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Sand type centrifugal cast iron pipe (GB/T3421<unk>1982)
Sand type centrifugal cast iron pipe (GB/T34211982) Sand type centrifugal cast iron pipe is suitable for transporting water and gas etc., cast iron di
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Sand type centrifugal cast iron pipe (GB/T3421<unk>1982)
Sand type centrifugal cast iron tube is suitable for transporting water and gas etc., cast iron direct tube according to wall thickness divided into two levels P, G. Sand type centrifugal cast iron tube is suitable for transporting water and gas etc., cast iron direct tube according to wall thickness divided into two levels P, G.
(1) Dɛɛ̈ɛ̈r ku dɛɛ̈ɛ̈r
Bearing Cast Iron Pipe
R=C+E R1=C R2=E
Dimensions of cast iron pipe
|
Nominal kalibre
DN／mm
|
Dimensions / mm
|
|||
|
a
|
b
|
c
|
e
|
|
|
75～450
|
15
|
10
|
20
|
6
|
|
500 wala kɔ̈k
|
18
|
12
|
25
|
7
|
Thickness and quality of sand type centrifugal cast iron tubes Wall thickness and quality of sand type centrifugal cast iron tubes
|
Nominal kalibre
DN／mm
|
Thickness / mm
|
Diameter / mm
|
Diameter
D2／mm
|
Tɛɛr/mm
|
Kualitas cam ye kɔrɔ
／kg
|
Plug cam quality
／kg
|
1m kɛnɛya
／kg
|
||||||
|
T
|
D1
|
5000
|
6000
|
||||||||||
|
Kɛnɛya/kg
|
|||||||||||||
|
P-ye
|
Klas G
|
P-ye
|
Klas G
|
P-ye
|
Klas G
|
P-ye
|
Klas G
|
P-ye
|
Klas G
|
||||
|
200
|
8.8
|
10.0
|
202.4
|
200
|
220.0
|
227.0
|
254.0
|
|
|
16.30
|
0.382
|
42.0
|
47.5
|
|
250
|
9.5
|
10.8
|
252.6
|
250
|
271.6
|
303.0
|
340.0
|
|
|
21.30
|
0.626
|
56.3
|
63.7
|
|
300
|
10.0
|
11.4
|
302.8
|
300
|
322.8
|
381.0
|
428.0
|
452.0
|
590.0
|
26.10
|
0.741
|
70.8
|
80.3
|
|
350
|
10.8
|
12.0
|
352.4
|
350
|
374.0
|
|
|
566.0
|
623.0
|
32.60
|
0.857
|
88.7
|
98.3
|
|
400
|
11.5
|
12.8
|
402.6
|
400
|
425.6
|
|
|
687.0
|
757.0
|
39.00
|
1.460
|
107.7
|
119.5
|
|
450
|
12.0
|
13.4
|
452.4
|
450
|
476.8
|
|
|
806.0
|
892.0
|
46.90
|
1.640
|
126.2
|
140.5
|
|
500
|
12.8
|
14.0
|
502.4
|
500
|
528.0
|
|
|
950.0
|
1030.0
|
52.70
|
1.810
|
149.2
|
162.8
|
|
600
|
14.2
|
15.6
|
602.4
|
599.6
|
630.8
|
|
|
1260.0
|
1370.0
|
68.80
|
2.160
|
198.0
|
217.1
|
|
700
|
15.5
|
17.1
|
702.0
|
698.8
|
733.0
|
|
|
1600.0
|
1750.0
|
86.00
|
2.510
|
251.6
|
276.9
|
|
800
|
16.8
|
18.5
|
802.6
|
799.0
|
836.0
|
|
|
1080.0
|
2160.0
|
109.00
|
2.860
|
311.3
|
342.1
|
|
900
|
18.2
|
20.2
|
902.9
|
899.0
|
939.0
|
|
|
2410.0
|
2630.0
|
136.00
|
3.210
|
379.1
|
415.7
|
|
1000
|
20.5
|
22.6
|
1000.0
|
955.8
|
1041.0
|
|
|
3020.0
|
3300.0
|
173.00
|
3.550
|
473.2
|
520.6
|
Lëk:
1. Tɛ̈n yenë kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye k
2.Total mass = direct 1m mass × effective length + bearing hole convex mass (calculation results rounded, keeping three valid numbers).
(2) Duël
Kɔl ye cɔl sand centrifugal cast iron tube
|
Kalibre DN／mm
|
Kuɛl/mm
|
|
200～450
|
1.51
|
|
>1500
|
1.251
|
Note: 1. Table 1 ye tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛmɛ tɛ
2.Cast iron pipe end face should be vertical to the axis. 2.Cast iron pipe end face should be vertical to the axis. 2.Cast iron pipe end face should be vertical to the axis.
(3) Kemikal
Phosphorus content WP must not be greater than 0.30%, and sulfur content Ws must not be greater than 0.10%.
(4) Mekanik kɛnɛ luɔɔi
Strength of tube ring bending
|
Kalibre DN/mm
|
Strength bending óbbMPa
|
|
≤300
|
340
|
|
350～700
|
280
|
|
≥800
|
240
|
Testing of water pressure for sand type centrifugal cast iron tubes (Testing of water pressure for sand type centrifugal cast iron tubes) (Testing of water pressure for sand type centrifugal cast iron tubes)
|
Tüp Direct
|
Kalibre DN/mm
|
Testing pressure/MPa
|
|
P-ye
|
≤450
|
2.00
|
|
≥500
|
1.50
|
|
|
Klas G
|
≤450
|
2.50
|
|
≥500
|
2.00
|
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