O and OA膜片
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O型膜片
这种膜片没有凸缘。在侧壁底部装有O型环密封圈。 不像其他类型的膜片,O型膜片通过将侧壁包裹与自己身上卷入回旋中。然后,珠子会被挤进安装于硬件腰部阀帽上的凹槽中。这种膜片能大大缩减硬件直径,并保持充足的冲程能力。

OA型膜片
这种膜片是第二代O型膜片。它能适用于相似的硬件。与O型膜片不用之处在于,其侧壁连接与O型环的内直径,织物置于其外,这要求倒转踏面角范围进行安装。这种OA型膜片更易于安装,实际上,其中差别是取决于个人喜好。

| Inches | mm | Inches | mm | Inches | mm | |
|
Cylinder Diameter |
1.00-2.50 |
25-64 |
2.51-4.00 |
64-102 |
4.01-8.00 |
102 & up |
| Bead Diameter | .121 |
3.07 |
.151 |
3.84 |
2.42 |
6.15 |
| Convolution Width | .094 |
2.39 |
.156 |
3.96 |
2.50 |
6.35 |
| Flash Projection | .020 x .020 Max. |
0.51 x .0.51 Max. |
.030 x .030 Max. |
0.76 x 0.76 Max. |
.040 x .040 Max. |
1.02 x 1.02 Max. |
| Wall Gauge | .017 |
0.43 |
.024 |
0.61 |
.035 |
0.89 |
| Piston Radius | .063 |
1.60 |
.094 |
2.39 |
.125 |
3.18 |
| Piston Diameter | Cyl. Diam. less .188 |
Cyl. Diam. less 4.78 |
Cyl. Diam. less .313 |
Cyl. Diam. less 7.95 |
Cyl. Diam. less .500 |
Cyl. Diam. less 12.70 |
|
Dia•Com Part No. |
Cylinder Diameter |
Piston Diameter |
Height |
Gauge Approx. |
Convolution Width |
Effective Pressure Area |
Maximum Half-Stroke |
|||||||
| (Inches) | (mm) | (Inches) | (mm) | (Inches) | (mm) | (Inches) | (mm) | (Inches) | (mm) | (Inches) | * | (Inches) | (mm) | |
O-137-87 |
1.37 |
35 |
1.19 |
30 |
0.87 |
22 |
.017 |
0.43 |
.090 |
2.3 |
1.29 |
8.3 |
0.52 |
13.2 |
O-150-62 |
1.50 |
38 |
1.31 |
33 |
0.62 |
16 |
.017 |
0.43 |
.095 |
2.4 |
1.55 |
10.0 |
0.29 |
7.4 |
O-150-94 |
1.50 |
38 |
1.31 |
33 |
0.94 |
24 |
.017 |
0.43 |
.095 |
2.4 |
1.55 |
10.0 |
0.61 |
15.5 |
O-175-144 |
1.75 |
44 |
1.56 |
40 |
1.44 |
37 |
.017 |
0.43 |
.095 |
2.4 |
2.15 |
13.9 |
1.13 |
28.7 |
O-180-144 |
1.80 |
46 |
1.38 |
35 |
1.44 |
37 |
.025 |
0.64 |
.210 |
5.3 |
1.98 |
12.8 |
0.80 |
20.3 |
O-187-150 |
1.87 |
47 |
1.69 |
43 |
1.50 |
38 |
.017 |
0.43 |
.090 |
2.3 |
2.49 |
16.0 |
1.15 |
29.2 |
O-200-162 |
2.00 |
51 |
1.81 |
46 |
1.62 |
41 |
.017 |
0.43 |
.095 |
2.4 |
2.85 |
18.4 |
1.27 |
32.3 |
O-200-200 |
2.00 |
51 |
1.87 |
47 |
2.00 |
51 |
.017 |
0.43 |
.065 |
1.7 |
2.94 |
19.0 |
1.64 |
41.7 |
O-250-200 |
2.50 |
64 |
2.31 |
59 |
2.00 |
51 |
.017 |
0.43 |
.095 |
2.4 |
4.54 |
29.3 |
1.65 |
41.9 |
O-275-112 |
2.75 |
70 |
2.44 |
62 |
1.12 |
28 |
.024 |
0.61 |
.155 |
3.9 |
5.29 |
34.1 |
0.57 |
14.5 |
O-400-238 |
4.00 |
102 |
3.69 |
94 |
2.38 |
60 |
.035 |
0.89 |
.155 |
3.9 |
11.61 |
74.9 |
1.83 |
46.5 |
O-500-312 |
5.00 |
127 |
4.50 |
114 |
3.12 |
79 |
.035 |
0.89 |
.250 |
6.4 |
17.71 |
114.3 |
2.28 |
57.9 |
O-600-440 |
6.00 |
152 |
5.50 |
140 |
4.40 |
112 |
.035 |
0.89 |
.250 |
6.4 |
25.95 |
167.4 |
3.56 |
90.4 |
OA-50-53 |
.50 |
13 |
0.36 |
9 |
0.53 |
13 |
.015 |
0.38 |
.070 |
1.8 |
0.15 |
0.9 |
0.34 |
8.6 |
OA-75-85 |
0.75 |
19 |
0.55 |
14 |
0.85 |
22 |
.017 |
0.43 |
.100 |
2.5 |
0.33 |
2.1 |
0.46 |
11.7 |
OA-106-145 |
1.06 |
27 |
0.94 |
24 |
1.45 |
37 |
.017 |
0.43 |
.060 |
1.5 |
0.79 |
5.1 |
1.12 |
28.4 |
OA-112-69 |
1.12 |
28 |
0.94 |
24 |
0.69 |
18 |
.017 |
0.43 |
.090 |
2.3 |
0.83 |
5.4 |
0.33 |
8.4 |
OA-137-53 |
1.37 |
35 |
1.19 |
30 |
0.53 |
13 |
.017 |
0.43 |
.090 |
2.3 |
1.29 |
8.3 |
0.17 |
4.3 |
OA-187-197 |
1.87 |
47 |
1.69 |
43 |
1.97 |
50 |
.017 |
0.43 |
.090 |
2.3 |
2.49 |
16.0 |
1.69 |
42.9 |
OA-200-69 |
2.00 |
51 |
1.81 |
46 |
0.69 |
18 |
.017 |
0.43 |
.095 |
2.4 |
2.85 |
18.4 |
0.33 |
8.4 |
OA-225-137 |
2.25 |
57 |
2.06 |
52 |
1.37 |
35 |
.018 |
0.46 |
.095 |
2.4 |
3.65 |
23.5 |
1.01 |
25.7 |
OA-283-160 |
2.83 |
722 |
2.52 |
64 |
1.60 |
41 |
.024 |
0.61 |
.155 |
3.9 |
5.62 |
36.2 |
1.09 |
27.7 |
OA-462-350 |
4.62 |
117 |
4.00 |
102 |
3.50 |
89 |
.035 |
0.89 |
.310 |
7.9 |
14.58 |
94.1 |
2.86 |
72.6 |
OA-475-225 |
4.75 |
121 |
4.25 |
108 |
2.25 |
57 |
.017 |
0.43 |
.250 |
6.4 |
15.90 |
102.6 |
1.22 |
31.0 |
*Metric effective pressure area shown in square centimeters. |
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