CBM 1081-81 Cast Iron Globe Valve – Reliable Flow Control for Marine Oil, Water & Steam Systems
Product Overview
The CBM 1081-81 Cast Iron Globe Valve is a precision-engineered flow control valve designed for marine applications involving freshwater, lubricating oil, fuel oil, and steam services up to 250°C. Manufactured with a robust HT200 cast iron body and corrosion-resistant ZQSn10-2 bronze disc with QA19-2 aluminum bronze stem, this 1.0 MPa-rated valve ensures reliable performance and durability in demanding shipboard environments. Compliant with Chinese marine standards and accepting major IACS certifications, it is ideal for both shipbuilding and vessel repair operations.
Key Features & Benefits
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✅ Multi-Fluid Compatibility – Suitable for water, oil, and steam (≤250°C)
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✅ 1.0 MPa Pressure Rating – Reliable performance in marine pressure systems
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✅ Durable Material Construction – HT200 cast iron with bronze trim for corrosion resistance
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✅ Precision Flow Control – Excellent throttling capability for accurate regulation
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✅ IACS Certification Ready – DNV, KR, RINA, BV, CCS, LR, ABS, NK approvals available
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✅ Rising Stem Design – Clear visual position indication
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✅ Bubble-Tight Sealing – Positive shut-off for critical applications
Material Composition
| Component | Material | Properties |
|---|---|---|
| Body & Cover | HT200 Cast Iron | High strength and durability |
| Disc | ZQSn10-2 (Tin Bronze) | Excellent corrosion and wear resistance |
| Stem | QA19-2 (Aluminum Bronze) | High tensile strength and corrosion resistance |
Technical Specifications
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Nominal Diameter: DN50-DN250
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Pressure Rating: 1.0 MPa
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Temperature Rating: Up to 250°C
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Standard: CBM 1081-81 (Chinese Marine Standard)
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Media: Fresh Water, Lubricating Oil, Fuel Oil, Steam
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Applications: Shipbuilding, Ship Repair, Marine Systems
Dimension Table
| DN (mm) | L | H | D | C | g | h | t | f | A | B |
|———|—|—|—|—|—|—|—|—|—|—|—|
| 50 | 220 | 120 | 288 | 378 | 155 | 120 | 100 | 19 | 20 | 2 |
| 65 | 270 | 130 | 310 | 407 | 175 | 140 | 120 | 22 | – | – |
| 80 | 300 | 140 | 345 | 444 | 185 | 150 | 130 | – | – | – |
| 100 | 350 | 160 | 374 | 485 | 210 | 175 | 155 | 24 | – | – |
| 125 | 420 | 180 | 426 | 546 | 250 | 210 | 185 | 23 | – | – |
| 150 | 490 | 205 | 487 | 520 | 280 | 240 | 215 | 26 | – | – |
| 200 | 570 | 230 | 599 | 766 | 330 | 290 | 265 | – | – | – |
| 250 | 740 | 290 | 750 | 907 | 400 | 355 | 325 | 25 | 30 | – |
The description/sizes may be different with goods, please check with us when order.
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