forged steel check valve
通径
|
缩径RB
|
3/8
|
1/2
|
3/4
|
1
|
1 1/4
|
1 1/2
|
2
|
|
|
NPS
|
全径FB
|
|
3/8
|
1/2
|
3/4
|
1
|
1 1/4
|
1 1/2
|
2
|
|
L
|
150~800Lb
|
79
|
79
|
92
|
111
|
120
|
152
|
172
|
200
|
|
900~1500Lb
|
111
|
111
|
111
|
130
|
152
|
172
|
220
|
220
|
||
H(OPEN)
|
150~800Lb
|
61
|
61
|
65
|
79
|
95
|
103
|
118
|
132
|
|
900~1500Lb
|
65
|
79
|
79
|
97
|
104
|
120
|
139
|
215
|
||
Weights
|
Bolted
|
150~800Lb
|
1.4
|
1.2
|
1.5
|
3.1
|
3.9
|
5.6
|
8.9
|
12.5
|
900~1500Lb
|
1.6
|
3.4
|
3.3
|
5.5
|
6.0
|
9.2
|
12.9
|
16.2
|
||
Welded
|
150~800Lb
|
1.1
|
1.0
|
1.2
|
2.9
|
3.3
|
4.9
|
8.1
|
10.9
|
|
900~1500Lb
|
1.3
|
3.2
|
3.1
|
4.8
|
5.4
|
8.5
|
11.2
|
14.3
|