• PPR Flange Plastic Pipe Fittings Energy-saving Materials System 1
  • PPR Flange Plastic Pipe Fittings Energy-saving Materials System 2
  • PPR Flange Plastic Pipe Fittings Energy-saving Materials System 3
PPR Flange Plastic Pipe Fittings Energy-saving Materials

PPR Flange Plastic Pipe Fittings Energy-saving Materials

Ref Price:
$11.00 - 25.00 / pc get latest price
Loading Port:
Ningbo
Payment Terms:
TT or LC
Min Order Qty:
3000 pc
Supply Capability:
100000 pc/month

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PP-R pipe by using the random copolymer polypropylene extruded into pipe, injection molded into the pipe, the company's specifications Mainly used to connect civil construction, industrial, agricultural and landscape irrigation drainage system PE pipes
1, health, non-toxic: the various parts of the pipeline system consists of PP-R pipes and fittings constituted can be completely non-toxic, health indicators in line with GB / T17219 standards.
2, does not rust: PH value can withstand a wide temperature range, in the range of 1 to 14, a high concentration of acid and alkali corrosion.
3, wear-resistant, non-fouling: PP-R pipe and tube inner wall smooth, uniform flow resistance is small and does not scale.
4, reducing vibration and noise: PP-R pipe has excellent insulation properties, can significantly reduce the vibration and noise caused by the flow of liquid.
5, anti-cracking: PP-R materials excellent elasticity makes pipes and fittings sectionally With frost expansion of the liquid together without bursting.
6, anti-condensation, heat loss is small: PP-R material is a poor thermal conductor, reduces condensation and reduce heat loss less.
7, anti-electric corrosion: PP-R material is a poor conductor of electricity can avoid corrosion. Complete specifications: 10-30 optional    

 

Pictures of PPR Flange

Q:Who can tell me what "DN" and "PN" mean in flanges, and what does PN16 stand for?
DN----- through the flange -- such as pressure DN15. with Phi 18 DN25.
Q:How many bolt holes and how big bolts are there in all sizes of 16 kg flanges?
108 different manufacturers produced are different, generally with 16, some with 18, generally each one level of flange 2 (such as 108 16 159 of the 18, and this has been added) flange 108 is 8, 159 or 8 more than 200 which is 8 a 325 is like 16, anyway to bolt him for more more more bolt holes
Q:There are 32; 3, 11/2, and so on, please master pointing, by the way, such tagging is based on what standards.
6 inches, 1 right, 4 inches, 3 inches, 2 inches, 1, 2 inches of right.
Q:A metal pipe nominal diameter 1200, using flange connection. In the original installation technical requirement, "parallelism: tolerance is 1mm/1000mm". How do you measure parallelism? What does this "1mm/1000mm" mean? How do you explain that?Another: flange roughness and how to measure and explain??
The control problem, method of measurement of parallelism is the datum plane placed on the plate, with a dial indicator to measure the surface within a range of 1200 error value does not exceed 1.2 mm.Flatness, in mechanical drawings, shapes and positional tolerances, is popularly known as flatness, defined as the maximum variation of the measured plane and the ideal plane in the tolerance range. The flatness of the reference plane requires a higher level.If the flatness of the reference plane of the flange is strict, the parallelism can be checked with a vernier caliper.
Q:Flange PL40 (B)What does PL40 mean in flange PL40 (B) -1.6RF304HG20593-97?
PL 'flat welding flange 40 nominal diameter DN40
Q:Flanges of different sizes
Variable diameter flange, also known as Reducing Flange, and its inner diameter and the standard flange diameter, there are some differences.In engineering, when the standard flange can not match the fittings and pipes, the reducing flange is used.China's national standards flange standard (GB) and chemical industry standard (HG) two categories, the new chemical industry standard HG/T20592 ~ 206352009 flange is used to the EN as the representative of the European standard pipe flanges (nominal pressure expressed by PN) and the United States as the representative of the American ASME system (nominal pipe flange the pressure expressed by Class), between them the nominal size of the feature size is different; moreover, our country pipeline diameter series is also divided and metric Inch series series, there are differences in the nominal size; in addition, when there are special requirements, such as flange instrument joints, when the glass lined the characteristics of some special requirements (give it a separate "glass lining of different diameter flange" HG/T2140-2009 standard). Therefore, the inevitable mixing in the project, the use of reducing the flange diameter of the method is the simplest and most effective solution, thus the emergence of non-standard variable flange.
Q:Our factory production of wind tower is to use forged flange (and specification is written in the continuous casting slab is not allowed), incoming raw materials warranty flange is written in continuous delivery, that is not the flange casting forging? Are you in a hurry to accept the goods?! I have less money, thanks in spirit, please knowledgeable people teach in, with little to say, it is best to have some basis for what? Thanks a million!
Casting and forging flange flange is not the same, is the use of steel or steel forged flange through blanking - heating - forging - lathe - - - - type oil packing factory etc.,Casting flange is the use of iron, iron grinding electric furnace melts, the molten iron is poured into a mold, cooling, processing, and some extra processing procedures, is that, molten iron is poured into a mold, molding after heating in forging a processing form.
Q:The equipment itself, metal, is the conductor. Why do we have to do the cross connection at the connecting flange? A little more detailedFlange is bolted through, you say that the anti - corrosion treatment, that is, paint what, but why did the anti-corrosion treatment, but it is easy to spark it? The pipeline carries natural gas. For example, say thank you
Inflammable and explosive places is to prevent power leakage and electrostatic spark using conductive metal will better connect the two flange reliable, pipeline grounding, flange generally corrosion caused by poor contact is easy to produce sparks, in order to prevent the accident of flange jumper.
Q:Flange DN25 PN4.025 what does it mean? 4, what does it mean?
2, in the valve industry, PN as nominal pressure symbol, and make the value of PN after the value of MPA, PN4.0, its nominal pressure value is 4.0Mpa
Q:What is the function of the flange stub?!
Flange is a kind of discoid parts, which is the most common in pipeline engineering. The edge has bolted mechanical structures, such as pipe joints, which can be bolted if flanges are attached to the flange. The flange cap is the flange of the cap and is bolted to the flange. Flanges are used in pairs.

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