High precision steel
moulds are rolled by steel plates, then produced by welding, heat
treatment (removing internal stress), rough turning, fine turning,
grinding, polishing and other techniques, which is unique in the
market. Its characteristics such as high precision, smooth finish
degree and easy de-moulding make the produced tubes spared in
materials.
Howerer for large
diameter GRP pipes, it is very expensive to manufacture steel
moulds; thus we could also adopt steel structure as the framework
and process GRP as the surface. This combined structure has the
characteristics such as simple production and low cost. In China,
more than *5% of GRP pipe manufacturers are using this type of
combined GRP moulds to manufacture qualified GRP pipes in
compliance with international standards and export them to the
overseas market.
In addition, we are also supplying the following
size moulds for manufacturing GRP pipes and fittings or
GRP tanks:
1. GRP Tank steel moulds:
DN**0~DN***0mm 2. GRP Pipe steel moulds:
DN*0~DN***0mm 3. Composite pipe
mould with steel liner and FRP reinforced material: DN**0mm-DN
***0mm 4.Flange steel moulds:
DN*5~DN***0mm 5.Elbow steel moulds:
DN*5~DN**0mm.
