BCK02

for Krones ® Stretch Blow Molding MachinesSTRETCH ROD CYLINDERSBCK

PLA

STIC

PA

CKA

GING COMPONEN

TS

GR

OUP

SOLUTIONS

Quality

Delivery

Support

A divisionof PHDPLA

STIC

PA

CKA

GING COMPONEN

TS

GR

OUP

SOLUTIONS

Quality

Delivery

Support

A divisionof PHD

Simplified Pneumatic System

Easy Maintenance

Better Delivery

Better Price

BCK1 Shown with optional

MAC valve -U23

BCK2Includes retract locking cylinder

Shown with optional MAC valve -U19

2(800) 624-8511

www.phdinc.com/bck BCK02

ORDERING DATA: SERIES BCK STRETCH ROD CYLINDERS

INDEX:Ordering Data Page 2

Benefits Page 3

Engineering Data Page 4

Dimensions Page 5

Options Pages 6 & 7

Parts List & Repair Kits Page 8

© Copyright 2014, by PHD, Inc. All Rights Reserved. Printed in the U.S.A.

- -x -

PRODUCT LINEB - Blow Mold

SERIESC - Cylinder 150 psi [10 bar] Air

K_ - Extra Rod Extension in 1 mm increments Length Code (BCKxxx) is -K5 = 5 mm, -K17 = 17 mm, etc.U19 - MAC ISO 2 Series Valve with DIN Connector on Top U23 - MAC ISO 2 Series Valve with DIN Connector Rotated 90° R13 - Rod Eye Attached to Rod End of CylinderL2116 - 16 mm incoming air line (12 mm standard)F66 - 6 wrench flats (2 wrench flats standard)

TYPEK - Krones® Stretch Rod

OEM CYLINDER NO.1 - Without retract lock 0-900-99-743-0 / 0-902-52-569-92 - With retract lock 0-902-52-268-9 / 0-901-85-956-4 / 0-902-18-438-0

Contact PHD for smaller or larger bores.

50 1.969 1963 3.05

BORE SIZE CYLINDER OPTIONS

(mm) (in) (sq mm) (sq in)

(164 mm = Minimum Stroke in 1 mm Increments)

Contact PHD for longer strokes.

50 390

METRIC STROKESTANDARD STROKE LENGTHSBORE(mm)

MAXIMUM STROKE(mm)

DESIGN NO.5 - Metric

MANDATORY OPTIONDR - *Cushion Control Retract Only

B C K 1 - 5 U23390 DR50

TO ORDER SPECIFY:Product Line, Series, Type, OEM Cylinder No., Design No., Bore Size, Metric Stroke, Mandatory Option, and Cylinder Options if required.

NOTES:1) *-DR must be specified.2) Standard stretch rod cylinder ordering number is as follows: BCK1-5-50 x 390 - DR (-U19) -U23 or -U19 options need to be specified for valve to be attached to unit.

BORE AREA

RETRACT END

EXTEND END

RETRACT END

EXTEND END

BCK1 BCK2

ROD EXTENSION

POSITION 2 FULL

EXTEND

POSITION 1 FULL

RETRACT

CYLINDER (TOTAL

STROKE)

Shown with optional MAC valve -U23 installed

Shown with optional MAC valve -U19 installed

3(800) 624-8511

www.phdinc.com/bckBCK02

Major Benefits

• DirectOEMreplacement

• Singlepressureoperation

• ISO2valvecompatible

• Retractcushioncontrolfactorysetforretractendofstrokedeceleration

• Cylinderseasilyfieldrepairabletomaximizeinvestment

• Internalshockpadsstandardonextendandretract

• Foodgradelubricationthroughout

SERIES BCK STRETCH ROD CYLINDERS

Anymarksornamesreferencedhereinareeitherregisteredtrademarksortrademarksoftheirrespectiveowners.Noassociationwithorendorsementofanycompany,organization,orproductisintendedorshouldbeinferred.

- Simplified Pneumatic System- Easy Maintenance- Better Delivery- Better Price- Longer Life

Significantly Longer Life

Reduces Maintenance Downtime

mufflers with woven wire baffles stay

cleaner longer than sinteredbaffles

MAC valve forfastervalve response

Shown with optional MAC valve -U23

retract cylinder speed setatfactorywith

fixedportorifice,noadjustmentrequired

food grade lubricant throughout

rugged and lightweight aluminum alloy head, cap and tube

increased capacity cushion controls are preset at factorytoreducefieldadjustmenterrorsandincreaselifeofcylinder

built-in shock pads are standard and absorbimpactenergy,eliminatemetaltometalcontact,reduceendofstrokeshockandincreaseunitlife

rod seal retention ring forextremeapplications

flanged bearing is retained forextremeapplications

chrome-plated alloy steel piston rod formaximumlife

urethane piston and rod sealsforlonglife

PTFE wear ring provides piston support andenhancesdurabilityandperformance

retract locking cylinder provides retentionofrodinretractedpositiononE-stop(OnlyavailableonBCK2)

flange isadirectinterfaceforOEMequipment

4(800) 624-8511

www.phdinc.com/bck BCK02

ENGINEERING DATA: SERIES BCK STRETCH ROD CYLINDERS

ACTUATOR SPEEDS Factorysetonretract.Camcontrolledvelocityonextendbymachine.

MAXIMUM ALLOWABLE KINETIC ENERGY SeriesBCKCylinderisprovidedwithacushionretract.Itsmaximumkineticenergyratingis60.5in-lb[6.84Nm].

LIFE EXPECTANCY SeriesBCKCylindershavebeendesignedforover20milliontrouble-freecycles.

SCHEMATIC DIAGRAMS

LUBRICATION SeriesBCKCylindersarelubricatedinternallyatthefactoryforthelifeofthecylinder.PHDusesFDAfoodgradelubricationperregulation21CFR1789.3570.Anyotherlubricationappliedtothecylindermaydecreasethelifeexpectancy.

MAINTENANCE AswithmostPHDproducts,thesecylindersarefieldrepairable.Repairkits,pistonandrodassemblies,andmainstructuralcomponentsareavailableasneededforextendedservice.

SPECIFICATIONS IMPERIAL METRIC

Type PneumaticCylinder

Series BCKStretchRodActuator

BoreSize 1.969 in 50mm

BoreArea–Extend 3.04 in2 1963mm2

BoreArea–Retract 2.56 in2 1649mm2

TheoreticalOutput@87psi[6bar] 264.5 lb 1176.6N

Fluid Air

Operation Double Acting

OperatingPressureRange 7.5 - 150 psi 0.5 - 10 bar

AmbientandFluidTemperature -20°to180°F -29° to 82°C

OperatingPistonSpeed (Typical)

FactorySetonRetractCamControlledonMachine

Cushion, Adjustable Retract Standard(FactorySet)

Lubrication FDARegulation21CFR1789.3570

PortSize G 1/4

Stroke 15.354 in 390mm

Stroke Tolerance +.079/-.000 in +2.0/-0.0mm

Bumper ThermoplasticPolyesterElastomer

Heads & Caps AnodizedAluminum

Cylinder Tube AnodizedAluminum

Piston Rod HardChromePlatedSteel

RodBearing EngineeredPolymer

Piston & Rod Seal Material Urethane

VALVE SPECIFICATIONS IMPERIAL METRIC

Series ISO2(ISO5599/1)

Function 5 / 2

Fluid Air

Operator Single

Pilot Internal

Spool Return AirOnly

Solenoid 24Vdc(5.4W)

Voltage Range -15%to+10%fromNominal

ElectricalConnector DIN43650,FormA

ManualOperator Non-lockingRecessed

PilotExhaust Muffled

Flow 3.0 Cv

Lubrication FDARegulation21CFR1789.3570

Filtration 40 Micron

OperatingPressureRange 20 to 150 psi 1.37 to 10 bar

AmbientandFluidTemperature 0°to120°F -18° to +50°C

CYLINDER

ORIFICE ORIFICE

VALVE

HOME = UPSHIFT = DOWN

VALVE

HOME = UPSHIFT = DOWN

UP

DOWN

LOCKINGCYLINDER

(SHOWN NOTENERGIZED)

DOWN

UP

MANIFOLD MANIFOLD

2X MUFFLER 2X MUFFLER

4 2 4 2

5 1 3 5 1 3

P1 7 BAR

P1 7 BAR

P1 7 BAR

BCK1 BCK2

5(800) 624-8511

www.phdinc.com/bckBCK02

M16 X 1.5 ROD THREAD

2.157 [54.8]

.916 [23.3]

3.071 [78]

1.575 [40] 1.574 [40]

.787 [20]

2X 3.226 [82]

.500 [12.7]

1.500 [38.1]

Ø .472 TUBING FITTING [12.0]

1.500[38.1]

1.349[34.3]

1.349[34.3] 2.661

[67.6]

1.250[31.8]

2.687[68.2]

8.059 [204.7]SEE NOTE 6

M16 ISO 4035(DIN 4398) NUT

6X Ø .346[8.8] THRU

4.134[105]

5.000[127]

R 1.575 [40]

4.409 [112]

.142 [3.6]

3.675[93.3]

1.349[34.3]

CUSHION NEEDLELOCATION*

TAMPER PROOF TAG“WARRANTY VOID IF REMOVED”

CUSHION NEEDLELOCATION*

TAMPER PROOF TAG“WARRANTY VOID IF REMOVED”

20.169[512.3]

19.600 [497.8] 1.746[44.3]

1.576[40]

2.761[70.1] 1.677

[42.6]

.138[3.5]21.812

[554]

1/8-27 NPTEXHAUST FILTER

DIMENSIONS: SERIES BCK STRETCH ROD CYLINDERS

NOTES:1) UNITSHOWNAT390mmTRAVEL2) ALLDIMENSIONSAREREFERENCEONLY3) DIMENSIONSIN[]INDICATEVALUESINmm4) MAXIMUMSTROKEIS15.354[390]5) MINIMUMSTROKEIS6.457[164]6) FORSTROKESSHORTERTHAN390SUBTRACT.019[.5mm]

FOREACH1mmOFSTROKEREDUCTION.

NOTES:1) UNITSHOWNAT390mmTRAVEL2) ALLDIMENSIONSAREREFERENCEONLY3) DIMENSIONSIN[]INDICATEVALUESINmm4) MAXIMUMSTROKEIS15.354[390]5) MINIMUMSTROKEIS6.457[164]

Refer to BCK1 Cylinder above for all other dimensions not shown

!

!

CAUTION:*Atamperevidenttag is placed over the cushion control needlecavity.Removalofthetagand/oradjustmentofthecushionneedlewillvoidthewarrantyoftheSeriesBCKCylinder.

CAUTION:*Atamperevidenttagisplacedoverthecushioncontrolneedlecavity.Removalofthetagand/oradjustmentofthecushionneedlewillvoidthewarrantyoftheSeriesBCKCylinder.

BCK1

BCK2

6(800) 624-8511

www.phdinc.com/bck BCK02

MAC ISO 2 SERIES VALVE TOP ORIENTED DIN CONNECTION

MAC ISO 2 SERIES VALVE SIDE ORIENTED DIN CONNECTION(OEM ORIENTATION)

EXTRA ROD EXTENSION

OPTIONS: SERIES BCK STRETCH ROD CYLINDERS

U19

U23

K_

.984[25]

.984[25]

7.755[196.97]

4.409[112]

8.248[209.5]

SEE NOTE 6

DIN 43650SHAPE A CONNECTOR

2.949[74.9] 4.409

[112]

8.248[209.5]

SEE NOTE 66.513

[165.44]

DIN 43650SHAPE A CONNECTOR.984

[25]

.984[25]

-R13 OPTION

2.157 + K_[54.8 + K_] 4.351

[110.5] MIN4.607

[117.0] MAX

K_K_

NOTES:1) UNITSHOWNAT390mmTRAVEL2) ALLDIMENSIONSAREREFERENCEONLY3) DIMENSIONSIN[]INDICATEVALUESINmm4) MAXIMUMSTROKEIS15.354[390]5) MINIMUMSTROKEIS6.457[164]6) FORSTROKESSHORTERTHAN390SUBTRACT.019[.5mm]

FOREACH1mmOFSTROKEREDUCTION.

NOTES:1) UNITSHOWNAT390mmTRAVEL2) ALLDIMENSIONSAREREFERENCEONLY3) DIMENSIONSIN[]INDICATEVALUESINmm4) MAXIMUMSTROKEIS15.354[390]5) MINIMUMSTROKEIS6.457[164]6) FORSTROKESSHORTERTHAN390SUBTRACT.019[.5mm]

FOREACH1mmOFSTROKEREDUCTION.

NOTES:1)-K_=EXTRARODEXTENSIONIN1MMINCREMENTLENGTHS

CODEEXAMPLES: -K5=5MMEXTENSION -K15=15MMEXTENSION2)RODEXTENSIONSHOWNAT-K15(15MM)

AMACISO2Seriesvalveisoptionallyprovidedandassembledtotheunitbyspecifyingthe-U19option.ThevalveisequippedwithatoporientedDIN43650,shapeAconnector,andislubricatedwithFDARegulation21CFR1789.3570foodgradelubrication.Refertovalvespecificationchartonpage4.

AMACISO2SeriesvalvewithsideorientedDINconnectionisanoptionandassembledtotheunitbyspecifyingthe-U23option.ThevalveisequippedwithaDIN43650,shapeAconnector,andislubricatedwithFDARegulation21CFR1789.3570foodgradelubrication.Refertovalvespecificationchartonpage4.

Extrarodextensioncanbeachievedbyspecifyingtheoption-Kfollowedbythelengthcode.Rodextensionisavailablein1mmincrements.ContactPHDforothercombinations.

! CAUTION:Whenattachingthe-U23Optiontothecylindermanifold,thetwoM3SHCSholdingthepilotblocktothevalvebodymustberemovedinordertoproperlyattachthevalvetothemanifold.IftheM6SHCSarenotproperlytorqued,thevalvemayleakandtheSHCSwilldamageboththepilotblock and the valve body.

7(800) 624-8511

www.phdinc.com/bckBCK02

ROD EYE MOUNTING WITH SPHERICAL BEARING (DIN 8139)

6 WRENCH FLATS

16 mm INCOMING AIR FITTING

OPTIONS: SERIES BCK STRETCH ROD CYLINDERS

R13

F66

L2116

2.520[64.01]

3.761[95.5] MIN

4.016[102.0] MAX

.906[23.01]

2.157[54.8]

1.023[25.99] MIN THREAD DP

M16 x 1.5ROD THREAD

JAM NUT SUPPLIEDWITH CYLINDER

4°

4°

Ø .631[16.02] (H9)

MAX R .827 [21.0]

MIN

Thisoptionprovidesconnectionfor16mmincomingairlines.

Thisoptionincludesarodeyeattachedtotherodendofthe cylinder.

Extrawrenchflatscanbeachievedbyspecifyingthisoption.ContactPHDforotherpossiblerodendconfigurations.

SECTION T-T

T

T

3.911 [99.3]

.628 [16]

3X .625[15.9]

8(800) 624-8511

www.phdinc.com/bck BCK02

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6M-I 1/15 9596

PARTS LIST & REPAIR KITS: SERIES BCK STRETCH ROD CYLINDERS

KEY

OPT

ION

PART

NU

MBE

R

28-U19(ISO2Valve,ConnectoroutTop)

7821

2

28-U23(ISO2Valve,ConnectoroutSide)

8339

2

33-R13(SeeRodeyeKitNum

ber)

—

50FittingAdaptor

8687

3

5116mmTubeFitting

6173

4-13

8

BCK2

KI

T D

ESCR

IPTI

ON

KIT

NU

MBE

RCO

LOR

CO

DE

SealKit*(RetractLockCylinderOnly)

-H90

04*

RepairKit*(RetractLockCylinderOnly)

-H90

14*

NO

TE:*Fullunitdescriptionrequired(followedby-Hxxxx)

NO

TES:

1)Atamperevidenttagisplacedoverthecushioncontrolneedlecavity.Rem

ovalofthetagand/oradjust-

mentofthecushionneedlewillvoidthewarrantyofthecylinder.

2)

CAU

TIO

N: W

henattachingthe-U23optiontothecylinderm

anifold(21),thetwoM6SHCSthathold

thepilotblocktothevalvebodymustberemovedinordertoproperlyattachthevalvetothemanifold.

IftheM6SHCSarenotproperlytorqued,thevalvemayleakandtheSHCSwilldam

ageboththepilot

bloc

k an

d th

e va

lve

body

.

!

BCK2

BCK1

BCK1

& B

CK2

KIT

DES

CRIP

TIO

NKI

T N

UM

BER

COLO

R

COD

E

SealKit*(M

ainCylinderOnly)

-H90

00*

RepairKit*(M

ainCylinderOnly)

-H90

10*

RodEyeMountingKit

5249

3-03

-1