Model No.︰-

Brand Name︰Ductile Iron Fittings-ISO 4633,ISO 877,BS4772

Country of Origin︰-

Unit Price︰-

Minimum Order︰-

Inquire Now

Product Description

 The main products are cast pipe fittings which are divided into resin-boned sand and steel casting green sand, diameter DN80-DN 1600.

Ductile Iron Pipe Fitting- Flange Type
  All Flanged Tee- ISO2531, K14, PN10 / PN16 / PN25
  Double Flanged Bend- ISO2531, K12, PN10 / PN16 / PN25
  Flanged Socket- ISO2531, K12, PN10 / PN16 / PN25
  Dimension of Flange- ISO2531, BS EN 545, ISO 7005-2
  Blank Flange- ISO2531, K12, PN10 / PN16 / PN25
  Flanged Bellmouth- ISO2531, K12, PN10 / PN16 / PN25
  Ductile Iron Pipes with Integrally Cast Flanges- ISO2531, K12, PN10 /PN16 / PN25
  Double Flanged Taper- ISO2531, K12, PN10 / PN16 / PN25

Ductile Iron Pipe Fitting- Socket Type
  Double Socket Tee with Flanged Branch- ISO2531, K14
  All Socket Tee- ISO2531, K14
  Double Socket Taper- ISO2531, K12
  Double Socket Level Invert Tee with Flanged Branch- ISO2531, K14
  Double Socket Bend- ISO2531, K12 MJ Collar- ISO2531, K12

Ductile Iron Pipe Fitting- Special Type
  Dismantling Adaptor-ISO2531, PN10 / PN16 / PN25
  Flanged Adaptor- ISO2531, K12, PN10 / PN16 / PN25
  Flexible Coupling

Centrifugally Cast Ductile Iron Pipes are in complience with the following

- Ductile Iron Pipes
ISO 2531:1998   Ductile iron pipes, fittings, accessories and their joints
EN 545:2002   Ductile iron pipes, fittings, accessories and their joints for water pipelines
EN 598:1994   Ductile iron pipes, fittings, accessories and their joints for sewerage application

- Coatings and Linings
ISO 8179-1:1995   Ductile iron pipes - External zinc coating - Part 1: Metallic zinc with finishing layer
ISO 4179:1985   Ductile iron pipes for pressure and non-pressure pipelines - Centrifugal cement mortar lining
ISO 8180:1985   Ductile iron pipes -Polyethylene sleeving
BS 4772-1988 Specification for ductile iron pipes and fittings

DIN EN 1092-2 Flange connections of ductile cast iron for fresh water supply and waste water disposal

DIN 28604-48

ANSI/AWWA C153/A21.53 -- American National Standard for Ductile-Iron Compact Fittings, 3-inch through 24-inch and 54-inch through 64-inch, for Water Service

ANSI/AWWA C110/A21.10 -- American National Standard for Ductile-Iron and Gray-Iron Fittings, 3-inch through 48-inch, for Water and Other Liquids

ANSI/AWWA C111/A21.11 -- American National Standard for Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and Fittings
ISO 4633-2002  Rubber seals - Joint rings for water supply, drainage and sewerage pipelines - Specification for materials

ANSI/AWWA C104/A21.4 -- American National Standard for Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water

The gaskets conform to the following standards :
   UNI 9163 for push-in joint connections AJ type
   UNI 9164 for mechanical joint connections MJ type


   double socket bend (90 degrees, 45 degrees, 22.5degrees, 11.25degrees);
   double flange bend (90 degrees, 45 degrees, 22.5degrees, 11.25degrees);
   double socket tee with flange branch, all socket tee, integral flange tee, double socket spitting tee with flange branch, integral spitting tee, integral flange spitting tee, integral flange watershed tee, integral tee with 45 degrees, Y-type tee.
    Integral flange cross, all sockets cross.
    Flange socket, flanged spigot, double flanged collar, double socket reducer, double flanged reducer, blind pipe, bell end, double flanged pipe.
    Double flanged bend 90 degrees with long diameter, double flanged bend 90 degrees pipe.
    Flange joints, soft joints, removable joints.

Secondly, welded flange pipe contains various length of DN80-DN1600.

Thirdly, we supply  various products according to the drawings and moulds provided by customers.

Pressure gauge for hydrostatic testing of ductile iron fittings

DN mm Minumum Test Working Pressure(bar) Time of keeping (second)
80~300 25 15
350~600 16 15
600~1600 10 15

Mechanical properties of ductile iron fittings

Standard Nominal Diameter Tensile Strength Yield Strength Elongation Hardness
DN mm N/mm2 N/mm2 % HB
≥420 ≥300 ≥5 ≤230


Specifications︰ · ISO 6594 Cast iron drainage pipes and fittings - Spigot series;
· EN 10242 Threaded pipe fittings in malleable cast iron;
· ISO 6594 Cast iron drainage pipes and fittings - Spigot series;

Standard Met︰ Detailed introduction to cast flange:

flange, ductile fittings, cast flange

1.Standards:ISO2531,EN545,EN598,BS4772,DIN 28604-48
3.Coating:Fusion bonded epoxy coating;cement lining inside and zinc and bitumen coating outside; Zinc+bitumen inside and outside.

Coating:Epoxy resin coating Blue: 5015 5005, red 3009 3019

4.Package:Wooden cases or pallets

5.Accessories:Gaskets,bolts and nuts

flange connect PN10 and PN16, PN10 Number of drilling 8,PN16 Number of drilling .20

1.The use of the products and performanceNot only does ductile iron have high tensile strength and percentage elongation,but also have fine ductility and other excellent as anti-high-compression,

Anti-oxidation,anti-corrosion,etc.so the ductile iron pipe fittings are widely applied to such compressive pipes as water pipeline.oil pipeline,gas pipeline,sand pipeline,sewerage pipeline etc

2. Product standards:All types of ductile iron pipe fittings produced by us according to ISO2531 BSEN545 EN598 BS4772 standards

3. Product export countries:Europe,South America,Africa,Middle East and South-East Asia,Their good quality has got a favorable appraisal from the end users.

4.Product Mechanical:Tensile strength>420mpa



Proof Stress>300map

5.Product Microscopic Structure:ferrite+little pearlite grades of ductile lron>grade three(GB9941-88)

6.Type of joint:

.Push-on joint(Ttype) including Spigot end,EPDM&SBR rubber gasket,Anti-corrosive layer

Mechanical joint(Ktype)including spigot end,rubber gasket,anti-forrosive layer,T-bolts&nuts

Socket end

,flange joint(flange type)including flanged fittings,rubber gasket,flange-bolts&nuts.

7.Hydrostatic Test Pressure

Diameter:DN50-300 fittings 25 bar

Diameter:DN350-800 fittings 16 bar

8.flanged drilling standards:PN10&PN16&PN25&PN40,AWWA C110.

9. Surface treatmentfitting Internal epoxy powder coating External pink resin paint.Black Bitumen Coated or Blue Fusion Bonded Epoxy Coated as specified.

10.Internal lining: Cement Mortar Lined according to ISO 4179

Product Image