Dtd363H-6C,Dtd363H-10I,Dtd363W-16P,Dtd363W-25R,Dtd363W-40C,Dtd363W-6P,對焊式金屬硬密封蝶閥
產品名稱:對焊式金屬硬密封蝶閥
產品特點:用途及特點本蝶閥適用于高溫、高壓、防火、保溫等管道上作啟閉或調節介質。其主要特點如下: 1、結構緊湊、體積小、重量輕、操作靈活、使用方便。 2、采用三維偏心彈性或多層次硬密封結構,其密封性能可靠達到零泄漏; 3、此閥無法蘭,以管道和保霸包扎帶來很大方便和美觀。 4、具有耐高溫、高壓耐腐蝕、耐磨損等特點。 傳動型式 :蝸輪傳動、氣動傳動、電動傳動對焊式金屬硬密封蝶閥,對焊式蝶閥,金屬硬密封蝶閥。
采用標準:
焊接尺寸:GB12224; ANSI B16.25; DIN2559
結構長度:GB/T12221-1989; API609
壓力試驗:GB/T13927-1992; API598
二、主要技術參數:
公稱通徑 |
DN(mm) |
50~1200 |
||||
公稱壓力 |
PN(MPa) |
0.6 |
1.0 |
1.6 |
2.5 |
4.0 |
試驗壓力 |
強度試驗 |
0.9 |
1.5 |
2.4 |
3.75 |
6.0 |
密封試驗 |
0.66 |
1.1 |
1.76 |
2.75 |
4.4 |
|
氣密封試驗 |
0.6 |
0.6 |
0.6 |
0.6 |
0.6 |
|
適用介質 |
水、蒸氣、油品、酸類腐蝕性等。 |
|||||
適用溫度 |
碳鋼:-29℃~425℃ 不銹鋼:-40℃~600℃ |
三、主要零件的材質:
零件名稱 |
材料 |
閥體 |
鑄鋼、不銹鋼、鉻鉬鋼及特殊材料 |
蝶板 |
鑄鋼、合金鋼(鍍硬鉻)、不銹鋼、鉻鉬鋼及特殊材料 |
密封圈 |
不銹鋼、抗磨材料 |
閥桿 |
2Cr13、1Cr13不銹鋼、鉻鉬鋼 |
填料 |
柔性石墨 |
四、對焊式金屬硬密封蝶閥Dtd363H/W-(C.I.P.R)對焊式硬密封蝶閥系列外形尺寸:
公稱壓力 |
|||||||||
通徑 |
外形尺寸(參考值) |
參考重量(kg) |
|||||||
毫米 |
英寸 |
L |
D |
d |
H |
H1 |
A |
B |
|
600 |
24 |
390 |
636 |
602 |
499 |
1280 |
570 |
660 |
450 |
700 |
28 |
430 |
726 |
692 |
566 |
1480 |
750 |
550 |
660 |
800 |
32 |
470 |
826 |
792 |
632 |
1608 |
750 |
550 |
780 |
900 |
36 |
510 |
926 |
892 |
693 |
1857 |
750 |
550 |
820 |
1000 |
40 |
550 |
1028 |
992 |
757 |
2038 |
900 |
750 |
1460 |
1200 |
48 |
630 |
1228 |
1192 |
851 |
2237 |
1000 |
925 |
1590 |
1400 |
56 |
710 |
1428 |
1392 |
876 |
2411 |
1000 |
925 |
2185 |
1600 |
64 |
790 |
1628 |
1592 |
1095 |
2756 |
1000 |
925 |
3210 |
1800 |
72 |
870 |
1828 |
1792 |
1214 |
3093 |
1100 |
980 |
4090 |
2000 |
80 |
950 |
2028 |
1992 |
1332 |
3355 |
1100 |
980 |
5610 |
公稱壓力 |
|||||||||
通徑 |
外形尺寸(參考值) |
參考重量(kg) |
|||||||
毫米 |
英寸 |
L |
D |
d |
H |
H1 |
A |
B |
|
600 |
24 |
390 |
636 |
602 |
499 |
1280 |
570 |
660 |
465 |
700 |
28 |
430 |
726 |
692 |
566 |
1480 |
750 |
550 |
680 |
800 |
32 |
470 |
826 |
792 |
632 |
1608 |
750 |
550 |
810 |
900 |
36 |
510 |
926 |
892 |
693 |
1857 |
750 |
550 |
860 |
1000 |
40 |
550 |
1028 |
992 |
757 |
2038 |
900 |
750 |
1625 |
1200 |
48 |
630 |
1228 |
1192 |
851 |
2237 |
1000 |
925 |
1770 |
1400 |
56 |
710 |
1428 |
1392 |
876 |
2411 |
1000 |
925 |
2425 |
1600 |
64 |
790 |
1628 |
1592 |
1095 |
2756 |
1000 |
925 |
3560 |
1800 |
72 |
870 |
1828 |
1792 |
1214 |
3093 |
1100 |
980 |
4545 |
2000 |
80 |
950 |
2028 |
1992 |
1332 |
3355 |
1100 |
980 |
6230 |
公稱壓力 |
|||||||||
通徑 |
外形尺寸(參考值) |
參考重量(kg) |
|||||||
毫米 |
英寸 |
L |
D |
d |
H |
H1 |
A |
B |
|
80 |
3 |
180 |
90 |
78 |
90 |
356 |
180 |
200 |
27 |
100 |
4 |
190 |
110 |
96 |
100 |
375 |
180 |
200 |
34 |
125 |
5 |
200 |
135 |
121 |
113 |
401 |
180 |
200 |
41 |
150 |
6 |
210 |
161 |
146 |
130 |
450 |
270 |
280 |
43 |
200 |
8 |
230 |
222 |
202 |
205 |
545 |
400 |
425 |
81 |
250 |
10 |
250 |
278 |
254 |
235 |
630 |
400 |
425 |
102 |
300 |
12 |
270 |
330 |
303 |
275 |
715 |
450 |
560 |
132 |
350 |
14 |
290 |
382 |
351 |
309 |
817 |
450 |
560 |
164 |
400 |
16 |
310 |
432 |
398 |
346 |
923 |
535 |
580 |
193 |
450 |
18 |
330 |
484 |
450 |
392 |
1059 |
535 |
580 |
238 |
500 |
20 |
350 |
535 |
501 |
427 |
1126 |
535 |
580 |
302 |
公稱壓力 |
|||||||||
通徑 |
外形尺寸(參考值) |
參考重量(kg) |
|||||||
毫米 |
英寸 |
L |
D |
d |
H |
H1 |
A |
B |
|
600 |
24 |
390 |
636 |
602 |
509 |
1369 |
570 |
660 |
457 |
700 |
28 |
430 |
726 |
692 |
572 |
1492 |
750 |
550 |
810 |
800 |
32 |
470 |
826 |
792 |
638 |
1622 |
750 |
550 |
1093 |
900 |
36 |
510 |
926 |
892 |
700 |
1924 |
750 |
550 |
1410 |
1000 |
40 |
550 |
1028 |
992 |
765 |
2054 |
900 |
750 |
1870 |
1200 |
48 |
630 |
1228 |
1192 |
860 |
2259 |
1000 |
925 |
2082 |
1400 |
56 |
710 |
1428 |
1392 |
986 |
2610 |
1000 |
925 |
2850 |
1600 |
64 |
790 |
1628 |
1592 |
1106 |
2856 |
1000 |
925 |
4235 |
1800 |
72 |
870 |
1828 |
1792 |
1226 |
3121 |
1100 |
980 |
5346 |
2000 |
80 |
950 |
2028 |
1992 , |
1345 |
3385 |
1100 |
980 |
7328 |
公稱壓力 |
|||||||||
通徑 |
外形792尺寸(參考值) |
參考重量(kg) |
|||||||
毫米 |
英寸 |
L |
D |
d |
H |
H1 |
A |
B |
|
80 |
3 |
180 |
90 |
78 |
90 |
356 |
180 |
200 |
38 |
100 |
4 |
190 |
110 |
96 |
106 |
387 |
180 |
200 |
40 |
125 |
5 |
200 |
135 |
121 |
122 |
413 |
180 |
200 |
60 |
150 |
6 |
210 |
161 |
146 |
136 |
459 |
270 |
280 |
65 |
200 |
8 |
230 |
222 |
202 |
215 |
585 |
400 |
425 |
85 |
250 |
10 |
250 |
278 |
254 |
247 |
649 |
400 |
425 |
135 |
300 |
12 |
270 |
330 |
303 |
288 |
771 |
450 |
560 |
175 |
350 |
14 |
290 |
382 |
351 |
333 |
929 |
450 |
560 |
195 |
400 |
16 |
310 |
432 |
398 |
359 |
993 |
535 |
580 |
295 |
450 |
18 |
330 |
484 |
450 |
405 |
1053 |
535 |
580 |
350 |
500 |
20 |
350 |
535 |
501 |
444 |
1245 |
535 |
580 |
510 |
600 |
24 |
390 |
636 |
602 |
521 |
1750 |
570 |
660 |
625 |
700 |
28 |
430 |
726 |
692 |
586 |
1519 |
750 |
550 |
925 |
800 |
32 |
470 |
826 |
792 |
659 |
1659 |
750 |
550 |
1260 |
900 |
36 |
510 |
926 |
892 |
720 |
1829 |
750 |
550 |
1790 |
1000 |
40 |
550 |
1028 |
992 |
780 |
1949 |
900 |
750 |
1940 |
1200 |
48 |
630 |
1228 |
1192 |
889 |
2243 |
1000 |
925 |
2810 |
1400 |
56 |
710 |
1428 |
1392 |
1000 |
2462 |
1000 |
925 |
3500 |
公稱壓力 |
|||||||||
通徑 |
外形尺寸(參考值) |
參考重量(kg) |
|||||||
毫米 |
英寸 |
L |
D |
d |
H |
H1 |
A |
B |
|
80 |
3 |
180 |
90 |
78 |
108 |
430 |
180 |
200 |
39 |
100 |
4 |
190 |
110 |
96 |
108 |
392 |
180 |
200 |
50 |
125 |
5 |
200 |
135 |
120 |
120 |
414 |
180 |
200 |
75 |
150 |
6 |
210 |
161 |
145 |
135 |
494 |
270 |
280 |
100 |
200 |
8 |
230 |
222 |
200 |
202 |
578 |
400 |
425 |
135 |
250 |
10 |
250 |
278 |
252 |
235 |
673 |
400 |
425 |
190 |
300 |
12 |
270 |
330 |
301 |
280 |
793 |
450 |
560 |
240 |
350 |
14 |
290 |
382 |
351 |
315 |
921 |
450 |
560 |
320 |
400 |
16 |
310 |
432 |
398 |
355 |
1021 |
450 |
580 |
450 |
450 |
18 |
330 |
484 |
448 |
370 |
1143 |
535 |
580 |
500 |
500 |
20 |
350 |
535 |
495 |
420 |
1192 |
535 |
580 |
560 |
600 |
24 |
390 |
636 |
595 |
490 |
1327 |
570 |
660 |
720 |
Dtd363W-6C-DN600,Dtd363W-6C-DN700,Dtd363W-6C-DN800,Dtd363W-6C-DN900,Dtd363W-6C-DN1000,Dtd363W-6C-DN1200,Dtd363W-6C-DN1400,Dtd363W-6C-DN1600,Dtd363W-6C-DN1800,Dtd363W-6C-DN2000,
Dtd363H-6I-DN600,Dtd363H-6I-DN700,Dtd363H-6I-DN800,Dtd363H-6I-DN900,Dtd363H-6I-DN1000,Dtd363H-6I-DN1200,Dtd363H-6I-DN1400,Dtd363H-6I-DN1600,Dtd363H-6I-DN1800,Dtd363H-6I-DN2000,
Dtd363W-6I-DN600,Dtd363W-6I-DN700,CCLAIR,Dtd363W-6I-DN800,Dtd363W-6I-DN900,Dtd363W-6I-DN1000,Dtd363W-6I-DN1200,Dtd363W-6I-DN1400,Dtd363W-6I-DN1600,Dtd363W-6I-DN1800,Dtd363W-6I-DN2000,
Dtd363H-6P-DN600,Dtd363H-6P-DN700,Dtd363H-6P-DN800,Dtd363H-6P-DN900,Dtd363H-6P-DN1000,Dtd363H-6P-DN1200,Dtd363H-6P-DN1400,Dtd363H-6P-DN1600,Dtd363H-6P-DN1800,Dtd363H-6P-DN2000,
Dtd363W-6P-DN600,Dtd363W-6P-DN700,Dtd363W-6P-DN800,Dtd363W-6P-DN900,Dtd363W-6P-DN1000,Dtd363W-6P-DN1200,Dtd363W-6P-DN1400,Dtd363W-6P-DN1600,Dtd363W-6P-DN1800,Dtd363W-6P-DN2000,
Dtd363H-6R-DN600,Dtd363H-6R-DN700,Dtd363H-6R-DN800,Dtd363H-6R-DN900,Dtd363H-6R-DN1000,Dtd363H-6R-DN1200,Dtd363H-6R-DN1400,Dtd363H-6R-DN1600,Dtd363H-6R-DN1800,Dtd363H-6R-DN2000,
Dtd363W-6R-DN600,Dtd363W-6R-DN700,Dtd363W-6R-DN800,Dtd363W-6R-DN900,Dtd363W-6R-DN1000,Dtd363W-6R-DN1200,Dtd363W-6R-DN1400,Dtd363W-6R-DN1600,Dtd363W-6R-DN1800,Dtd363W-6R-DN2000,
Dtd363H-10C-DN600,Dtd363H-10C-DN700,Dtd363H-10C-DN800,Dtd363H-10C-DN900,Dtd363H-10C-DN1000,Dtd363H-10C-DN1200,Dtd363H-10C-DN1400,Dtd363H-10C-DN1600,Dtd363H-10C-DN1800,Dtd363H-10C-DN2000,
Dtd363W-10C-DN600,Dtd363W-10C-DN700,Dtd363W-10C-DN800,Dtd363W-10C-DN900,Dtd363W-10C-DN1000,Dtd363W-10C-DN1200,Dtd363W-10C-DN1400,Dtd363W-10C-DN1600,Dtd363W-10C-DN1800,Dtd363W-10C-DN2000,
Dtd363H-10I-DN600,Dtd363H-10I-DN700,Dtd363H-10I-DN800,Dtd363H-10I-DN900,Dtd363H-10I-DN1000,Dtd363H-10I-DN1200,Dtd363H-10I-DN1400,Dtd363H-10I-DN1600,Dtd363H-10I-DN1800,Dtd363H-10I-DN2000,
Dtd363W-10I-DN600,Dtd363W-10I-DN700,Dtd363W-10I-DN800,Dtd363W-10I-DN900,Dtd363W-10I-DN1000,Dtd363W-10I-DN1200,Dtd363W-10I-DN1400,Dtd363W-10I-DN1600,Dtd363W-10I-DN1800,Dtd363W-10I-DN2000,
Dtd363H-10P-DN600,Dtd363H-10P-DN700,Dtd363H-10P-DN800,Dtd363H-10P-DN900,Dtd363H-10P-DN1000,Dtd363H-10P-DN1200,Dtd363H-10P-DN1400,Dtd363H-10P-DN1600,Dtd363H-10P-DN1800,Dtd363H-10P-DN2000,
Dtd363W-10P-DN600,Dtd363W-10P-DN700,Dtd363W-10P-DN800,Dtd363W-10P-DN900,Dtd363W-10P-DN1000,Dtd363W-10P-DN1200,Dtd363W-10P-DN1400,Dtd363W-10P-DN1600,Dtd363W-10P-DN1800,Dtd363W-10P-DN2000,
Dtd363H-10R-DN600,Dtd363H-10R-DN700,Dtd363H-10R-DN800,Dtd363H-10R-DN900,Dtd363H-10R-DN1000,Dtd363H-10R-DN1200,Dtd363H-10R-DN1400,Dtd363H-10R-DN1600,Dtd363H-10R-DN1800,Dtd363H-10R-DN2000,
Dtd363W-10R-DN600,Dtd363W-10R-DN700,CCLAIR,Dtd363W-10R-DN800,Dtd363W-10R-DN900,Dtd363W-10R-DN1000,Dtd363W-10R-DN1200,Dtd363W-10R-DN1400,Dtd363W-10R-DN1600,Dtd363W-10R-DN1800,Dtd363W-10R-DN2000,
Dtd363H-16C-DN600,Dtd363H-16C-DN700,Dtd363H-16C-DN800,Dtd363H-16C-DN900,Dtd363H-16C-DN1000,Dtd363H-16C-DN1200,Dtd363H-16C-DN1400,Dtd363H-16C-DN1600,Dtd363H-16C-DN1800,Dtd363H-16C-DN2000,
Dtd363W-16C-DN600,Dtd363W-16C-DN700,Dtd363W-16C-DN800,Dtd363W-16C-DN900,Dtd363W-16C-DN1000,Dtd363W-16C-DN1200,Dtd363W-16C-DN1400,Dtd363W-16C-DN1600,Dtd363W-16C-DN1800,Dtd363W-16C-DN2000,
Dtd363H-16I-DN600,Dtd363H-16I-DN700,Dtd363H-16I-DN800,Dtd363H-16I-DN900,Dtd363H-16I-DN1000,Dtd363H-16I-DN1200,Dtd363H-16I-DN1400,Dtd363H-16I-DN1600,Dtd363H-16I-DN1800,Dtd363H-16I-DN2000,
Dtd363W-16I-DN600,Dtd363W-16I-DN700,Dtd363W-16I-DN800,Dtd363W-16I-DN900,Dtd363W-16I-DN1000,Dtd363W-16I-DN1200,Dtd363W-16I-DN1400,Dtd363W-16I-DN1600,Dtd363W-16I-DN1800,Dtd363W-16I-DN2000,
Dtd363H-16P-DN600,Dtd363H-16P-DN700,Dtd363H-16P-DN800,Dtd363H-16P-DN900,Dtd363H-16P-DN1000,Dtd363H-16P-DN1200,Dtd363H-16P-DN1400,Dtd363H-16P-DN1600,Dtd363H-16P-DN1800,Dtd363H-16P-DN2000,
Dtd363W-16P-DN600,Dtd363W-16P-DN700,Dtd363W-16P-DN800,Dtd363W-16P-DN900,Dtd363W-16P-DN1000,Dtd363W-16P-DN1200,Dtd363W-16P-DN1400,Dtd363W-16P-DN1600,Dtd363W-16P-DN1800,Dtd363W-16P-DN2000,
Dtd363H-16R-DN600,Dtd363H-16R-DN700,Dtd363H-16R-DN800,Dtd363H-16R-DN900,Dtd363H-16R-DN1000,Dtd363H-16R-DN1200,Dtd363H-16R-DN1400,Dtd363H-16R-DN1600,Dtd363H-16R-DN1800,Dtd363H-16R-DN2000,
Dtd363W-16R-DN600,Dtd363W-16R-DN700,Dtd363W-16R-DN800,Dtd363W-16R-DN900,Dtd363W-16R-DN1000,Dtd363W-16R-DN1200,Dtd363W-16R-DN1400,Dtd363W-16R-DN1600,Dtd363W-16R-DN1800,Dtd363W-16R-DN2000,
Dtd363H-25C-DN600,Dtd363H-25C-DN700,Dtd363H-25C-DN800,Dtd363H-25C-DN900,Dtd363H-25C-DN1000,Dtd363H-25C-DN1200,Dtd363H-25C-DN1400,Dtd363H-25C-DN1600,Dtd363H-25C-DN1800,Dtd363H-25C-DN2000,
Dtd363W-25C-DN600,Dtd363W-25C-DN700,Dtd363W-25C-DN800,Dtd363W-25C-DN900,Dtd363W-25C-DN1000,Dtd363W-25C-DN1200,Dtd363W-25C-DN1400,Dtd363W-25C-DN1600,Dtd363W-25C-DN1800,Dtd363W-25C-DN2000,
Dtd363H-25I-DN600,Dtd363H-25I-DN700,Dtd363H-25I-DN800,Dtd363H-25I-DN900,Dtd363H-25I-DN1000,Dtd363H-25I-DN1200,Dtd363H-25I-DN1400,Dtd363H-25I-DN1600,Dtd363H-25I-DN1800,Dtd363H-25I-DN2000,
Dtd363W-25I-DN600,Dtd363W-25I-DN700,Dtd363W-25I-DN800,Dtd363W-25I-DN900,Dtd363W-25I-DN1000,Dtd363W-25I-DN1200,Dtd363W-25I-DN1400,Dtd363W-25I-DN1600,Dtd363W-25I-DN1800,Dtd363W-25I-DN2000,
Dtd363H-25P-DN600,Dtd363H-25P-DN700,CCLAIR,Dtd363H-25P-DN800,Dtd363H-25P-DN900,Dtd363H-25P-DN1000,Dtd363H-25P-DN1200,Dtd363H-25P-DN1400,Dtd363H-25P-DN1600,Dtd363H-25P-DN1800,Dtd363H-25P-DN2000,
Dtd363W-25P-DN600,Dtd363W-25P-DN700,Dtd363W-25P-DN800,Dtd363W-25P-DN900,Dtd363W-25P-DN1000,Dtd363W-25P-DN1200,Dtd363W-25P-DN1400,Dtd363W-25P-DN1600,Dtd363W-25P-DN1800,Dtd363W-25P-DN2000,
Dtd363H-25R-DN600,Dtd363H-25R-DN700,Dtd363H-25R-DN800,Dtd363H-25R-DN900,Dtd363H-25R-DN1000,Dtd363H-25R-DN1200,Dtd363H-25R-DN1400,Dtd363H-25R-DN1600,Dtd363H-25R-DN1800,Dtd363H-25R-DN2000,
Dtd363W-25R-DN600,Dtd363W-25R-DN700,Dtd363W-25R-DN800,Dtd363W-25R-DN900,Dtd363W-25R-DN1000,Dtd363W-25R-DN1200,Dtd363W-25R-DN1400,Dtd363W-25R-DN1600,Dtd363W-25R-DN1800,Dtd363W-25R-DN2000,
Dtd363H-40C-DN600,Dtd363H-40C-DN700,Dtd363H-40C-DN800,Dtd363H-40C-DN900,Dtd363H-40C-DN1000,Dtd363H-40C-DN1200,Dtd363H-40C-DN1400,Dtd363H-40C-DN1600,Dtd363H-40C-DN1800,Dtd363H-40C-DN2000,
Dtd363W-40C-DN600,Dtd363W-40C-DN700,Dtd363W-40C-DN800,Dtd363W-40C-DN900,Dtd363W-40C-DN1000,Dtd363W-40C-DN1200,Dtd363W-40C-DN1400,Dtd363W-40C-DN1600,Dtd363W-40C-DN1800,Dtd363W-40C-DN2000,
Dtd363H-40I-DN600,Dtd363H-40I-DN700,Dtd363H-40I-DN800,Dtd363H-40I-DN900,Dtd363H-40I-DN1000,Dtd363H-40I-DN1200,Dtd363H-40I-DN1400,Dtd363H-40I-DN1600,Dtd363H-40I-DN1800,Dtd363H-40I-DN2000,
Dtd363W-40I-DN600,Dtd363W-40I-DN700,Dtd363W-40I-DN800,Dtd363W-40I-DN900,Dtd363W-40I-DN1000,Dtd363W-40I-DN1200,Dtd363W-40I-DN1400,Dtd363W-40I-DN1600,Dtd363W-40I-DN1800,Dtd363W-40I-DN2000,
Dtd363H-40P-DN600,Dtd363H-40P-DN700,Dtd363H-40P-DN800,Dtd363H-40P-DN900,Dtd363H-40P-DN1000,Dtd363H-40P-DN1200,Dtd363H-40P-DN1400,Dtd363H-40P-DN1600,Dtd363H-40P-DN1800,Dtd363H-40P-DN2000,
Dtd363W-40P-DN600,Dtd363W-40P-DN700,CCLAIR,Dtd363W-40P-DN800,Dtd363W-40P-DN900,Dtd363W-40P-DN1000,Dtd363W-40P-DN1200,Dtd363W-40P-DN1400,Dtd363W-40P-DN1600,Dtd363W-40P-DN1800,Dtd363W-40P-DN2000,
Dtd363H-40R-DN600,Dtd363H-40R-DN700,Dtd363H-40R-DN800,Dtd363H-40R-DN900,Dtd363H-40R-DN1000,Dtd363H-40R-DN1200,Dtd363H-40R-DN1400,Dtd363H-40R-DN1600,Dtd363H-40R-DN1800,Dtd363H-40R-DN2000,
Dtd363W-40R-DN600,Dtd363W-40R-DN700,Dtd363W-40R-DN800,Dtd363W-40R-DN900,Dtd363W-40R-DN1000,Dtd363W-40R-DN1200,Dtd363W-40R-DN1400,Dtd363W-40R-DN1600,Dtd363W-40R-DN1800,Dtd363W-40R-DN2000,
一、產品[對焊式金屬硬密封蝶閥]的詳細資料: