2015-3-8
Ductile iron pipe is the prefered material used for conveying potable water, waste water, gas and...
ISO2531, EN545 , AWWA C153
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2009-6-22
material: ductile iron
paint: bitumen
dimension: 600mm clear opening
with hinge or other lock...
manhole cover
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2009-5-6
SAND CASTING:
Weight:0.05-5,000Kg.
Tolerance:CT8-11
Technic:clay sand,resin sand,water glass...
ductile, casting , grey
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