升降式止回閥Piston-life type check valve
標準 standards
設計和制造 design and manufacture:API 602
主要外形尺寸及重量main size of outside & weight
型號 Model: H11H、H61H
Class
規格Size
升降式止回閥lift check valve
旋啟式止回閥swing check valve
NPS
DN
尺寸 dimensions (mm)
重量 weight(kg)
尺寸 dimensions (mm)
重量 weight(kg)
L
d
S
H
NPT
L
d
S
H
NPT
150-180
1/2
15
79
9.5
21.8
61
1/2
1.2
79
9.5
21.8
61
1/2
1.0
3/4
20
92
12.7
27.1
61
3/4
1.4
92
12.7
27.1
61
3/4
1.1
1
111
17.5
33.6
78
1¼
2.3
111
17.5
33.8
78
1
1.9
1¼
32
120
23.8
42.6
84
3.9
120
23.8
42.6
84
1¼
3.4
1½
40
152
28.6
48.7
103
1½
5.6
120
28.6
48.7
101
1½
4.5
2
50
172
36.5
61.1
118
2
8.9
140
36.5
61.1
120
2
7.3
900
1/2
15
111
9.5
21.8
79
1/2
3.0
111
9.5
21.8
79
1/2
3.0
3/4
20
111
12.7
27.1
79
3/4
3.4
111
12.7
27.1
79
3/4
3.6
1
25
130
17.5
33.8
97
1
4.8
120
17.5
33.8
97
1
4.3
1¼
32
152
23.8
42.6
104
1¼
6.9
140
23.8
42.6
105
1¼
6.1
1½
40
172
28.6
48.7
120
1½
10.7
140
28.6
48.7
120
1½
8.8
2
50
220
36.5
61.1
139
2
14.6
162
36.5
61.1
140
2
12.6
1500
1/2
15
111
9.5
21.8
79
1/2
3.0
111
9.5
21.8
79
1/2
3.0
3/4
20
111
12.7
27.1
79
3/4
3.4
111
12.7
27.1
79
3/4
3.6
1
25
130
17.5
33.8
97
1
4.8
120
17.5
33.8
97
1
4.3
1¼
32
152
23.8
42.6
104
1¼
6.9
140
23.8
42.6
105
1¼
6.1
1½
40
172
28.6
48.7
120
1½
10.7
140
28.6
48.7
120
1½
8.8
2
50
220
36.5
61.1
139
2
14.6
162
36.5
61.1
140
2
12.6
