Pipe Bender
Jul/080
Pipe Bender
Electric Equipment, Tools, Meters
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 GREENLEE 882 HYDRAULIC CONDUIT PIPE BENDER 125 2 EMT  US $300.00
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 INDUSTRIAL PIPE BENDER HAND LEVER MISSING NO RESERVE US $2.99
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 Greenlee Hickory 512 Pipe Bender 3 4 Rigid NEW US $25.00
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 CBI CT364A12 Tubing Bender 3 4 Pipe AC HVAC TOOLS A C US $27.95
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 NEW Greenlee 555 Conduit Pipe Bender 2 Shoes 2 Rollers US $5,225.00
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 GREENLEE 555 Conduit Pipe Bender 5 SHOES 4 ROLLERS US $6,465.00
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 Pipe Bender 1 4 Imperial Eastman 364 FHA 0 180 US $27.99
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 RIDGID 40A TRISTAND PIPE BENDER US $129.99
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 RIDGID TRISTAND PIPE BENDER MOD 450 UP TO 5 US $159.99
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 pipe cutter bender and sink wrench lot US $.99
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 Vintage Gardner Pipe Tubing Bender 930 Wrench Tool NR US $.99
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 ROBINAIR 17096 7 8OD 3R TUBING PIPE BENDER US $9.99
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 Greenlee 841 Gardner 930 electrical pipe bender NO RE US $9.99
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 PVC pipe heater and bender US $9.99
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 3 Metal DIE PIPE TUBING BENDER New US $99.99
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 RIDGID 1 2 OD TUBING PIPE BENDER 1 1 2 RADIUS NICE US $24.99
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 NEW 12 TON PIPE BENDER BEND TUBES W 6 DIES BENDING US $129.95
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 NEW GREENLEE 855 555 Conduit Pipe Bender EMT RIDGID IMC US $9,895.00
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 NEW GREENLEE 854 555 Conduit Pipe Bender EMT RIDGID IMC US $8,995.00
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 VINTAGE HANDY HOLSOLAW BROS PIPE BENDER US $8.95
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 Ensley 665 TL 90 Conduit Pipe Bender Greenlee 555 666 US $1,200.00
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 Pipe Tube bender bending kit bend tubing Woodward Fab US $189.99
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 Parker 412 Tubing Pipe Bender w\ Radius Block No Reserv US $99.95
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 12 Ton Hydraulic Pipe And Tube Bender Exhaust Pipes New US $166.95
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 16 TON HYDRAULIC PIPE TUBE TUBING BENDER ROLL CAGE 8 D US $254.99
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 K D 2189 Pipe Tube Bender Tool 1 4 3 16 US $9.99
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 GREENLEE 555 EMT SPEED PIPE BENDER SHOE worksgr8 NR US $325.00
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 LOT 2 RIDGID 397 TUBING TUBE PIPE BENDER 7 16 BENDERS US $32.50
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 GREENLEE 555 rigid pipe bender ROLLER SUPPORT worksgr8 US $159.95
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 2 IMPERIAL PIPE TUBING BENDERS US $5.99
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 GREENLEE 772 RIDGID HYDRAULIC PIPE CONDUIT BENDER US $199.99
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 Hines Bending Bench Top Mount Manual Tube Pipe Bender US $150.00
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 Baileigh RDB 125 Tube Bender Pipe Bending Tubing RMD US $3,895.00 |
 RIDGID 358 RATCHET TUBE TUBING PIPE BENDER 5 8 OD 3 R US $159.00
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 GREENLEE 1810 1 2 OFFESET LITTLE KICKER BENDER PIPE US $95.00
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 Baileigh RDB 250 Tube Bender Pipe Bending Tubing RMD US $9,695.00 |
 GREENLEE 555 Conduit Pipe Bender 2 SHOES 2 ROLLERS US $4,375.00
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 JD2 HYDRAULIC MODEL 32 Tube Pipe BENDER JD Squared NEW US $789.00
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 Pipe Tube bender bending kit bend tubing missing case US $99.99
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 Ridgid 397 7 16 OD Tubing Tube Pipe Bender US $19.99
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 Hydraulic Pipe Bender US $175.00
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 GREENLEE 1818 EMT RIDGID CONDUIT PIPE TUBING BENDER US $1,400.00
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 GREENLEE 3 1 2 CONDUIT PIPE BENDER SHOE 31 2 US $12.99
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 JD2 Model 32 Tube Bender Deluxe Kit pipe square tubing US $529.95
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 Baileigh RDB 175 Tube Bender Pipe Bending Tubing RMD US $7,195.00 |
 LIDSEEN CHICAGO RIGID IMC PIPE CONDUIT BENDER 5100 US $375.00
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 12 TON HYDRAULIC PIPE TUBE TUBING BENDER ROLL CAGE US $179.99
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 Baileigh RDB 050 Tube Bender Pipe Bending Tubing RMD US $895.00 |
 PORTABLE 1 TO 3 BENCH MOUNTED PIPE TUBING BENDER HD US $93.99
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 Central Hydraulics 16 Ton Air Hydraulic Pipe Bender US $99.99
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 GREENLEE SITE RITE PIPE CONDUIT BENDER 842 1” EMT ¾” RI US $7.50
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 GREENLEE PIPE BENDER 508 1 2 PIPE CONDUIT US $7.50
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 BRAND NEW Ridgid Pipe Bender 1 1 1 4 Model B 1712 US $25.00
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 LIDSEEN CHICAGO RIGID IMC PIPE CONDUIT BENDER 5200 US $475.00
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Tube benders experience more challenges when it comes to cleaning their product than most other metal formers. Tubes present a challenge for cleaning, due to the viscosity of the lubricant used to protect the metal during the bends as well as the variations in shapes, tube diameters and orifice orientation. By using antiquated aqueous dip tanks or fixtured spray impingement systems production will be slowed to a crawl by the inability to clean tubes in a standard aqueous wash process. Solvent cleaning systems are able to solve these problems in a quick and cost effective manner.
A closed-circuit, hermetically sealed, industrial washing system that uses solvent, is the ideal technology for applications where the aim is to achieve the highest possible, repeatable cleaning and drying results together with inexpensive operation. The thickest, hardest contaminants can be successfully removed during treatment in these systems. By utilizing a sequence of heated sprays, immersions, the application of ultrasonics during submersion and vapor rinsing sealed solvent systems clean tough parts effectively and efficiently. In addition, through the application of heated blowing cycles and vacuum drying, the parts leave the process chamber absolutely bone dry to the touch regardless of orientation within the system.
Washing with solvents such as Perchlorethylene is ideal for tube applications because perc is able to break the surface tension between soil and metal up to 6 times more effectively than heated water and alkaline soap. This allows the ultrasonic action applied to the solvent while in submersion to break that surface tension of contaminant on the part even more effectively and allow it to be rinsed away. Each cycle in the cleaning process takes place inside the same sealed chamber, where one or more baskets of tubes, loaded in any orientation that is convenient, have been loaded.
When the cycle begins, the door is closed and a spray impingement washing process is performed using hot solvent. The solvent is applied through moderate pressure spray jets directly onto the parts. This stage removes up to 90% of the soil from the parts. The soil laden solvent is drained from the process area while the continued spraying takes place and is delivered to a distilling device within the system, which boils the solvent into a vapor. The soil remains in the still for subsequent removal while the vapor is directed to a chiller which condenses the clean solvent into liquid for subsequent use. This distillation process continues to occur throughout the entire operation of the equipment.
The second cycle involves complete submersion of tubes within the process chamber, during which ultrasonic mechanical action favors the detachment of the remaining contaminant from both the interior and exterior diameter of the tubes.
In the final stage of the cleaning cycle, direct vaporization is performed on the parts using solvent vapors inside the chamber. These vapors come from the still, but rather than being sent to the chiller for immediate condensation, they are directed to the process chamber for a final rinsing where they condense on the parts and cause removal of any remaining pollutants. Then the parts move to the drying stage, which allows for virtually total recovery of the solvent from the parts. Charcoal filters are necessary in some machines to ensure compliance with environmental regulations.
Heater cores, refrigeration tubes, cooling system tubing, exhaust manifolds or any other types of tubes can be more effectively cleaned and dried using a sealed solvent system than those systems that use soap and water. This is true mainly because soap and water systems cannot clean interior diameters adequately, but it is also a reality due to the inefficiencies of water based systems.
In sealed solvent systems the solvent comes to the process chamber therefore the parts do not need to be transported from one bath to the next for submersion. By effectively bringing the same, yet freshly cleaned solvent to the parts for each cycle, there is no concern of bath contamination nor is there any carryover from one bath to the next.
In fixtured indexing conveyor systems where nests hold each part in a particular orientation so the spray impingement can be directed down the throat of the tube, fixtures need to be made for each specific tube. Different tube designs require different nests to hold each individual tube in the proper orientation. This is necessary to allow not only for proper spray cleaning, but also for proper draining to facilitate adequate drying.
When submersion is used, the surfactant package in the alkaline cleaner needs to be intense enough to release the lubricant that it can harm the tubes made of softer metals. There the issue becomes how to drain the water from inside the tubes prior tobasket of tubes move from one bath to the next for cleaning, rinsing and drying. When single piece flow is attempted, the differing fixture nests create change over time that fails to allow production rates to be maintained. In addition
As demonstrated in these cases, solvent closed circuit cleaning systems are versatile and effective. They can be employed in many applications, including tube cleaning, with excellent results.
About the Author:
Midbrook is a minority owned provider of parts washer and parts cleaner systems, custom metal fabrications, CapSnap water bottling systems, and production cleaning services.
Article Source: ArticlesBase.com - Challenges in Metal Cleaning for Tube and Pipe Benders
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