HDPE welding is a form of plastic welding commonly used in plumbing and underground piping to join lengths of pipe together. A quick and simple process, HDPE welding simply involves heating HDPE to the correct temperature and then fusing it together with another piece. It requires no weld filler rod or extra safety measures, and is one of the most popular methods of joining HDPE plastic together.
But what is HDPE? An acronym of high density polyethylene, HDPE is a thermoplastic made from petroleum. It's one of the most popular forms of plastic in used and is known for its strength-to-density ratio and its resistance to many different solvents.
Aside from plumbing, HDPE welding is also commonly used in signs, billboards, and banners, where it helps created lightweight, flexible, cost-effective, impact and wear resistant, and chemical and moisture resistant products.
HDPE welding can take place one of any number of ways:
- Extrusion welding: This type of welding allows the application of bigger welds in a single weld pass. It is the preferred technique for joining material over 6 mm thick. Welding rod is drawn into a miniature hand held plastic extruder, plasticized, and forced out of the extruder against the parts being joined, which are softened with a jet of hot air to allow bonding to take place.
- Hot gas welding: Also known as hot air welding, this is a plastic welding technique, which is analogous to metals, though the specific techniques are different. A specially designed heat gun, called a hot air welder, produces a jet of hot air that softens both the parts to be joined and a plastic filler rod, all of which must be of the same or a very similar plastic. Hot air/gas welding is a common fabrication technique for manufacturing smaller items such as chemical tanks, water tanks, heat exchange and plumbing fitting. Two sheets of plastic are heated via a hot gas or a heating element and then rolled together. This is a quick welding process and can be performed continuously.
- Speed welding: With this process, the plastic welder, similar to a soldering iron in appearance and wattage, is fitted with a feed tube for the plastic weld rod. The speed tip heats the rod and the substrate, while at the same time it presses the molten weld rod into position. A bead of softened plastic is laid into the joint, and the parts and weld rod fuse. With some types of plastic such as polypropylene, the melted welding rod must be “mixed” with the semi-melted base material being fabricated or repaired. These welding techniques have been perfected over time and have been utilized for over 50 years by professional plastic fabricators and repairers internationally. Speed tip welding method is a much faster welding technique and with practice can be used in tight corners. A version of the speed tip “gun” is essentially a soldering iron with a broad, flat tip that can be used to melt the weld joint and filler material to create a bond.
- Electrofusion: This method of joining HDPE and other plastic pipes uses special fittings that have built-in resistive wire which is used to weld the joint together. The pipes to be joined are trimmed, cleaned, inserted into the electrofusion fitting (with a temporary clamp if required) and a voltage (typically 40V) is applied using a device called an electrofusion processor. The processor controls how much voltage is applied, and for how long, depending on the fitting in use. As current is applied to the resistive wire, the coils heat up and melt the inside of the fitting and the outside of the pipe wall which weld together producing a very strong homogeneous joint. The assembly is then left to cool for a specified time. The joints produced tend to be more reliable than threaded fittings sealed with O-rings.
Interested in learning more about HDPE welding and how it relates to your residential or business needs? Check out our list below of the top HDPE welding services in Doha, Qatar, and give them a call today!
Find below a list of the top 10
Hdpe Pipes & Fittings in Doha, Qatar:
- RAPTORS TRADING & CONTRACTING
Location: SHOP 9, BLDG 6, BARWA VILLAGE, AL WAKRAH ( H O ); OFFICE 25, 2ND FLR, GATE 55, SAYER BLDG, BARWA COMM AVE, INDL AREA ( BRANCH ),
Phone: 44604564
Timings:8.00-1.00/2.00-5.00
Key Personnel:HUSSAIN TAHHAN, SALES MNGR, 33589100
MOHD KORKOMAZ, SALES MNGR, 33225127
SELVA KUMARAN, OPS MNGR , 50090660
- FITWORTH TRADING & CONTRACTING WLL
Location: SHOP 30, AIN KHALED SOUQ, AIN KHALED,
Phone: 44161251;77292022 - MOBILE
Timings:6.00AM-10.00PM
Key Personnel:RASAL HANEEFA, G M, .
- LULU RAYYAN GROUP OF COMPANIES WLL
Location: ZONE A, QATAR NAVIGATION BLDG ( MILAHA ), EAST INDL AREA,
Phone: 44800161/44810035 - H O;44817238 - JOTUN PAINTS ( NEW RAYYAN BR );44367080 - AL GHANIM BR;44325894 - BIN MAHMOUD BR;44430358 - NAJMA BR;44116060 - INDL AREA BR;44582281 - EAST INDL AREA BR;44934961 - MAMOURA BR
Timings:8.00AM-7.00PM
Key Personnel:Khalid Mihran , M D, 55540809
IJAS ALI, ADMIN MNGR, 30337484
- ASSOCIATED TECHNICAL TRADING WLL
Location: OFFICE 10, BLOCK 6, ARKAN BLDG, BARWA COMM AVE, INDL AREA
,
Phone: 44769910;50811108 - MOBILE
Timings:8.00AM-6.00PM
Key Personnel:Safdar Grace, SALES DEPT, 33371112
SABEER MUHAMMED , TECHNICAL DEPT, 33775681
SHAHJAR ALI, PROCUREMENT DEPT , 66645572
- ADVANCED PLASTIC FACTORY
Location: BLDG 156, ST 2, NEW INDL AREA,
Phone: 40298225;40294810
Timings:
Key Personnel:SAMEER HASSAN, G M, 55859348
NASEEM ALASMAR, SALES MNGR, 55846998
- GULF CRUZ TRADING CONTRACTING WLL
Location: OFFICE 15, 1ST FLR, J G AL JAZEERA BLDG, JAWAAN ST, AL WAAB RD,
Phone: 44130594
Timings:7.30AM-5.00PM
Key Personnel:DONG DELA CRUZ, SALES MNGR, .
JHON ROBERT LLISAN, SALES ENGR, .
- RASHID AL MULLA SANITARY & BUILDING MATERIALS CO WLL
Location: SHOP 42, BLDG 3, BARWA VILLAGE, AL WAKRAH
,
Phone: 44325262
Timings:8.00AM-5.00PM
Key Personnel:RASHAD RAZAK, G M, .
SHAMSUDHEEN, ., 55561449
- ARBAB SERVETECH TRADING & CONTRACTING
Location: AL WAKRAH,
Phone: 44676170
Timings:8.00AM-6.00PM
Key Personnel:SYJU MOHD, FIN MNGR, .
SIVAKUMAR S PILLAI, EXEC DIR - OPS, .
- QATAR INSULATION COMPANY
Location: G S S G BLDG, OPP JARIR BOOKSTORE, RAMADA JUNCTION ( H O ); BLDG 9, ENT - 2, G W C BU SULBA WAREHOUSING PARK, AL WUKAIR ( STORES ),
Phone: 44995077;66279373 - MOBILE;44365928/66845755 - STORES
Timings:8.00AM-5.30PM: SUN - THUR
Key Personnel:S CHINNAKANNAN, D C E O, .
SHOJI BAHULEYAN , DIV MNGR, .
- CLEAR TRADING WLL
Location: SHOP 27, BLDG 7, BARWA VILLAGE, AL WAKRAH,
Phone: 44633092
Timings:
Key Personnel:NOUSHAD ALI, M D, 55515897
SHAMEEM, SHOWROOM IN-CHARGE, 50050447
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HDPE WELDING SERVICES
Find below a list of the top 10 products suppliers of
Hdpe Welding Services in Doha, Qatar:
- AGBIZZ
- Installation Of Geo Composite Layer, Geo Textile, Drainage Composite, Hdpe Liner
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