Widely applied in municipal construction, oil, chemicals, power, metallurgy, environmental protection, food, agriculture, medicine and other fields. Diameter: DN100~4000mm Pressure: PN0.1~2.5MPa Rigidity level: SN1250-10000 N/m2 Length: 6m, 12m
Pipes & ducts are manufactured using the "dual helix" filament winding process on computer controlled machines. By adjusting the relative speed of mandrel rotation and glass distribution head movement, helical reinforced layers with different angles can be wound. In order to increase the pipe stiffness, especially on large diameter pipes, silica sand can be added to parallel layers of wall. Nominal diameter Nominal size of pipe and fitting is based on internal diameter. The range of available sizes is 25 to 3000 mm. Nominal pressure classes: Pipes and fittings are classified according to nominal pressure. Standard pressure classes are 4, 6, 10, 16, 20 and 25 bars. Intermediate or higher-pressure classes are considered on request or depending on the design parameters and conditions Nominal lengths Pipes have a length of six meters up to nd150 and 12 meters for bigger diameters. Fittings A wide range of fittings as elbows, reducers, tees, caps, flanges etc. Is available. Fittings are manufactured by the hand lay-up, contact molding and spray-up process. In hand lay-up and contact molding processes veil and alternate layers of mat and woven roving saturated with resin are applied on the mold. In spray-up process continuous strand roving is fed through a chopper gun, combined with catalyzed resin, and sprayed onto the mould surface Prefabrication spools Prefabricated spools save installation time as well as costs, freeing the designer from being limited to standard fittings and allowing junction sizes shapes to be specified and manufactured as a better alternative to a complex series of joints.
LANDYOUNG GRP jacking pipes is manufactured in accordance with international standard using Helical FILAMENT winding process and Continuous FILAMENT winding process on computer controlled machines. DESCRIPTIONS LANDYOUNG GRP jacking pipes is manufactured in accordance with international standard using Helical FILAMENT winding process and Continuous FILAMENT winding process on computer controlled machines. GRP jacking pipe is designed to meet the exacting demands of pipeline construction and rehabilitation using trenchless micro-tunnelling and pipe-relining methods. Applications LANDYOUNG GRP jacking pipe is suitable for use in pressure, non-pressure and trenchless applications for potable, non-potable, industrial, drainage and wastewater systems. Water Sewage & wastewater Pipe-relining Road & rail culverts Asset encasement (e.g. protection for pressure pipelines) Ducts Advantages The GRP Jacking pipe has been engineered to deliver a range of features and benefits that make it suitable for the applications above, including: Superior axial compressive strength Excellent hydraulic performance Light weight and corrosion resistant Corrosion resistance Smaller tunnel diameter and reduced spoil volume Lower jacking forces required during installation Smaller entry/exit pits Longer drive lengths Faster construction time and lower installation costs Reduced environmental disturbance and social cost Product Range and properties Diameters: DN300 DN4000 Ring Stiffness: SN20,000 SN1,000,000 Coupling material: GRP, Carbon steel, Stainless Steel Pipe lengths: 1m to 5.8m (standard length 2m) Ultimate Compressive Strength: 85N/mm2 Jacking Force Safety Factor: 3.5 Colebrook-White Coefficient: 0.01mm
Coupling 45 elbow 90 elbow Tee Reducing tee Flange Field thread Nipple Reducer .
According to the shape of media, FRP vessels can be divided into three categories of liquid, gas, solid tank; according to the pressure grade, can be divided into two categories of ATM tank and pressure tank; According to shape of vessel, can be divided into three categories of horizontal cylinder tank, vertical cylinder tank, rectangle tank; And PVC/FRP, PP/FRP, PVDF/FRP composite tanks.
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