Ductile Iron fittings

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China ductile cast iron fittings bend/elbow with flange
Standard:EN545/ISO2531/NBR7675
PN10/PN16/PN25
FBEP/BITUMEN COATING

TAWIL EN545/ISO2531 China ductile cast iron fittings bend/elbow with flange  :

Material:ductile iron Pipe Fitting;

Type: All sockets tee or All flange tee or double flange with flange branch tee;

Joint structure: Socket or Flange or mechanical joint  or Push-on Joint ;

Product Description

EN545/ISO2531/NBR7675 ductile iron pipe tee fittings product data:

       Joint structure >>>

TAWIL EN545/ISO2531 China ductile cast iron fittings bend/elbow with flange

       Mechanical Properties >>>

Centrifugal Cast Pipes

                                       Fittings

DN80toDN1000

DN1100toDN2600

Tensile Strength

Min.420N/mm2

Min.420N/mm2

Elongation

Min.10%

Min.7%

Min.5%

Proof Stress

Min.30N/mm2

Min.300N/mm2

Hardness

Max.230HB

Max.250HB

The proof stress shall be measured only upon special agreement and under conditions which shall be specified in the order.

       Deviation and tolerances on length>>>

The permissible deviation on the standard working length of fittings with sockets and fittings with flanges are given in table as follows:

Type of fitting

Length

Deviation(mm)

Flanged socket  

L

DN80 to DN1200 ± 25                                      DN1400 to DN2000 ± 35

Flanged spigot

Collar

Taper

Bend90°

t

±(15+0.03DN)

Bend45°

t

±(10+0.025DN)

Bend22.5°and11.25°

t

DN80toDN1000±(10+0.02DN) DN1200toDN2000±(10+0.025DN)

Tee

L and h

DN80toDN1200-25+50                                  DN1400todn2000-35+75

       Tolerances on manufacturing working lengths>>>

The standard tolerance on the manufacturing working lengths of all fittings with flanges in all nominal size is ±10mm On request in the order and by agreement between the manufacturer and the purchaser,smaller tolerances can be accepted but not less than: ±3mm for DN600and±4mm for DN≥700

       Works leak-tightness test>>>

The fitting shall be submitted at the works to a leak-tightness test,carried out either with air at a pressure of 1 par or with water at the pressure given in table as following:

Nominal size  DN

Hydrostatic leck-tightness test pressure bar

Fittings

DI Pipe with weld-on or screwed-on flange

PN10

PN16

PN25

PN40

80DN300

25

16

25

32

40

350DN600

16

700DN2000

10

       Internal protection>>>

Spun the blast furnace cement mortar lining complying with the standard ISO4179, or we may offer special protective coating according to customers requirements.

       External Protection>>>

Metallic zinc complying with the standard ISO8179,and bitumen,or we may offer special protective coating according to the customer's requirements.

       Ductile iron pipe fittings-----BEND>>>





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Q:How many kinds of elbow of ductile iron pipe?
Speaking from the elbow interface double disc, three double socket, socketEach interface elbow from speaking with 90 camber 45 22.5 11.25 four anglesSo a total of 3*4 =12 elbow
Q:Comparison of C and K grades of ductile iron pipes
The nominal pressure ratio of the C class pipe is lower than that of the K grade tube, and the applied pressure is low.
Q:How can the ductile iron pipe be punched?
Ball milled cast iron pipes can be opened and the opening size depends on the main pipe. For example, the main pipeline is DN100, diameter 118 milling pipe, can open the 100mm maximum aperture (with aperture opening), commonly used manual opening now the minimum 20mm, maximum 600mm, maximum 800mm hydraulic hole, open hole drilling machine dedicated
Q:How is the weight of nodular cast iron pipe calculated?
The use of cast iron by adding more than 18 nodularizer, after centrifugal ductile cast iron machine high speed centrifugal cast pipe, called "ductile" (Ductile Cast Iron Pipes), referred to as ball pipe, ductile iron pipe and ductile iron pipe etc.. The utility model is mainly used for conveying water, and is an ideal choice for tap water pipes.
Q:Could you tell me how to weld ductile iron parts and steel tubes?
Welding cast iron is mainly in three aspects: carbon control, stress elimination, structural adjustment. You can choose better welding materials, such as WE777 and other imported welding materials. Crack resistance is very good. In addition, the sewing process can be adopted in the structure to increase the stability of the welding effect. You can learn more about WE777 welding applications.
Q:How can ductile iron pipes be connected to steel tubes?
But pay attention, because ductile iron pipe material is crisp, and the two connecting flange sealing surface is best all the plane, in order to prevent the uneven force and damage to cast iron flange.
Q:Connecting process of ductile iron pipe spigot and socket rubber ring
Rubber seal ring is formed by one or several parts of the cover, fixed in a ring or a washer bearing and another ring or gasket contact or the formation of the labyrinth of narrow gap, to prevent leakage of lubricating oil and foreign matter.
Q:Is the cast iron tube the same as the ductile iron pipe?
You are mistaken in concept. The cast iron pipe is the sort of connection method. The ductile iron pipe is classified according to the material.
Q:What are the categories of ductile iron pipe fittings?
Can be divided into injection molding, plastic pipe fittings three and rotational molding. Two kinds of popular method is plastic or plastic. They are sometimes referred to as lining plastic pipes.
Q:How to improve the quality of nodular cast iron pipe fittings
For cast iron pipe chute taphole bent or improper chute taphole distance socket distance, easy to form a skin defect in cast iron pipe socket parts, equipment manufacturing inspection of cast iron pipe fittings must be in production, replacing the cast iron pipe chute taphole elbow when necessary, and adjust the host making iron centrifuge when the pipe in the lower limit, shorten the chute taphole socket from the distance.

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