Product Overview
D673H pneumatic pneumatic butterfly valve is widely used in power station heating system and catalytic cracking main fan pipe system and steel, metallurgy, chemical and other industrial systems, as well as environmental protection, water treatment, high-rise building water supply and drainage pipelines to cut off or adjust the flow left.
Features:
1. The design adopts the principle of three eccentricities, which separates when the seal is opened, and seals when the contact is closed, so the sealing performance is reliable.
2. The sealing ring is made of stainless steel, which has the characteristics of high temperature resistance and long service life under high temperature and cold conditions.
3. The axial positioning device solves the problem of wear and easy leakage of the axial sealing surface, and the transmission device can be installed in any direction.
4. The overflow area is large, the flow resistance coefficient is small, and the circulation capacity is strong.
5. Anti-aging, anti-radiation, durable.
6. The seal is adjustable, and there is no leakage after 100,000 times.
Model representative
Valve type code: "D" means butterfly valve
Transmission form code: "6" means pneumatic
Connection form code: "7" indicates a clip-on connection
Structural form code: "3" means multi-level three eccentricities
Sealing surface material code: "H" stands for hard sealing of surfacing alloy metal
Nominal pressure of the valve: "16" means that the value is 10 times the nominal pressure value in the unit of "MPa".
Main component materials
|
Air driven |
Compressed air 4-6 bar (with handwheels) |
|
It is known as Tongjing |
50～1200mm |
|
Nominal pressure |
1.0～4.0Mpa |
|
Applicable temperature |
-20～+600℃ |
|
Connection |
Pair clamps |
|
Valve structure |
eccentricity |
|
Body material |
316, 304, carbon steel |
|
Spool material |
316, 304, carbon steel |
|
Sealing material |
PTFE, body, alloy |
|
Applicable media |
Gas, water, oil, etc |
|
Optional accessories |
Limit switches, positioners, solenoid valves, pressure reducing valves |
Main technical parameters:
|
Nominal DN |
mm |
50～1 400 |
|||||
|
Nominal pressure PN |
MPa |
0.25 |
0.6 |
1.0 |
1.6 |
2.5 |
4.0 |
|
Test pressure |
Strength test |
0.375 |
0.9 |
1.5 |
2.4 |
3.75 |
6.0 |
|
Seal test |
0.275 |
0.66 |
1.1 |
1.76 |
2.75 |
4.4 |
|
|
Hermetically sealed test |
0.5～0.7MPa |
||||||
|
Applicable media |
Water, oil, steam, gas, acid, alkali, etc |
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|
Applicable temperature |
A 40°C~5 70°C |
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Connection Size (mm)
|
Pathway |
Main sizes |
0.25MPa |
0.6MPa |
1.0MPa |
|||||||||
|
mm |
inch |
L |
H |
H1 |
D1 |
Z-φMd |
a |
D 1 |
Z-φMd |
a |
D1 |
Z-φMd |
a |
|
50 |
2 |
43 |
72 |
200 |
110 |
4-φ14 |
45° |
110 |
4-φ14 |
45° |
125 |
4-φ18 |
45° |
|
65 |
2 1/2 |
46 |
110 |
225 |
130 |
4-φ14 |
45° |
130 |
4-φ14 |
45° |
145 |
4-φ18 |
45° |
|
80 |
3 |
49 |
15 |
240 |
150 |
4-φ18 |
45° |
150 |
4-φ18 |
45° |
160 |
4-φ18 |
22°30´ |
|
100 |
4 |
56 |
10 |
255 |
170 |
4-φ18 |
45° |
170 |
4-φ18 |
45° |
180 |
4-φ18 |
22°30´ |
|
125 |
5 |
64 |
10 |
305 |
200 |
4-φ18 |
22°30´ |
200 |
4-φ18 |
22°30´ |
210 |
4-φ18 |
22°30´ |
|
150 |
6 |
70 |
15 |
325 |
225 |
4-φ18 |
22°30´ |
225 |
4-φ18 |
22°30´ |
240 |
4-φ22 |
22°30´ |
|
200 |
8 |
71 |
210 |
380 |
280 |
4-φ18 |
22°30´ |
280 |
4-φ18 |
22°30´ |
295 |
4-φ22 |
22°30´ |
|
250 |
10 |
76 |
245 |
410 |
335 |
4-φ18 |
1° |
335 |
4-φ18 |
15° |
350 |
4-φ22 |
15° |
|
300 |
12 |
83 |
280 |
460 |
395 |
4-φ22 |
1° |
395 |
4-φ22 |
15° |
400 |
4-φ22 |
15° |
|
350 |
14 |
92 |
315 |
525 |
445 |
4-φ22 |
1° |
445 |
4-φ22 |
15° |
460 |
4-φ22 |
11°15´ |
|
400 |
16 |
102 |
345 |
545 |
495 |
4-φ22 |
11°5´ |
495 |
4-φ22 |
11°15´ |
515 |
4-φ26 |
11°15´ |
|
450 |
18 |
114 |
380 |
630 |
550 |
4-φ22 |
11°5´ |
550 |
4-φ22 |
11°15´ |
565 |
4-φ26 |
9°15´ |
|
500 |
20 |
127 |
415 |
650 |
600 |
4-φ22 |
9° |
600 |
4-φ22 |
9° |
620 |
4-φ26 |
9° |
|
600 |
24 |
154 |
460 |
680 |
705 |
4-φ26 |
9° |
705 |
4-φ26 |
9° |
725 |
4-φ30 |
9° |
|
700 |
28 |
165 |
488 |
780 |
810 |
4-φ26 |
7°3´ |
810 |
4-φ26 |
7°3´ |
840 |
4-M27 |
7°30´ |
|
800 |
32 |
190 |
572 |
860 |
920 |
4-φ30 |
7°3´ |
920 |
4-φ30 |
7°3´ |
950 |
4-M30 |
7°30´ |
|
900 |
36 |
203 |
628 |
900 |
1020 |
4-φ30 |
7°3´ |
1 020 |
4-φ30 |
7°3´ |
1050 |
4-M30 |
6°26´ |
|
1000 |
40 |
216 |
698 |
1000 |
1120 |
4-φ30 |
6°26´ |
1120 |
4-φ30 |
6°26´ |
1160 |
4-M33 |
6°26´ |
|
1200 |
48 |
254 |
810 |
1100 |
1320 |
4-φ30 |
5°36´ |
1340 |
4-φ33 |
5°36´ |
1380 |
4-M36 |
5°38´ |
|
1400 |
56 |
279 |
940 |
1200 |
1520 |
4-φ30 |
5° |
1560 |
4-φ36 |
5° |
1590 |
4-M39 |
5° |
