API 610 Edition Diferencias

8/20/2019 API 610 Edition Diferencias

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API 610 Major Changes from 5th through 10th Editions

Item 5th Ed 6th Ed 7th Ed 8th Ed 9th /10th Edition *Pump Types No limitation on pump

typesClose coupled, two stageoverhung or doublesuction overhung pumpsrequire purchaserapproval

• Close coupled, two stageoverhung or double suctionoverhung and ring sectionsingle casing pumps requirepurchaser approval.

• In-line pump speciied isrigid coupled type.

• !igid coupled in-lines, hori"ontaloot mounted overhung, and builtin mechanical seal pumps addedto list requiring customerapproval.

• In-line pump must be bearingrame type unless speciied bythe purchaser.

#oot mounted design nowallowed, i approved bycustomer, i service temp. is$ %&' deg. C ()'' deg. #*.

Casing designpressure

+esign or ma.discharge pressure orservice

+esign or ma.discharge pressure plusallowances or head andspeed increase

+esign or ma. dischargepressure plus allowances orhead and speed increase

+esign pressure no less than ''psig

No change.

#langes Pressure class notspeciied

Pressure class notspeciied

Pressure class not speciied )'' !# minimum implied (basedon '' psig casing designpressure*

No change.

Casing oints /ternally coninedgas0ets

1etal to metal oint withconined controlled

compression gas0et

1etal to metal oint withconined controlled

compression gas0et

1etal to metal oint with coninedcontrolled compression gas0et

No change.

2olting Type o bolting notspeciied

3tuds and nuts preerredto cap screws

3tud and nuts preerred tocap screws

3tuds and nuts required. Capscrews require purchase approval

No change.

Casing mount Centerline mount orT4)&'o#

Centerline mount orT4)&'o#

Centerline mount orT4)&'o#• Casing mount (withbaseplate* must besuiciently rigid to limitcoupling end shatdisplacement to levelspermitted by 5PI %'. 5bearing housing support

(rame oot* cannot be used.

Centerline mounting required orhori"ontal overhung pumps.• Casing mount (with baseplate*must be suiciently rigid to limitcoupling end shat displacementto levels permitted by 5PI %'. 5bearing housing support (rameoot* cannot be used.

3till requires centerlinemounting or hori"ontaloverhung pumps ecept,when approved by customer,oot mounted hori"ontaloverhung may be used iservice temperature is $ %&'deg. C ()'' deg. #*.

5uiliaryconnections tocasing

3chedule 6' 3chedule 6' 1inimum 3chedule %' 1inimum 3chedule %' No change.

Casing vent 7ent required unlesspump design is selventing

7ents required unlesspump design is selventing

Need or venting based oncapability to prevent loss oprime during startingsequence

Need or venting based oncapability to prevent loss o primeduring starting sequence

No change.

3hatConcentricity

1achined andassembled orconcentric rotation (TI!limits not speciied

Concentricity limitspeciied at '.''% inchTI!

Concentricity limit speciiedat '.''% inch TI!

Concentricity limit speciied at'.''% inch TI!

No change.



Item 5th Ed 6th Ed 7th Ed 8th Ed 9th /10th Edition *3hat+election

3hat si"ed to limitdelection to ma. o'.''8 inch at ace ostuing bo

3hat si"ed to limitdelection to ma. o'.''8 inch at ace ostuing bo

3hat si"ed to limit delectionto ma. o '.''8 inch at aceo stuing bo

3hat si"ed to limit delectionto ma. o '.''8 inch at theaces o the primarymechanical seal.

No change.

3eal chambers No minimumdimensions speciied.3tuing bo ace must

be machined to acceptmechanical seal gland.

No minimum dimensionsspeciied. 3tuing boace must be machined to

accept mechanical sealgland.

1inimum seal chamberdimensions or mechanicalseals speciied. !esults in a

seal only design.

3tandardi"ed seal chamberdimensions speciied (per 5PI68*.

No change.

1echanicalseals

1echanical seal ispurchaser option

1echanical seals unlessotherwise speciied

1echanical seal unlessotherwise speciied. #iedthrottle bushing required onsingle and double seals

Cartridge mechanical sealsrequired. +eault seals are to

5PI 68. I non-68 seals arepermitted, cartridge seals mustmeet requirements speciied in

5PI %'9• 68 seal chamberdimensions• 68 connection symbols• dry running secondary

allowed

5ll seal arrangements to be per 5PI-68:I3;8%'<=. 3eals nowspeciied by >Category?. 3ee

5PI-68, Para. %.8.

In summary9- Category % @ non-5PI.- Category 8 @ same as

5PI-%', 6th /dition.- Category ) @ ull 5PI-

68.;peratingpoint on curve

No requirementsspeciied

2/P between rated andnormal point

2/P between rated andnormal point

Preerred ;perating !egionA' to %8'B o 2/P. 1ustmeet the new vibration criteriain this region. !ated capacityin 6'-%%'B o 2/P. 2/Ppreerred to be between ratedand normal points.

5llowable ;perating !egion#low range within a )'Bincrease allowable vibrationlevels

No change.

Component2alance

No balance levelspeciied. +ynamicbalance dependent onoperating conditions

+ynamic balancerequired. No balancelevels speciied

+ynamic balanced to < :N +ynamic balanced to < :N +ynamic balancing changed toI3; %=<'-% Dr. 8.& (equiv. to6:N. Tighter balancing to I3;%=<'-% Dr. %.' (equiv. to <:N*only required when speciied.(3ee Note % at end o thisreview*.

7ibration Eniltered 7ibrationlimited to '.''8 inch P-P or ball bearings and'.''8& inch P-P orsleeve bearings.#iltered levels not

addressed

7ibration velocity $'.)in:sec uniltered and $'.8in:sec iltered

7ibration velocity $'.) in:secuniltered and $'.8 in:seciltered

$'.%8 in:sec overall and $'.'6in:sec. at discrete requenciesinside preerred operatingregion. Increase o )'Bpermitted in allowableoperating region

$ '.8' in:sec and '.A 7u(uniltered velocity* at discreterequencies. Increase o )'Bpermitted in allowable operatingrange. (#or hydrodynamic brgvib. limits, see 5PI Table 6*.

2



Item 5th Ed 6th Ed 7th Ed 8th Ed 9th /10th Edition *Critical 3peed %'B greater than

operating speed8'B greater thanoperating speed.Critical speed analysis ormultistage pumps was apurchaser speciiedoption

8'B greater than operatingspeed .Critical speed analysis ormultistage pumps was apurchaser speciied option

;verhung pumps8'B above operating speed.No analysis required.2etween bearingNo analysis required i rotor isclassically sti or identical:similar to eisting pump.

7ertically suspended pumps8'B above operating speed.

5nalysis when speciied

No change.

No""le Foads N/15 1D %, based onsteam turbines. Noguidance or pipingdesigner.

G,H, component valuesspeciied. Duidance topiping designer given in

5ppendi C.

2asically the same no""leloads as th. Duidance topiping designer given in

5ppendi #.

/ssentially same as Ath. 5eschanged to conorm to I3;requirements.Duidance topiping designer given in

5ppendi #.

No change. 5pp. # is now 5nne #.

Thrust2earings

5ntiriction thrustbearing type notspeciied

+uple angular contactthrust bearings with lightpreload required

+uple angular contact thrustbearings required. Preloaddetermined by pump mr. tosuit service requirements

+uple angular contact thrustbearings required. Preloaddetermined by pump mr. tosuit service requirements

No change.

2earing1ounting 2earing must be directlymounted on shat. No bearingcarriers allowed. Positivelocating device required - snaprings or spring type washersare not acceptable

No change ecept bearingcarriers are now allowed >iapproved by purchaser.?

2earingDuidelines

3leeve bearingsrequired at+N4)'','''Jydrodynamic thrustbearing required i NP !P148.A million

• 3leeve bearingsrequired at +N4)'','''• Jydrodynamic thrustbearing required i NP !P148.A million

• 3leeve bearings required at+N4)'','''• Jydrodynamic thrustbearing required i NP !P148.A million

• 3leeve bearings required atdmGN4&'','''• Jydrodynamic thrust bearingrequired i JP !P14&.<million

No change.

;ilTemperatureon Test

No requirement No !equirement No !equirement ;il sump temperature rise ontest limited to A'o# or ring oilsystems, &'o# or pressuri"edlube systems

No change.here >rame cooling? isrequired, >cooling coil? methodpreerred to >cooling ac0et?.

2earinghousings

3teel required orlammable or toic luidsor inboard bearinghousings with semi-circular mounting langes

3teel required or lammableor toic services regardlesso geometry

3teel required or lammableor toic services regardless ogeometry.+imples required orconsistent vibrationmeasurement.

No change.

3



Item 5th Ed 6th Ed 7th Ed 8th Ed 9th /10th Edition *Couplings 3pacer type, tolerance

o '.''% on radius andace to ace. No balancelevel speciied.Coupling it light enoughto be removed withoutheating

Concentricity o '.'''&TI! per inch o shatdiameter. No balancelevel speciied.Coupling it light enoughto be removed withoutheating

2alance to 5D15 Class 6.Intererence it per 5D15=''8.

5ssembled coupling must meet 5D15 Class =. Components to<:N.Intererence it per 5D15 =''8.

- 5ssembled coupling mustmeet 5D15 Class =.- No component balancerequired.- I3; %=<'-% Dr. D.)balance, i speciied.- Keys, 0eyways, its shall

conorm to 5D15 =''8,Commercial Class.2aseplates orhori"ontalpumps

• Pump and base designmust limit coupling endshat displacement to'.'%' inch in anydirection

• Pump and base designmust limit coupling endshat displacement to'.''& inch in anydirection• 1achining latnesstolerance added• 3tandardi"ed baseplatedimensions or N/15rame motors

• 1achining latnesstolerance.• Pump and base designmust limit coupling end shat.displacement to levelspermitted by 5PI %'. 5bearing housing support(rame oot* cannot be used.• 3tandardi"ed baseplatesdimensions or N/15 ramemotors• 8 inch radius on groutcontact corners added.

• 1achining latness toleranceadded.• Pump and base design mustlimit coupling end shatdisplacement to levels permittedby 5PI %'. 5 bearing housingsupport (rame oot* cannot beused.• 5dditional wider standardi"edbaseplates added or use whenseal pots are supplied.• 8 inch radius on grout contactcorners added• 3andblast underside andprime with inorganic "incsilicate.• Drout anchor studs required.

3ame as previous ecept orollowing9- 5ll baseplate oints Ltop and bottom L must bewelded and welds must becontinues. No s0ip weldspermitted.- Drout anchor studs nolonger required.- Changed requirementor driver transversepositioning screws when driver4 <&' lbs and aial positioningscrews when driver 4 ='' lbsto both required when 4 &''lbs.- Primer on undersideo baseplate to be compatiblewith epoy grout.

Testing ;perate without undueheating o bearings

;perate without undueheating o bearings

Pumps shall operate withinbearing temperature limits

;il sump temperature riselimited to A'o# (&'o# orpressure lube systems*

No change

7ibration on

Test

7ibration recorded at

various capacities

3ame as &th. 7ibration at

minimum low apurchaser option

7ibration recorded at rated

low plus any purchaserspeciied lows.

+ata to be ta0en at all points

ecept shut-o9Eniltered vibration velocity both!13 and true pea03pectrum analysis (#ast #ourierTransorm - ##T*

- Eniltered vibration in !13

only. 1easurement in truepea0 velocity no longerrequired.

Item 5th Ed 6th Ed 7th Ed 8th Ed 9th /10th Edition *

!otor2alancing

• 1ultistage pump rotorbalance to <:N regardless

o operating speed.

• 1ultistage rotors to be twoplane balanced. 6:N below

)6'' !P1, <:N above )6''

No change.

4



• 3tac0 balance required onlywhen speciied• !esidual unbalance chec0only when speciied

!P1.• 3tac0 balance required ormultistage rotors.• !esidual unbalanced chec0required or all assembled rotors

* 9th / 10th Edition have same requirements. 10th Edition simply formally incorporated reference to European standard I! 13"09 #hich #as only in draft form #hen 9 th Edition#as issued.

$ote 1% &lthou'h 9th/10th Edition allo#s for less strin'ent dynamic (alance standard) I/+oulds #ill continue to (alance to the 4,/$ -I! +1.0 level.

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API 610 Edition Diferencias