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 TUBES

CHANNEL / SHELL FLANGE TUBESHEET

GENERAL POINTS:- ALL TYPES OF HEAT EXCHANGERSTEMA CLAUSES DESCRIPTION PROPOSED REQUIRED COMMENTS

R 2.5 TUBE PITCH

C 2.5 TUBE PITCH 28 27.78 ok

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 22.43 23.03 not ok

RCB 4.3 CLEARANCE BETWEEN SHELL I.D.& BAFFLE 3.8 3.2 0kDIAMETER

RCB 4.41 BAFFLE/SUPPORT PLATE THICKNESS 4 3.2

TABLE R 4.41 MINIMUM THICKNESS = 1/8" OR 3.2 MM

TABLE CB 4.41 MINIMUM THICKNESS = 1/16" OR 1.6 MM 4 3.2

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 350 < 51 okI/D OR 51 MM - WHICHEVER GREATER

RCB 4.52 MAXIMUM SPACING BETWEEN BAFFLES 350 > 1524 ok

RCB 4.71 NUMBER AND SIZE OF TIE RODS 4 4 ok

R 4.71 MINIMUM DIAMETER OF TIE ROD 3/8"OR 9.5 MMMINIMUM NUMBERS OF TIE RODS = 4

CB 4.71 MINIMUM DIAMETER OF TIE ROD 1/4"OR 6.4 MM 6 6 okMINIMUM NUMBERS OF TIE RODS = 4

RCB 6.31 PERIPHERAL RING GASKET WIDTH-FOR EXTERNAL JOINTS

RC 6.31 MINIMUM WIDTH = 3/8" OR 9.5 MM FOR SHELLS LESSTHAN 23"(584 MM) I.D. AND 1/2" OR 12.7 MM FOR MORE THAN 23" (584MM) I.D.

B 6.31 MINIMUM WIDTH = 3/8" OR 9.5 MM FOR SHELLS LESSTHAN 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 JOINTSMINIMUM WIDTH = 1/4" (6.4 MM)

RCB 6.4 PASS PARTITION GASKET WIDTH 7 6.4 ok

MINIMUM WIDTH = 1/4" OR 6.4 MM FOR SHELLS LESSTHAN 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 16.67 30 ok

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 ANDSPECIAL CLOASE FIT - FOR ALLOY TUBES

RCB 7.44 TUBE HOLE GROOVING ok

RCB 7.5 EXPANDED TUBE TO TUBESHEET JOINTS ok

RCB 7.52 WELDED TUBE TO TUBESHEET JOINTS na

RCB 7.6 TUBESHEET PASS PARTITION GROOVE 5 4.8 ok

RCB 7.7 TUBESHEET PULLING EYES FOR REMOVABLEBUNDLE 4 2 0k

TEMA CLAUSES DESCRIPTION PROPOSED REQUIRED COMMENTS

RCB 7.8 CLAD AND FACED TUBESHEETS

RB 7.8TUBESHEET SHALL BE 5/16" (7.8MM) WHEN TUBES AREEXPANDED.MIN.CLAD THICKNESS OF 1/8"(3.2MM) WHEN TUBES ARE WELDED TO TUBESHEET.

C 7.8TUBESHEET SHALL BE 3/16" (4.8MM) WHEN TUBES AREEXPANDED.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 25 20 ok

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) 16 ok

B 11.1 THE MINIMUM PERMISSIBLE BOLT DIAMETER IS 5/8" (M16)

RCB 11.21 MINIMUM RECOMMENDED BOLT SPACING ok

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 NUTCLEARANCES

NAME - SIGNATURE / DATE

THE NOMINAL CLAD THICKNESS ON TUBE SIDE FACE OF

THE NOMINAL CLAD THICKNESS ON TUBE SIDE FACE OF


CODE:-





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 DIFFERENTIALEFFECTIVEPRESSURE

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 DESIGNPRESSURE

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 MINIMUM PASS PARTITION PLATE THICKNESS SHALL BEGREATER OF

RCB 9.131 TABLE RCB 9.131 OR

RCB 9.132 PASS PARTTION PLATE THICKNESS FORMULA

RCB 9.133 PASS PARTITION WELD SIZE

RCB 9.2

RCB 9.21 FLAT CHANNEL COVER DEFLECTION -MULTIPASSUNITS

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 BYMANUFACTURER 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 BOTHCORRODED 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

FLAT CHANNEL COVER - GREATER OF FOLLOWING TWO:-

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


CODE:-





U TUBE DESIGN CHECKS-EXAMPLES TYPES:- CFU,BKU,AEUTEMA CLAUSES DESCRIPTION PROPOSED REQUIRED COMMENTS

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 MINIMUM PASS PARTITION PLATE THICKNESS SHALL BEGREATER OF

RCB 9.131 TABLE RCB 9.131 OR

RCB 9.132 PASS PARTTION PLATE THICKNESS FORMULA

RCB 9.133 PASS PARTITION WELD SIZE

RCB 9.2

RCB 9.21 FLAT CHANNEL COVER DEFLECTION -MULTIPASSUNITS

UG-34 ASME SEC.VIII DIV.1 CALCULATIONS

RCB 9.22 CHANNEL COVER PASS PARTITION GROOVES

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

NAME - SIGNATURE / DATE

FLAT CHANNEL COVER - GREATER OF FOLLOWING TWO:-


CODE:-





FLOATING HEAD TUBESHEET DESIGN CHECKS - EXAMPLE TYPES :- AESTEMA CLAUSES DESCRIPTION PROPOSED REQUIRED COMMENTS

RCB 5 FLOATING END CONSTRUCTION

R 5.11 INSIDE DEPTH MINIMUM 1.3 TIMES THEFLOW AREA THROUGH THE TUBES OFONE PASS.

CB 5.11 INSIDE DEPTH MINIMUM EQUALS THEFLOW AREA THROUGH THE TUBES OFONE PASS.

RCB 5.12 POSTWELD HEAT TREATMENT

FABRICATED FLOATING HEAD COVERSSHALL BE POST WELD HEAT TREATED

RCB 5.13 INTERNAL BOLTING

RCB 5.14 FLOATING HEAD BACKING DEVICEMATERIAL.

RCB 5.141 BACKING DEVICE THICKNESSGREATER 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 GASKETSFOR INTERNAL FLOATING HEAD AND AL JOINTSOF 300 PSI AND ABOVE.

CB 6.2 METAL JACKETED OR SOLID METAL GASKETS OVER300 PSI FOR INTERNAL FLOATING HEAD WILL BEUSED.

RCB 7.132 TUBESHEET FORMULA-BENDING

RCB 7.1341 TUBESHEET FORMULA-TUBESHEET FLANGED EXTENSION

- NAME - SIGNATURE / DATE

HEX_GENERALFIXED TSHTU TUBESHTFLOATING TSHT

Heat Exchanger Checklist as Per TEMA

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