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BELLOWS & METALLIC HOSES76

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BALANCED LATERAL EXPANSION JOINT

STAINLESS STEEL EXPANSION JOINT

GENERAL PRODUCT SHEET

A balanced lateral expansion joint is a double lateral

expansion joint which is equipped with tie-bars.

These are threaded rods with conical washers at the

welding lugs. Two or more tie-bars are mounted,

equally distributed around the circumference of the

flanges or welding ends. The construction method

with two tie-bars allows lateral movements in all di-

rections as well as angular movement in one plane.

Constructions with more tie-bars only allow lateral mo-

vement.

When no axial movement is allowed the pressure for-

ce in the expansion joint is absorbed by the balancer.

This reduces the forces on the piping system.

> DESCRIPTION

> KEY FEATURES

Absorption of large lateral deflections

Balanced: no other movements possible

Pressure thrust restrained

Standard grade of bellow is AISI 316. Flanges

are made out of standard carbon steel with

corrosion protection for fixed flanges. On re-

quest stainless steel flanges are also available.

Pipe-ends and bund rings are manufactured

in AISI 316 grade. The additional construction

of the threaded rods is possible in paint coa-

ted steel and stainless steel.

> MATERIAL PROPERTIES

The bellow is designed according to the most

recent EJMA standards. Assembly is done ac-

cording to EN 14917 / ISO 15348. Assemblies

are possible with welding ends (ASME B36.10),

flanges according to European standard (EN

1092-1) or ANSI standard (ASME B16.5). Flan-

ges according to JIS standard (JIS B2220) are

also possible on request. Conical washers accor-

ding DIN6319C/D.

> STANDARD

> MOVEMENT TABLE

Axial LateralSingle plane

Multi-planeO X

X

AngularSingle plane

Multi-planeOO

This type of expansion joint is equipped

with fixed flanges. Pipe-end configurations

are also possible.

This table will indicate the possible movements for each type of expansion joint

X= suitable for movement O= not suitable for movements

BELLOWS & METALLIC HOSES77

BALANCED LATERAL EXPANSION JOINT

STAINLESS STEEL EXPANSION JOINT

> TYPICAL APPLICATIONS

> POSSIBLE ACCESSORIES

Liner

Heat protection sleeve

All options are explained in detail on page 125-128

The extension or contraction in the paral-

lel pipes with anchors (IA) causes a lateral

movement in the transversal pipe. The ba-

lancers will not allow elongation of the ex-

pansion joint, therefore the pipes will have

to be flexible enough to withstand some

bending. This has the advantage that it is

a very stable configuration as the pressure

thrust is restrained by the balances.

13

C O M P E N S A T O R E N

B a s i s b e g r i p p e n c o m p e n s a t o r e n - t o e p a s s i n g s v o o r b e e l d e n

Toepassing van laterale compensatoren

De compensator bestaat uit tweeenkelvoudige compensatoren, onder-ling verbonden met een pijpstuk.

Fig. 9Een gebruikelijke toepassing van delaterale compensator is de inbouw ineen 90° bochtopstelling. De trekstan-gen dienen om de reactiekracht ten-gevolge van de procesdruk op te van-gen. Nog beter is de opstelling als infig. 14 met scharniercompensatorenom ook de buigbeweging in de leidingop te vangen.

Fig. 10In gevallen waar een laterale compen-sator een axiale beweging, anders danzijn eigen thermische uitzetting, moetcompenseren kan deze functionerenals een axiaal begrensde compensa-tor, mits gebruikt in combinatie met 2hoofdverankeringen om reactiekrach-ten op te vangen.

Fig. 11In gevallen waarbij de compensatorerg lang is ten opzichte van zijn diame-ter of waar een groot aantal golven aanelk einde van de compenstor wordtgebruikt of waar de compensator isblootgesteld aan uitwendige belastingzoals windkracht, trillingen enz., kanhet een vereiste zijn dat een begren-zing in de compensator wordt inge-bouwd. Dit dient om overmatige ver-plaatsing van de balgen en het betrek-kelijk vrij opgehangen pijpstuk er tus-sen te beperken. Fig. 11 A en B geventwee voorbeelden van bewegingsbe-grenzing van trekstangen.

IA

IA

PG

PG Fig. 9

Fig. 10

Fig. 11

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BELLOWS & METALLIC HOSES78

CODE DN Lmm

ODmm

Økmm

Movements Spring rates Eff.A

± axmm

± lat.mm

± ang°

± axN/mm

± lat.N/mm

± angNm/°

(cm2)

KR8L040EVEV-K1-BL 40

1.1/2”

300150 110 0

500

- 2,4 - 19

KR8L040EVEV-M1-BL 440 65 - 0,48 - 19

KR8L050EVEV-K1-BL 50

2”

305165 125 0

500

- 4,39 - 26

KR8L050EVEV-M1-BL 475 65 - 0,78 - 26

KR8L065EVEV-K1-BL 65

2.1/2”

310185 145 0

600

- 5,22 - 45

KR8L065EVEV-M1-BL 480 73 - 1,26 - 45

KR8L080EVEV-K1-BL 80

3”

370200 160 0

600

- 4,96 - 65

KR8L080EVEV-M1-BL 530 73 - 2,08 - 65

KR8L100EVEV-K1-BL 100

4”

400220 180 0

600

- 10,85 - 110

KR8L100EVEV-M1-BL 555 73 - 3,21 - 110

KR8L125EVEV-K1-BL 125

5”

440250 210 0

600

- 14,62 - 168

KR8L125EVEV-M1-BL 620 73 - 5,65 - 168

TYPE KR8LEVEV-BL

Double bellowed, lateral expansion joint with fixed EN flanges.

STANDARDEJMA 9

ISO 15348

ASME B36.10/B36.19

EN 1092-1

MATERIALBellow / Mid pipe: SS AISI 316

Flanges: carbon steel, protected with anti-corrosion paint

Balancer parts: Galvanized steel or SS A2

OTHER SPECIFICATIONSPressure class bellow: 16 bar

Flange pattern: DN40-150: PN16

DN200-500: PN10

Min. 1000 life cycles

ALSO AVAILABLEStainless steel flanges

Custom flange design

POSSIBLE ACCESSORIES Braid

Protection sleeve

Pyro jacket

TECHNICAL DATA

STAINLESS STEEL EXPANSION JOINTK

R8

LE

VE

V-B

L

E

XPA

NS

ION

JO

INT

BELLOWS & METALLIC HOSES79

CODE DN Lmm

ODmm

Økmm

Movements Spring rates Eff.A

± axmm

± lat.mm

± ang°

± axN/mm

± lat.N/mm

± angNm/°

(cm2)

KR8L150EVEV-K1-BL 150

6”

460285 240 0

950

- 20,56 - 239

KR8L150EVEV-M1-BL 650 114 - 5,49 - 239

KR8L200EVEV-K1-BL 200

8”

550340 295 0

950

- 32,66 - 400

KR8L200EVEV-M1-BL 730 114 - 11,05 - 400

KR8L250EVEV-K1-BL 250

10”

600395 350 0

950

- 41,14 - 632

KR8L250EVEV-M1-BL 885 114 - 15,58 - 632

KR8L300EVEV-K1-BL 300

12”

660445 405 0

950

- 86,1 - 877

KR8L300EVEV-M1-BL 940 114 - 22,76 - 877

KR8L350EVEV-K1-BL 350

14”

720505 460 0

950

- 185,76 - 1041

KR8L350EVEV-M1-BL 1220 114 - 28,74 - 1041

KR8L400EVEV-K1-BL 400

16”

900565 515 0

1200

- 109,63 - 1349

KR8L400EVEV-M1-BL 1350 157 - 43,07 - 1349

KR8L450EVEV-K1-BL 450

18”

950615 565 0

1200

- 278,52 - 1706

KR8L450EVEV-M1-BL 1400 157 - 74,8 - 1706

KR8L500EVEV-K1-BL 500

20”

1040670 620 0

1200

- 272,55 - 2087

KR8L500EVEV-M1-BL 1520 157 - 70,64 - 2087

KR

8LE

VE

V-B

L

E

XPA

NS

ION

JO

INT

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* THE DIMENSIONS ARE INDICATIVE AND MAY BE CHANGED TO THE DISCRETION OF BME, BEARING THE SAME TECHNICAL PROPERTIES

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BELLOWS & METALLIC HOSES80

CODE DN Lmm

ODmm

Økmm

Movements Spring rates Eff.A

± axmm

± lat.mm

± ang°

± axN/mm

± lat.N/mm

± angNm/°

(cm2)

KR8L040AVAV-K1-BL 40

1.1/2”

300125 98,4 0

500

- 2,4 - 19

KR8L040AVAV-M1-BL 440 65 - 0,48 - 19

KR8L050AVAV-K1-BL 50

2”

305150 120,7 0

500

- 4,39 - 26

KR8L050AVAV-M1-BL 475 65 - 0,78 - 26

KR8L065AVAV-K1-BL 65

2.1/2”

310180 139,7 0

600

- 5,22 - 45

KR8L065AVAV-M1-BL 480 73 - 1,26 - 45

KR8L080AVAV-K1-BL 80

3”

370190 152,4 0

600

- 4,96 - 65

KR8L080AVAV-M1-BL 530 73 - 2,08 - 65

KR8L100AVAV-K1-BL 100

4”

400230 190,5 0

600

- 10,85 - 110

KR8L100AVAV-M1-BL 555 73 - 3,21 - 110

KR8L125AVAV-K1-BL 125

5”

440255 215,9 0

600

- 14,62 - 168

KR8L125AVAV-M1-BL 620 73 - 5,65 - 168

TYPE KR8LAVAV-BL

Double bellowed, lateral expansion joint with fixed ASME flanges.

STANDARDEJMA 9

ISO 15348

ASME B36.10/B36.19

ASME B16.5

MATERIALBellow / Mid pipe: SS AISI 316

Flanges: carbon steel, protected with anti-corrosion paint

Balancer parts: Galvanized steel or SS A2

OTHER SPECIFICATIONSPressure class bellow: 16 bar

Flange pattern: 150 LBS

Min. 1000 life cycles

ALSO AVAILABLEStainless steel flanges

Custom flange design

POSSIBLE ACCESSORIES Braid

Protection sleeve

Pyro jacket

TECHNICAL DATA

STAINLESS STEEL EXPANSION JOINTK

R8

LAVAV-B

L

E

XPA

NS

ION

JO

INT

BELLOWS & METALLIC HOSES81

CODE DN Lmm

ODmm

Økmm

Movements Spring rates Eff.A

± axmm

± lat.mm

± ang°

± axN/mm

± lat.N/mm

± angNm/°

(cm2)

KR8L150AVAV-K1-BL 150

6”

460280 241,3 0

950

- 20,56 - 239

KR8L150AVAV-M1-BL 650 114 - 5,49 - 239

KR8L200AVAV-K1-BL 200

8”

550345 298,5 0

950

- 32,66 - 400

KR8L200AVAV-M1-BL 730 114 - 11,05 - 400

KR8L250AVAV-K1-BL 250

10”

600405 362 0

950

- 41,14 - 632

KR8L250AVAV-M1-BL 885 114 - 15,58 - 632

KR8L300AVAV-K1-BL 300

12”

660485 431,8 0

950

- 86,1 - 877

KR8L300AVAV-M1-BL 940 114 - 22,76 - 877

KR8L350AVAV-K1-BL 350

14”

720535 476,3 0

950

- 185,76 - 1041

KR8L350AVAV-M1-BL 1220 114 - 28,74 - 1041

KR8L400AVAV-K1-BL 400

16”

900595 539,7 0

1200

- 109,63 - 1349

KR8L400AVAV-M1-BL 1350 157 - 43,07 - 1349

KR8L450AVAV-K1-BL 450

18”

950635 577,9 0

1200

- 278,52 - 1706

KR8L450AVAV-M1-BL 1400 157 - 74,8 - 1706

KR8L500AVAV-K1-BL 500

20”

1040700 635 0

1200

- 272,55 - 2087

KR8L500AVAV-M1-BL 1520 157 - 70,64 - 2087

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KR

8LAVAV-B

L

E

XPA

NS

ION

JO

INT

* THE DIMENSIONS ARE INDICATIVE AND MAY BE CHANGED TO THE DISCRETION OF BME, BEARING THE SAME TECHNICAL PROPERTIES