| 1、Product type & structrue |
| The product series of steel pipes lined with PP、PE、PVC include straight pipe.pipe fittings of elbow,tee,cross,reducer and etc.Whose external part is flanged steel casing,internal part is plastic liners of PP,PE,PVC and the such,plastic liners are bent on the steel flanges' trimming surface.See following structural drawings: |
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| 2、Product specification |
| The product covers nominal diameter(DN)25,32,40,50,65,80,100,125,150,200,250,300(mm)and ect. |
| 3、Thickness of plastic liner |
| DN(mm) |
25 |
32 |
40 |
50 |
65(70) |
80 |
| Thickness(mm) |
3.0 |
3.5 |
3.5 |
4.0 |
4.0 |
4.5-5.0 |
| DN(mm) |
100 |
125 |
150 |
200 |
250 |
300 |
| Thickness(mm) |
5.0 |
5.5 |
5.5 |
6.0 |
6.5 |
7-7.5 | |
| 4、Material & specification of steel casing |
| DN(mm) |
25 |
32 |
40 |
50 |
65(70) |
80 |
| Steel Pipe spec.(mm) |
32×3 |
38×3 |
45×3 |
57×3.5 |
73×4(76×3) |
89×4.5 |
| DN(mm) |
100 |
125 |
150 |
200 |
250 |
300 |
| Steel Pipe spec.(mm) |
108×4 |
133×4 |
159×4.5 |
216×6 |
273×7 |
325×8 | |
| 5、Material of pipe fittings |
| Adopt steel of castings according to actual requirwment. |
| 6、Installation dimension of end product |
| The finished products are made up of two part,i.e.Plastic liner and external steel casing.For easy connection in installation,there is a flanger with plastic flare at both ends. |
| 6.1 Dimension of flange |
| The products are made conforming to standard HG5010-58,PN1.0Mpa.Refer in following table: |
| DN |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
| External Dia.of.Flange(D) |
115 |
135 |
145 |
160 |
180 |
195 |
215 |
245 |
280 |
335 |
390 |
440 |
| Central Distance for Screw hole(D1) |
85 |
100 |
110 |
125 |
145 |
160 |
180 |
210 |
240 |
295 |
350 |
400 |
| Thickness of Flange(mm) |
14 |
16 |
16 |
16 |
18 |
18 |
20 |
22 |
22 |
22 |
24 |
26 |
| Nos.of Screw hole(n) |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
8 |
8 |
12 |
12 |
| Dia.of Screw hole(Ф) |
14 |
18 |
18 |
18 |
18 |
18 |
18 |
18 |
23 |
23 |
23 |
23 | |
| 6.2 Length of straight pipe |
| General length is 3 meters,meanwhile we can also product and supply the straight pipes whose length less than 3 requested by customer. |
| 6.3 Installation dimension of pipe fittings |
| (DN) |
Elbow90oC |
Tee |
Cross |
Length of Reducer |
| Central line Flange Face |
Trans.Total length |
Vertical Height |
same Length btw.Trans.And longit |
| 25 |
98 |
196 |
98 |
196 |
The general is 150,meanwhile we can also produce and supply them whose length more or less than 150 if requested by customer. |
| 32 |
108 |
216 |
108 |
216 |
| 40 |
115 |
230 |
115 |
230 |
| 50 |
125 |
250 |
125 |
250 |
| 65 |
137 |
274 |
137 |
274 |
| 80 |
144 |
288 |
144 |
288 |
| 100 |
156 |
312 |
156 |
312 |
| 125 |
173 |
346 |
173 |
346 |
| 150 |
191 |
382 |
191 |
382 |
| 200 |
220 |
440 |
220 |
440 |
| 250 |
257 |
514 |
257 |
514 |
| 300 |
285 |
570 |
285 |
570 | |
| Note:The dimensions of pipe fittings and their flangs can also be processed to meet specific standards from other countries of international standard,if requested by customer. |
