Manhole cover : ductile iron
Eblow material: cast iron, gray cast iron
Nominal size: dn50-dn300
Standard: din/ en877, iso6594, astm a 888, cispi301, ksd4307
Nominal pressure:1.6mpa
Strength 2.4mpa
Enclose:1.76mpa
Suiable temperature:<80
Suitable medium:water
Out:wooden crated
Inner: adhesive bonded fabric
