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Pipes are produced by filament winding on fully automatic machinery in accordance with the following categories. CRPM Pipe Production Range Table
As
the mandrel moves, fine graded filler, glass fibers, resin and surface
materials are metered on in precise
amounts under the direction
of a programmable logic controller (PLC) and computer (PC). The PLC-PC
modules provide integrated process control based on preprogrammed recipes.
Only basic pipe data such as diameter, pressure and stiffness class needs
to be entered and the computer calculates all the machine settings.
Curing system consists of induction and infrared heating equipment. During
curing of pipe, temperatures are shown graphically on the PC monitor.
The operator presets the length of pipe in the control system so the saw operation is completely automatic After passing the cutting station, the cured pipe is supported on lifting tables that are specially designed for receiving the pipes. The pipe is then moved by conveyor to the chamfering and calibration unit and then to the hydrostatic pipe tester. All pipes are quality inspected after manufacture. Once inspected the pipe spigots are chamfered and calibrated where necessary for fitment of couplings. Each pipe is pressure tested to twice its nominal pressure class to verify performance.
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CRPM 300 - 2400 Winder
CRPMs
: Continuous Reinforced Piping Machines