Vee Arc
Todays deals on Vee Arc?
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Vee-Arc 931-030 Super 7000 Adjustable Frequency Drive NEW $5,040.77 |
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VEE ARC 931-048 USPP 931048 $5,056.55 |
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VEE-ARC MODEL 931-1014 SUPER 7000 SERIES ADJUSTABLE FREQUENCY DRIVE, MOTOR CONTR $5,040.00 |
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VEE-ARC SUPER 7000 SCF402X3M9XXX1 *NEW* $4,500.00 |
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VEE-ARC SUPER 7000 931-1017 *NICE* $3,000.00 |
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VEE-ARC SUPER 7000 931-1015 *NICE* $3,000.00 |
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VEE-ARC SUPER 7000 931-1016 *NICE* $3,000.00 |
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VEE-ARC SUPER 7000 SVF402X3M9XXX1 *NICE* $3,000.00 |
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VEE-ARC SUPER 7000 SCF402X3M9XXX1 *NICE* $3,000.00 |
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VEE-ARC SUPER 7000 931-030 $2,500.00 |
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VEE ARC 9224600300B USPP 9224600300B $1,357.00 |
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VEE_ARC adjastabli speed drive RIVB EC3 grinder $1,100.00 |
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VEE ARC SCF-401 USPP SCF401 $1,043.63 |
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VEE ARC MCJ411K1 USPP MCJ411K1 $940.70 |
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VEE ARC 404-098 NSPP 404098 $815.92 |
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VEE ARC 930-700 NSPP 930700 $815.92 |
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NEW VEE ARC BOARD CONTROL AND KEY PAD 930 700 V90354 $749.99 |
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VEE ARC 930-700 USPP 930700 $741.75 |
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1 VEE-ARC PC6000-13A REGULATOR CARD Q9-4 $689.99 |
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VEE-ARC 404-098 PC BOARD CONTROL BOARD W/KEYPAD 404098 REV. F $700.00 |
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VEE ARC 404-055F NSPP 404055F $534.75 |
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VEE ARC 404-055F USPP 404055F $485.87 |
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VEE ARC D84047-801 USPP D84047801 $485.87 |
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VEE-ARC SUPER 7000 931-1017 *NEW* $500.00 |
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Vee Arc RIVCL 4 1/2HP Adjustable Speed Motor Controller $395.00 |
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VEE ARC PC7000-900-908 USPP PC7000900908 $434.12 |
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VEE ARC 404-055G USPP 404055G $388.12 |
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VEE-ARC CORP. 900-950 *NEW OUT OF BOX* $400.00 |
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VEE ARC 900-953 USPP 900953 $381.22 |
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VEE ARC PC7000-11J USPP PC700011J $365.13 |
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VEE ARC GAC-A94V0 USPP GACA94V0 $346.15 |
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VEE ARC 404-082C USPP 404082C $342.13 |
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VEE ARC 930-146 USPP 930146 $342.13 |
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VEE ARC 930-111 NSPP 930111 $341.55 |
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VEE ARC 930-135 NSPP 930135 $341.55 |
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VEE ARC 404-055B USPP 404055B $310.50 |
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VEE-ARC 913-111 DYNAMIC BRAKE ASSEMBLY ***XLNT*** $299.00 |
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VEE ARC 900-949 USPP 900949 $264.50 |
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VEE ARC 930-013 USPP 930013 $263.35 |
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VEE ARC PC7000-46 USPP PC700046 $246.10 |
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VEE ARC PC7000-900-788 NSPP PC7000900788 $237.47 |
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VEE ARC PC7000-53 USPP PC700053 $236.90 |
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VEE-ARC CORP. 900-751 *NEW OUT OF BOX* $250.00 |
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VEE-ARC PC7000 *NEW NO BOX* $230.00 |
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VEE ARC 930-110 NSPP 930110 $196.07 |
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PC7000-UQ10 VEE-ARC REGULATOR BOARD NEW $200.00 |
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VEE-ARC CORP PC7000 REGULATOR BOARD *USED* $200.00 |
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VEE ARC 930-110 USPP 930110 $178.25 |
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VEE-ARC CORPORATION 900-753 *USED* $175.00 |
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VEE ARC 930-100 USPP 930100 $143.75 |
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VEE ARC 930-101 USPP 930101 $143.75 |
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VEE ARC 930-107 USPP 930107 $143.75 |
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Vee-Arc Corp. Regulator Board PC7000-10 $150.00 |
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VEE ARC 404-114 USPP 404114 $120.75 |
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VEE ARC 404-112 USPP 404112 $112.12 |
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USED Vee-Arc PC7000 900-723 Circuit Control Board $125.00 |
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USED Vee-Arc PC7000 900-823 Circuit Control Board $125.00 |
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VEE ARC 930-602 NSPP 930602 $87.40 |
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VEE-ARC CORP PCB 404-057C 900-754 V93041 $59.00 |
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VEE-ARC Corp PCB Board 404-085-A -DI- $39.99 |
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VEE-ARC 930-602 PC BOARD WITH KEYPAD 930602 $44.50 |
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NEW VEE ARC DRIVE PCB REGULATOR BOARD PC7000 (2-3-4-62) $9.99 |
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Vee-Arc PWM7000 15 HP Adjustable Frequency AC Drive Model# 8150-A021! $1,900.00 |
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NEW? Vee-Arc Board Control & Key Pad 930-700 #3680 $1,103.00 |
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NEW? Vee-Arc Board Control & Key Pad 930-700, #3682 $1,103.00 |
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Vee-Arc Super 7000 Pulse Width Modulated Adjustable Frequency Control PN#931-550 $1,000.00 |
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VEE-ARC MOTOR CONTROLLER ADJUSTABLE FREQUENCY DRIVE PWM-7000 15HP 15 HP 921-487 $950.00 |
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VEE ARC SUPER 7000 9224600500B 460V 6.6 AMP 5 HP $850.00 |
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VEE-ARC Corp PC6000-10B DC Drive Regulator Board $785.75 |
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VEE-ARC PC7000-10 Regulator Board 404-039 L $575.00 |
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Vee-Arc 930-700 $510.00 |
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Furnas/Vee-Arc MCH411K1 Micro7000 VeeArc VS Drive AFD $485.00 |
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Furnas/Vee-Arc SCF401GH2 5HP Super-7000 VeeArc VS Drive $485.00 |
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VEE-ARC 930-092 BASE DRIVE BOARD 930092 $419.00 |
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VEE ARC MICRC 7000 MCF401K0A1 5 HP $350.00 |
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VEE-ARC 930-140 75HP VFD CHARGER BOARD 930140 $310.00 |
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VEE ARC ADJUSTABLE FREQUENCY DRIVE MCF401A1 460V 7.7 AMP $225.00 |
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VEE-ARC CORP. HIGH PERFORMANCE 3 HP AC SPEED DRIVE $200.00 |
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Vee Arc PCB Base Drive 404-055D #22842 $199.99 |
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VEE-ARC 930-127 VFD BASE DRIVER BOARD 930127 $175.00 |
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VEE-ARC 930-049 VFD CHARGE BOARD 930049 $149.00 |
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VEE-ARC 930-152 VFD CHARGE BOARD 930152 $145.00 |
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VEE-ARC 900-751 10HP VFD CHARGE BOARD 900751 $115.00 |
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VEE-ARC Regulator Board Model: PC7000 $100.00 |
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VEE-ARC 900-752 30HP VFD CHARGE BOARD 900752 $85.00 |
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VeeArc Vee-Arc Micro 7000 User Manual, Original $29.99 |
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VeeArc Vee-Arc Super 7000 User Manual, original $29.99 |
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VeeArc PWM7000 Vee-Arc Installation/ Instruction Manual $29.99 |
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VEE-ARC 900-788 VFD TACH FOLLOWER 900788 $22.88 |
Vee Arc Questions
Procedures to Repair the Bulge on the Shell of a HRT Steam Boiler
All repairs must be acceptable to the governing code jurisdiction (such as NBIC), therefore all methods of repair must have written approval from the Chief Inspector or Authorized Inspector. The guideline to flush patch can be obtained from RD-2060a Flush Patches of NBIC.
Carry out hardness test (DT) on the bulge area to determine extent of defect. Mark out the boundary line of the defective section to be cut out based on acceptable tensile strength obtained. Use Vickers Hardness test (HV) to test for the metal strength of carbon steel. The method of repair is called “flush patch”, which means the shell is cutout around the failure in elliptical or rectangular, and a piece of new boilerplate rolled to correct curvature is inserted with the edge of original shell and patch butt-welded. For rectangular shape, provide accurate radius as square corners shall be avoided.
Refer the manufacturer’s blueprint on the material specifications of the shell and the patches shall be made from the material that is equal in quality and thickness to the original material. The edge shall align without overlap. Weld preparation to be double “vee” with an included angle of 60o to 70o. The gas tungsten arc welding (GTAW) shall be used for the initial pass joining the patch to shell. The balance of the weld shall be manual shielded metallic arc welding using low hydrogen electrodes confirmed to ASME Code Sect IX.
Weld the inside first, then back gouge on the outside. Grind the sound metal before continuing the welding on the outside. Grind flush the accessible surface, and after completion of welding, visually check for weld undercut and repair if necessary. Refer the manufacturer’s blueprint on the NDT used during construction, and normally the weld on flush patch of shell is 100% radiographed. Acceptance of weld is in accordance with ASME Code or BS 2970 code. Post weld heat treatment (PWHT) is to be done to relieve the residual stress on the heat affected zone (HAZ). Carryout hydrostatic test on the boiler. Test pressure shall be 1.5 times the design pressure. The holding time is 10 minutes.
About the Author
You can find many other procedures on various aspects in operation, repairs, safety, etc. in the 101 Q&A: Practical Knowledge of Power Boilers e-book. The questions and answers presented in the ebook are concise and clear. The eBook provides you with over 1,000 sample licensing examination questions and answers along with very helpful illustrations; all the important materials necessary to prepare you as a knowledgeable and competent boiler operator or steam engineer. Visit http://www.boiler-ebook.com and you are welcome to view the contents of the e-book.
Vee Arc Videos
Arc Welding 3 Part2
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