三通牙口球閥2057N
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FEATURES
- L port / T port, 1/4"~2" (DN8~DN50)
- W. P.: 1000 WOG (PN63)
- W. T.:-20℃ ~200℃ (-4℉~392℉)
- Investment casting
- Blow-out proof stem
- Locking device
- Anti-static device (option)
- ISO 5211 mounting pad
- Thread type :ASME B1.20.1 (NPT) DIN2999 & BS21 ISO 7/1 & EN10226
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| ITEM |
PARTS |
MATERIAL |
| 1 |
BODY |
ASTM A351-CF8M |
| 2 |
CAP-A |
| 3 |
CAP-B |
| 4 |
BALL |
| 5 |
SEAT |
PTFE |
| 6 |
STEM |
AISI 316 |
| 7 |
SEAL-A |
PTFE |
| 8 |
THRUST WASHER |
| 9 |
PACKING |
| 10 |
GLAND NUT |
AISI 304 |
| 11 |
SPRING WASHER |
| 12 |
STEM NUT |
| 13 |
LOCKING DEVICE |
| 14 |
HANDLE |
| 15 |
HANDLE SLEEVE |
PVC |
| 16 |
STOP PIN |
AISI 304 |
| 17 |
SEAL-B |
PTFE | |
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| DN |
d |
D |
L |
B |
F |
H |
W |
E |
M |
H1 |
H2 |
A |
Torque (N-M) |
| 8 |
11.6 |
25.5 |
76 |
37.3 |
58.5 |
67 |
153 |
42 |
M5 |
29.1 |
18 |
8 |
7.9 |
| 10 |
12.5 |
25.5 |
76 |
37.3 |
58.5 |
67 |
153 |
42 |
M5 |
29.1 |
18 |
8 |
8.1 |
| 15 |
12.5 |
25.5 |
76 |
37.3 |
58.5 |
67 |
153 |
42 |
M5 |
29.1 |
18 |
8 |
11.3 |
| 20 |
16 |
32 |
86 |
44 |
72 |
77 |
153 |
42 |
M5 |
38.5 |
20 |
8 |
14.5 |
| 25 |
20 |
38.5 |
99 |
49 |
81.5 |
83 |
183 |
50 |
M6 |
43 |
23 |
9.5 |
20 |
| 32 |
25 |
48.5 |
117 |
57 |
94.5 |
88 |
183 |
50 |
M6 |
47.8 |
23 |
9.5 |
23.8 |
| 40 |
32 |
58.5 |
124 |
61.3 |
104 |
116 |
246 |
70 |
M8 |
55.7 |
34 |
12.5 |
34.8 |
| 50 |
38 |
69.5 |
148 |
74.3 |
125 |
124 |
246 |
70 |
M8 |
64.5 |
34 |
12.5 |
58.1 |
unit:mm |
| NPS |
d |
D |
L |
B |
F |
H |
W |
E |
M |
H1 |
H2 |
A |
Torque (in-lb) |
| 1/4" |
0.46 |
1 |
2.99 |
1.47 |
2.3 |
2.64 |
6.02 |
1.65 |
M5 |
1.15 |
0.71 |
0.31 |
70.1 |
| 3/8" |
0.49 |
1 |
2.99 |
1.47 |
2.3 |
2.64 |
6.02 |
1.65 |
M5 |
1.15 |
0.71 |
0.31 |
72 |
| 1/2" |
0.49 |
1 |
2.99 |
1.47 |
2.3 |
2.64 |
6.02 |
1.65 |
M5 |
1.15 |
0.71 |
0.31 |
100.3 |
| 3/4" |
0.63 |
1.26 |
3.39 |
1.73 |
2.83 |
3.03 |
6.02 |
1.65 |
M5 |
1.52 |
0.79 |
0.31 |
128.5 |
| 1" |
0.79 |
1.52 |
3.9 |
1.93 |
3.21 |
3.27 |
7.2 |
1.97 |
M6 |
1.69 |
0.91 |
0.37 |
177.2 |
| 1-1/4" |
0.98 |
1.91 |
4.61 |
2.24 |
3.72 |
3.46 |
7.2 |
1.97 |
M6 |
1.88 |
0.91 |
0.37 |
210.3 |
| 1-1/2" |
1.26 |
2.3 |
4.88 |
2.41 |
4.09 |
4.57 |
9.69 |
2.76 |
M8 |
2.19 |
1.34 |
0.49 |
307.7 |
| 2" |
1.5 |
2.74 |
5.83 |
2.93 |
4.92 |
4.88 |
9.69 |
2.76 |
M8 |
2.54 |
1.34 |
0.49 |
514 |
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一種閥門的閥板結構，它包括一中間為向一側外凸的蓋狀圓形閥板體，所述閥板體的外凸麵中間設置有沿著直徑方向的一條淺凸條，並在該凸條兩端的閥板體邊緣上分別開設有一個相向的、徑向布置的轉軸孔，在所述閥板體的內表麵上設置有與外圓對應的、底麵呈弧形麵的凹陷槽，所述凹陷槽的底麵與外凸麵的厚度是從外向內呈逐漸變厚狀態；所述閥板體的圓周邊設置有法蘭密封邊；所述淺凸條兩端部的外表麵上對應於轉軸孔、分別設置有一個橫向通孔和二個處於同一中心線的兩個橫向通孔；另在閥板體的外凸麵上、位於淺凸條的兩側分別設置有外凸的近似半圓形凸起表麵；它具有結構簡單，使用操作靈活，整體輕巧，承壓能力大，使用壽命長等特點。
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