Part name |
Material Science |
valve body |
Cast iron, cast steel, stainless steel, alloy steel, chromium molybdenum steel |
Disc |
Cast steel, alloy steel (chrome plated), stainless steel, chrome molybdenum steel |
Seal ring |
Stainless steel, poly grease, anti-wear material |
The stem |
2Cr13、1Cr13Stainless steel, chrome molybdenum steel |
filler |
Flexible graphite |
Note: Dt- represents elastic seal structure
Product [metal hard seal butterfly] details:
Product Name: metal hard seal butterfly valve
Product features: metal hard seal butterfly valve, metal butterfly valve, sealed butterfly valve。
二、Dt3/6/43H-40C.P.R.VSeries flange type elastic metal hard sealing butterfly valve:
Nominal diameter |
Structure length (standard value) |
Dimensions (reference values) |
Connection dimensions (standard values) |
|||||||||||||
L |
H |
Dt343H |
Dt643H |
Dt943H |
PN4.0MPa |
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millimeter |
inch |
short |
long |
|
H1 |
A1 |
B1 |
H2 |
A2 |
B2 |
H3 |
A3 |
B3 |
D |
D1 |
Z-d |
50 |
2 |
108 |
150 |
112 |
350 |
180 |
200 |
- |
- |
- |
530 |
250 |
255 |
165 |
125 |
4-18 |
65 |
2 1/2 |
112 |
170 |
115 |
370 |
180 |
200 |
625 |
355 |
92 |
550 |
250 |
255 |
185 |
145 |
8-18 |
80 |
3 |
114 |
180 |
120 |
380 |
180 |
200 |
625 |
355 |
92 |
565 |
250 |
255 |
200 |
160 |
8-18 |
100 |
4 |
127 |
190 |
138 |
420 |
180 |
200 |
645 |
355 |
92 |
600 |
250 |
255 |
235 |
190 |
8-22 |
125 |
5 |
140 |
200 |
164 |
460 |
180 |
200 |
675 |
550 |
138 |
640 |
250 |
255 |
270 |
220 |
8-26 |
150 |
6 |
140 |
210 |
175 |
555 |
270 |
280 |
715 |
550 |
138 |
705 |
300 |
315 |
300 |
250 |
8-26 |
200 |
8 |
152 |
230 |
208 |
605 |
270 |
280 |
800 |
550 |
138 |
775 |
300 |
315 |
375 |
320 |
12-30 |
250 |
10 |
165 |
250 |
243 |
680 |
270 |
280 |
850 |
550 |
138 |
945 |
300 |
315 |
450 |
385 |
12-33 |
300 |
12 |
178 |
270 |
283 |
800 |
380 |
420 |
925 |
450 |
220 |
1070 |
300 |
315 |
515 |
450 |
16-33 |
350 |
14 |
190 |
290 |
310 |
830 |
380 |
420 |
1035 |
450 |
220 |
1140 |
300 |
315 |
580 |
510 |
16-36 |
400 |
6 |
216 |
310 |
350 |
915 |
450 |
470 |
1070 |
650 |
280 |
1210 |
300 |
315 |
660 |
585 |
16-39 |
450 |
8 |
222 |
330 |
380 |
960 |
480 |
490 |
1190 |
650 |
280 |
1335 |
575 |
714 |
685 |
610 |
20-39 |
500 |
20 |
229 |
350 |
410 |
1020 |
480 |
490 |
- |
- |
- |
1415 |
575 |
714 |
755 |
670 |
20-42 |
Nominal diameter |
DN(mm) |
50~1200 |
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Nominal pressure |
PN(MPa) |
0.6 |
1.0 |
1.6 |
2.5 |
4.0 |
Test pressure |
strength test |
0.9 |
1.5 |
2.4 |
3.75 |
6.0 |
|
Seal test |
0.66 |
1.1 |
1.76 |
2.75 |
4.4 |
|
Air tight test |
0.6 |
0.6 |
0.6 |
0.6 |
0.6 |
Applicable medium |
Water, steam, oil, acid corrosion, etc.。 |
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Applicable temperature |
carbon steel:-29℃~425℃ Stainless steel:-40℃~600℃ |