CB T3591-94 Oil Tanker Gate Valve – Heavy-Duty Flow Control for Marine Tanker Applications
Product Overview
The CB T3591-94 Oil Tanker Gate Valve is a high-performance valve specifically engineered for oil tanker vessels and marine hydrocarbon handling systems. Constructed with nodular cast iron body, cast steel disc, and aluminum bronze stem with stainless steel sealing, this 1.0 MPa-rated valve ensures reliable operation in seawater, freshwater, and oil services. With sizes from DN80 to DN400, it provides bubble-tight shutoff and full bore flow for efficient tanker operations, shipbuilding, and vessel repair applications.
Key Features & Benefits
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✅ Oil Tanker Specific Design – Engineered for marine hydrocarbon service
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✅ Full Bore Construction – Minimal pressure drop for efficient flow
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✅ Nodular Cast Iron Body – Superior strength and impact resistance
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✅ Corrosion-Resistant Trim – Aluminum bronze stem with stainless steel sealing
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✅ 1.0 MPa Pressure Rating – Suitable for tanker piping systems
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✅ Multiple Size Range – DN80 to DN400 for various applications
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✅ Custom Material Options – SS304, SS316L available upon request
Material Composition
| Component | Standard Material | Premium Options |
|---|---|---|
| Body & Cover | Nodular Cast Iron | Ductile Iron, Cast Steel |
| Disc | Cast Steel | Stainless Steel 304/316 |
| Stem & Nut | Aluminum Bronze | Stainless Steel, Monel |
| Seal Ring | Stainless Steel | Enhanced corrosion-resistant alloys |
Technical Specifications
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Nominal Diameter: DN80-DN400
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Pressure Rating: 1.0 MPa
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Standard: CB T3591-94 (Chinese Marine Standard)
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Media: Crude Oil, Fuel Oil, Sea Water, Fresh Water
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Applications: Oil Tankers, Product Carriers, Offshore Terminals
Dimension Tables
Type A & Type B
| DN | L | H | D | D1 | D2 | d0 | b | Th. | n | Bolt |
|—-|—|—|—|—|—|—|—|—|—|—|——|
| 80 | 220 | 440 | 375 | 170 | 138 | 118 | 15 | 16 | 8 | M14 |
| 100 | 230 | 470 | 400 | 190 | 158 | 138 | – | – | – | – |
| 125 | 245 | 515 | 445 | 215 | 183 | 164 | – | 10 | – | – |
| 150 | 260 | 560 | 470 | 240 | 208 | 190 | – | 12 | – | – |
Type AS & Type BS
| DN | L | H | D | D1 | D2 | d0 | b | Th. | n | Bolt |
|—-|—|—|—|—|—|—|—|—|—|—|——|
| 80 | 203 | 440 | 375 | 200 | 160 | 133 | 18 | 22 | 8 | M16 |
| 100 | 229 | 470 | 400 | 220 | 180 | 158 | – | 24 | – | – |
| 125 | 254 | 515 | 445 | 250 | 210 | 184 | – | 26 | – | – |
The description/sizes may be different with goods, please check with us when order.
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