LSP COMPLEX PROJECT LONC SON, PETROCHEM/CALS Long Son Petrochemicals Co., Ltd. Contract No : LSP-CA-134 Contract name : PACKAGE G CENTRAL UTILITY PLANT Page:1 of 14 Annex C - Mechanical Specification ME-006: Plate Heat Exchanger ANNEX C - MECHANICAL SPECIFICATION ME-006: PLATE HEAT EXCHANGER Confidential: This document is confidential and must not be copied or reproduced except with the express permission of Long Son Petrochemicals Co., Ltd. pC5 LSP COMPLEX PROJECT L011/6" SON! Contract name : PETROCHEMICALS Long Son Petrochemicals Co., Ltd. Contract No : LSP-CA-134 PACKAGE G CENTRAL UTILITY PLANT Page:2 of 14 Annex C - Mechanical Specification ME-006: Plate Heat Exchanger INDEX 1. 2. GENERAL 3 1.1 SCOPE 1.2 CODES AND STANDARDS 3 3 BASIC DESIGN 4 2.1 GENERAL 2.2 MECHANICAL 2.3 PLATES 2.4 FIXED AND MOVABLE COVERS 2.5 TIGHTENING BOLTS AND NUTS 2.6 CARRYING AND GUIDE BARS 2.7 SUPPORTS 2.8 CONNECTIONS 2.9 PLATE GASKETS 4 5 6 7 8 8 9 9 9 3. TESTING 12 4. MISCELLENEOUS 12 4.1 PAINTING 4.2 PREPARATION FOR SHIPMENT 4.3 NAMEPLATES 12 12 13 ADDENDUM 14 5. Confidential: This document is confidential and must not be copied or reproduced except with the express PC5 permission of Long Son Petrochemicals Co., Ltd. tk LSP COMPLEX PROJECT LONGSON, Contract name : PACKAGE G CENTRAL UTILITY PLANT PETROCHEMICALS Long Son Petrochemicals Co., Ltd. Page:3 of 14 Annex C - Mechanical Specification ME-006: Plate Heat Exchanger Contract No : LSP-CA-134 GENERAL Scope This specification covers, in general, requirements for the design, materials, fabrication, testing, and painting of gasketed or welded Plate Heat Exchangers. This specification does not cover spiral plate type heat exchangers. 1.1.2 Alternatives on different methods of fabrication may be submitted as the option of Contractor, providing such alternatives are clearly indicated and quoted as additions or deductions to the basic bid. 1.2 Codes and Standards 1.2.1 The plate type heat exchanger shall be designed, fabricated and tested in accordance with the applicable sections of the ASME Code of Unfired Pressure Vessels Section VIII, Division 1, latest edition (with latest Addenda) and the related project specification in Annex C. 1.2.2 Additional Codes and Standards • ASME Section II • ASME Section V Nondestructive Testing • ASME Section IX Welding and Brazing Qualifications • ANSI B1.1 Screw Threads • ANSI 816.5 Steel Pipe and Flanges and Flanged Fittings • ANSI 816.9 Steel Butt Welded Fittings • ANSI B1 E.11 Forged Steel Fittings, Socket Welding and Threaded API 662 Plate Material Specification, Part A and B Heat Exchangers for General Refinery Services vpt Confidential: This document is confidential and must not be copied or reproduced except with the express permission of Long Son Petrochemicals Co., Ltd. PAS LSP COMPLEX PROJECT LONG' SON, Contract name : PETROCHEN/CALS Long Son Petrochemicals Co., Ltd. Contract No : LSP-CA-134 1.2.3 PACKAGE G CENTRAL UTILITY PLANT Page:4 of 14 Annex C - Mechanical Specification ME-006 : Plate Heat Exchanger Project specification Contractor is responsible to design Equipment corresponding to all project specifications of all disciplines such as Noise Control, Test and Inspection, Painting, Instrument, etc. 2. BASIC DESIGN 2.1 General 2.1.1 Plate type heat exchanger shall not be applicable for fouling fluid. 2.1.2 The exchanger shall be of a single pass, counter-current flow design to facilitate access to the plate pack for maintenance and to enable cleaning by back-flushing. 2.1.3 The frame of the exchanger shall be designed to permit the future installation of a minimum 25 percent additional plates. 2.1.4 The fouling resistances shown in "Table 1" shall be used. 2.1.5 Exchanger Design shall keep to a minimum number of different types of plates offered unless an appreciable capital savings is realized. Parallel flow plates are preferred over diagonal flow plates. 2.1.6 Flow area of the ports shall be such that the entrance and exits pressure drops combined are not more than 30 % of the total calculated pressure drop 2.1.7 Design shall maximize liquid velocity between plates within the pressure drop restrictions to reduce the fouling rate and to produce high heat transfer coefficients. 2.1.8 Confidential: Velocity of cooling flow between plates shall not be less than 1.3 m / sec. VPr This document is confidential and must not be copied or reproduced except with the express Pcs permission of Long Son Petrochemicals Co., Ltd. LSP COMPLEX PROJECT LOAIGSON, Contract name : PACKAGE G CENTRAL UTILITY PLANT PETROCHEM/CALS Long Son Petrochemicals Co., Ltd. Annex C - Mechanical Specification ME-006: Plate Heat Exchanger Contract No : LSP-CA-134 2.1.9 Page:5 of 14 The maximum velocity through the exchanger inlet and outlet nozzles shall be: 2.1.10 Carbon Steel 3 m / sec Stainless Steel 4.8 m / sec Titanium 6 m/sec Copper is not allowed for plate type heat exchanger. 2.1.11 For gas stripping fluid applications (amines, selexols, etc.) where alternative multi-pass designs are offered, the exchanger shall have a maximum of two passes to prevent gas pocketing. 2.1.12 Exchanger nozzles shall match the nominal port sizes. 2.2 Mechanical 2.2.1 The design temperature shall be used for the design metal temperature of the ports, end plates, connector plate, and the fixed and movable covers. 2.2.2 The exchanger shall be stamped for the maximum allowable working pressure based on the actual metal thickness less corrosion allowance, if any, at design temperature 2.2.3 Carbon steel ports shall have a minimum corrosion allowance of 1.5 mm. All alloy and alloy lined material will have no corrosion allowance unless otherwise specified. Alloy linings shall not be considered in strength calculations. vp, Confidential: This document is confidential and must not be copied or reproduced except with the express permission of Long Son Petrochemicals Co., Ltd. pcs LSP COMPLEX PROJECT LONG SON! Contract name : PETROCHEN/CALS Long Son Petrochemicals Co., Ltd. Contract No : LSP-CA-134 PACKAGE G CENTRAL UTILITY PLANT Page:6 of 14 Annex C - Mechanical Specification ME-006: Plate Heat Exchanger 2.3 Plates 2.3.1 Plates shall be designed for full differential pressure, with one side at the design pressure and the other side at atmospheric pressure. 2.3.2 The minimum thickness of plates before pressing shall be 0.6 mm nominal. 2.3.3 Port holes not feeding passes between plates shall be fully gasketed and vented to the atmosphere. 2.3.4 Design of plates shall be such that metal-to-metal contact exists between adjacent plates. 2.3.5 Plates shall be fully supported from the top carrying bar and guided only by the bottom bar. The plates shall have integrally reinforced slots. 2.3.6 End plates shall be furnished at the fixed and movable cover to provide sealing of the first and last flow channel and provide support to the adjacent plate. 2.3.7 Plate alignment shall be accomplished mechanically with the aid of the carry and guide bars. Designs which require the use of gaskets to achieve satisfactory plate alignment are not acceptable. The use of hanging clips on plates for alignment (round or square carrying bars) is limited to plates of a maximum length of one meter. 2.3.8 A removable metal shroud shall be provided by the Vendor to completely cover the top and sides of the plate pack. 2.3.9 Each plate shall be permanently marked to identify the type and orientation. 2.3.10 Plates shall be replaceable individually without requiring removal of any other plate(s). PCS Confidential: This document is confidential and must not be copied or reproduced except with the express permission of Long Son Petrochemicals Co., Ltd. LSP COMPLEX PROJECT LONGSON, Contract name : PETROCHEAf/CVS Long Son Petrochemicals Co., Ltd. Contract No : LSP-CA-134 PACKAGE G CENTRAL UTILITY PLANT Page:7 of 14 Annex C - Mechanical Specification ME-006: Plate Heat Exchanger 2.3.11 On alternative designs with multi-pass configuration, the multi-pass turning plates shall be normal channel plates for port sizes up to and including 6 inch. Above 6 inch ports, the turning plate shall be 1/4 inch thick carbon steel material with port linings appropriate for the fluid service intended. 2.3.12 Plates shall be pressed on a homogeneous sheet in one step. Incremental pressing of plates along its length is prohibited. 2.4 Fixed and Movable Covers 2.4.1 Single pass counter-current design shall have all nozzle connections located in the fixed cover. 2.4.2 Slotted holes for tie bars shall be uniformly distributed around the periphery of the covers. 2.4.3 The movable cover shall be supported from the top carrying bar by means of roller bearings and guided by the bottom bar. 2.4.4 Cover design shall not include stiffeners. 2.4.5 Carbon steel cover plates must satisfy the requirements of paragraph UCS66 of the ASME Code, Section VIII, Division 1 in regard to impact testing. 2.4.6 All welded attachments to covers, including nameplate brackets, nozzle reinforcement, etc. shall be continuously welded to the covers. These welds shall be dye checked or magnetic particle examined to insure that there is no leakage Confidential: This document is confidential and must not be copied or reproduced except with the express permission of Long Son Petrochemicals Co., Ltd. pcs LSP COMPLEX PROJECT LONG SOAti Contract name : PACKAGE G CENTRAL UTILITY PLANT .0E7-ROCHE-MAWS Long Son Petrochemicals Co., Ltd. Contract No : LSP-CA-134 Page:8 of 14 Annex C - Mechanical Specification ME-006: Plate Heat Exchanger 2.5 Tightening Bolts and Nuts 2.5.1 The tightening bolt length shall accommodate the provision provided for future plates. 2.5.2 The minimum diameter of the tightening bolt shall be M19. 2.5.3 The stationary end of the tightening bolt shall have a mechanically attached captive nut. Welding of the nut to the tightening bolt is not permitted. A locking device shall be used on one end to prevent bolt rotation during bolt tightening and loosening. Washers shall be provided on both ends of the tightening bolt. 2.5.4 Contractor shall specify and provide any special tightening devices required for seating the plate pack. 2.5.5 Preference shall be given to units with the fewest tightening bolts required for plate pack tightening. 2.6 Carrying and Guide Bars 2.6.1 A smooth surface shall be provided for the roller bearing carrying groove for the whole length of the carrying bar. Aluminum components are not allowed. 2.6.2 The carrying bar shall be designed to support 1.5 times the weight of a flooded exchanger, movable cover, tie-bars, nuts and nozzles. 2.6.3 The design of the carrying and guide bars shall provide for individual plate removal. If dropout slots in the carrying bar are intended, the number of slots provided shall be informed. The method of plate removal shall be provided. 2.6.4 Carrying bars and guide bars shall be fabricated from a single length of material. Bolted splices are not allowed. Vi) Confidential: This document is confidential and must not be copied or reproduced except with the express permission of Long Son Petrochemicals Co., Ltd. PCS LSP COMPLEX PROJECT LONGSON, Contract name : PACKAGE G CENTRAL UTILITY PLANT PETROCHEM/CALS Long Son Petrochemicals Co., Ltd. Annex C - Mechanical Specification ME-006: Plate Heat Exchanger Contract No : LSP-CA-134 2.7 Page:9 of 14 Supports Supports shall be furnished at both ends of the frame. 2.8 Connections 2.8.1 All inlet and outlet connections shall be extended flange construction. The use of bolted spool pieces for extended nozzles is prohibited. Unless otherwise noted, the flange facing shall be raised face. 2.8.2 The exchanger shall be fully self-draining and self-venting through the nozzles for all pass arrangements. 2.8.3 Nozzle projections shall be of sufficient length to insure installation and removal of nozzle flange bolts. 2.8.4 Nozzles located in the movable cover shall be provided with 90 degree long radius elbows to facilitate opening the plate pack without disturbing the piping. 2.8.5 Nozzle neck attachment to the cover shall be of welded construction. Screwed back-up flanges shall not be used. 2.8.6 Nozzle sizes of 1-1/4", 2-1/2", 3-1/2", or 5" shall not be used. 2.9 Plate Gaskets 2.9.1 Gaskets must be suitable for a minimum of three (3) year continuous operation at the design temperature and design pressure without failure except that for these has standby unit which requires minimum one (1) years continuous operation. temperature/pressure Reduced limitations temperature/pressure is not permitted. Confidential: gasket below the life due to specified gasket design Up This document is confidential and must not be copied or reproduced except with the express permission of Long Son Petrochemicals Co., Ltd. 9CS LSP COMPLEX PROJECT LONG' SON! Contract name : PETROCHEAUCALS Long Son Petrochemicals Co., Ltd. Contract No : LSP-CA-134 2.9.2 PACKAGE G CENTRAL UTILITY PLANT Page:10 of 14 Annex C - Mechanical Specification ME-006: Plate Heat Exchanger Gaskets shall be positioned in a groove around the heat transfer surface and around the port holes of the plate. The grooves shall be designed to prevent over/under compression of the gaskets when the plate pack is compressed to its design value. 2.9.3 All gaskets, except between end plates and heads, shall be identical. Gaskets must be one piece molded. 2.9.4 Gasket design shall allow a metal-to-metal contact between plates when plate pack is compressed. 2.9.5 Gaskets attachment may be glued or non-glued. The use of non-glued gasket shall be used, in higher fouling services. 2.9.6 The gasket plate surface shall be thoroughly cleaned by means of solvent cleaning or mechanical means and dried before the application of the gasket. Emery cloth or abrasive powders shall not be used to clean out the gasket grooves. 2.9.7 For glued-in gaskets, the cleaned groove shall have a compatible heat cured adhesive material applied and the gasket installed. All plates with gaskets shall be stacked in a fixture to align the gaskets, placed under slight compression to remove air pockets, and heat cured at a temperature at least as high as the maximum temperature the gasket material can operate safely. The curing time shall be at least one hour, or as recommended by the adhesive Manufacturer. Deformed gaskets must be replaced. 2.9.8 Relieving grooves shall be provided where internal seals are used to prevent cross contamination of fluids. The grooves must allow all seal leaks to be visually evident at the outside surface of the plate pack. 2.9.9 Confidential: At least 10% of elastomer gaskets shall be subjected to hardness test prior pcs This document is confidential and must not be copied or reproduced except with the express permission of Long Son Petrochemicals Co., Ltd. LSP COMPLEX PROJECT LONGSON, Contract name : PETROCHEAUCALS Long Son Petrochemicals Co., Ltd. Contract No : LSP-CA-134 PACKAGE G CENTRAL UTILITY PLANT Page:11 of 14 Annex C - Mechanical Specification ME-006: Plate Heat Exchanger to installation. Gasket hardness must be within 10% of the manufacturer's recommended hardness value. 2.9.10 Permanent lifting lugs shall be provided to handle the exchanger. The lugs shall be designed to support twice the maximum exchanger dry weight. The lifting lug shall be a welded-on type with a machined hole no less than 25 mm in diameter. 2.9.11 Unless otherwise noted on the data sheets, materials of construction shall be: • Frame and movable cover: Carbon Steel SA-516 Grade 70 • Plates: As shown on Data Sheet. • Tie bars: SA-193 B7. • Nuts: SA-194 2H. • Carry Bar and Guide Bar: Stainless steel. • Gaskets: by Vendor, unless otherwise noted. Nameplates: Austenitic stainless steel. 2.9.12 All surfaces in contact with the fluids (including liners if applicable) shall be made of the same material specified for the plate on the data sheet. 2.9.13 As a minimum, gasket material shall be suitable for 3 to 4 years of leakproof service. 2.9.14 On welded plates, welding methods must be detailed and submitted to Company for approval. \f ic„ Confidential: This document is confidential and must not be copied or reproduced except with the express PCS permission of Long Son Petrochemicals Co., Ltd. LSP COMPLEX PROJECT LOAIGSON, Contract name : PETROCHEAUCALS Long Son Petrochemicals Co., Ltd. Contract No : LSP-CA-134 PACKAGE G CENTRAL UTILITY PLANT Page:12 of 14 Annex C - Mechanical Specification ME-006: Plate Heat Exchanger 3. TESTING 3.1 After complete assembly and before shipment, the exchanger shall be hydrostatic tested in accordance with the requirements of ASME Section VIII Division 1. Each side shall be tested independently of the other. 3.2 The test pressure shall be held for a minimum of one hour on each side. 3.3 The minimum water temperature for hydrostatic testing shall be 15°C or per Paragraph UCS-66 of ASME Code, Section VIII, Div. 1. 3.4 The chloride content of water used for hydrostatic testing shall not exceed 20 PPM when the exchanger contains austenitic stainless steel material. For other materials, less than 50 ppm. chloride content test water shall be used. 4. MISCELLENEOUS 4.1 Painting The external portions of each heat exchanger, except the machined surfaces of flanges and other gasket surfaces, shall be painted in accordance with the Painting Specification, No. SP-009. 4.2 Preparation for Shipment 4.2.1 The exchanger shall be cleaned and thoroughly dried after hydrotest. Flanged connections shall be protected against corrosion by the application of an easily removable rust preventative coating, rubber gasketed and be provided with metal or wooden cover plates. 4.2.2 Machined surfaces exposed to the atmosphere shall be suitably protected during shipment by means of an easily removable rust preventive coating of satisfactory consistency. Equipment shall be protected from corrosion as, V" This document is confidential and must not be copied or reproduced except with the express Cb Confidential: permission of Long Son Petrochemicals Co., Ltd. lk LSP COMPLEX PROJECT LOillt6" SON, Contract name : PETROCNEAUCALS Long Son Petrochemicals Co., Ltd. Contract No : LSP-CA-134 PACKAGE G CENTRAL UTILITY PLANT Page:13 of 14 Annex C - Mechanical Specification ME-006: Plate Heat Exchanger per SP-010 Equipment preservation. Bolts, studs, and stud bolts shall be lubricated with a molybdenum disulfide 4.2.3 composition, and provided with protective sleeves. 4.3 Nameplates 4.3.1 A nameplate shall be permanently attached to the plate-and-frame heat exchanger. As minimum the nameplate shall show the data as stated in Project 4.3.2 Specification for Pressure Vessel ME-001. Table 1: Fouling factor of each fluid • • " ,_ , ..- .. — ' • '•---:' WATER kri41CM1-0.7-igegi-iM „:" ' - = -'• - - qd 'adirg-0404110).- LOW HIGH Demineralized Closed 0.00000 0.000006 Loop Systems 0.00000 0.000001 Cooling Tower 0.0001 0.0003 0.000017 0.00005 0.0002 0.0004 0.000035 0.00007 Coastal Ocean River Engine Jacket - +7'* ORGANICS 0.0001 0.00025 Seal oil 0.000017 0.00005 Crude oil 0.00005 0.0001 0.00001 0.000017 0.00005 0.0003 0.00001 0.00005 Lubricating oil Process streams VA Confidential: This document is confidential and must not be copied or reproduced except with the express Pis permission of Long Son Petrochemicals Co., Ltd. 1/c LSP COMPLEX PROJECT LONGSOA/1 PETROCHEAUCALS Long Son Petrochemicals Co., Ltd. Contract No : LSP-CA-134 5. Contract name : PACKAGE G CENTRAL UTILITY PLANT Page:14 of 14 Annex C - Mechanical Specification ME-006: Plate Heat Exchanger ADDENDUM None Confidential: This document is confidential and must not be copied or reproduced except with the express permission of Long Son Petrochemicals Co., Ltd. PCS