 250 10 300 12 288361 209428 959063 419590 401852 381377 57672 41886 191813 83918 80370 76275 5767 4189 19181 8392 8037 7628 300 12 350 14 413596 309249 578007 559703 82719 61850 115601 111941 8272 6185 11560 11194 350 14 400 16 546538 409070 754161 681834 109308 81814 150832 136367 10931 8181 15083 13637 400 16 450 18 968849 906614 193770 181323 19377 18132 450 18 NOTICE! 500 20 1205557 1078946 241111 215789 24111 21579 500 20 This table is unofficial. 600 24 1706496 1648390 341299 329678 34130 32968 600 24 Information are due to the latest standadrs 700 28 2163397 2105443 432679 421089 43268 42109 700 28 of the day (see the date below). For the further 750 30 2581764 2157892 516353 431578 51635 43158 750 30 information and to get the latest data check 800 32 2950587 590117 59012 800 32 the latest versions of the specified standards. 900 36 3655205 3019550 731041 603910 73104 60391 900 36 1000 40 4557996 911599 91160 1000 40 1100 44 1100 44 1200 48 6385599 1277120 127712 1200 48 PVM / DATE 18-09-1997 PIIRT / DWN MSS TARK / CHECK. KH HYV /APPR. EM SUMMARY OF THE SEAT LEAKAGE STANDARS FOR LIQUID C 313186 A 10191 28-10-1997 MSS EM MIKROFILM. Rev NO. Date Dwn. Appr. NELES-JAMESBURY HELSINKI WORKS MUUTOS ISSUE

Upload: kamlesh-dalavadi

Post on 25-Oct-2015

53 views

Category:

Documents


1 download

DESCRIPTION

Engineering

TRANSCRIPT

Page 1: Seat Leakage Class

ANSI / FCI 70-2-1991 API 598 1990 API 6D DIN 3230 Part 3 1982 ISO 5208 1993 MSS SP-61 1992 Control Valve Seat Leakage Valve Inspection and Testing 1994 Technical Delivery Conditions for Valves, Industrial valves - Pressure testing of valves Pressure Testing

DIN IEC 534-4 1990 Specification Compilation of test methods BS 6755 : Part 1 : 1986 of Steel ValvesIndustrial-process Control Valves, Part 4: Inspection and Routine Testing for Pipeline Testing of Valves. Part 1.

Valves (Gate, Specification for Production Pressure Testing Requirements

Plug, Ball and JIS B 2003 - 1994***Check Valves) General Rules for Inspection of Valves

ANSI / FCI DIN IEC 534-4 ANSI/FCI DIN IEC Metal seat Soft seat Metal Soft70-2-1991 70-2-1991 534-4 All except Check seat seat Rate A Rate B Rate C Rate D

Class II Class III Class IV Class V check valves valves Rate 1 Rate 2 Rate 3 Rate 3*** Rate 2*** Rate 1***

DN NPS T / min Test T / min* Test Leakage Leakage Leakage Test Test Leakage Test T / min Leakage T / min Leakage Leakage Leakage T / min Test Leakage Leakage Leakage T / min T / min Test Leakage Leakage Leakage Leakage T / min Test Leakage DN NPSmedium, medium, medium, medium, medium, medium, medium, medium,

mm inch P / bar P / bar P / bar P / bar ml / min P / bar ml / min ml / min ml / min P / bar ml / min ml / min ml / min P / bar ml / min ml / min ml / min ml / min P / bar ml / min mm inch(10 bar)

25 1 0,25 Water 0,25 - 1 Water 0,5% of 0,1% of 0,01% of Water Water 0,075 Water, 0,25 0 1 3 0 0 0,25 Water 0 0,1 0,5 0,25 0,25 Water 0 0,015 0,045 0,15 0,25 Water, 0,17 25 140 1,5 0,25 / 0,25 - 1 / rated rated rated / / 0,12 kerosene, 0,25 0 1 4,5 0 0 0,25 / 0 0,1 0,5 0,25 0,25 which 0 0,024 0,072 0,24 0,25 kerosene 0,27 40 1,550 2 0,25 3-4 bar 0,25 - 1 3-4 bar valve valve valve The ±0,5 % 0,15 or non- 0,25 0 1 6 0 0 1 The per- 0 0,1 1,0 0,25 0,25 may 0 0,03 0,09 0,3 0,25 or fluid 0,33 50 265 2,5 0,5 or the 1 - 2 or the capacity** capacity** capacity** maximum of the 0,195 corrosive 1 0,75 1 7,5 0 0 1 missible 0 0,1 1,0 0,5 0,25 contain a 0 0,039 0,117 0,39 0,5 with 0,43 65 2,580 3 0,5 maximum 1 - 2 maximum service maximum 0,24 liquid 1 0,75 1 9 0 0 1 operating 0 0,1 1,0 0,5 0,25 corrosion 0 0,048 0,144 0,48 0,5 viscosity 0,53 80 3100 4 0,5 operating 1 - 2 operating pressure operating 0,3 whose 1 0,75 1 12 0 0 1 overpres- 0 0,1 1,0 0,5 0,25 inhibitor, 0 0,06 0,18 0,6 0,5 not 0,67 100 4125 5 0,5 differential 1 - 2 differential See below the values drop differential 0,375 viscosity 1 0,75 1 15 0 0 1 sure at 0 0,2 1,5 0,5 0,25 kerosene 0 0,075 0,225 0,75 0,5 greater 0,83 125 5150 6 0,5 pressure 1 - 2 pressure of specific valves across pressure 0,45 is no 1 0,75 1 18 0 0 1 20°C 0 0,2 1,5 0,5 0,25 or other 0 0,09 0,27 0,9 0,5 than that 1,00 150 6

whichever ±0,5 % the valve across higher suitable of water200 8 0,5 is less 1 - 2 if it is plug, not the valve 0,6 than that 2 1,25 1 24 0 0 2 0 0,2 2,0 0,5 0,25 liquid ha- 0 0,12 0,36 1,2 0,5 / 1,33 200 8250 10 1 3 - 7 below exceeding 0,75 of water 2 1,25 1 30 0 0 2 0 0,3 2,5 1 0,5 ving a vis- 0 0,15 0,45 1,5 1 No less 1,67 250 10300 12 1 3 - 7 3,5 bar the 0,9 / 2 1,25 1 36 0 0 2 0 0,3 3,0 1 0,5 cosity not 0 0,18 0,54 1,8 1 than 1,1 2,00 300 12350 14 1 3 - 7 maximum 1,05 Low-pres- 2 1,75 2 42 0 0 2 0 0,4 3,5 1 0,5 greater 0 0,21 0,63 2,1 1 times the 2,33 350 14400 16 1 3 - 7 operating 1,2 sure test 2 1,75 2 48 0 0 2 0 0,4 4,0 1 0,5 than that 0 0,24 0,72 2,4 1 38ºC 2,67 400 16450 18 1 3 - 7 pressure 1,35 4-7 bar, 2 1,75 2 54 0 0 2 0 0,5 5,0 1 0,5 of water 0 0,27 0,81 2,7 1 rating 3,00 450 18500 20 2 3 - 7 at room 1,5 high-pres- 2 1,75 2 60 0 0 2 0 0,5 5,0 2 1 / 0 0,3 0,9 3 2 3,33 500 20600 24 2 3 - 7 tempera- 1,8 sure test 2 1,75 2 72 0 0 2 0 0,6 6,0 2 1 1,1 times 0 0,36 1,08 3,6 2 4,00 600 24

ture 14-44 bar the700 28 2 3 - 7 or some 2,1 2 1,75 2 84 0 0 2 0 0,7 7,0 2 1 maximum 0 0,42 1,26 4,2 2 4,67 700 28750 30 2 3 - 7 lesser 2,25 2 1,75 2 90 0 0 2 0 0,8 8,0 2 1 permissible 0 0,45 1,35 4,5 2 5,00 750 30800 32 2 3 - 7 pressure 2,4 2 1,75 2 96 0 0 2 0 0,8 8,0 2 1 working 0 0,48 1,44 4,8 2 5,33 800 32900 36 2 3 - 7 by 2,7 2 1,75 2 108 0 0 2 0 0,9 9,0 2 1 pressure 0 0,54 1,62 5,4 2 6,00 900 36

1000 40 2 3 - 7 individual 3,0 2 1,75 2 120 0 0 2 0,1 1,0 10,0 2 1 at 20°C 0 0,6 1,8 6 2 6,67 1000 401100 44 2 3 - 7 agreement 3,3 2 1,75 2 132 0 0 2 0,1 1,1 11,0 2 1 0 0,66 1,98 6,6 2 7,33 1100 441200 48 2 3 - 7 3,6 2 1,75 2 144 0 0 2 0,1 1,2 12,0 2 1 0 0,72 2,16 7,2 2 8,00 1200 481300 52 2 3 - 7 3,9 2 1,75 2 156 0 0 2 1 0 0,78 2,34 7,8 2 8,67 1300 521350 54 2 3 - 7 4,05 2 1,75 2 162 0 0 2 1 0 0,81 2,43 8,1 2 9,00 1350 541400 56 2 3 - 7 4,2 2 1,75 2 168 0 0 2 1 0 0,84 2,52 8,4 2 9,33 1400 56

ANSI / FCI 70-2-1991. Control Valve Seat Leakage. DIN IEC 534-4 1990. Industrial-process Control Valves, Part 4: Inspection and Routine Testing.Leakage (ml / min)

*There is variation in the minimum test durationClass II Class III Class IV specified in national and international standars.

These values are ranges of times currently specifiedDN NPS FIFTO FIFTC R R M1 M1 and L1C L1D FIFTO FIFTC R R M1 M1 and L1C L1D FIFTO FIFTC R R M1 M1 and L1C L1D DN NPS as minimum test duration.

with and MBV and with and MBV and with and MBV andmm inch Q-trim MBV with L12 Q-trim MBV with L12 Q-trim MBV with L12 mm inch **Rated valve capacity q

Q-trim Q-trim Q-trim q = 0,865*(1000000/60)*(p1)^0,5*Fl*Cv (ml/min)25 1 1685 1413 2890 4496 337 283 578 899 34 28,3 58 90 25 1 p1 = Test pressure + Air pressure40 1,5 3603 3340 7065 10704 721 668 1413 2141 72 66,8 141 214 40 1,5 Test pressure ist 3,5 bar50 2 6043 5309 11560 4600 20980 6294 1209 1062 2312 920 4196 1259 121 106,2 231 92 420 126 50 2 Fl = Valve pressure recovery factor65 2,5 17982 9395 3596 1879 360 188 65 2,5 Cv = Valve flow coeffient80 3 15921 13273 26974 15658 49666 18357 13487 18357 3184 2655 5395 3132 9933 3671 2697 3671 318 265 539 313 993 367 270 367 80 3100 4 27775 22692 39818 24466 94194 39711 24772 33717 5555 4538 7964 4893 18839 7942 4954 6743 555 453,8 796 489 1884 794 495 674 100 4 ***Comparing standard JIS B 2003 - 1987 with standards 125 5 46241 9248 925 125 5 ISO 5208 1986 and BS 6755 : Part 1 : 1986 Rate A=Rate 3, 150 6 60431 49238 80921 52846 218358 101900 82572 92909 12086 9848 16184 10569 43672 20380 16514 18582 1209 985 1618 1057 4367 2038 1651 1858 150 6 Rate B=Rate2 and Rate D=Rate 1.

200 8 101105 89912 130373 86120 398182 174579 167897 159594 20221 17982 26075 17224 79636 34916 33579 31919 2022 1798 2607 1722 7964 3492 3358 3192 200 8250 10 154563 131871 206156 147774 650793 293713 268085 238267 30913 26374 41231 29555 130159 58743 53617 47653 3091 2637 4123 2955 13016 5874 5362 4765 250 10300 12 288361 209428 959063 419590 401852 381377 57672 41886 191813 83918 80370 76275 5767 4189 19181 8392 8037 7628 300 12350 14 413596 309249 578007 559703 82719 61850 115601 111941 8272 6185 11560 11194 350 14400 16 546538 409070 754161 681834 109308 81814 150832 136367 10931 8181 15083 13637 400 16450 18 968849 906614 193770 181323 19377 18132 450 18 NOTICE!500 20 1205557 1078946 241111 215789 24111 21579 500 20 This table is unofficial. 600 24 1706496 1648390 341299 329678 34130 32968 600 24

Information are due to the latest standadrs 700 28 2163397 2105443 432679 421089 43268 42109 700 28 of the day (see the date below). For the further 750 30 2581764 2157892 516353 431578 51635 43158 750 30 information and to get the latest data check 800 32 2950587 590117 59012 800 32 the latest versions of the specified standards.900 36 3655205 3019550 731041 603910 73104 60391 900 36

1000 40 4557996 911599 91160 1000 401100 44 1100 441200 48 6385599 1277120 127712 1200 48

PVM / DATE 18-09-1997 PIIRT / DWN MSS TARK / CHECK. KH HYV /APPR. EMSUMMARY OF THE SEAT LEAKAGESTANDARS FOR LIQUID C 313186

A 10191 28-10-1997 MSS EM MIKROFILM.Rev NO. Date Dwn. Appr. NELES-JAMESBURY HELSINKI WORKS MUUTOS ISSUE