Cental butt fusion-Central Plastics PEBFT4 | Hirsch Pipe & Supply

Butt Fusion is the earliest form of heat fusion pipe joining in the high density polyethylene HDPE industry. It involves simultaneously heating two segments of pipe or a segment of pipe and molded fitting until they reach a melting point where they can be joined together to form a permanent and continuous HDPE bond. When properly joined and cooled, the fusion joint is stronger than the individual parts. Butt fusion requires specialized tooling and is typically reserved for pipe sizes 2" and larger. We carry a limited quantity of butt fusion fittings and equipment, but have access to a complete line through our HDPE master distributor.

The finished weld can now be visually inspected for Cental butt fusion and alignment. Squeeze Tools. Before the welding sequence, heating and cooling times and fusion pressures should be noted for the specific pipe diameter and written down for quick reference fusioon the welding cycle. Go to Technical knowledge Search. In — nom Watts Voltage Thermometer max. Selection of the correct clamps or inserts, ensuring all fixings are tight, to reduce the possibility of misalignment due to axial movement. These fittings are Cbt dom fem foto for heat fusion to any PE material made from a like or similar resin. More information on TWI's work on plastic pipe can be found here. Loose shavings should be removed from the machine and inside the pipes taking care not to touch the planed ends.

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Korean Fried Cental butt fusion. Able to take trades on this one, financing available. This is a 1 of Scrabble vintage kind special order color. Call Tyler: or email for more information. Breakfast Burrito. Always kept extremely clean and well taken care of. First Name. Motor has hours with factory warranty until February The Geo-Hydro Advantage Geothermal systems are complex, and so are your questions. Call Clarence: or email for more details. Interior is like new. Garage kept, well maintained. Bar scene.

Butt fusion welding is the name given to hot plate welding of thermoplastic pipes.

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The next time you have a drink of water or boil water on a gas stove you can bet that a McElroy fusion machine was involved. HDPE Polyethylene pipe has been utilized for more than 40 years in gas, water and chemical distribution systems, replacing steel and cast iron pipe. Adaptable for all piping, these fittings are used on HDPE pipe to change direction, insert a lateral or tee, or simply to cap off an end of a line. View Transition and Supplies Our Transition fittings, in carbon steel, and or stainless steel, are available in weld x weld, threaded, grooved or flanged-end configurations.

View Polypropylene Polypropylene is a hydrophobic thermoplastic material; it repels polarized molecules such as water and is able to be heat fused. Line Stopping and Tapping equipment is utilized for industrial and utility applications on steel, cast iron and polyethylene systems.

The fusion process, applying heat and pressure, produces a thermally-bonded joint from two sections of pipe. View Electrofusion Equipment Electrofusion is a process that joins MDPE and HDPE pipe by providing a controlled electrical current through an element positioned inside a coupling which heats and fuses itself to the pipe, creating a thermally-bonded connection.

View Squeeze Tools Squeeze Tools provide a practical way to shut off the flow of the medium going through the pipe, allowing the user to be able to cut and work on HDPE and steel pipe. View Damage Prevention Proper and timely markers are essential for insuring worker safety, protecting the environment and guarding buried facilities and piping systems.

View Southern Cross Southern Cross is the industry leader in gas leak detection products. McElroy Fusion Machines. McElroy's smallest fusion machine, while being compact, it is still highly reliable, accurate, and rugged. The 1LC is a great alternative to Mini-Mc. It offers a more conventional style of operation, while its compact design allows for fusing in tight quarters.

Gives you the ability to saddle fuse within a ditch, Comes in two configurations: the jaw clamp and the chain clamp. The 2LC is compact and durable, and features a locking cam system to maintain force during the cooling cycle.

Features reversible jaws, clamp knobs, levers, and facer that allow the operator to fuse from either side of the machine. Easily manuvered into tight spaces, with the electric facer having the option to be loaded from either side of the machine for improved convenience.

Capable of up to PSI fusion pressure and features a double-action hand pump for fast carriage speeds. Wheeled chassis makes it easy to maneuver, while carriage can be easily removed for in ditch use. Self-contained, self-propelled, all-terrain unit, powered by a diesel engine, that fits in a standard long truck bed for easy transport. First fusion machine in the world to be mounted on at rack system, making it mobile in almost any terrain.

Heater and facer are mounted on and powered by the TracStar III, and hydraulic clamping comes standard with the latest series of TracStar All the capabilities of the MegaMc mounted on independently controlled, self-propelled tracks.

Features an on-board generator for powering the heater and facer, which is now positioned between the fixed jaws for easier pipe transfer. Features a semi-automatic control system that requires only one operator.

Hydraulic power assist all fusion fuctions incuding the complete operation of the jaws, pipe lifts, heater and facer. The 2-jaw allows for butt fusion of most fittings without special holders.

Mitered inserts are available for fabricating ells. Used to tackle large pipe jobs, with 30, lbs of clamping force per jaw for improved gripping and rerounding of pipe. HDPE Pipe. Transition and Supplies. Stopping and Tapping Equipment. McElroy Fusion Equipment. Electrofusion Equipment. Squeeze Tools. Damage Prevention. Pipeline Supplies. Southern Cross.

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Butt Fusion Machines - GF Central Plastics

Butt fusion welding is the name given to hot plate welding of thermoplastic pipes. It is one of two main techniques for the fusion joining of polyethylene gas and water pipe. The heating phase, sometimes referred to as 'bead up', is where the pipe ends are pressed against a heated plate for a period of time.

This is followed by the 'heat soak' phase where the pressure is reduced to just hold the pipe ends on the hot plate. This allows time for the heat to soak into the material at the pipe ends. After the heat soak phase, the hot plate is removed and the pipe ends brought together. The time taken to do this is called 'dwell time' and needs to be as short as possible. Before making any pipe welds, the butt fusion welding machine needs to be checked for smooth running and set up for the pipe materials to be welded.

Prior to welding, correct preparation of the pipes is necessary. When measuring pipe lengths, allowance should be made for the trimming and melting sequences to guarantee correct lengths after welding.

Before clamping the pipes into the machine, the ends should be checked for irregular shape, damage, or embedded grit. Damaged or deeply scored pipe should be discarded. Any loose contamination can be removed by wiping the pipe ends with a lint-free cloth on both inner and outer surfaces. Once cleaned, the pipes are clamped into the machine.

To help alignment, it is good practice to clamp the pipes in such a way that their stamped markings are in line. This also helps with identification at a later date if required. Once securely fitted in the clamps, the pipe ends should be brought into contact with the rotating planer tool until continuous shavings are cut from each end.

The planing process ensures the pipe ends are smooth and square ready for the welding phase. Loose shavings should be removed from the machine and inside the pipes taking care not to touch the planed ends. This ensures that no grease or dirt is transferred from hands to pipe ends. The pipes should then be checked for alignment and adjustments made to the clamps where necessary to ensure there is minimal mismatch in diameter.

The heatproof bag should be removed from the hotplate, and the temperature should be checked using a digital thermometer and surface probe.

It is good practice to complete a dummy weld before undertaking actual welding. This is to ensure the surface area of the hotplate in contact with the pipe ends is totally clean of any dust particles or other contaminants. Place the hotplate between the pipe ends, ensuring that it is properly located and square to the pipe faces.

Move the pipes into contact with the surface applying an axial force. The force should be applied smoothly making sure that the required pressure is not exceeded. The force needs to be held securely, allowing the formation of a bead of molten material around the pipe. The bead needs to be even around the pipe circumference, on both sides of the hotplate.

This is the 'bead up' phase of the process. The means of applying the force will vary with the type of equipment. On certain types of machine the force will be applied by mechanical means using a spring loaded mechanism with the force being maintained by a locking screw. On other types of equipment, hydraulic rams are used with the pressure maintained by switching valves in the hydraulic power pack. When the required bead has been achieved, the pressure is reduced for the heat soak phase.

The pipes rest on the hot plate which allows the heat to permeate the material, reducing the possibility of cold welds. This time will vary subject to pipe diameter and wall thickness, therefore manufacturers recommended times should be used. When this phase is completed, the pipe faces are moved away from the hotplate as smoothly as possible to ensure that none of the molten bead sticks to the surface and the hotplate is removed. The pipes are then brought together as smoothly and quickly as possible to minimise the possibility of temperature drop, taking care not to exceed the required force.

The weld force should be maintained throughout this phase, to ensure maximum weld strength. On completion of the cooling time, the pressure can be reduced to zero, and the pipe removed from the clamps.

The finished weld can now be visually inspected for uniformity and alignment. See further information about plastic pipe welding and testing or please contact us. Support for SMEs. Software Products. Go to Technical knowledge Search. Login Login. Members' Portal. Butt fusion welding of polyethylene pipe. The Process The heating phase, sometimes referred to as 'bead up', is where the pipe ends are pressed against a heated plate for a period of time.

Machine set up Before making any pipe welds, the butt fusion welding machine needs to be checked for smooth running and set up for the pipe materials to be welded. Selection of the correct clamps or inserts, ensuring all fixings are tight, to reduce the possibility of misalignment due to axial movement.

Correct temperature of the hot plate, for the material being welded; this should be checked with a surface temperature probe and digital thermometer in several positions after a stabilisation period of at least 20 minutes. Between welds the hot plate should be covered by a heatproof bag to protect it from surface contamination and to prevent heat loss. Check the planer blades used to trim and square the pipe ends; they need to be sharp, undamaged and firmly fixed to the planer surface to avoid slippage of the planer during rotation.

Check all moving parts for smooth operation and, if using a hydraulic machine, check the hoses and fittings for signs of leakage. Preparing the pipe. Planing the pipe ends so they are ready for welding. The hotplate is positioned between the pipes.

Bead formation needs to be monitored carefully. Before the welding sequence, heating and cooling times and fusion pressures should be noted for the specific pipe diameter and written down for quick reference during the welding cycle. Some machines have all the relevant tables on them for convenience.

A timer or stopwatch should be available for accurate timing. The weld force should be maintained throughout this phase, to ensure maximum weld strength On completion of the cooling time, the pressure can be reduced to zero, and the pipe removed from the clamps. More information on TWI's work on plastic pipe can be found here. For more information please email: contactus twi.