GRP FRP Pipes Sea Water Pipe Series DN 125

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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 125

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 125

GRP FRP Pipes Sea Water Pipe Series DN 125

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:How can FRP tanks be connected to steel tubes?
Glass tube and carbon steel pipe connection, at present, the most reliable way of connection is only flange connection, other such as on-site bonding, because the two kinds of material is not the same, the quality is not very stable after bonding!
Q:How is the glass reinforced septic tank and the cement drain pipe connected?
The interface can be bonded with epoxy resin adhesive. The epoxy resin strongly adhere to the two materials, but the bonding surface must be clean.
Q:FRP duct material plan is how to mention?
Multi plan square, but also according to the combination of site and construction drawings, to see how much
Q:Slurry circulation glass fiber reinforced plastic pipe
Slurry circulation glass fiber reinforced plastic pipe anti fouling and anti boring. Unsaturated polyester resin pipe surface clean and smooth, the special media will not be defiled rot fungi and other organisms have, for example, steel, cast iron or steel reinforced concrete pipes, the surface is easily attached and difficult to remove microbial decay, resulting in increased roughness, reduce cross section. The glass fiber reinforced plastic pipeline will not produce microorganisms in the case of light avoidance, so it is pollution-free and long-term clean.
Q:How to install FRP pipe correctly
And glass fiber reinforced plastic parts (three, elbow, etc.) in general, the best way is on-site bonding, quality stability and convenience.
Q:What are the main materials used for steel pipes?
The grade of the material according to the general use of distinction: 1, clean air conditioning system with wind pipe: galvanized plate, stainless steel (disabled; glass steel, composite dust pollution may be used in the wind pipe with 2), the central air conditioning system: galvanized plate, color steel insulation board; (can use glass steel, the composite wind pipe) in 3, the environmental control system: galvanized steel plate, stainless steel; (can use plastic, glass steel, composite materials) duct 4, industrial ventilation system: steel plate, galvanized plate; (can use plastic, glass steel, composite materials) Note: can be divided into two kinds of organic and inorganic glass steel duct, according to the design specification has disabled organic material fire safety requirements; air duct 5, special occasions: glue cloth hairdryer, mine plastic mine ventilation pipe; (flame retardant and anti-static characteristics of mine safety requirements)
Q:Glass fiber reinforced plastic pipeline to do anti-corrosion?
Glass steel pipe does not need to do anti-corrosion treatment, the material itself is the biggest advantage of corrosion resistance
Q:What are FRP pipes made of?
It has excellent corrosion resistanceDo not use cathodic protection and other anti-corrosion measures to produce two contamination of water and other media. Long service life of products.
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:A basic overview of FRP pipes
FRP pipes are made of resin (feed water, food grade resin), glass fiber and quartz sand as raw materials and made by special process.

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