GRP FRP Pipes Sea Water Pipe Series DN 1400

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Lianyungang
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100 pc
Supply Capability:
10000 pc/month

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Features & Benefits of GRP FRP pipe sea water pipe series

Corrosion-resistant

•Long, effective service-life materials

•No need for linings, coatings, cathodic protection, wraps or other forms of corrosion protection

•Low maintenance costs

•Hydraulic characteristics essentially constant over time

Light weight

(1/4 weight of ductile iron; 1/10 weight of concrete)

•Low transport costs (nestable)

•Eliminates need for expensive pipe handling equipment

Long standard lengths

(6, 12 metres)

Fewer joints reduce installation time

More pipe per transport vehicle means lower delivery costs

Extremely smooth bore

Low friction loss means less pumping energy needed and lower operating costs

Minimum slime build-up can help lower cleaning costs

Precision sealability

With elastomeric rubber rings

Tight, efficient joints designed for bell & spigot to eliminate infiltration and ex-filtration

Ease of joining, reducing installation time

Accommodates small changes in line direction without fittings or differential settlement

Flexible manufacturing

•Custom diameters can be process manufactured to provide maximum flow volumes with ease of installation for rehabilitation

lining projects

High technology pipe design

•Lower wave celerity than other piping materials can mean less cost when designing for surge and water hammer pressures

High technology pipe manufacturing system producing pipe that complies to stringent performance standards (AWWA, ASTM, DIN, EN, etc.)

•High and consistent product quality worldwide which ensures reliable product performance

Control Testing of GRP pipe sea water pipe series

Raw Materials

Raw materials are delivered with vendor certification demonstrating their compliance with Zhongfu Lianzhong quality requirements. In addition, all raw materials are sample tested prior to their use. These tests ensure that the pipe materials comply with the specifications as stated

Physical Properties

The manufactured pipe’s hoop and axial load capacities are verified on a routine basis. In addition, pipe construction and composition are confirmed.

Finished Pipe

All pipes are subjected to the following control checks:

• Visual inspection

• Barcol hardness

• Wall thickness

• Section length

• Diameter

• Hydrostatic leak tightness test to 1.5 rated pressure (only PN6 and above)

On a sampling basis, the following control checks are performed:

Pipe stiffness

Deflection without damage or structural failure

Axial and circumferential tensile load capacity

Thickness and Weight of Standard Pipes based on Internal Pressure of GRP pipe sea water pipe series

1. Internal liner (thickness 1.0 – 2.0 mm)

   In tables bellow thickness include 1.5mm of liner and minimum pipe Stiffness 1250 Pa

2. Mechanical resistant layer in glass filament winding (based on internal pressure)

3. Top coat (0.2 – 0.3mm) . In tables bellow thickness include 0.2mm of top coat


GRP FRP Pipes Sea Water Pipe Series DN 1400

UnloadingHandlingTransportation and Storage of GRP pipe sea water pipe series

Unloading and Handling Pipes

Unloading the pipe is the responsibility of the customer. Be sure to maintain control of the pipe during unloading. Guide ropes attached to pipes or packages will enable easy manual control when lifting and handling. Do not drop, impact, or bump the pipe, particularly at pipe ends.

If at any time during handling or installation of the pipe, any damage such as a gouge, crack or facture occurs, the pipe should be repaired before the section is installed.

Transporting Pipes

Strap pipe to the vehicle over the support points using pliable straps or rope. Never use steel cables or chains without adequate padding to protect the pipe from abrasion. Bulges, flat areas or other abrupt changes of curvature are not permitted. Transport of pipes outside of these limitations may result in damage to the pipes.

Site Pipe Storage

It is generally advantageous to store pipe on flat timber to facilitate placement and removal of lifting slings

around the pipe.

When storing pipe directly on the ground, be sure that the area is relatively flat and free of rocks and other

potentially damaging debris. Placing the pipe on mounds of backfill material has been found to be an effective

way of site storing the pipe. All pipes should be chocked to prevent rolling in high winds.



GRP FRP Pipes Sea Water Pipe Series DN 1400

GRP FRP Pipes Sea Water Pipe Series DN 1400

FAQ of GRP pipe sea water pipe series

Q1: What’s the performance standards?

Lianzhong pipe is designed to meet all of these ASTM , AWWA, BS, DIN standards.

Q2: What’s the qualification testing for the products?

 Lianzhong pipe has been rigorously tested to verify conformance to the ASTM D3262, ASTM D3517, AWWA C950 and DIN 16868 requirements

Q3: How long can I receive my goods?

A: Usually, we will deliver products within 20 days after the contract is signed. Delivery time is negotiable when necessary.




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Q:Uneven settlement of the foundation, can lead to glass fiber reinforced plastic underground water pipes burst, what is the principle?
Can cause rupture. FRP material originally resistant to pressure better, tensile, shear resistance is poor, the foundation sinking is shear, I want to sink more than 5 cm, if the soil around the pipeline is compacted, it may break
Q:The role of glass fiber reinforced plastic cooling towers
Central air conditioning also has cooling tower function is to play the role of cooling circulation.
Q:What kind of diamond saw blade for cut glass steel pipe?
It is better to use ceramic stem slice, thin, toothless and wear less.
Q:What is the standard of flange coefficient for FRP ducts?
That quota said: glass steel duct, pipe fittings, flange and reinforcing frame are in accordance with the finished preparation, only the wind pipe and the valve flange connection, before the implementation of the equipment support within the 20kg section, multiplied by the coefficient 1.4. Glass fiber reinforced plastic wind pipe is finished product: when it is made, there are moulds. According to the design of the drawing, the mould is made. The flange and the air duct are one! Remove the mold and install the hole on the flange! In general negotiations with the manufacturers directly n yuan / square meter (production, installation), whether it involves the number of flanges, such as included, there is no need to re count, direct calculation of the inner diameter of the air duct is the expansion area!
Q:Are there any differences between FRP pipes and FRP pipes?
The mechanism glass magnesium composite pipe is made of glass cloth, magnesium and earth, which is hard to burn. The glass fiber reinforced plastic pipe is made of glass cloth and resin, and it is inflammable and light in weight.
Q:FRP acceptance standard
Perform hydrostatic test. In order to comprehensively check the installation quality of pipes, the pressure test shall be carried out according to the test methods stipulated in the code for construction and acceptance of water supply and drainage pipe works, and the allowable seepage water quantity shall be carried out according to the standards of the steel pipe.
Q:Who knows, how is the glass reinforced septic tank connected with the municipal pipe?
Septic tank (Hu, F, NCH) is the treatment of nightsoil and to filter precipitation equipment. The principle is that the cured material decomposes at the bottom of the tank, and the upper hydration object flows into the pipeline to prevent the pipe from clogging and has enough time to hydrolyze the solidified object (such as excrement and urine). Tank (septic) refers to the division of living sewage sludge, and anaerobic digestion of sludge structure of small structures.
Q:Why FRP pipe corrosion?
If it is ordinary water, generally does not count corrosion, there will be no obvious corrosion, long time began to soak rotten.
Q:What are the construction methods of glass fiber reinforced plastic paint anticorrosive pipes?
Epoxy coal tar pitch is a kind of anti-corrosion form with high cost performance. The engineering test shows that the epoxy coal asphalt is used as cathodic protection.
Q:How can I make up the broken glass fiber?
If the glass fiber reinforced plastic pipe is broken, how do you fix it and repair it better?. It's better to replace it. I wonder how much pressure you use for fiberglass pipes. The proposal is to replace the pipeline.

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