CB/T 3476-92 Vertical Storm Valve – Marine Deck Mounted Check Valve for Storm Conditions
Overview
Our CB/T 3476-92 Vertical Storm Valve is a heavy-duty marine deck check valve specifically engineered for stormwater and sewage management in harsh marine environments. Manufactured to Chinese Ship Standard CB/T 3476-92 specifications, this vertical storm check valve provides reliable backflow prevention for seawater, freshwater, and sewage applications. With cast steel construction and bronze components, it offers exceptional durability and corrosion resistance for deck mounting and overboard discharge systems on vessels and offshore platforms.
Key Features & Benefits
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CB/T 3476-92 Standard Compliance: Precision-engineered to Chinese Ship Standard specifications
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Vertical Installation Design: Optimized for deck mounting and vertical piping configurations
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Multi-Fluid Compatibility: Suitable for seawater, freshwater, and sewage applications
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Storm-Proven Performance: Reliable operation in rough weather and storm conditions
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Cast Steel Construction: Body and cover in durable cast steel for marine environments
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Bronze Sealing Components: Cast tin bronze disc and tin brass plate for corrosion resistance
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0.1 MPa Pressure Rating: Designed for low-pressure drainage and discharge applications
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Custom Material Options: Special materials available upon customer request
Technical Specifications
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Design Standard: CB/T 3476-92
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Pressure Rating: 0.1 MPa (14.5 psi)
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Temperature Range: -20°C to 80°C
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Body Material: Cast Steel
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Cover Material: Cast Steel
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Disc Material: Cast Tin Bronze
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Plate Material: Tin Brass
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Nominal Diameter: DN50 to DN150 (2″ to 6″)
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Installation: Vertical Mounting
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Media: Sea Water, Fresh Water, Sewage, Drainage Water
Dimension Tables
Type A & Type B Dimensions:
| DN | H | H1 | L | L1 | D | D1 | D2 | b | d0 | n | Th. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50 | 210 | 170 | 135 | 90 | 135 | 103 | 84 | 13 | 15 | 6 | M14 |
| 65 | 240 | 200 | 142 | 110 | 155 | 123 | 104 | 14 | – | – | – |
| 80 | 260 | 220 | 155 | 120 | 170 | 138 | 118 | 8 | – | – | – |
| 100 | 280 | 250 | 172 | 130 | 190 | 158 | 138 | – | – | – | – |
| 125 | 330 | 270 | 195 | 150 | 215 | 183 | 164 | 10 | – | – | – |
| 150 | 360 | 310 | 213 | 165 | 240 | 208 | 194 | 12 | – | – | – |
Type AS & Type BS Dimensions:
| DN | H | H1 | L | L1 | D | D1 | D2 | b | d0 | n | Th. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50 | 210 | 170 | 135 | 90 | 140 | 110 | 90 | 16 | 14 | 4 | M12 |
| 65 | 240 | 200 | 142 | 110 | 160 | 130 | 110 | – | – | – | – |
| 80 | 260 | 220 | 155 | 120 | 190 | 150 | 128 | 18 | 18 | – | M16 |
| 100 | 280 | 250 | 172 | 130 | 210 | 170 | 148 | – | – | – | – |
| 125 | 330 | 270 | 195 | 150 | 240 | 200 | 178 | 20 | – | 8 | – |
| 150 | 360 | 310 | 213 | 165 | 265 | 225 | 202 | – | – | – | – |
The description/sizes may be different with goods, please check with us when order.
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