Marine DIN Cast Steel Angle Check Valve – High-Pressure Backflow Prevention for Critical Marine Systems
Product Overview
The Marine DIN Cast Steel Angle Check Valve is a premium-grade non-return valve engineered for demanding marine applications where backflow prevention is critical. Constructed with cast steel body and stainless steel internal components, this PN40-rated valve ensures reliable performance in preventing medium backflow, pump reversal, and container medium release. With sizes from DN15 to DN500, it offers superior durability and corrosion resistance for the most challenging marine environments, complying with international DIN standards.
Key Features & Benefits
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✅ PN40 High-Pressure Rating – Designed for extreme pressure marine applications
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✅ Angle Design Configuration – 90° design saves space and reduces piping complexity
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✅ Stainless Steel Internal Components – Superior corrosion resistance and longevity
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✅ Spring-Assisted Operation – Positive closure prevents water hammer and reverse flow
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✅ Graphite Gasket Sealing – High-temperature resistance and reliable leak-proof performance
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✅ Premium Material Options – SUS304, SUS304L, SUS316L available upon request
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✅ DIN Standard Compliance – Ensures international compatibility and reliability
Material Composition
| Component | Standard Material | Premium Options |
|---|---|---|
| Body & Bonnet | Cast Steel | – |
| Seat | Stainless Steel | SUS304, SUS316L |
| Spring | Stainless Steel | High-grade stainless alloys |
| Bonnet Gasket | Graphite | Flexible graphite composites |
Technical Specifications
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Nominal Diameter: DN15-DN500
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Pressure Rating: PN40
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Standards: DIN Marine Standards
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Media: Water, Steam, Oil, Gas, Chemical Fluids
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Applications: Pump discharge, container outlets, marine propulsion systems
Dimension Table
| CODE | DN | D (mm) | L (mm) | H (mm) | Weight (Kgs) |
|---|---|---|---|---|---|
| 75 59 35 | 15 | 95 | 90 | 40 | 4.2 |
| 75 59 36 | 20 | 105 | 95 | 35 | 4.9 |
| 75 59 37 | 25 | 115 | 100 | 45 | 5.0 |
| 75 59 38 | 32 | 140 | 105 | 45 | 7.6 |
| 75 59 39 | 40 | 150 | 115 | 55 | 10.0 |
| 75 59 40 | 50 | 165 | 125 | 60 | 12.0 |
| 75 59 41 | 65 | 185 | 145 | 65 | 24.5 |
| 75 59 42 | 80 | 200 | 155 | 95 | 28.5 |
| 75 59 43 | 100 | 235 | 175 | 105 | 42.0 |
| 75 59 44 | 125 | 270 | 200 | 120 | 55.0 |
| 75 59 45 | 150 | 300 | 225 | 150 | 90.0 |
| 75 59 47 | 200 | 375 | 275 | 195 | 155.0 |
| 75 59 95 | 250 | 450 | 325 | 220 | 188.0 |
| 75 59 96 | 300 | 515 | 375 | 240 | 262.0 |
| 75 59 97 | 350 | 580 | 425 | 300 | 430.0 |
| 75 59 98 | 400 | 660 | 475 | 310 | 700.0 |
| 75 59 99 | 500 | 755 | 525 | 380 | 925.0 |
The description/sizes may be different with goods, please check with us when order.
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