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For Technical Assistance and Sales Contact: FlexEJ Ltd
Tel: +44 (0) 1384 881188 Email: [email protected]
Fax: +44 (0) 1384 896875 Web: www.flexej.co.uk
FlexEJ copyright 2014 4-1
Copper Axial Expansion JointSection
4
SpecificationFlexEJ Small bore Copper ended axialexpansion joints are made from stainless steelconvoluted bellows for use in heating circuits.Designed to EJMA*.
MaterialsBellows: 316 Stainless SteelCopper Ends: BS EN1057 Table ‘X’
Operating ConditionsMax Working Pressure: 6 BarTesting Pressure: 9 BarMax Working Temp: 90oC
Application
FlexEJ Small bore Copper ended expansionjoints are used in small bore pipe work systemsto absorb thermal movement in the axialdirection.
Performance
Movements and pressure ratings apply fortemperatures up to 90oC. Copper pipe endedunits should not be used above thistemperature.
Installation
Take care when installing the bellow to ensureno torsion is applied. The unit is supplied atextended length so no cold pull is required. The bellow can be installed in any flowdirection. These expansion joints require thepipe work to be suitably anchored and guidedfor correct installation. Take care whensoldering or brazing to ensure no soldering fluxcomes into contact with the bellowconvolutions. Doing so could cause acorrosive chemical reaction and prematurefailure. DO NOT USE BELLOWS TOCORRECT FOR MISALIGNMENT OF PIPING.Refer FlexEJ bellows installation manual forfurther details.
*EJMA – Expansion Joint Manufacturers Association
Part No. DN Supplied Axial Spring Effective Force to Pressure PressureLength Move’t Rate Area Compress Rating Thrust
(comp) (6 Bar)
mm mm N/mm cm2 KgF Bar g KgF
MRCA12X220X6X25 15 220 25 19.1 5.2 49 6 31
MRCA20X230X6X25 20 230 25 19.1 5.2 49 6 31
MRCA25X235X6X25 25 235 25 26.2 8.2 67 6 50
MRCA32X245X6X25 32 245 25 28.5 13.7 73 6 82
MRCA40X250X6X25 40 250 25 35.2 20.4 90 6 123
MRCA50X250X6X25 50 250 25 59.8 32.1 153 6 193
For Technical Assistance and Sales Contact: FlexEJ Ltd Tel: +44 (0) 1384 881188 Fax: +44 (0) 1384 896875 Email: [email protected] Web: www.flexej.co.uk
4 -2 FlexEJ copyright 2014
Union Ended Axial Expansion Joint
SpecificationFlexEJ Union end axial movement expansionjoints come with a BSP union swivel at bothends complete with fibre washer and steelconvoluted bellows. Designed to EJMA*.
MaterialsBellows: 316 Stainless SteelUnion Ends: EN 10242 Female Union Black
Operating ConditionsMax Working Pressure: 6 BarTesting Pressure: 9 BarMax Working Temp: 150oC
Application
FlexEJ Union Ended expansion joints are used insmall bore pipe work heating systems to absorbthermal movement, in the axial direction.Malleable iron union ends allow the expansionjoint to be installed quickly and easily.
Performance
Movements and pressure ratings apply fortemperatures up to 150oC
Installation
Take care when installing the bellow to ensureno torsion is applied. The unit is supplied atextended length so no cold pull is required.The bellow can be installed in any flowdirection. These expansion joints require thepipe work to be suitably anchored and guidedfor correct installation. DO NOT USEBELLOWS TO CORRECT FORMISALIGNMENT OF PIPING. Refer FlexEJ bellows installation manual forfurther details.
*EJMA – Expansion Joint Manufacturers Association
Part No. DN Supplied Axial Spring Effective Force to Pressure PressureLength Move’t Rate Area Compress Rating Thrust
(comp) (6 Bar)
mm mm N/mm cm2 KgF Bar g KgF
MRUA12X181X6X25 15 181 25 19.1 5.2 49 6 31
MRUA20X187X6X25 20 187 25 19.1 5.2 49 6 31
MRUA25X191X6X25 25 191 25 26.2 8.2 67 6 50
MRUA32X207X6X25 32 207 25 28.5 13.7 73 6 82
MRUA40X215X6X25 40 215 25 35.2 20.4 90 6 123
MRUA50X229X6X25 50 229 25 59.8 32.1 153 6 193
For Technical Assistance and Sales Contact: FlexEJ Ltd
Tel: +44 (0) 1384 881188 Email: [email protected]
Fax: +44 (0) 1384 896875 Web: www.flexej.co.uk
FlexEJ copyright 2014 4-3
Flanged Axial Expansion JointSection
4
SpecificationFlexEJ flanged axial movement expansion jointwith fixed carbon steel raised face flanges drilledto EN1092-1 PN16, multi-ply stainless steelconvoluted bellows.Designed to EJMA*.
MaterialsBellow: 316 Stainless SteelSleeve: 316 Stainless SteelFlange: EN 1092-1 PN16
Operating ConditionsMax Working Pressure: 16 BarTest Pressure: 24 BarMax Working Temperature: 300oC
Application
FlexEJ Flanged expansion joints are used insteel pipe work systems to absorb thermalmovement, in the axial direction. It also reducesnoise and vibrations from pumps andreciprocating machinery.
Performance
Pressure de-rating factors apply at elevatedtemperature.
Installation
Take care when installing the bellow to ensureno torsion is applied. The orientation of thebolt holes must be aligned with mating pipework flanges so that torsion is not introduced.The correct length of bolts is essential toensure they do not come into contact with thebellow convolutions. Take care not to causedamage to the bellow convolutions whentightening the bolts. The bellow is providedwith an internal flow liner so note the directionof flow when installing. The unit is supplied atextended length so no cold pull is required.These expansion joints require the pipe workto be suitably anchored and guided for correctinstallation. DO NOT USE BELLOWS TOCORRECT FOR MISALIGNMENT OF PIPING.Refer FlexEJ bellows installation manual forfurther details.
*EJMA – Expansion Joint Manufacturers Association
For Technical Assistance and Sales Contact: FlexEJ Ltd Tel: +44 (0) 1384 881188 Fax: +44 (0) 1384 896875 Email: [email protected] Web: www.flexej.co.uk
4 -4 FlexEJ copyright 2014
Flanged Axial Expansion Joint
Technical Data
For Technical Assistance and Sales Contact: FlexEJ Ltd
Tel: +44 (0) 1384 881188 Email: [email protected]
Fax: +44 (0) 1384 896875 Web: www.flexej.co.uk
FlexEJ copyright 2014 4-5
Flanged Lateral Expansion JointSection
4
NB Movement Length (L) Spring ratemm +/- mm N/mm
50 75 1000
65 75 1000
80 75 1000
100 75 1000
125 75 1000
150 75 1000
200 75 1000
250 75 1000
300 75 1000
SpecificationFlexEJ flanged lateral movement expansion jointwith fixed carbon steel raised face flanges drilledto EN1092-1 PN16, multi-ply stainless steelconvoluted bellows.Designed to EJMA*.
MaterialsBellow: 316 Stainless SteelSleeve: 316 Stainless SteelFlange: EN 1092-1 PN16
Operating ConditionsMax Working Pressure: 16 BarTest Pressure: 24 BarMax Working Temperature: 300oC
Application
FlexEJ Flanged expansion joints are used insteel pipe work systems to absorb thermalmovement, in the lateral direction.
Performance
Pressure de-rating factors apply at elevatedtemperature.
Custom Design
If you require a custom design please enquire
Installation
Take care when installing the bellow to ensureno torsion is applied. The orientation of thebolt holes must be aligned with mating pipework flanges so that torsion is not introduced.The correct length of bolts is essential toensure they do not come into contact with thebellow convolutions. Take care not to causedamage to the bellow convolutions whentightening the bolts. The bellow is providedwith an internal flow liner so note the directionof flow when installing. The unit is supplied atextended length so no cold pull is required.These expansion joints require the pipe workto be suitably anchored and guided for correctinstallation. DO NOT USE BELLOWS TOCORRECT FOR MISALIGNMENT OF PIPING.
Refer FlexEJ bellows installation manual forfurther details.
*EJMA – Expansion Joint Manufacturers Association
For Technical Assistance and Sales Contact: FlexEJ Ltd Tel: +44 (0) 1384 881188 Fax: +44 (0) 1384 896875 Email: [email protected] Web: www.flexej.co.uk
4 -6 FlexEJ copyright 2014
Flanged Hinge Expansion Joint
SpecificationFlexEJ flanged hinge angular movement expansionjoint with fixed carbon steel raised face flangesdrilled to EN1092-1 PN16, multi-ply stainless steelconvoluted bellows.Designed to EJMA*.
MaterialsBellow: 321 Stainless SteelSleeve: 321 Stainless SteelFlange: EN 1092-1 PN16
Operating ConditionsMax Working Pressure: 16 BarTest Pressure: 24 BarMax Working Temperature: -20 / + 120oC
Application
FlexEJ Flanged expansion joints are used insteel pipe work systems to absorb thermalangular movement.
Performance
Pressure de-rating factors apply at elevatedtemperature.
Custom Design
If you require a custom design please enquire
Installation
Take care when installing the bellow to ensureno torsion is applied. The orientation of thebolt holes must be aligned with mating pipework flanges so that torsion is not introduced.The correct length of bolts is essential toensure they do not come into contact with thebellow convolutions. Take care not to causedamage to the bellow convolutions whentightening the bolts. The bellow is providedwith an internal flow liner so note the directionof flow when installing. The unit is supplied atextended length so no cold pull is required.These expansion joints require the pipe workto be suitably anchored and guided for correctinstallation. DO NOT USE BELLOWS TOCORRECT FOR MISALIGNMENT OF PIPING.
Refer FlexEJ bellows installation manual forfurther details.
*EJMA – Expansion Joint Manufacturers Association
NB Movement Length (L) Spring ratemm +/- mm Nm/ o
50 5 100 1.7
65 5 110 3.7
80 5 120 6.2
100 5 140 8.7
125 6.5 206 19.7
150 6.5 200 23.4
200 7 222 36.5
250 3.5 220 98
300 3.5 220 121
For Technical Assistance and Sales Contact: FlexEJ Ltd
Tel: +44 (0) 1384 881188 Email: [email protected]
Fax: +44 (0) 1384 896875 Web: www.flexej.co.uk
FlexEJ copyright 2014 4-7
Flanged Gimbal Expansion JointSection
4
NB Movement Length (L) Spring ratemm +/- mm Nm/ o
50 5 100 1.7
65 5 110 3.7
80 5 120 6.2
100 5 140 8.7
125 6.5 206 19.7
150 6.5 200 23.4
200 7 222 36.5
250 3.5 220 98
300 3.5 220 121
SpecificationFlexEJ flanged gimbal angular movement expansionjoint with fixed carbon steel raised face flangesdrilled to EN1092-1 PN16, multi-ply stainless steelconvoluted bellows.Designed to EJMA*.
MaterialsBellow: 321 Stainless SteelSleeve: 321 Stainless SteelFlange: EN 1092-1 PN16
Operating ConditionsMax Working Pressure: 16 BarTest Pressure: 24 BarMax Working Temperature: -20 / + 120oC
Application
FlexEJ Flanged expansion joints are used insteel pipe work systems to absorb thermalangular movement.
Performance
Pressure de-rating factors apply at elevatedtemperature.
Custom Design
If you require a custom design please enquire
Installation
Take care when installing the bellow to ensureno torsion is applied. The orientation of thebolt holes must be aligned with mating pipework flanges so that torsion is not introduced.The correct length of bolts is essential toensure they do not come into contact with thebellow convolutions. Take care not to causedamage to the bellow convolutions whentightening the bolts. The bellow is providedwith an internal flow liner so note the directionof flow when installing. The unit is supplied atextended length so no cold pull is required.These expansion joints require the pipe workto be suitably anchored and guided for correctinstallation. DO NOT USE BELLOWS TOCORRECT FOR MISALIGNMENT OF PIPING.
Refer FlexEJ bellows installation manual forfurther details.
*EJMA – Expansion Joint Manufacturers Association
For Technical Assistance and Sales Contact: FlexEJ Ltd Tel: +44 (0) 1384 881188 Fax: +44 (0) 1384 896875 Email: [email protected] Web: www.flexej.co.uk
4 -8 FlexEJ copyright 2014
