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Marine Class 150 Lift Check Valve
Marine Class 150 Lift Check Valve
1. Application
Marine class 150 lift check valve is an important component of marine piping systems, providing critical protection against backflow and ensuring the safe and efficient operation of marine vessels. The lift check valve is subject to regular inspection and maintenance to ensure that it is always in good working order.
2. Material
(1). - Body: Stainelss steel
(2). - Disc: Stainless steel
(3). - Spring: stainless steel
(4). - Cover: alloy
3. Nominal Diameter ＆ Pressure
Diameter: 15~200
Pressure: 150
4. Features
Lift check design: The lift check valve has a disc that is lifted off its seat to allow flow in one direction. When the fluid flow reverses, the disc falls back into its seat, preventing backflow.
Spring-loaded or weight-loaded: The valve can be spring-loaded or weight-loaded to ensure the disc returns to its closed position quickly and reliably.
Pressure rating: The "150" in the name refers to the pressure rating of the valve, which is 150 pounds per square inch (psi). This means that the valve is designed to withstand a maximum pressure of 150 psi without leaking or failing.
5. Main Size List
|
150LB |
NPS |
DN |
L |
D |
D2 |
D3 |
D4 |
|
1/2 |
15 |
25 |
25 |
15 |
25 |
25 |
|
|
3/4 |
20 |
31.5 |
31.5 |
19 |
30 |
30 |
|
|
1 |
25 |
.5.5 |
35.5 |
24 |
36 |
36 |
|
|
1-1/4 |
32 |
40 |
40 |
31 |
43 |
43 |
|
|
1-1/2 |
40 |
45 |
45 |
39 |
52 |
52 |
|
|
2 |
50 |
56 |
56 |
48 |
62 |
62 |
|
|
2-1/2 |
65 |
63 |
63 |
62 |
75 |
75 |
|
|
3 |
80 |
71 |
71 |
76 |
90 |
90 |
|
|
4 |
100 |
80 |
80 |
95 |
112 |
112 |
|
|
5 |
125 |
110 |
110 |
110 |
125 |
132 |
|
|
6 |
150 |
125 |
125 |
125 |
150 |
158 |
|
|
8 |
200 |
160 |
160 |
165 |
200 |
208 |
6. IACS Certificate: ABS, DNV-GL, LR, RINA, BV, CCS.
