HDPE Krah Pipe

Category： HDPE Krah Pipe
Product name:Sn4 Sn8 Sn10 Sn12.5 HDPE Winding Structure Wall Plastic Krah Pipe
Working pressure: PN4-PN12.5
Size: id300 to id40000
Standard: BS EN 13476
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Products Description

Krah pipe is a kind of special-shaped pipe with smooth inner wall and spiral strengthening outer wall. Spigot and socket Krah pipe
normally divided into B type and C type, which are green and flexible, use high density polyethylene as raw material, produced by
filament winding process in the states of hot-melt, gradually cooled by means of rolling air cooling and spraying in thermal state
and before demolding. It is available for a wide range of diameters from 300 mm to 3000 mm, can be connected by socket-joint. Krah
pipe has all the features: high strength, light weight, corrosion resistance, no leakage, good sealing and easy construction etc.,
be widely used in drainage projects.

Specification

Nominal OD (dn)	Min. mean diameter	The wall thickness of the min. layer pressure	Min. inner wall thickness
mm	mm	mm	mm
200	196	1.5	1.7
300	294	1.7	2
400	392	2.3	2.5
500	490	3	3
600	588	3.5	3.5
700	673	4.1	4
800	785	4.5	4.5
900	885	5	5
1000	985	5	5
1100	1085	5	5
1200	1185	5	5
1300	1285	6	5
1400	1385	6	5
1500	1485	6	5
1600	1585	6	5
1700	1685	6	5
1800	1785	6	5
1900	1885	6	5
2000	1985	6	6
2100	2085	6	6
2200	2185	7	7
2300	2285	8	8
2400	2385	9	9
2500	2485	10	10
2600	2585	10	10
2700	2685	12	12
2800	2785	12	12
2900	2885	14	14
3000	2985	14	14

Physical performance:

Item	Product Parameter
Ring stiffness (KN/m 2 )	SN4 ≥ 4, SN8 ≥ 8, SN16 ≥ 16
Impact performance	TRL ≤ 10%
Ring flexibility	No delamination, no cracking, no buckling deformation, no dents, no bulges
Creep rate	≤4
Tensile strength of Seams DN/ID ≤ 300 400 ≤ DN/ID ≤ 500 600 ≤ DN/ID ≤ 700 DN/ID ≥ 800	The Minimum endurable tensile force (KN) ≥ 380 ≥ 510 ≥ 760 ≥ 1020
Oven test	No delamination, no cracking on the seams

Advantages

1. Nontoxic
2. Corrosion resistance
3. No Leakage
4. Higher flow capacity
5. Convenient for construction and installation
6. Lower
system and maintenance costs
7. Longevity of working life
8. Carat Tube is recycled and Environment-friendly

Product package

Applications

、

1.Underground drainage, sewage, aeration and others in municipal construction areas;

2.Drainage for railway, highway, court and others in road engineering areas;
3.Nuclear power plants, steel mills, power plants, petrochemical plants, docks, stations;
4.Tidal flat, saline pool, riverbed, soft foundation expansive soil, earthquake zone and others in adverse environmental areas.

Installation Instructions

FAQ：

Q1. Are you trading company or manufacturer?
A: We are professional manufacturer and welcome to your visit at any time.
Q2. How long is your delivery time?
A: Generally it takes 5-10 days if the goods are in stock, which depends on your quantity and can be negotiable.
Q3: Do you provide samples?
A: Yes, of course, samples is available for small quantity we can supply for free.
Q4: What is your terms of payment? A: L/C, Western Union, T/T 30% in advanced, balance before shipment.
Q5: For pipe fittings, what do you do mainly?
A: For fittings, coupling(socket), elbow,tee,reducer,union, valve,cap,some electrofusion fittings and compression fittings.
Q6: Can i have my own logo on the product?
A: Yes, sure, you just send us your drawing, we'll make logo for you, and before production we will confirm with you in advance.
Q7: Can i request to change the method of package and transportation?
A: Yes, the packing and trasportation can be as per your requirements.

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HDPE Krah Pipe

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