For the PP-lined Malleable Cast Iron Fittings with Epoxy Coating, they are made of black fittings and lined with PP via injection machine with outside epoxy coating, used to connect the PE-lined steel pipe with outer PE coating(Poly Steel Pipe) by thread.
This kind of fittings are also called as poly stee l fittings in Malaysia.
The working pressure is up to 1.6Mpa and size available is from 1/2" to 4"
Specification: BS EN 10241:2000, BS EN10226-1:2004, BS EN10242, BS143&1256
JWWA K116:1987, JPF MP003-2003, JPF MP005-2004, CJ/T137-2008