硬密封蝶阀采用三偏心多层次金属密封结构，无机械磨损，可达到零泄漏，有优良的双向密封功能，使用于石油、化工、冶金、电力、食品、医药、给排水、气体输送等不同介质的管路上作调节流量、截断或接通流体的最佳装置。选用不同的材质，可分别适用于水、污水、海水、空气、蒸汽、煤气、可燃气体、腐蚀性介质、油品及食品等介质，最高工作温度可达600℃。
The Hank triple offset butterfly valve offers excellent shutoff capabilities, with the low torque and reduced wear benefits of a triple offset design. The laminated disc seal, in conjunction with the triple offset geometry, results in a design that can provide bidirectional,bubble-tight shutoff.
Product Specifications
| Design Standards |
ASME B16.34, API 609 (Category B), PED |
| Sizes |
3 to 24 NPS |
| Pressure Classes |
ANSI Class 150, 300, 600, 900, 1500 |
| End Connections |
Lugged, Wafer, Double Flanged (long and short), Butt-weld (cryogenic) |
| Face-to-Face |
API 609 (lug and wafer), API 609 and B16.10 (long pattern), API 609 and ISO 5752 (short pattern) |
| Operating Temperature |
Standard -58°F (-50°C) to 800°F (427°C), High Temperature to 1500°F (820°C), Cryogenic to -320°F (-196°C) |
| Leakage Rates |
API 598 and ISO 5208 Rate A (laminated seat); Rate CC (metal seat) |
| Fire Safety |
API 607, ISO 10497 |
| Fugitive Emissions |
ISO 15848 Tightness Class BH, Endurance Class C01 (low emissions packing) |
| Country Approvals |
PED (EU), TRCU (Russia), CRN (Canada) |
Features and Benefits
• Triple offset design — eliminates wear associated with sealing
surface contact and maintains sealing integrity during high cycle
• Laminated graphite or metal-to-metal sealing provides robust
performance in a wide range of harsh and difficult services
• Robust, anti-blowout shaft meets requirements of API 609
• Bi-directional, tight shut-off
• Low-operating torque for compact, cost-effective actuation
• Meets industry standards for design, fire safety and fugitive Emissions
Flanged and Double Flanged Dimensions
| ASME CLASS 150 (inch dimensions) |
| SIZE |
A (Face to Face) |
B |
C |
Ø D |
E |
F |
G |
H |
J |
K |
Weight, lbs |
| Short |
Long |
Short |
Long |
| 3 |
4.50 |
8.00 |
11.51 |
6.02 |
7.87 |
1.65 |
5.91 |
9.94 |
2.25 |
5.20 |
5.43 |
49 |
53 |
| 4 |
5.00 |
9.00 |
12.87 |
6.18 |
7.87 |
1.65 |
5.91 |
11.30 |
2.50 |
5.20 |
6.31 |
66 |
75 |
| 6 |
5.50 |
10.50 |
14.50 |
7.37 |
7.87 |
1.65 |
5.91 |
12.93 |
2.75 |
5.20 |
7.30 |
86 |
99 |
| 8 |
6.00 |
11.50 |
18.48 |
8.75 |
11.81 |
2.76 |
10.20 |
16.69 |
3.00 |
8.27 |
10.75 |
148 |
170 |
| 10 |
6.50 |
13.00 |
20.86 |
10.13 |
11.81 |
2.76 |
10.20 |
19.07 |
3.25 |
8.27 |
12.00 |
214 |
247 |
| 12 |
7.00 |
14.00 |
22.49 |
12.37 |
11.81 |
3.27 |
11.34 |
20.72 |
3.50 |
9.27 |
13.50 |
309 |
353 |
| 14 |
7.50 |
15.00 |
24.35 |
13.50 |
11.81 |
3.27 |
11.34 |
22.58 |
3.75 |
9.27 |
14.90 |
388 |
441 |
| 16 |
8.50 |
16.00 |
26.77 |
15.00 |
22.05 |
4.41 |
14.69 |
24.40 |
4.25 |
12.28 |
16.15 |
551 |
617 |
| 18 |
8.75 |
17.00 |
28.06 |
15.64 |
22.05 |
4.41 |
14.69 |
25.69 |
4.38 |
12.28 |
16.90 |
666 |
758 |
| 20 |
9.00 |
18.00 |
29.49 |
17.80 |
22.05 |
5.00 |
15.39 |
26.89 |
4.50 |
13.37 |
18.66 |
908 |
1032 |
| 24 |
10.50 |
20.00 |
34.80 |
20.97 |
24.80 |
6.02 |
17.68 |
31.76 |
5.25 |
16.46 |
22.39 |
1367 |
1530 |
| ASME CLASS 150 (inch dimensions) |
| SIZE |
A (Face to Face) |
B |
C |
Ø D |
E |
F |
G |
H |
J |
K |
Weight, lbs |
| Short |
Long |
Short |
Long |
| 3 |
4.50 |
11.12 |
12.98 |
6.02 |
7.87 |
1.65 |
5.91 |
11.41 |
2.25 |
5.20 |
5.93 |
57 |
68 |
| 4 |
5.00 |
12.00 |
13.54 |
6.68 |
7.87 |
1.65 |
5.91 |
11.97 |
2.50 |
5.20 |
6.81 |
82 |
99 |
| 6 |
5.50 |
15.88 |
16.53 |
8.38 |
11.81 |
2.76 |
10.20 |
14.74 |
2.75 |
8.27 |
9.14 |
154 |
192 |
| 8 |
6.00 |
16.50 |
20.67 |
10.37 |
11.81 |
3.27 |
11.34 |
18.90 |
3.00 |
9.27 |
11.51 |
238 |
289 |
| 10 |
6.50 |
18.00 |
22.64 |
11.69 |
19.69 |
3.82 |
12.56 |
20.45 |
3.25 |
11.10 |
12.75 |
348 |
425 |
| 12 |
7.00 |
19.75 |
24.07 |
14.49 |
22.05 |
4.41 |
14.69 |
21.70 |
3.50 |
12.28 |
14.25 |
503 |
626 |
| 14 |
7.50 |
30.00 |
26.54 |
15.66 |
22.05 |
5.00 |
15.39 |
23.94 |
3.75 |
13.37 |
15.90 |
699 |
979 |
| 16 |
8.50 |
33.00 |
29.05 |
17.50 |
24.80 |
6.02 |
17.68 |
26.01 |
4.25 |
16.46 |
17.39 |
972 |
1329 |
| 18 |
8.75 |
36.00 |
31.24 |
18.37 |
24.80 |
6.02 |
17.68 |
28.20 |
4.38 |
16.46 |
19.20 |
1190 |
1669 |
| 20 |
9.00 |
39.00 |
35.14 |
19.56 |
27.95 |
7.09 |
18.86 |
32.03 |
4.50 |
18.48 |
21.16 |
1523 |
2183 |
| 24 |
10.50 |
45.00 |
38.67 |
23.12 |
22.05 |
7.95 |
21.65 |
35.40 |
5.25 |
20.33 |
25.00 |
2306 |
3250 |
| ASME CLASS 600(inch dimensions) |
| SIZE |
A (Face to Face) |
B |
C |
Ø D |
E |
F |
G |
H |
J |
K |
Weight, lbs |
| Short |
Long |
Short |
Long |
| 3 |
7.09 |
14.00 |
11.16 |
6.52 |
7.87 |
1.65 |
5.91 |
9.59 |
3.55 |
5.20 |
5.93 |
73 |
82 |
| 4 |
7.48 |
17.00 |
16.75 |
7.69 |
11.81 |
2.76 |
10.20 |
14.96 |
3.74 |
8.27 |
8.27 |
146 |
174 |
| 6 |
8.27 |
22.00 |
19.10 |
9.25 |
11.81 |
3.27 |
11.34 |
17.33 |
4.14 |
9.27 |
10.61 |
245 |
311 |
| 8 |
9.06 |
26.00 |
22.06 |
12.12 |
22.05 |
4.41 |
14.69 |
19.69 |
4.53 |
12.28 |
12.25 |
432 |
556 |
| 10 |
9.84 |
31.00 |
24.58 |
14.32 |
22.05 |
5.00 |
15.39 |
21.98 |
4.92 |
13.37 |
14.00 |
686 |
917 |
| 12 |
10.63 |
33.00 |
27.77 |
15.75 |
24.80 |
6.02 |
17.68 |
24.73 |
5.32 |
16.46 |
15.11 |
908 |
1259 |
| 14 |
11.42 |
35.00 |
29.10 |
17.60 |
27.95 |
7.09 |
18.86 |
25.99 |
5.71 |
18.48 |
16.28 |
1164 |
1567 |
| 16 |
12.20 |
39.00 |
32.96 |
18.12 |
22.05 |
7.95 |
21.65 |
29.69 |
6.10 |
20.33 |
19.67 |
1565 |
2125 |
| 18 |
12.99 |
43.00 |
37.41 |
20.12 |
31.50 |
9.06 |
22.80 |
33.71 |
6.50 |
24.45 |
21.79 |
2167 |
2961 |
| 20 |
13.78 |
47.00 |
41.49 |
22.25 |
31.50 |
9.06 |
22.80 |
37.79 |
6.89 |
24.45 |
24.63 |
2718 |
3776 |
| 24 |
15.35 |
55.00 |
47.59 |
26.15 |
27.95 |
11.06 |
29.53 |
43.06 |
7.68 |
28.46 |
27.25 |
4039 |
5849 |
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