CB/T 3819-1999 Bronze Water Check Valve | Marine Non-Return Valves for Seawater & Freshwater Systems
Product Overview
The CB/T 3819-1999 Bronze Water Type Check Valve is a high-performance non-return valve specifically designed for marine seawater and freshwater applications. Manufactured to Chinese Ship Standard CB/T 3819-1999, this bronze check valve prevents backflow and protects equipment in various marine water systems. With its robust bronze construction and 1.0MPa pressure rating, it ensures reliable performance and long service life in demanding marine environments.
Key Features & Benefits
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✅ CB/T 3819-1999 Certified: Complies with Chinese marine standard specifications
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✅ Bronze Construction: Excellent corrosion resistance for seawater and freshwater applications
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✅ 1.0MPa Pressure Rating: Suitable for standard pressure marine water systems
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✅ Backflow Prevention: Protects pumps and equipment from reverse flow damage
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✅ Custom Material Options: Special materials available upon request
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✅ Sample Availability: Product samples provided for testing and verification
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✅ Wide Size Range: DN50 to DN500 for various piping requirements
Technical Specifications
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Design Standard: CB/T 3819-1999
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Body & Disc Material: Bronze
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Nominal Pressure: 1.0MPa
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Nominal Diameter: DN50-DN500
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Applications: Seawater, Freshwater systems
Dimensions & Specifications
| Nominal Diameter (mm) | D | d | H | Weight (kg) |
|---|---|---|---|---|
| 50 | 108 | 26 | 14 | 1.05 |
| 65 | 128 | 36 | 14 | 1.63 |
| 80 | 144 | 48 | 14 | 2.05 |
| 100 | 164 | 72 | 14 | 3.43 |
| 125 | 194 | 95 | 16 | 8.58 |
| 150 | 220 | 115 | 19 | 13.20 |
| 200 | 275 | 140 | 29 | 18.10 |
| 250 | 330 | 190 | 29 | 24.60 |
| 300 | 380 | 218 | 38 | 37.30 |
| 350 | 440 | 265 | 41 | 71.60 |
| 400 | 490 | 306 | 51 | 76.35 |
| 450 | 540 | 358 | 51 | 81.00 |
| 500 | 596 | 408 | 61 | 88.60 |
The description/sizes may be different with goods, please check with us when order.
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