Heat Exchanger checklist as per TEMA

FILE REF:-

CLIENT:-

MANUFAC.

CODE:TYPE OF EXCHANGER:- (FIG.N2)

INSIDE DIAMETER :-(RCB 3.11)

TUBE LENGTH:-(RCB2.11) MATERIAL OF CONSTRUCTION:- SHELL CHANNEL / SHELL FLANGE

CHANNEL SHELL

TUBES

TUBESHEET

GENERAL POINTS:- ALL TYPES OF HEAT EXCHANGERS TEMA CLAUSES DESCRIPTION

PROPOSED

REQUIRED

COMMENTS

28

27.78

ok

R 2.5

TUBE PITCH

C 2.5

TUBE PITCH

B 2.5

TUBE PITCH

RCB 3.13

MINIMUM SHELL / CHANNEL SHELL THICKNESS

8

0k

RCB 3.2

SHELL COVER THICKNESS

8

8 0k

RCB 4.2

TUBE HOLES IN BAFFLES

RCB 4.3

CLEARANCE BETWEEN SHELL I.D.& BAFFLE DIAMETER

RCB 4.41

BAFFLE/SUPPORT PLATE THICKNESS

TABLE R 4.41

MINIMUM THICKNESS = 1/8" OR 3.2 MM

TABLE CB 4.41

MINIMUM THICKNESS = 1/16" OR 1.6 MM

RCB 4.42

LONGITUDINAL BAFFLE THICKNESS:-

R 4.42

LONGITUDINAL BAFFLE THICKNESS FOR C.S.= & ALLOY = MINIMUM 1/4" (6.4 MM)

CB 4.42

LONGITUDINAL BAFFLE THICKNESS FOR C.S.= 1/4(6.4 MM) & ALLOY 1/8" (3.2MM)

RCB 4.51

MINIMUM SPACING NOT LESS THAN 1/5 SHELL I/D OR 51 MM - WHICHEVER GREATER

350 < 51

ok

RCB 4.52

MAXIMUM SPACING BETWEEN BAFFLES

350 > 1524

ok

RCB 4.71

NUMBER AND SIZE OF TIE RODS

R 4.71

MINIMUM DIAMETER OF TIE ROD 3/8"OR 9.5 MM MINIMUM NUMBERS OF TIE RODS = 4

CB 4.71

MINIMUM DIAMETER OF TIE ROD 1/4"OR 6.4 MM MINIMUM NUMBERS OF TIE RODS = 4

RCB 6.31

PERIPHERAL RING GASKET WIDTH-FOR EXTERNAL JOINTS MINIMUM WIDTH = 3/8" OR 9.5 MM FOR SHELLS LESS THAN 23"(584 MM) I.D. AND 1/2" OR 12.7 MM FOR MORE THAN 23" (584MM) I.D.

RC 6.31

B 6.31

MINIMUM WIDTH = 3/8" OR 9.5 MM FOR SHELLS LESS THAN 23"(584 MM) I.D. AND 1/2" OR 12.7 MM FOR MORE THAN 23" (584MM) I.D.

RCB 6.32

PERIPHERAL RING GASKET WIDTH-FOR INTERNAL JOINTS MINIMUM WIDTH = 1/4" (6.4 MM)

RCB 6.4

PASS PARTITION GASKET WIDTH

22.43 3.8

23.03 not ok 3.2 0k

4

3.2

4

3.2

4

4 ok

6

6 ok

7

6.4 ok

16.67

30 ok

MINIMUM WIDTH = 1/4" OR 6.4 MM FOR SHELLS LESS THAN 23"(584 MM) I.D. AND 3/8" OR 9.5 MM FOR MORE THAN 23" (584MM) I.D. RCB 6.5

GASKET JOINT DETAILS

R 6.5

GASKET JOINT SHALL BE CONFINED TYPE.

CB 6.5

GASKET JOINT SHALL BE CONFIRNED OR NON CONFINED TYPE

RCB 7.13

MINIMUM TUBESHEET THICKNESS FOR EXPANDED TUBE JOINTS

RCB 7.132

TUBESHEET BENDING FORMULA

RCB 7.134

TUBESHEET FORMULA FOR FLANGED EXTENSION

RCB 7.41

TUBE HOLE DIAMETERS IN TUBESHEETS

STANDARD FIT - FOR C.S.TUBES AND SPECIAL CLOASE FIT - FOR ALLOY TUBES RCB 7.44

TUBE HOLE GROOVING

RCB 7.5

EXPANDED TUBE TO TUBESHEET JOINTS

RCB 7.52

WELDED TUBE TO TUBESHEET JOINTS

RCB 7.6

TUBESHEET PASS PARTITION GROOVE

TUBESHEET PULLING EYES FOR REMOVABLE BUNDLE TEMA CLAUSES DESCRIPTION

ok ok na 5

4.8 ok

RCB 7.7

RCB 7.8

CLAD AND FACED TUBESHEETS

RB 7.8

THE NOMINAL CLAD THICKNESS ON TUBE SIDE FACE OF TUBESHEET SHALL BE 5/16" (7.8MM) WHEN TUBES ARE EXPANDED.MIN.CLAD THICKNESS OF 1/8"(3.2MM) WHEN TUBES ARE WELDED TO TUBESHEET.

C 7.8

THE NOMINAL CLAD THICKNESS ON TUBE SIDE FACE OF TUBESHEET SHALL BE 3/16" (4.8MM) WHEN TUBES ARE EXPANDED.MIN.CLAD THICKNESS OF 1/8"(3.2MM) WHEN TUBES ARE WELDED TO TUBESHEET.

RCB 8.0

EXPANSION BELLOW CALCULATIONS

RCB 8.10

MINIMUM THICKNESS OF EXPANSION BELLOW

RCB 10.31

VENT AND DRAIN CONNECTIONS

RCB 10.4

STACKED UNITS NOZZLE CONNECTIONS

RCB 10.6

NOZZLE LOADINGS

RCB 11

END FLANGES AND BOLTING

R 11.1

THE MINIMUM PERMISSIBLE BOLT DIAMETER IS 3/4" (M20)

C 11.1

THE MINIMUM PERMISSIBLE BOLT DIAMETER IS 1/2" (M12)

B 11.1

THE MINIMUM PERMISSIBLE BOLT DIAMETER IS 5/8" (M16)

RCB 11.21

MINIMUM RECOMMENDED BOLT SPACING

RCB 11.22

MAXIMUM RECOMMENDED BOLT SPACING

RCB 11.23

LOAD CONCENTRATION FACTOR

RCB 11.24

BOLT ORIENTATION

RCB 11.3

MINIMUM RECOMMENDED WRENCH AND NUT CLEARANCES

NAME -

4

PROPOSED

2 0k

REQUIRED

25

COMMENTS

20 ok

16 ok

ok

SIGNATURE / DATE

FILE REF:-

CLIENT:-

MANUFAC.

CODE:TYPE OF EXCHANGER:- (FIG.N2)

INSIDE DIAMETER :-(RCB 3.11)

TUBE LENGTH:-(RCB2.11) MATERIAL OF CONSTRUCTION:- SHELL CHANNEL / SHELL FLANGE

CHANNEL SHELL

TUBES

TUBESHEET

FIXED TUBESHEET DESIGN CHECK - EXAMPLES TYPES - AEM,BEM,NEN,BJM,AJM,CEN RCB 7.132

TUBESHEET -BENDING FORMULA

RCB 7.1341

TUBESHEET EXTENSION FORMULA

RCB 7.15

DOUBLE TUBESHEET DESIGN

RCB 7.161

EQUIVALENT DIFFERENTIALEFFECTIVE PRESSURE

RCB 7.162

EQUIVALENT BOLTING PRESSURE

RCB 7.163

EFFECTIVE SHELL SIDE DESIGN PRESSURE

RCB 7.164

EFFECTIVE TUBE SIDE DESIGN PRESSURE

RCB 7.165

EFFECTIVE DIFFERENTIAL DESIGN PRESSURE

RCB 7.2

SHELL AND TUBE LONGITUDINAL STRESSES

RCB 7.21

HYDROSTATIC TEST

RCB 7.22

SHELL LONGITUDINAL STRESSES

RCB 7.23

TUBE LONGITUDINAL STRESSES

RCB 7.24

ALLOWABLE TUBE COMPRESSIVE STRESS

RCB 7.25

TUBE TO TUBESHEET JOINT LOADS

RCB 8

FLEXIBLE SHELL ELEMENTS

RCB 9.13 RCB 9.131

MINIMUM PASS PARTITION PLATE THICKNESS SHALL BE GREATER OF TABLE RCB 9.131 OR

RCB 9.132

PASS PARTTION PLATE THICKNESS FORMULA

RCB 9.133

PASS PARTITION WELD SIZE

RCB 9.2

FLAT CHANNEL COVER - GREATER OF FOLLOWING TWO:-

RCB 9.21

FLAT CHANNEL COVER DEFLECTION -MULTIPASS UNITS

UG-34

ASME SEC.VIII DIV.1 CALCULATIONS

RCB 9.22

CHANNEL COVER PASS PARTITION GROOVES

SPECIAL NOTES FOR FIXED TUBESHEET DESIGN: 1) SURVEYOR TO ENSURE THAT ALL CASES OF DESIGN OF TUBESHEET I.E.OPERATING,START-UP,SHUT DOWN,DESIGN HAS BEEN PROVIDED BY MANUFACTURER ON THE DRAWING (IF INDICATED IN EITHER DRAWINGS,DATASHEET OR CLIENTS DATASHEET) 2) SURVEYOR TO ENSURE THAT IF TUBESHEET IS WITH CORROSION ALLOWANCE ,MANUF.HAS PROVIDED TUBESHEET CALCULATIONS FOR BOTH CORRODED AND UNCORRODED CONDITION WITH FOUR POINTS TO BE CHECKED I.E.a) SHELL TENSILE STRESS b) TUBE TENSILE STRESS c) SHELL COMPRESSIVE STRESS d) TUBE COMPRESSIVE STRESS.ALL a,b,c,d SHALL BE WITHIN ALLOWABLE STRESS VALUES. 3) IF THE STRESSES ARE MORE THEN EXPANSION BELLOW IS REQUIRED.SURVEYOR TO CHECK BELLOW DESIGN FOR CORRODED AND UNCORRODED

DESIGN CONDITION ALONGWITH TUBESHEET DESIGN. 4) BELLOW DESIGN SHALL BE AS PER EITHER TEMA OR EJMA.ENGINEER TO CHECK MANUFACTURERS CALCULATIONS. 5) WHEN BELLOWS ARE USED,TUBE TO TUBESHEET JOINT LOAD INCREASES,AND HENCE ENGINEER TO ENSURE THIS LOAD IS WITHIN ALLOWABLE LIMITS. -

NAME -

SIGNATURE / DATE

FILE REF:-

CLIENT:-

MANUFAC.

CODE:TYPE OF EXCHANGER:- (FIG.N2)

INSIDE DIAMETER :-(RCB 3.11)

TUBE LENGTH:-(RCB2.11) MATERIAL OF CONSTRUCTION:- SHELL CHANNEL / SHELL FLANGE

CHANNEL SHELL

TUBES

TUBESHEET

U TUBE DESIGN CHECKS-EXAMPLES TYPES:- CFU,BKU,AEU TEMA CLAUSES DESCRIPTION RCB 2.31

U BEND REQUIREMENT

RCB 2.4

TUBE PATTERN

RCB 2.5

TUBE PITCH

RCB 4.54

U-TUBE REAR SUPPORT

RCB 4.9

KETTLE TYPE REBOILERS

RCB 7.1342

TUBESHEET FLANGED EXTENSION

RCB 9.13 RCB 9.131

MINIMUM PASS PARTITION PLATE THICKNESS SHALL BE GREATER OF TABLE RCB 9.131 OR

RCB 9.132

PASS PARTTION PLATE THICKNESS FORMULA

RCB 9.133

PASS PARTITION WELD SIZE

RCB 9.2

FLAT CHANNEL COVER - GREATER OF FOLLOWING TWO:-

RCB 9.21

FLAT CHANNEL COVER DEFLECTION -MULTIPASS UNITS

UG-34

ASME SEC.VIII DIV.1 CALCULATIONS

RCB 9.22

CHANNEL COVER PASS PARTITION GROOVES

PROPOSED

REQUIRED

NOTES:- FOR U TUBES,CHANNEL SHELL WILL HAVE ATLEAST ONE PASS PARTITION PLATE.I.E.1:2 IS THE MINIMUM CONFIGURATION. NAME -

SIGNATURE / DATE

COMMENTS

FILE REF:-

CLIENT:-

MANUFAC.

CODE:TYPE OF EXCHANGER:- (FIG.N2)

INSIDE DIAMETER :-(RCB 3.11)

TUBE LENGTH:-(RCB2.11) MATERIAL OF CONSTRUCTION:- SHELL CHANNEL / SHELL FLANGE

CHANNEL SHELL

TUBES

TUBESHEET

FLOATING HEAD TUBESHEET DESIGN CHECKS - EXAMPLE TYPES :- AES TEMA CLAUSES DESCRIPTION PROPOSED RCB 5

FLOATING END CONSTRUCTION

R 5.11

INSIDE DEPTH MINIMUM 1.3 TIMES THE FLOW AREA THROUGH THE TUBES OF ONE PASS.

CB 5.11

INSIDE DEPTH MINIMUM EQUALS THE FLOW AREA THROUGH THE TUBES OF ONE PASS.

RCB 5.12

POSTWELD HEAT TREATMENT

REQUIRED

FABRICATED FLOATING HEAD COVERS SHALL BE POST WELD HEAT TREATED RCB 5.13

INTERNAL BOLTING

RCB 5.14

FLOATING HEAD BACKING DEVICE MATERIAL.

RCB 5.141

BACKING DEVICE THICKNESS GREATER OF THE FOLLOWING TWO

RCB 5.141

BACKING DEVICE THICKNESS FOR TYPE "S" EXCHANGER

ASME

SECTION VIII DIV.1 APPENDIX 2 CL.2-9

RCB 5.15

TUBE BUNDLE SUPPORTS

RCB 5.17

PASS PARTITION PLATES

RCB 6.2

TYPE OF GASKETS

R 6.2

METAL JACKETED OR SOLID METAL GASKETS FOR INTERNAL FLOATING HEAD AND AL JOINTS OF 300 PSI AND ABOVE.

CB 6.2

METAL JACKETED OR SOLID METAL GASKETS OVER 300 PSI FOR INTERNAL FLOATING HEAD WILL BE

USED. RCB 7.132

TUBESHEET FORMULA-BENDING

RCB 7.1341

TUBESHEET FORMULA-TUBESHEET FLANGED EXTENSION

-

NAME -

SIGNATURE / DATE

COMMENTS