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GRP Combined with PVC / PP / PE / PVDF Tank

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Product Description

Certification: ISO Technique: Filament Winding Specification: DN500-DN25000mm HS Code: 3925100000 Fiberglass Type: E-Glass Trademark: HYX Origin: China  FRP/GRP/GFRP/Fiberglass/composite vessel/tank can be divided: I. By shape: Horizontal tank/vessel, vertical tank/vessel with flat bottom, vertical tank/vessel with conical bottom, vertical agitating tank/vessel with flat roof, open top vertical tank /vessel, alien tank/vessel II. By manufacturing method: Shop tank/vessel (within DN 4m), on site tank/vessel (DN 4m - 25m), including FRP Tank/vessel combined with PVC, CPVC, PP, PE, PVDF, etc. III. By application:  Chemical storage, stress reaction kettle, scrubbing tower, spray tower, food fermentation, ultrapure water storage, transportation vessel for train and vehicle Typical process flow of FRP vessel  1. Design and confirm the drawings and calculation notes   2. Prepare the appropriate equipment and mold 3. Make the seamless liner with special spraying gun 4. Wind the structural layers with program computer 5. Hydrostatic test             
6. Package and delivery

Property Description 1.  The surface of resin-rich layer should be smooth and clean, without damage, whitening, delamination, foreign inclusion and exposed fiber. The convex-concave larger than 3mm in diameter and 0.5mm in depth (height) is not allowed; For the pressure vessel, the max. allowable air bubble is 4mm in diameter. Within the area of 1 m2, the air bubble within DN 4mm should be no more than 3, otherwise the repair should be given; the depth of crack should be no more than 0.2mm.   2.  The outer surface should be smooth and even color without whitening. Fiberglass must be impregnated with resin. Foreign inclusion, exposed fiber, interlayer delamination, delamination and resin blister, etc. are prohibited. 3.  For the resin content, it should be more than 90% in resin-rich layer, more than 75±5% in middle layer, more than 35±5% in structural layer and more than 90% in outer layer. 4.  The taper angle at the inner wall of tank is no more than 1°. 5.  Under the loading condition, the allowable hoop strain should not exceed 0.1%. 6.  When the winding layers are wound at helical winding angel 80°, its tensile strength should be equal to or more than 15MPa.   7.  Barcol hardness on proudct's surface should be no less than 40. 8.  Water absorption should be no more than 0.3%. 9.  Length tolerance (distance between the peaks of two ends) is 1%. 10.The tolerances of tower's straightness and installation verticality are both 1/1000mm tower's height. 11.The difference between the max. diameter and min. diameter from the same section of the shell should not exceed 0.5% of shell ID. 12.Verticality between flange surface and stub should be conformed to the following table:
Nominal DN of flange stub ≤100 <250 <500 <1000 <1800 <2500 <3500 <4000
Verticality 1.5 2.5 3.5 4.5 6 8 10 13
13.Angle deviation of flange stub should be conformed to the following table:
Nominal DN of flange stub <250 ≥250
Allowable angle toleranceφ 0.5°
14.If nominal diameter of pipe joint is no more than 50mm, it should be capable to bear the torque loading of 1360N·m without any damage; if more than 50mm, 2700N·m. 15.The pipe joint should be able to bear the following torque loadings without damage.
Pipe joint size(mm) 20 25 32 40 50 65 80 100 150 200
Torque loading (N·m) 230 270 320 350 370 390 400 430 470 520

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