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LESSO
Premium Home Improvement Ceramic-smooth Series Dual-color PP-R Water Supply Pipe
CeramicFeel Green & Clean
50 YEARS
Long-lasting Durability
Smooth Inner Wall
Uninterrupted WaterFlow
Light-blocking& Bacteria-inhibiting
LESSO
COMPANYPROFILE
Established in 1986,LESSO (Stock Code: O2128.HK) is a global leader in home furnishings andbuilding materials.The Group’s business portfolio spans plastic piping，building materialsand home furnishings,environmental protection,new energy，supply-chain service platformsand others.Itoffersa wide range of products such as pipes，photovoltaics, plumbingand sanitaryware，integral kitchen materials，integral doorsandwindows, aluminum formwork and smart scaffolds，water purifiers，water-proofing materialsand sealants，fire-fightingequipment，valves，cables，lighting，hygienematerials，itemsfor environmental protection，agricultural facilities，and oceanicaquaculture cages.In2023, LESSO’s sales revenue reached over USD 4.38 billion.
Since implementing a strategy of globalization and expanding its global presence,LESSO has evolved intoa sophisticated multinational.It boasts more than 30 advanced production bases worldwide,broadening its industrial and sales networks to cover Asia,North America, South America, Europe,Africa,and Oceania.This enables LESSO to provide quality products andservices for global customers inaccordancewith its continuously improved strategic layout ina timelyand efficient way.
LESSO has founded its R&D center with more than 1,ooo scientific researchers,nationally accredited enterprise technology center，and two post-doctoral workstations to support its innovationand technical development.The Group has takena leading role inthe revision of over120 international and Chinese industry standards.LESSO owns over 2,9oo patents (some of them are pending),and provides over 10,ooo varieties of products,making it one of the most comprehensive manufacturers in the piping industry.Its products are utilized globally in diferent areas，including home decoration，civil construction，municipal water supply,drainage,energy management,power supply and telecommunications,gas supply， fire-fighting,environmental protection,agriculture,oceanic aquaculture,etc.
True to its ideaof“Envisioning the Better,Building the Future”,LESSO remains committed tocreatinga better livingenvironment,and advocating ideal cities featuring greenness, livability,and efficiency.With concerted efforts from various sectors,LESSO willfully play its rolein sustaining healthy and beautiful space so that global residents could enjoya comfortable life.
Premium Home Improvement Ceramic-smooth Series Dual-color PP-R Water Supply Pipe
Imported RawMaterials·Eco-friendly·Light-blocking& Bacteria-inhibiting Pressure-resistant& Anti-aging ·InsuredbyPICC
PRODUCTINTRODUCTION
Dual-color PP-R water supply pipes of thepremium home improvement ceramic-smooth series boastaceramicsmooth inner layer that significantly reduces dirt accumulation,ensuring more uninterrupted water flowand cleanerwaterforhouseholduse.The pipesare suitable for both cold and hot water,simplifying the workload for both users and installers while laying pipes.
The pipes are made from imported raw materials,and are designed with three waterproof shrinkage joints and full-bore high flow,providing eco-friendly and healthy use.And they are insured by PICC. PipeFittingDesign Patents:ZL20133 0330852.3，ZL20203 0550823.8 Pipe Fiting Utility Model Patents: ZL2020 22034355.6,ZL202022038227.9,ZL2020 2 2034353.7
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APPLICATION
Coldand hotwaterpiping systemsinresidentialand industrialbuildings
Drinkingwater (including purifiedwaterandmineral water)distributionsystems
Centralair conditioningand heatingsystems
MAINFEATURES
01
Smoothpipewallsforreducedscaling
Ceramic-smooth inner wallresistsscalingand cuts flow resistance,ensuring more uninterrupted water flow;
02
Double-layer protection for good lightblocking
Adual-layercombinedstructurefeaturesaforestgreenouterandceramicwhiteinner，significantly enhancing light-blockingperformancewithultra-low light transmittanceof lessthan 0 . 2 % .This designeffectivelypreventsthe growthof bacteriaandmossinside the pipe;
03
Ultra-highflowforefficientwatersupply
Large-radiusstreamlined pipe fitings reducewater flowresistance,minimizewater impact,and make theoverallwatersupplysmoother;
Green,eco-friendly&healthywateruse
Thepipesaremadefromimportedfood-graderawmaterials,ensuring healthyandeco-friendlyuse;
05
Heat&pressureresistance
Uniformmolecular structureprovidesoutstanding temperatureand pressureresistance,ensuring waterconveyanceatanormaloperatingtemperatureof 7 0 ^ { \circ } { C } for long-term use,and withstanding hightemperatureupto 9 5 ^ { \circ } C for instantaneoususe;
06
Simpleconstruction&easyinstallation
Lightweight,easycutting,andseamless fusionconnectionenableefficientwaterconveyanceand pipeinstallation.
Pipe Series
ExecutiveStandard:GB/T18742.2
Premiumuacrtt PipeSeries Niaminal Outmim) Thikminal W(mm) 20 2.0
Pipe 25 2.3 For cold S5 32 2.9 water pipes (1.25MPa) 40 3.7 50 4.6 63 5.8 20 2.3 25 2.8 For cold S4 32 3.6 water pipes (1.6MPa) 40 4.5 50 5.6 63 7.1 20 2.8 Forcold 25 3.5 S3.2 32 4.4
\*Standard pipe length is typically 3m. Custom lengths are and hot (2.0MPa) 40 5.5
availar:Daeructureitfrestgreuterd water pipes 50 6.9
ceramic white inner, equipped with identification color lines. 63 8.6
Blue line indicates cold water pipes,while red line indicates
hot water pipes. 20 3.4
\*The value in parentheses for S5 (1.25MPa) indicates that the operating pressure of the pipe is 1.25MPaata medium For cold S2.5 2532 4.4
tanms2.5ure 5f and S2.5 (2.5MPa) follow sequentially with their respective 2 0 ^ { \circ } \mathsf { C } mi wated piotes (2.5MPa) 40 6.7
pressures. 63 10.5
CoiledPipeSeries (1.25MPa) 2025 2.0 For cold 32 2.9 water pipes 20 2.3 S4 (1.6MPa) 25 2.8 32 3.6 20 2.8 S3.2
\*Standard coiled pipe lengthsare 50m or 1 0 0 m Custom (2.0MPa) 25 3.5
lengthsareavailable uponrequest. For cold 32 4.4
\*Color: Dual-layer structure with forest green outer and and hot
\*Color lines: Blue line indicates cold water pipes,while red ceramic white inner, equipped with identification color lines. water pipes (2.52.Pa) 2025 3.4
line indicates hot water pipes. 32 5.4
Pipe Fitting Dsigntaratr
Series Designedwiththreewaterproofshrinkage joints Designed with full-bore high flow· Insured by PICC Male Threaded 90° Reducing 90° Equal 90° Reducing Male Threaded Plug (with
Coupling 45° Elbow 90° Elbow EIbow Tee Tee Angle Tee Reducer Plug Rubber Ring) F Y-shaped 90° Bypass Crooked
Straight Bridge Reducing Y Shape Sanitary Return Large-radius S-shaped Plastic Bend for Bend for
Cross Cross Bridge Cross Tee Wye Water Elbow Elbow Elbow Crooked Bend Cold Water Hot Water .\*\*\*.\*\*· ..\*\*\*..\*· Concealed Luxury Gate Full-bore Tee Ball
Cap Clip Union Tee Check Valve Valve Valve Stop Valve Gate Valve Stop Valve Valve TypeIPipe TypeIPipe
Female Threaded Male Threaded Female Male Threaded Female Male Clamp (with Clamp (with
StraightConnectorStraightConnectorThreadedElbow Elbow. Threaded Tee Threaded Tee Pointed Screw) Explosive Screw)
PP-R/PE-RT PP-R/PE Transition Transition Double Seated Double Seated PP-R 2-way PP-R 3-way PP-R 4-way PP-R5-way PP-R 6-way Union Union Female Elbow Female Tee Manifold Manifold Manifold Manifold Manifold 5 Fill Retum Valve Valve
SieUniinellVal Union Unxtendlydaoegh StrainerandMale Fremium Impreyement Ball Valve IBall Valve IConnection) I Strainer 271 with Strainer 261 Ball Valve Threads Fill and Return Valve Set Ball Valve with Manual Manual PP-R Angle Maleand Ceramic mperatrue Angle UnionUnion
Pipe Cover lange Sleeve Flange Plate Rubber RingFemaleThreadsValve CoreControl AngleVaveControl Straight ValveBallValveBallValve
No.1Water DistributionNo.1Water Distribution No.1Water DistributionNo.1Water DistributionNo.1Water Stainless Steel
Box StainlessSteel Box Stainless Steel Box PP-RManifold Box PP-R Manifold Distribution BoxManifold (with Male
Manifold (with PP-R Manifold (with Male (with PP-R Fusion Ball (with Male Threaded (Empty Box for Threaded Straight
Fusion Ball Valve and Threaded Ball Valve Valve and Union) Ball Valve and Union) Water Supply Connector and Union)
Union) and Union) 1#PSX
No.2Water DistributionNo.2WaterDistribution No.2Water DistributionNo.2Water DistributionNo.2 Water Stainless Steel
Box Stainless Steel Box Stainless Steel Box PP-R Manifold Box PP-R Manifold Distribution Box Manifold (with
Manifold (with PP-R Manifold (with Male (with PP-R Fusion Ball (with Male Threaded (Empty Box for PP-R Fusion Ball
Fusion Ball Valve and Threaded Ball Valve Valve and Union) Ball Valve and Union) Water Suply) Valve and Union)
Union) and Union) 2#PSX
Noble Series Pipe Fittings Female Threaded Male Threaded Female Male Double Seated Double Seated
Female Threaded Male Threaded Straight Connector Straight Threaded Threaded Female Elbow Female Tee
Elbow (Type I) Elbow (Type I) (Type I) Connector (Type I) Tee (Type l) Tee (Type I) (Type I) (TypeI) SuperiorSeriesAccessories 長(zhǎng) 90° Reducing 90°Equal90°Reducing Straight Bridge Reducing
Coupling Reducer 45°Elbow90°Elbow Elbow Tee Tee Cross Cross Bridge Cross ….... .\*\*.\*\*.\* Butterfly Threaded Y-shaped 90° Plastic Female Male Threadei Plug (with) Sanitary Reducing YShape Return Large-radiusS-shaped Crooked Threaded Straight Rubber Ring) Wye Sanitary Wye Tee Water Elbow Elbow Ellbow BendStraight Connector Connector \*\*\* \*\*\* d Female Male Female Male Extended Female Female Threaded Double Seated Double Seated
ThreadedTeeThreadedTeeThreadedElbowThreadedElbowThreadedElbowElbow(withBase)StopValveFemaleTee Female Elbow
\otimes PIPECONNECTION
1.Preheat to 2 6 0 ^ { \circ } C
Connect the fusion tool to power up,and start operating only when the working temperature indicator light is on.
光
2.Clean pipe connection ends
Scrape off any burrs,level the end faces,and clean the surfaces of the pipes to be connected.
3.Makemarks
Usea caliperand a suitable pen to measure and mark the welding depth on the pipe ends which should meet the requirements in the table below.
4.Heat fusion
First insert the pipe fitting into the fusion mold. When the heating depth of the pipe fitting reaches 50 % of the specified depth,insert the pipe into the mold,and then push both the pipe and fitting to the bottom of the mold at the same time.
5.Socket fusion
Afterreaching thespecified time,immediately insert the pipe into the pipe fitting ina straight line without rotating.
6.Cooling and holding
Once the cooling time is reached, the welding iscomplete. (See the table below forspecific heating and cooling times.)
| NominalOutside Diameter(mm) | Welding Depth (mm) | HeatingTime (s) | Fixing&Setting Time (s) | CoolingTime (min) |
| 20 | 15 | 5 | 4 | 3 |
| 25 | 17.5 | 7 | 4 | 3 |
| 32 | 19 | 8 | 4 | 4 |
Note:The heating time given in this table should beadjusted according to the product manual of the fusion tool provided by our factory and the temperature of the construction environment.If the ambienttemperature is less than 5 ^ { \circ } \mathsf { C } ,the heating time should be increased by 50 % =
±b { \otimes } HONORCERTIFICATE
強(qiáng) OP 500 酷 Top100 Enterprisesin China'sTop500 AAA Enterprise China's Light industry Private Enterprises Credit Rating 1
ilac-MRA CNAS ISO 保
NationallyAccreditedLaboratory ISO9001,ISO14001, PICC Product
Registration No.: CNASL2583 ISO45001 Liability Insurance
國(guó)家認(rèn)定企業(yè)技術(shù)中心國(guó)家發(fā)展改革委科技部財(cái)政部海關(guān)總署國(guó)家稅務(wù)總局
NationallyAccredited Enterprise TechnologyCenter
CentralState-ownedRealEstate DevelopmentEnterprise PreferredSupplier (National Brand) ·Pipesand Fittings
TOP500ComprehensiveCapabilities in Housing Construction Supply Chain PreferredSupplier·PipesandFitings
BrandValuationin China: 18.659Billion
LESSO
LESSO GROUP (STOCK CODE:2128.HK)
GUANGDONG LIANSU TECHNOLOGY INDUSTRIAL CO.. LTD.
ProductionBase:
Liansu IndustrialEstate,ongiiangTown,hundeistrict,FoshanCity. GuangdongProvince5283l8,China
SalesTel: (86)75723379211 Fax:(86)75723378980 E-mail:oversea@lesso.com Asia-1:(86)757-29223015 Africa-1:(86)757-29226356 Middle East:(86)757-29226355 Asia-2:(86)757-29220500 Africa-2:(86)757-23379211 SouthAmerica:(86)757-2922050
\*Thiscataloghasbeenpreparedasasupport guide.UndernocircumstanceshallLESsOassume anyliabilityorresponsibilitywiththeinformation inthiscatalog.Everyeffrthasbeenmade byLESSO toprovideaccurateanduptodateinformation.
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