Acetylene Torch Tip
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Hot Max AFA-1 Air/Acetylene Torch Kit with Quick Connect Tips List Price: $199.99 Sale Price: $104.12  |
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"Victor" Style Welding Cutting Torch Kit Acetylene Oxygen List Price: $189.99 Sale Price: $86.75 |
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Professional Grade Victor-Type Gas Welding and Cutting Kit - Everything You Need for Professional Welding and Cutting Results, Torch Handle, Oxygen Regulator, Acetylene Regulator, Cutting Attachment, Cutting Nozzle: No... |
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Campbell Hausfeld WT400000AV Oxy-Acetylene Torch Kit List Price: $179.00 Sale Price: $179.00 |
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Kit includes: Oxygen and acetylene regulators, torch handle with check valves, cutting attachment, cutting tip (size #0) welding nozzles (sizes #0, #2, #4), heating nozzle with rosebud tip, 15 foot double line DAYCO hose, flint striker, goggles with shade #5 lens, tip cleaner and protective storage case... |
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TurboTorch A-2 Acetylene Torch Tip (0386-0100) List Price: $71.59 Sale Price: $53.25 |
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TurboTorch A-2 Acetylene Torch Tip (0386-0100) Swirl Air Acetylene 1/8" tip fits G-4 Handle Soft solders 1/8-1/2" Silver brazes 1/8 - 1/4" Replacement Orifice OR-A2 (not included) |
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TurboTorch A-32 Acetylene Torch Tip (0386-0106) List Price: $186.00 Sale Price: $153.45 |
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TurboTorch A-32 Acetylene Torch Tip (0386-0106) Swirl Air Acetylene 3/4" Tip fits G-4 Handle Soft solders 4 - 6" Silver brazes 1- 1/2 - 4" USE WITH LARGE TANK Replacement Orifice OR-A32 (not included) *Tank not included |
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Hobart 770086 Welding Oxy-Acetylene Tip Cleaner - Drill Type Sale Price: $8.96 |
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The Hobart 770086 Oxygen Acetylene Drill Tip Cleaner is a drill-type tip cleaner that can file from 54 to 72 inside an aluminum pin vise. Once the 770086 Tip Cleaner is mounted in a vise, the user can drill through carbon plugged tips easily... |
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Hot Max AFA-2 Air/Acetylene Torch Kit with Screw Connect Tips List Price: $179.99 Sale Price: $104.78 |
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TurboTorch A-3 Acetylene Torch Tip (0386-0101) List Price: $77.60 Sale Price: $58.00 |
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TurboTorch A-3 Acetylene Torch Tip (0386-0101) Swirl Air Acetylene 3/16" Tip fits G-4 Handle Soft solders 1/4-1" Silver brazes 1/8 - 1/2" Replacement Orifice OR-A3 (not included) |
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Hobart 770085 Welding Oxy-Acetylene Tip Cleaner - Large Sale Price: $5.99 |
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The Hobart 770085 Oxygen Acetylene Large Tip Cleaner is a set of stainless steel wire files for cleaning the gas orifices of cutting and brazing tips. Features: Twelve files from 49 to 75, plus a tip file All files fold into an aluminum case for easy storage What's In The Box: Hobart 770085 Oxygen Acetylene Large Tip Cleaner |
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Smith Little Torch Acetylene Mapp Heating Tip #13-662 List Price: $38.50 Sale Price: $23.32 |
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Smith Equipment Heating Tip # 13-662 Little Torch These Smith Little Torch heating tips are NEW and never used. They fit the Smith Little Torch handle. Fuel gas used: Acetylene, Hydrogen, Propylene, and Mapp Length: 6" BTU: rosebud flame 7,050 BTU/hr |
Valve installation profiles, valve installation and maintenance guide
SOLDERING AND SILVER BRAZING
¡¡¡¡Analyze the application to determine which valve is best suited for installations, keeping in mind the service for which the valve is recommended. Before installing the correct valve, review the installation instructions to prevent damage to the valve and to assure its maximum efficiency.
1.Cut tube end square. Ream, burr and size.
2. Use sand cloth or steel Wire Brush to clean both ends to a bright metal finish. Steel wool is notrecommended.
3. Apply flux to outside of tube and inside of solder cup. Surfaces to be joined must be completely covered. Use flux sparingly.
4.Be sure that valve is fully open. Apply heat to tube first. Transfer as much heat as possible through tube into valve. Avoid
prolonged heating of valve itself.
5.Silver Brazing Method: Assemble parts to be brazed. If fluxed parts are allowed to stand, the water in the flux will evaporate, and dried flux is liable to flake off, exposing metal surfaces to oxidation. Assemble joint by inserting tube into socket hard against the stop. The assembly should be firmly supported so that it will remain in alignment during the brazing operation.
¡¡¡¡NOTE: On one-inch and larger valves, it is difficult to bring the whole joint up to temperature at one time. It will frequently be found desirable to use a double-tip torch to maintain the proper temperature over the larger area. A mild pre-heating of the whole socket area is recommended. Apply heat to parts to be joined. The preferred method is by oxy-acetylene flame. Heat tube first, beginning one inch from edge of valve. Sweep flame around tube in short strokes up and down at right angles to run of tube. To avoid burning through tube, the flame should be in continuous motion and not allowed to remain on any one point.
Apply flame to valve at base of socket. Heat uniformly, sweeping flame from valve to tube until flux on valve becomes quiet. Avoid excessive heating of valve.
¡¡¡¡When flux appears liquid and transparent on both tube and valve, start sweeping flame back and forth along axis of joint to maintain heat on parts to be joined, especially toward base of valve socket.
6. Use just enough solder: with wire solder, use 3/4" for a 3/4" valve, etc. If too much solder is used, it may flow past tube stop and clog sealing area. When joint is filled, a continuous run of solder or brazing alloy will be visible.
7. Silver Brazing Method: Apply brazing wire or rod at point where tube enters valve socket. Keep flame away from rod or wire as it is fed into the joint. Move flame back and forth as alloy is drawn into joint. When the proper temperature is reached alloy will flow readily into space between tube outer wall and valve socket. When joint is filled, a continuous rim of brazing alloy will be visible.
8. Remove excess solder with small brush while plastic, leaving a fillet around end of valve as it cools.
SILVER BRAZING¡¡¡¡
¡¡¡¡The strength of a brazed joint does not vary appreciably with the different brazing materials, but depends to a large extent upon the maintenance of proper clearance between the outside of the tube and the valve socket. The interior dimensions of silver brazing valve sockets are machined to the closest tolerances and finished smooth to promote full capillary attraction.
¡¡¡¡NOTE: Care should be observed in cleaning and in removing residues of the cleaning medium. Attempting to braze a contaminated or improperly cleaned surface will result in an unsatisfactory joint. Silver brazing alloys will not flow over or bond to oxides. Oily or greasy surfaces repel fluxes, leaving bare spots which oxidize and result in voids and inclusions.
THREADING
¡¡Grit, dirt or any foreign matter accumulated in the pipe can hinder efficient valve operation and seriously damage vital valve parts. Thoroughly clean pipe internally with air or steam.
¡¡¡¡When threading pipe, gauge pipe threads for size and length to avoid jamming pipe against seat and disc. Thoroughly clean threaded end to remove any harmful steel or iron deposits. For a good joint, use teflon tape or pipe dope. If pipe dope is used, apply sparingly on pipe threads, neveron valve threads. Do not allow any pipe dope into valve body in order to avoid damage to disc and seat.
¡¡¡¡Before installation, check line of flow through valve so that valve will function properly. Close valve completely before installation. Apply wrench to hex next to pipe and guard against possible distortion. After installation of valve, support line; a sagging pipe line can distort valve and cause failure.
FLANGED
¡¡¡¡There are several steps to follow to make sure that a flanged joint will be properly assembled. First, clean the joint carefully. Then loosely assemble the joint by putting in the bottom two or three bolts. Then carefully insert the gasket into place. The bottom bolts will help locate the gasket and hold it in position. Then insert the rest of the bolts into place and tighten all of the bolts evenly-not in rotation, but by the cross-over method to load the bolts evenly and eliminate concentrated stresses. The bolts should be checked for tightness after an appropriate interval of use and retightened if nec .
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About the Author
FBIC Inc., a member of Siduona group in flow-control business, has over 15 year experience in manufacturing ball valve, gate valve, globe valve, check check valve, plug valve and butterfly valve in Carbon Steel, Stainless Steel Valve.
