GRP FRP Pipes Sea Water Pipe Series DN 600

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Features & Benefits of GRP FRP pipe sea water pipe series


•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 600

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 600

GRP FRP Pipes Sea Water Pipe Series DN 600

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:The outer thermal protection layer of the pipeline is made of GFRP. Which guy knows the construction method?
One is to finish insulation wrap (Qin material cloth) and then wrapped a layer of glass paper....... The other is a glass lined steel pipe outside the pipe and then foamed and insulated inside
Q:What is the structure and function of glass fiber reinforced plastic lining?
Repeat the process of brushing and sticking, forming three cloth, four glue or four cloth, five glue process, according to the corrosive strength of the medium, the thickness of the glass fiber reinforced plastic lining layer is different, and the price is different.FRP lining is slightly cheaper than rubber lining, but the price is only about 30% of the latter
Q:The role of glass fiber reinforced plastic cooling towers
Thermal power plants usually have cooling towers. Water heating, high pressure gas generated by promoting the steam turbine power generation, and the remaining gas cooling.
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:Designed to support FRP pipes, is it m or mm?
The glass steel pipe wall smooth, do not scratch the cable, socket type interface, convenient installation and connection to thermal expansion and contraction, the proportion of small, light weight and reduce installation labor, reduce the cost of installation, FRP cable protection pipe used for electric power, communication cable, in various environmental protection pipe laying cables, especially through the traffic crossing to the cable across the river the use of the bridge, under special circumstances, can fully reflect its simple construction, high strength, excellent performance, widely used in electric power, communications, transportation, civil aviation, airport infrastructure and other Domain company always adhere to the "customer first, integrity management, intentions services for business philosophy, is willing to work with friends from all walks of life to strengthen cooperation, mutual cooperation, common progress and win-win
Q:What are the advantages of FRP pipes?
As a result, aviation, rockets, aerospace vehicles, high pressure vessels, and other applications that need to reduce weight have excellent results. The tensile, flexural and compressive strengths of some epoxy FRP can reach over 400Mpa.
Q:What kind of project needs fiberglass pipe?
Suitable for high temperature, high corrosion resistance and high pressure conditions, if you are interested can also go to Guangzhou to visit the company Weibo glass steel and understanding
Q:Why FRP pipe corrosion?
No material was selected. If there is corrosive requirements, it is necessary to use corrosion-resistant materials to make glass fiber reinforced plastic pipe.
Q:Characteristics of FRP pipes
(1) corrosion resistance: chemically inert material, excellent corrosion resistance, and can choose different corrosion resistant pipes according to the transmission medium.(2) strong mechanical strength: good water pressure resistance, good resistance to external pressure and impact strength, and piping and fittings can be designed according to the required pressure.(3) temperature adaptability: the use of temperature range: greater than -70 degrees Celsius, less than 250 degrees Celsius, under the freezing medium, the pipe is not split.(4) the resistance of the fluid is small: the pipe wall is smooth, the roughness coefficient is 0.0084, and the pipe diameter can be reduced under the same flow rate.(5) light weight, long life: light quality, convenient transportation, low construction cost, no maintenance, and the service life of more than 50 years.(6) maintain the water quality: non-toxic, conveying drinking water, can maintain long-term water quality sanitation. The application of FRP: the drinking water distribution pipe and line pipe conveying
Q:Glass tube has different diameters with different prices. Who can elaborate?
The standard for FRP pipe execution is GB21238-2007

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