|1) All of patterns are ready from DN 40mm to DN 1,200mm |
2) Materials: ductile iron GGG500-7 and 400-12 or ASTM-A-536 grade 80-55-06
3) Surface coating:
a) Epoxy coating (blue, red, black)
b) Inner and outside black bitumen
c) Cement inner lining and outside black bitumen
d) Inner and outside without coating
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