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Ductile Iron Pipe K9, C class
Ductile Iron Pipe K9, C class
Ductile Iron Pipe K9, C class
Ductile Iron Pipe K9, C class
Ductile Iron Pipe K9, C class

Ductile Iron Pipe K9, C class


Standard: ISO 2531 & EN545 (for potable water application) EN598 (for sewage application)

Wall Thickness Class: K9, Class C

Diameter Range: DN80-DN2600

Effective length: 6m or 5.7m

Accessory: Rubber Gasket (SBR, NBR, EPDM)

Pressure: 50Bar- 10Bar.

Note: The gaskets, bolts & nuts are supplied respectively as your special requirement.


Ductile Iron K9 Pipe Manufacturers

Midas is a leading K9 Ductile Iron Pipe Manufacturers, di k9 pipe price vary depending on size, market demand and purchase volume, and are usually priced according to the requirements of specific projects. Contact us for the best ductile iron pipe class k9 price.

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Products Description Product Dimensions


Ductile Iron Pipe K9

K9 ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them a popular choice for transporting water in municipal and industrial applications. 

they are the substitutes for traditional cast iron pipes and common steel pipes. In addition, ductile iron pipes K9 are producedwith high straightness,high surface finish,high size accuracy,even wall thickness,fine mechanical properties and hard external coating. Flexible push-on joint and rubber gasket are used to result in a convenient installation of pipes.

Key Features of Ductile Iron Pipe K9

  • Robust Material: Made from ductile cast iron, K9 pipes provide high tensile strength and flexibility, making them ideal for handling external loads and internal pressures up to 50 Bar.

  • Variety of Joint Options:

    • T-Type Joint Pipe (Push-On): Easy to install and ensures a tight seal.

      Ductile Iron Pipe K9, C class

    • K-Type Joint Pipe: Offers secure and reliable connections.

    • Self-Restrained Joint Pipe: Resists movement and pressure surges, ensuring stability.

  • Compliance with International Standards:

    • ISO 2531 & BS EN545: Suitable for potable water applications.

    • BS EN598: Specifically designed for sewage applications.

  • Customizable Coatings:

    • Internal Coating: Portland cement mortar lining, sulphate-resistant cement, high-aluminum cement, epoxy coatings, or black bitumen.

    • External Coating: Zinc + bitumen, fusion-bonded epoxy, or zinc-aluminum alloy.

  • Wide Range of Sizes: Available in diameters ranging from DN80 to DN2600mm with wall thickness classes including K9, K8, and C40/C30/C25.

  • Optimized for Shipping: Pipes ≤DN300 are packaged in bundles, while sizes >DN300 are shipped in bulk. Standard lengths of 6m for bulk vessel shipping and 5.7m for containers.

Applications of Ductile Iron Pipe K9

  • Municipal Water Supply: Reliable for clean water distribution systems.

  • Drainage and Sewage Systems: Efficient for wastewater and stormwater management.

  • Irrigation Systems: Durable and efficient for agricultural water distribution.

  • Industrial Pipelines: Suitable for transporting industrial water and other liquids.

Certifications

  • ISO9001 for quality assurance.

  • BV, WRAS, and SGS certifications for performance and reliability.


Ductile iron pipe mechanical properties



Ductile iron pipeGrey Cast Iron PipeSteel Pipe
 Tensile
strength(N/mm²)		≥420150-260≥400
 Yield
strength(N/mm²)		300 

 Bending
strength(N/mm²		Min.590200-360Min.400
 Elongation(%)DN80-1000≥10
DN1200-2200≥7		NegligibleMin.18
 Module of
Elasticity(N/mm²)		Approx.16x10Approx.11x10⁴Approx.16x10⁴
 Hardness (HB)≤230≤230Approx.140


DN(mm)Hydro Test Pressure for K9 pipe,Mpa
80-3005.0 
350-6004.0 
700-10003.2 
1100-20002.5 
2200-26002.0 

Document relevant to earthquakes shows that the damage rate per kilometer for ductile iron pipe mains is one

quarter of that for grey iron and one thirtieth of some other materials of pipes.


Pipe materialDamage rate per km of main pipeline in earthquake
Ductile iron pipe0.04 
Grey cast pipe0.17 
PVC pipe0.14 
Steel pipe1.24 

General ductile iron pipes


For potable water

ISO9001 Quality systems-model for quality assurance in design development production,installation and

ISO 2531 Ductile iron pipes,fittings and accessories for pressure pipelines.

BS EN545 Ductile iron pipes,fittingsand accessories and their joints for water pipelines.Requirements and test

"ISO4179 Ductile iron pipes for pressure and non pressure pipelines-Centrifugal cement mortar lining-general

requirements."

ISO8179 Ductile iron pipes-External zinc coating.

BS3416 Specification for Bitumen based coatings for cold application,suitable for usein contact with potable

ISO4633 Rubber Seals -joint rings for water supply,drainage and sewerage pipelines specs for materials.

ISO 8180 Ductile iron pipes -Polyethylene Sleeving.

EN681-1 Elastomeric seals material requirements for pipe joint seals used in waterand drainage application.

For sewage application

BS EN598 Ductile iron pipes,fittings,accessories and their joints for sewage application requirements and test

ISO4633 Rubber seals-joint ringsfor water supply,drainage and sewerage pipelines specs for materials.

EN681-1 Elastomeric seals material requirements for pipe joint seals used in water and drainage application.

"All MIDAS pipes are manufactured complying with standards:

-ISO2531

-EN545

-EN598"

FAQs

  • What pressure levels can K9 pipes handle? K9 pipes are designed for pressure ratings ranging from 10 Bar to 50 Bar, depending on the application and pipe dimensions.

  • Which internal coating is best for potable water? Cement mortar linings are typically recommended for potable water, while fusion-bonded epoxy may be suitable for specific requirements.

  • What is the typical service life of K9 pipes? With proper maintenance, these pipes can last over 50 years, ensuring long-term reliability.

  • Can additional components like gaskets and bolts be provided? Yes, we supply gaskets, bolts, and nuts as per your specific requirements.

  • What factors influence the price of K9 ductile iron pipes? Prices depend on pipe size, wall thickness, coatings, market demand, and purchase volume. Contact us for detailed pricing.

  • Are custom coatings and lengths available? Yes, coatings such as PU lining and other specialized options can be provided. Standard lengths are 6m and 5.7m, but customized lengths can be arranged based on project needs.

  • What is the difference between K7 and K9 Ductile iron pipe? Ductile Iron Class K7 Pipes can handle less pressure than Ductile Iron Class K9 Pipes. The pressure rating of K7 ductile iron pipes varies and this would base on the Nominal Diameter and the Nominal Wall Thickness of the pipe.

Choose Midas for Ductile Iron K9 Pipes: As a trusted manufacturer, Midas provides high-quality K9 ductile iron pipes backed by certifications and competitive pricing. Contact us for detailed product information and the best pricing for your project.







Product Dimensions

ISO2531,EN545,EN598

TYTON PUSH-ON SOCKET SIZES

Ductile Iron Pipe K9, C class

Type1 2 3 
TGasketSocketSpigot

DN80~1200            T   type   joint     


Ductile Iron Pipe K9, C class

Type1 2 3 
TGasketSocketSpigot

DN1400~1800        T   type   joint


DN
nm		DE
mm		d1
mm		d2
nm		d3
mm		d5
mm		d6
mm		  d7
  mm		  d8
  mm		C
mm		f
mm		t1
mm
80 98 +1
-2.8		140   123 ±1100.5   ±1119.1 ±1103.2 ±2122 135 8 3.5  0
 -0.8		85 
100 118 190   169 120.5 138.9 123.4 142 155.7 8.4 3.5 88 
150 170 +1
-2.9		217   195 172.5 
190.6 
175.3 195.6 209 9.1 3.5 94 
200 222 -3 278 250   +1.5
  -1		224.5   +1.5
  -1		245.2 +1.5
-1		227.8 251 265 9.8 4 100 
250 274 -3.1 336  301.5 276.5 296.9 279.7 305 323 10.5 4 105 
300 326 -3.3 393  356.5   +1.8
  -1		328.5   +1.8
  -1		351.7 +1.8
-1		332.1 368.5 384 11.2 4.5 110 
350 378 +1
-3.4		448 408 380.5 403.4 383.8 410.3 433 11.9 4.5 0
-1		110 
400 429 +1
-3.5		500 462   +2.1
  -1		431.5   +2.1
  -1		457.2 +2.1
-1		435.8 ±2.5463 482.4 12.6 5 110 
450 480 +1
-3.6		540   514   +2.2
  -1		482.5   +2.2
  -1		509 +2.2
-1		487 518.4 533 13.3 5 120 
500 532 +1
-3.8		604   568   +2.4
  -1		534.5   +2.4
  -1		562.6 +2.4
-1		539.4 ±3569.7 590.6 14 5.5 120 
600 635 ±4713 673.4   +2.7
  -1		637.5   +2.7
  -1		668 +2.7
-1		642.6 676.7 698.8 15.4 6 120 
700 738 +1
-4.2		824 788   +3.5
  -1		740.5   +3.5
  -1		779.3 +3.5
-1		745.8 ±3.5789 813 16.8 7  0
 -1.2		150 
800 842 +1
-4.5		943 894   +3.8
  -1		844.5   +3.8
  -1		885.9 +3.8
-1		850 ±3.8892.2 922.3 18.2 8 160 
900 945 +1
-4.8		1052 1000   +4.1
  -1		947.5   +4.1
  -1		991.3 +4.1
-1		953.2 ±4.1999.2 1030.5 19.6 9 175 
1000 1048 -5 1158 1105   +4.4
  -1		1050.5   +4.4
  -1		1097.1 +4.4
-1		1056.4 ±4.41106 1139 21 9 185 
1100 1152 +1
-5.2		1267   1211   +4.7
  -1		1155   +4.7
  -1		1202.5 +4.7
-1		1160.2 ±4.71213.5 1247.3 22.4 10 200 
1200 1255 +1
-5.5		1377  1317 +5
-1		1258 +5
-1		1308 +5
-1		1264 ±51321 1355.6 23.8 10 215 
1400 1462 +1
-6		1610  1529   +5.6
  -1		1465   +5.6
  -1		1509 +5.6
-1		1471 ±5.61535 1584.5 26.6 

239 
1600 1668 +1
-6.5		1814   1740   +6.2
  -1		1673   +6.2
  -1		1717 +6.2
-1		1678 ±6.21748 
一


262 

ISO2531,EN545,EN598

TYTON PUSH-ON SOCKET SIZES

DN
mm		t2
mm		t3
mm		t4
mm		t5
mm		  t6
mm		t7
mm		t8
mm		  t9
  mm		t10
mm		  r1
   mm		r2
mm		r4
mm		  r5
  mm		XYMass
(kgs)
80 40 12 6 0
-0.5		5   8 48 5 39 80 4 5 22 62 6 2   3.4 
100 40 12 6 5   8 48 5 39 88 4 5 17 68 9 3   4.3 
150 40 12 6 5   8 48 5 43 94 4 5 18.5 74 9 3   7.1 
200 45 15 7 6   10 56 6.2  48 100 4 6 35  70 9 3 10.3 
250 47 15 7 6   10 58 6.8  48 105 4 6 36  72 9 3 14.2 
300 50 17 8.5 7   12 61 7.2  56 110 6 7 37  74 9 3 18.6 
350 50 17 8.5 7   12 61 5.1  55 113 6 7 24.5  98 9 3 23.7 
400 55 19 9.5 8   14 68 5.1  58 116 6 8 26 104 9 3 29.3 
450 55 19 9.5 8   15 68 6  66 120 6 8 28 105 9 3 38.3 
500 60 21 11 9   16 75 7  63 120 6 10 29 116 9 3 42.8 
600 65 21 12 10   16 80 9.2 62 120 6 10 32 128 9 3 59.3 
700 80 21 18 12   16 90 10.6 77 150 8 10 35 140 15 5 79.1 
800 85 21 18 0
-0.8		14   16 96.5 12.4   86.5 160 8 10 38 160 15 5 102.6 
900 90 21 20 16   16 103 14.2   92.5 175 8 10 42 175 15 5 129.9 
1000 95 22 20 16   16 110 16 103 185 8 10 45 200 15 5 161.3 
1100 100 24 23 18   16 116 17 107.5 200 10 12 46.5 207.5 15 5 194.7 
1200 105 25 23 18   17 122 17.8 112 215 10 12 48 215 15 5 237.7 
1400 115 27 25 
  18 125 19 119 239 10 12 100 205 20 7 279.3 
1600 125 30 27 

  20 125 19 165 262 10 10 380 210 21 7 375.4 


Nominal Size DNBarrelSocket mass
(approximate)		Preferred pipe
pressure classes		Total mass (approximate)for one
working length L of
DEeMass per metre
(approximate)		5.7m6m
DN8098 4.4 9.1 3.4 C4055 58 
DN100118 4.4 11.1 4.3 C4068 71 
DN125144 4.5 14.1 5.7 C4086 90 
DN150170 4.5 16.5 7.1 C40101 106 
DN200222 4.7 22.6 10.3 C40139 146 
DN250274 5.5 32.6 14.2 C40200 210 
DN300326 6.2 43.9 18.6 C40269 282 
DN350378 6.3 51.9 23.7 C30319 335 
DN400429 6.5 60.8 29.3 C30376 394 
DN450480 6.9 72.3 38.3 C30450 472 
DN500532 7.5 87.0 42.8 C30539 565 
DN600635 8.7 120.6 59.3 C30747 783 
DN700738 8.6 142.0 79.1 C25888 931 
DN800842 9.6 176.9 102.6 C251111 1164 


Manufacturing Capacity

Manufacturing Capacity Have the manufacturing ability of ductile iron pipe fittings, including the master and application of casting, processing, heat treatment and other processes.

Technical Ability

Technical Ability Master the relevant technology and process of ductile iron pipe fittings, including the production process, heat treatment process, surface treatment,etc.

Quality Control Capability

Quality Control Capability With strict quality control system, it can control and supervise the production process of ductile iron pipe fittings to ensure that product quality meets the standards and requirements.

Delivery Capacity

Delivery Capacity Good supply chain management and production planning ability to deliver customized ductile iron pipe fittings on time.

After-sales Service Capability

After-sales Service Capability Able to provide comprehensive after-sales service, including installation guidance, technical support, product warranty, etc., to meet customer needs and solve problems.

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