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  • High Quality for D400 Recessed Cover – Cast Iron Drainage Sewage Fittings –  YONGTIA

    High Quality for D400 Recessed Cover – Cast Iron Drainage Sewage Fittings – YONGTIA

    The gray cast iron soil pipes produced by centrifugal technology which are used in drainage sewer system and ventilation ducts system through a flexible linkage.  Which have following advantages: flat straight, even pipe wall. high strength and density,high smoothness internal and external surface, no casting defect, easy installation, easy maintain, long using life, environmental protecting, fireproofing and no noise. DN External diameter DE(mm) Wall thickness (mm) T Unit w...
  • Excellent quality Concrete Manhole Cover - Ductile Iron Manhole Cover –  YONGTIA

    Excellent quality Concrete Manhole Cover - Ductile Iron Manhole Cover – YONGTIA

    1) Material: a) Ductile Iron GGG500-7 & 400-12. b) Grey Iron GG20. 2) Designs: a) EN124 A15, B125, C250, D400, E600 and F900. b) A60005 for casting design. c) Major standards designs available. d) As per customers’ drawings or samples. 3) Process: c) Molding boards. d) Green sand with hand molding. 4) Coating: a) Cold applied black bitumen. b) Without coating. c) Coating as per customers’ requirement. 5) Different accessories are available. Ductile Iron Manhole Coverand ...
  • 2022 Good Quality Lockable Manhole Cover - Ductile Iron Manhole Cover –  YONGTIA

    2022 Good Quality Lockable Manhole Cover - Ductile Iron Manhole Cover – YONGTIA

    1) Material: a) Ductile Iron GGG500-7 & 400-12. b) Grey Iron GG20. 2) Designs: a) EN124 A15, B125, C250, D400, E600 and F900. b) A60005 for casting design. c) Major standards designs available. d) As per customers’ drawings or samples. 3) Process: c) Molding boards. d) Green sand with hand molding. 4) Coating: a) Cold applied black bitumen. b) Without coating. c) Coating as per customers’ requirement. 5) Different accessories are available. Ductile Iron Manhole Coverand ...
  • Good quality Double Sealed Manhole Cover - Ductile Iron Manhole Cover –  YONGTIA

    Good quality Double Sealed Manhole Cover - Ductile Iron Manhole Cover – YONGTIA

    1) Material: a) Ductile Iron GGG500-7 & 400-12. b) Grey Iron GG20. 2) Designs: a) EN124 A15, B125, C250, D400, E600 and F900. b) A60005 for casting design. c) Major standards designs available. d) As per customers’ drawings or samples. 3) Process: c) Molding boards. d) Green sand with hand molding. 4) Coating: a) Cold applied black bitumen. b) Without coating. c) Coating as per customers’ requirement. 5) Different accessories are available. Ductile Iron Manhole Coverand ...
  • High Quality Cement Manhole Cover - Ductile Iron Manhole Cover –  YONGTIA

    High Quality Cement Manhole Cover - Ductile Iron Manhole Cover – YONGTIA

    1) Material: a) Ductile Iron GGG500-7 & 400-12. b) Grey Iron GG20. 2) Designs: a) EN124 A15, B125, C250, D400, E600 and F900. b) A60005 for casting design. c) Major standards designs available. d) As per customers’ drawings or samples. 3) Process: c) Molding boards. d) Green sand with hand molding. 4) Coating: a) Cold applied black bitumen. b) Without coating. c) Coating as per customers’ requirement. 5) Different accessories are available. Ductile Iron Manhole Coverand ...
  • Factory Promotional Temporary Manhole Cover - Ductile Iron Manhole Cover –  YONGTIA

    Factory Promotional Temporary Manhole Cover - Ductile Iron Manhole Cover – YONGTIA

    1) Material: a) Ductile Iron GGG500-7 & 400-12. b) Grey Iron GG20. 2) Designs: a) EN124 A15, B125, C250, D400, E600 and F900. b) A60005 for casting design. c) Major standards designs available. d) As per customers’ drawings or samples. 3) Process: c) Molding boards. d) Green sand with hand molding. 4) Coating: a) Cold applied black bitumen. b) Without coating. c) Coating as per customers’ requirement. 5) Different accessories are available. Ductile Iron Manhole Coverand ...
  • High reputation Concrete Drain Cover - Cast Iron Drainage Sewage Fittings –  YONGTIA

    High reputation Concrete Drain Cover - Cast Iron Drainage Sewage Fittings – YONGTIA

    The gray cast iron soil pipes produced by centrifugal technology which are used in drainage sewer system and ventilation ducts system through a flexible linkage.  Which have following advantages: flat straight, even pipe wall. high strength and density,high smoothness internal and external surface, no casting defect, easy installation, easy maintain, long using life, environmental protecting, fireproofing and no noise. DN External diameter DE(mm) Wall thickness (mm) T Unit w...
  • China OEM Astm A888 All Inch Black Cast Iron Pipe - ASTM A888/CISPI301 Hubless Cast Iron Soil Pipe –  YONGTIA

    China OEM Astm A888 All Inch Black Cast Iron Pipe - ASTM A888/CISPI301 Hubless Cast Iron Soil Pipe – YONGTIA

    (mm) Pipe body (mm) (mm) Socket (mm) (mm) Nominal size  A  B C  F G  H  J Length DN Min Internal diameter A Max External diameter B Nominal Wall thickness C Min Internal diameter F Max External diameter G Nominal Thickness H Min Depth J L 50 48 63 5 73 89 6.5 64 1830+/-20 75 74 89 5 100 116 6.5 70 1830+/-20 100 99 114 5 127 143 6.5 76 1830+/-20 150 150 165 5 181 197 6.5 89 1830+/-20
  • Massive Selection for Inspection Cover And Frame - Cast Iron Drainage Sewage Fittings –  YONGTIA

    Massive Selection for Inspection Cover And Frame - Cast Iron Drainage Sewage Fittings – YONGTIA

    The gray cast iron soil pipes produced by centrifugal technology which are used in drainage sewer system and ventilation ducts system through a flexible linkage.  Which have following advantages: flat straight, even pipe wall. high strength and density,high smoothness internal and external surface, no casting defect, easy installation, easy maintain, long using life, environmental protecting, fireproofing and no noise. DN External diameter DE(mm) Wall thickness (mm) T Unit w...
  • Factory wholesale Steel Chamber Cover - Cast Iron Drainage Sewage Fittings –  YONGTIA

    Factory wholesale Steel Chamber Cover - Cast Iron Drainage Sewage Fittings – YONGTIA

    The gray cast iron soil pipes produced by centrifugal technology which are used in drainage sewer system and ventilation ducts system through a flexible linkage.  Which have following advantages: flat straight, even pipe wall. high strength and density,high smoothness internal and external surface, no casting defect, easy installation, easy maintain, long using life, environmental protecting, fireproofing and no noise. DN External diameter DE(mm) Wall thickness (mm) T Unit w...
  • OEM China Wrekin Manhole Covers - Ductile Iron Manhole Cover –  YONGTIA

    OEM China Wrekin Manhole Covers - Ductile Iron Manhole Cover – YONGTIA

    1) Material: a) Ductile Iron GGG500-7 & 400-12. b) Grey Iron GG20. 2) Designs: a) EN124 A15, B125, C250, D400, E600 and F900. b) A60005 for casting design. c) Major standards designs available. d) As per customers’ drawings or samples. 3) Process: c) Molding boards. d) Green sand with hand molding. 4) Coating: a) Cold applied black bitumen. b) Without coating. c) Coating as per customers’ requirement. 5) Different accessories are available. Ductile Iron Manhole Coverand ...
  • Cheap price Internal Manhole Covers - Ductile Iron Manhole Cover –  YONGTIA

    Cheap price Internal Manhole Covers - Ductile Iron Manhole Cover – YONGTIA

    1) Material: a) Ductile Iron GGG500-7 & 400-12. b) Grey Iron GG20. 2) Designs: a) EN124 A15, B125, C250, D400, E600 and F900. b) A60005 for casting design. c) Major standards designs available. d) As per customers’ drawings or samples. 3) Process: c) Molding boards. d) Green sand with hand molding. 4) Coating: a) Cold applied black bitumen. b) Without coating. c) Coating as per customers’ requirement. 5) Different accessories are available. Ductile Iron Manhole Coverand ...