Product Overview
PPH butt welding tee are tee fittings made of PPH material, connected by welding. PPH material possesses excellent chemical resistance, high-temperature resistance, and mechanical strength, making PPH Butt welding tee perform exceptionally well when transporting various corrosive media or high-temperature fluids. The butt-welding process ensures the connection strength between the fitting and the pipe, reducing the risk of leakage.
Manufacturing Process
The main steps include raw material selection, injection molding, and finishing.
- Raw Material Selection: PPH material is a type of polypropylene with a higher molecular weight, resulting in superior impact resistance and temperature resistance compared to ordinary polypropylene. During production, raw materials meeting standards must be selected to ensure stable performance of the fittings.
- Injection Molding: Molten PPH material is injected into a mold, and after cooling, the basic shape of the tee is formed. The mold design directly affects the dimensional accuracy and surface quality of the fitting.
- Finishing: After molding, the tee requires end processing to ensure flatness and perpendicularity during butt welding. Some products also undergo surface treatment to improve weather resistance or aesthetics.
Characteristics of Butt Welding Process
Butt welding is a welding method that involves heating the butt joints of two components to a molten state and then applying pressure to connect them together. In the manufacturing process of them, this process ensures a seamless connection between the fitting and the pipe. Compared to traditional threaded or flanged connections, butt-welded connections offer higher sealing performance and stronger connection strength, making them particularly suitable for conveying high-pressure, high-temperature, or corrosive fluids.
Maintenance and Care
To extend the service life of PPH Butt welding tee, the following maintenance precautions should be taken:
(1) Regular Inspection: Observe the piping system for leaks or deformation and address any issues promptly.
(2) Avoid Mechanical Damage: Avoid striking or scratching the surface of the fittings during installation or maintenance.
(3) Cleaning and Maintenance: Regularly clean the inside of the pipe to prevent impurities from accumulating and affecting flow performance.
Main connection dimensions of PPH TEEI/connection method:hot melt socket
|
Nominal diameter DN(mm) |
Diameter OD(mm) |
Thickness S(mm) |
External diameter D(mm) |
Internal diameter Z(mm) |
Height L(mm) |
Socket Width J(mm) |
|
DN15 |
φ20 |
3.5 |
26 |
19 |
54 |
17 |
|
DN20 |
φ25 |
4 |
32 |
24 |
63 |
17 |
|
DN25 |
φ32 |
4 |
38 |
30 |
82 |
25 |
|
DN32 |
φ40 |
5.5 |
49 |
38 |
85 |
22 |
|
DN40 |
φ50 |
7.5 |
63 |
48 |
100 |
25 |
|
DN50 |
φ63 |
8 |
77 |
61 |
135 |
35 |
|
DN65 |
φ75 |
9.5 |
92 |
73 |
160 |
40 |
|
DN80 |
φ90 |
10 |
107 |
87 |
183 |
45 |
|
DN100 |
φ110 |
10.5 |
128 |
107 |
235 |
50 |
Main connection dimensions of PPH TEE//connection method:ordinary socket
|
Nominal diameter DN(mm) |
Diameter OD(mm) |
Thickness S(mm) |
External diameter D(mm) |
Internal diameter Z(mm) |
Height L(mm) |
Hot melt Width J(mm) |
|
DN25 |
φ32 |
3.5 |
40 |
33 |
95 |
30 |
|
DN32 |
φ40 |
4 |
49 |
41 |
110 |
30 |
|
DN40 |
φ50 |
6 |
63 |
51 |
100 |
25 |
|
DN50 |
φ63 |
6.5 |
77 |
64 |
135 |
35 |
|
DN65 |
φ75 |
8 |
93 |
77 |
180 |
40 |
|
DN80 |
φ90 |
8 |
107 |
91 |
185 |
40 |
|
DN100 |
φ110 |
8.5 |
128 |
111 |
235 |
48 |
|
φ125 |
10 |
146 |
126 |
255 |
50 |
|
|
DN125 |
φ140 |
9 |
158 |
140 |
288 |
52 |
|
DN150 |
φ160 |
10 |
181 |
161 |
314 |
54 |
|
φ180 |
8 |
200 |
184 |
310 |
61 |
|
|
φ180Molding |
12 |
209 |
185 |
360 |
38 |
|
|
DN200 |
φ200 |
8.5 |
220 |
203 |
330 |
60 |
|
φ 2 0 0 Molding |
11.5 |
228 |
205 |
410 |
45 |
|
|
φ218 |
8 |
238 |
222 |
348 |
61 |
|
|
φ218Molding |
16 |
252 |
220 |
460 |
66 |
|
|
φ225 |
8 |
244 |
228 |
356 |
61 |
|
|
φ225Molding |
12 |
253 |
229 |
458 |
61 |
|
|
DN250 |
φ250 |
8 |
270 |
254 |
393 |
66 |
|
φ250 Molding |
13 |
282 |
256 |
493 |
65 |
|
|
φ280 |
9.5 |
303 |
284 |
432 |
68 |
|
|
φ280Molding |
15 |
314 |
284 |
526 |
66 |
|
|
DN300 |
φ315 |
10 |
340 |
320 |
475 |
74 |
|
φ315Molding |
15 |
350 |
320 |
576 |
64 |
|
|
DN350 |
φ355 |
10 |
380 |
360 |
520 |
75 |
|
φ355Molding |
15 |
389 |
359 |
661 |
72 |
|
|
DN400 |
φ400 |
10 |
425 |
405 |
570 |
75 |
|
φ400Molding |
19 |
441 |
403 |
727 |
60 |
|
|
DN450 |
φ450Molding |
17 |
487 |
453 |
733 |
76 |
|
DN500 |
φ500 |
12.5 |
530 |
505 |
715 |
92 |
|
φ500 Molding |
21 |
550 |
508 |
837 |
78 |
|
|
DN600 |
φ6 3 0 Molding |
22 |
680 |
636 |
950 |
96 |
|
DN700 |
φ710Molding |
19 |
751 |
713 |
970 |
90 |
|
DN800 |
φ8 0 0 Molding |
20 |
850 |
810 |
1085 |
75 |
Main connection dimensions of PPH TEEI/connection method:butt welding
|
Nominal diameter DN(mm) |
Diameter OD(mm) |
Thickness S(mm) |
External diameter D(mm) |
Internal 2mets |
Height L(mm) |
|
DN15 |
φ20 |
3 |
20 |
14 |
70 |
|
DN20 |
φ25 |
3 |
25 |
19 |
79 |
|
DN25 |
φ32 |
3 |
32 |
26 |
90 |
|
DN32 |
φ40 |
4 |
40 |
32 |
92 |
|
DN40 |
φ50 |
5 |
50 |
40 |
95 |
|
DN50 |
φ63 |
6 |
63 |
51 |
125 |
|
DN65 |
φ75 |
7.5 |
75 |
60 |
145 |
|
DN80 |
φ90 |
9 |
90 |
72 |
195 |
|
DN100 |
φ110 |
11 |
110 |
88 |
240 |
|
φ125 |
10 |
125 |
105 |
260 |
|
|
DN125 |
φ140 |
11 |
141 |
119 |
274 |
|
DN150 |
φ160 |
14 |
160 |
132 |
305 |
|
φ180 |
14 |
183 |
155 |
353 |
|
|
DN200 |
φ200 |
17 |
203 |
169 |
386 |
|
φ225 |
19 |
225 |
187 |
438 |
|
|
DN250 |
φ250 |
20 |
250 |
210 |
589 |
|
φ280 |
21 |
280 |
238 |
557 |
|
|
DN300 |
φ315 |
21 |
315 |
273 |
570 |
|
DN350 |
φ355 |
25 |
355 |
305 |
540 |
|
DN40 |
φ400 |
23 |
400 |
354 |
568 |
|
DN450 |
φ450 |
25 |
450 |
400 |
670 |
|
DN500 |
φ500 |
30 |
500 |
440 |
718 |
|
φ560 |
30 |
560 |
500 |
820 |
|
|
DN600 |
φ630 |
30 |
630 |
570 |
980 |
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