Check Valve For Marine
Check valves are used in various marine systems including bilge and ballast systems, seawater cooling systems, fuel systems, hydraulic systems, and wastewater systems to prevent reverse flow and ensure the efficient operation of these systems.
Overview
Size and Pressure Rating:
Check valves are available in a range of sizes and pressure ratings to accommodate different marine systems' requirements. It's crucial to select the appropriate size and pressure rating to ensure optimal performance and safety.
Installation:
Check valves can be installed in various orientations depending on the specific requirements of the marine system. Proper installation is essential to ensure the check valve operates effectively and prevents backflow as intended.
Maintenance:
Regular maintenance and inspection of check valves are important to ensure they remain in good working condition. This may include cleaning, lubrication, and replacement of worn-out parts to prevent malfunctions and ensure reliable operation.
Drawing:
Elementary Dimensions | |||||||||||||||||
PN (Mpa) | DN (mm) | Frame dimension | Thickness | Flange | bolt | Lift Range | Weight kg | ||||||||||
I | J | H = | Hi | ||||||||||||||
A | B | A | B | B | D | Di | D2 | do | b | n | Th. | A | B | ||||
1.0 | 65 | 290 | 115 | 123 | 94 | 115 | 6 | 155 | 123 | 104 | 15 | 14 | 6 | M14 | 19 | 122 | 11.3 |
80 | 310 | 125 | 139 | 104 | 125 | 170 | 138 | 118 | 8 | 23 | 164 | 14.3 | |||||
100 | 350 | 150 | 160 | 117 | 135 | 190 | 158 | 138 | 28 | 24.6 | 22.7 | ||||||
125 | 400 | 175 | 185 | 129 | 155 | 7 | 215 | 183 | 164 | 10 | 35 | 37 | 30.4 | ||||
1.6 | 197 | 143 | 225 | 187 | 168 | 17 | 17 | M16 | 45.8 | 40.0 | |||||||
2.5 | 20 | 150 | 75 | 79 | 66 | 75 | 5 | 95 | 68 | 48 | 13 | 12 | 4 | M12 | 6 | 3.6 | 3.5 |
25 | 160 | 80 | 80 | 67 | 80 | 105 | 73 | 56 | 13 | 7 | 43 | 4.1 | |||||
32 | 180 | 85 | 85 | 68 | 85 | 115 | 83 | 64 | 15 | 6 | M14 | 9 | 5.0 | 4.8 | |||
40 | 200 | 90 | 88 | 76 | 90 | 125 | 93 | 74 | 14 | 12 | 63 | 6.0 | |||||
50 | 230 | 95 | 109 | 85 | 95 | 6 | 135 | 103 | 84 | 15 | 8.6 | 8.2 | |||||
65 | 290 | 115 | 123 | 94 | 115 | 7 | 170 | 132 | 110 | 17 | 17 | 8 | M16 | 19 | 133 | 11.5 | |
80 | 310 | 125 | 150 | 110 | 125 | 8 | 185 | 147 | 126 | 19 | 23 | 19.8 | 17.3 | ||||
100 | 350 | 150 | 155 | 118 | 135 | 205 | 167 | 146 | 10 | 28 | 303 | 25.7 |