1.THE PIPE CONFORM TO ISO2531 STANDARD£¬T TYPE JOINT£¬K9£¬THE LENGTH OF THE PIPE IS 6M. 2:THE CEMENT LINING OF THE PIPE CONFORM TO ISO4179 STANDARD£¬THE BITUMEN COATING(70um) AND ZINC SPRAYING(130g/square meter)OF THE PIPE CONFORM TO ISO8179 STANDARD. 3. INCLUDE 100% SBR RUBBER RING.
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