锻钢止回阀
Forged steel check valve
应用规范：
1、设计制造: 按ANSIB16.34;API602
2、连接端尺寸: ①承插孔尺寸按ANSI B16.11;JIS B2306;
②螺纹端尺寸按ANSI B1.20.1;BS21;ISO7/1;JIS B0203
3、阀门检验与试验: 按API 598
4、结构特征: B.B;升降止回或B.B，旋启止回或B.B带弹簧升降止回
5、材料: 按ANSI/ASTM的规定
6、主体材料: A105;F5;F11;F22;304;304L;316;316L;LF2等
Application criterion：
1. Design and manufacture: According to ANSIB16.34; API602
2. Size of connecting size: ① for size of socket joint hole: according to ANSI B16.11; JIS B2306;
② for size of thread end: according to ANSI B1.20.1; BS21; ISO7/1; JIS B0203
3. Valve inspection and test: according to API 598
4. Structure characteristics: BB; lift check or B.B, swing check or B.B lift check with a spring
5. Materials: in compliance with ANSI / ASTM requirements
6. Materials of main body: A105; F5; F11; F22; 304; 304L; 316; 316L; LF2, etc.
外型尺寸和重量/Prime out-form dimensions and weigh
|
压力磅级
(Lb)
Pressure
pound grade |
规格DNSpecifications |
S |
L |
T(in) |
H |
重量(kg)
Weight |
|
英制(in)
British system |
公制
Metric |
ANSI |
JIS |
升降
止回 |
旋启
止回 |
ANSI |
ISO;BS |
JIS |
升降
止回 |
旋启
止回 |
|
APT牙形60° |
PT或RC牙形55° |
|
缩径
Reduced port |
全径
Full port |
缩径
Reduced port |
全径
Full port |
缩径
Reduced port |
全径
Full port |
缩径
Reduced port |
全径
Full port |
缩径
Reduced port |
全径
Full port |
缩径
Reduced port |
全径
Full port |
升降
止回 |
旋启
止回 |
|
150~800
1500 |
1/4 |
|
8 |
|
14.2 |
|
14.3 |
|
79 |
79 |
1/4 |
|
1/4 |
|
61 |
61 |
1.5 |
1.3 |
|
3/8 |
1/4 |
10 |
8 |
17.6 |
14.2 |
17.9 |
14.3 |
79 |
79 |
3/8 |
1/4 |
3/8 |
1/4 |
61 |
61 |
1.4 |
1.2 |
|
1/2 |
3/8 |
15 |
10 |
21.8 |
17.6 |
22.2 |
17.9 |
79 |
79 |
1/2 |
3/8 |
1/2 |
3/8 |
61 |
61 |
1.2 |
1.0 |
|
3/4 |
1/2 |
20 |
15 |
27.1 |
21.8 |
27.7 |
22.2 |
92 |
92 |
3/4 |
1/2 |
3/4 |
1/2 |
61 |
61 |
1.4 |
1.1 |
|
1 |
3/4 |
25 |
20 |
33.8 |
27.1 |
34.5 |
27.7 |
111 |
111 |
1 |
3/4 |
1 |
3/4 |
78 |
78 |
2.3 |
1.9 |
|
11/4 |
1 |
32 |
25 |
42.6 |
33.8 |
43.2 |
34.5 |
120 |
120 |
11/4 |
1 |
11/4 |
1 |
84 |
84 |
3.9 |
3.4 |
|
11/2 |
11/4 |
40 |
32 |
48.7 |
42.6 |
49.1 |
43.2 |
152 |
120 |
11/2 |
11/4 |
11/2 |
11/4 |
103 |
101 |
5.6 |
4.5 |
|
2 |
11/2 |
50 |
40 |
61.1 |
48.7 |
61.1 |
49.1 |
172 |
140 |
2 |
11/2 |
2 |
11/2 |
118 |
120 |
8.9 |
7.3 |
|
|
2 |
|
50 |
|
61.1 |
|
61.1 |
200 |
170 |
|
2 |
|
2 |
132 |
133 |
12.5 |
10 |
|
1/4 |
|
8 |
|
14.2 |
|
14.3 |
|
111 |
111 |
1/4 |
|
1/4 |
|
79 |
79 |
3.2 |
3.2 |
|
3/8 |
|
10 |
8 |
17.6 |
14.2 |
17.9 |
14.3 |
111 |
111 |
3/8 |
1/4 |
3/8 |
1/4 |
79 |
79 |
3.1 |
3.1 |
|
1/2 |
|
15 |
10 |
21.8 |
17.6 |
22.2 |
17.9 |
111 |
111 |
1/2 |
3/8 |
1/2 |
3/8 |
79 |
79 |
3.0 |
3.0 |
|
3/4 |
|
20 |
15 |
27.1 |
21.8 |
27.7 |
22.2 |
111 |
111 |
3/4 |
1/2 |
3/4 |
1/2 |
79 |
79 |
3.4 |
3.6 |
|
1 |
|
25 |
20 |
33.8 |
27.1 |
34.5 |
27.7 |
130 |
120 |
1 |
3/4 |
1 |
3/4 |
97 |
97 |
4.8 |
4.3 |
|
11/4 |
|
32 |
25 |
42.6 |
33.8 |
43.2 |
34.5 |
152 |
140 |
11/4 |
1 |
11/4 |
1 |
104 |
105 |
6.9 |
6.1 |
|
11/2 |
|
40 |
32 |
48.7 |
42.6 |
49.1 |
43.2 |
172 |
140 |
11/2 |
11/4 |
11/2 |
11/4 |
120 |
120 |
10.7 |
8.8 |
|
2 |
|
50 |
40 |
61.1 |
48.7 |
61.1 |
49.1 |
220 |
162 |
2 |
11/2 |
2 |
11/2 |
139 |
140 |
14.6 |
12.6 |
|
|
|
|
|
50 |
|
61.1 |
|
61.1 |
|
|
|
2 |
|
2 |
|
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