Gold Member Since 2012
Audited Supplier
He Bei Cheng Da FRP Co., Ltd.

Rtrp Pipe, FRP Pipes, Gre Pipe manufacturer / supplier in China, offering Quality Fiberglass Pipe, Reliable Design and Service, Multiwall Polycarbonate Sheet Panels with UV Coating, Polycarbonate Twinwall Panels for Greenhouse and so on.

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Quality Fiberglass Pipe, Reliable Design and Service

FOB Price: US $15 / Meter
Min. Order: 200 Meters
Min. Order FOB Price
200 Meters US $15/ Meter
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Port: Tianjin, China
Production Capacity: 50PCS/Day
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: DN50-DN2500
  • Product Categories: FRP Pipe
  • Material: Fiberglass
  • Type: Polyester FRP
  • Trademark: ChengDa
  • Specification: SGS
  • HS Code: 70199000
  • Usage: Industral
  • Molding Method: Molding
  • Fiber Type: GFRP
  • Anti Corrosion Pipe: Size 25mm-30000mm
  • Transport Package: Steel Structure
  • Origin: Hebei
Product Description

  • Quality Fiberglass Pipe, Reliable Design and Service
    Pipes are manufactured by the filament winding process.In this process the continuous fiberglass strand roving are wound onto the outside of mandrel in a predetermined pattern under controlled tension . The roving are saturated with the resin /curing agent mixture and helical wound under a calculated winding angle .
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    Quality Fiberglass Pipe, Reliable Design and Service
  • The key lock joint is an integral joint . The spigot end has two grooves in which O-ring seals are mounted and a locking strip groove.
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  • Due to the fact that the joint is restrained by a loose item , the locking strip , they key lock joint allows for an angular deflection . This type of joint is foolproof and quick to install . O-ring should be made of EPDM rubber , locking belt strip should be made from suitable grade of Nylon or glass reinforced Nylon and is shall be molded .
    Quality Fiberglass Pipe, Reliable Design and Service
 
 
Item 
Activity
 
Inspection According to
 
Inspection Criterion
 
Supplier
Third Party 
Client
1 Document Checking
1.1 
Quality Plan
 
Quality Plan
 
The drawing from the client
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1.2Production Plan 
Production Plan
Delivery date of the clientR
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1.3 
ITP
AWWA C950-07
 
AWWA C950-07R
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1.4 
Design Drawing
 
P450-100-83-0001
 
P450-100-83-0001
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2 Mandrel Inspection
2.1 
Out Diameter
AWWA C950-07
Sec.4.5
DN80:78~82
DN100:97~103
DN150:147~153
DN200:196~204
Tolerance ±1.5
DN300:296~306
Tolerance ±1.8
DN400:396~408
Tolerance ±2.4
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2.2 
Bell out diameter(no plastic film)
 
Dimension table
For bell& spigot
DN80:101.5
DN100:122
Tolerance
±0.20
DN150:178.5
DN200:237.6
Tolerance
±0.25
DN300:346.64
DN400:447.5
 
Tolerance
±0.30
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2.3Flange mould :
Inner diameter of flange face , face type
ASME B16.5-2009
6.3 and form8
DN80:190
DN100:230
DN150:280
DN200:345
DN300:485
DN400:595
Flange face type FF
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3Raw  Material
3.1 Liner resin
 
Structural wall resin
Palatal A400-976
 
 
Palatal P65-901
 
DSM Resin Catalogue  and Test Report
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3.2Fiberglass rovingGB/T18369
GB/T18370
GB/T18470
E-fiberglass dominant
Manufacture 's
Catalogue and test report
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3.3Promoting AgencyMEKP (Norox 925H): Syrgis
SW1305
 
Product catalogue
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4Inspection and test
4.1 
Appearance
AWWA C950-07
Sec. 4.2
.The inner surface shall be free from all defects, including pits, delaminations, bubbles,  pinholes, cracks, foreign inclusions  that affect the strength and serviceability of the pipe . The pipe out surface  shall be as uniform as commercially in color ,opacity , no prominent defects .Sign:
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4.2 
Wall Thickness
AWWA C950-07
Sec. 4.5.3
ASTM D3567
The thinnest part shall be thicker or as same  as 80% of the total wall thickness , the average wall thickness shall not thinner  than the designing thickness .
mm
Dia  Thickness
400    9
300    7
200    5.5
150    4.5
100    4.5
80     4.5
50     4.5
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4.3 LengthGB/T 21238-2007 Not bigger than 0.5% of the designing length .   
4.4Barcol HardnessGB/T 21238-2007
GB/T 3854
Out wall surface Barcol Hardness 50H
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4.5 
Hydrostatic Leak testing
AWWA C950-07
Sec. 5.1.2.1,
 
Randomly select one sample pipe of each size to test  at pressure 3.2Mpa, no damage ,leaking and sweating .  H
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4.6Stiffness TestAWWA C950-07
Sec. 5.1.2.2
ASTM D2412
 Select one pipe DN300 and one pipe DN400, the testing result shall be higher than designing value .
Not necessary to test the smaller sizes ).
Designing  Stiffness :
 
Dia   Stiffness(KPa)
400   800
300   800
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4.7 
Deflection Test
AWWA C950-07
Sec. 5.1.2.2
 
 
Level A no surface cracks on the liner
 
No structural damage evidenced by interlaminar separation ,fracture or buckling
B=30(62/ Tested Stiffness)^0.33,A=0.6B
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4.8 
Hoop Tensile Test
AWWA C950-07
Sec. 5.1.2.3
ASTM D638 DN400;
ASTM D2290 DN300\DN200\DN150\DN100;
ASTM D1599 DN80\DN50
Select one sample pipe  for each size , the result value shall be higher than the designing value(Si/Sr=6.3):
Dia  Hoop Tensile( KN/m)
 
DN400     2160
DN300     1440
DN200     1008
DN150     756
DN100     504
DN80      404
DN50      252
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4.9 
Axial Tensile Test
AWWA C950-07
Sec. 5.1.2.4
ASTM D638
 
In case the tested outcome value is 15% lower than the designing value ,
Apply beam strength test in according to C950-07 Sec.5.1.2.5 
Select one sample pipe  for each size , the result value shall be higher than the designing value:
 
Dia   Axial Tensile KN/m
 
DN400     182
DN300     137
DN200     102
DN150     71
DN100     63
DN80      63
DN50      63
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4.10Flange Fittings 
Quality Plan
Adopting flange connection)
Vertical tolerance of flange 0.5°
Flatness tolerance of flange ±0.5mm
 
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4.11 
Joint pressure test
 
Quality Plan
Test one bell& spigot joint of each size , at pressure 2.4Mpa, 3°deflectionH
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5. 
Marking
 
Quality Plan
Each pipe& fitting  marked with , diameter, Standard code, working pressure , length , code for installation .H
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6DocumentsDrawing
Catalogue
Test Report Packing List
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