Marine Class 300 Straight Globe Check Valve – High-Pressure Flow Control for Demanding Marine Applications
Product Overview
The Marine Class 300 Straight Globe Check Valve is a premium-grade valve engineered for critical marine applications in shipbuilding, vessel repair, and offshore platforms. Constructed entirely from stainless steel, this high-pressure valve combines the precise flow control of a globe valve with the automatic backflow prevention of a check valve. With a Class 300 pressure rating and sizes from 15mm to 200mm, it delivers reliable performance in the most demanding marine environments while meeting international quality standards.
Key Features & Benefits
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✅ Class 300 Pressure Rating – Designed for high-pressure marine systems
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✅ Full Stainless Steel Construction – Superior corrosion resistance in seawater environments
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✅ Dual Function Design – Combines globe valve control with check valve protection
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✅ Straight Pattern Configuration – Optimal for horizontal and vertical piping
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✅ International Standard Compliance – Meets domestic and foreign marine standards
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✅ OEM Customization Available – Accepts custom branding and specifications
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✅ Professional Export Support – Experienced international shipping team
Material Composition
| Component | Material | Advantage |
|---|---|---|
| Body | Stainless Steel | Excellent corrosion resistance and durability |
| Internal Components | Stainless Steel | Complete corrosion protection |
| Sealing Elements | Premium Materials | Reliable leak-proof performance |
Technical Specifications
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Nominal Diameter: 15mm-200mm (½”-8″)
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Pressure Rating: Class 300
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Body Material: Stainless Steel
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Design: Straight Globe Check Pattern
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Applications: Shipbuilding, Ship Repair, Offshore Platforms
Dimension Table
| NPS | DN (mm) | L (mm) | D (mm) | T (mm) | G (mm) | C (mm) | n-φ | W (mm) | H (mm) |
|---|---|---|---|---|---|---|---|---|---|
| ½” | 15 | 152 | 95 | 15 | 35 | 66.5 | 4-15 | 125 | 190 |
| ¾” | 20 | 178 | 117 | 16 | 43 | 82.5 | 4-19 | 125 | 212 |
| 1″ | 25 | 203 | 124 | 18 | 51 | 89 | 4-19 | 160 | 231 |
| 1½” | 40 | 229 | 156 | 20.7 | 73 | 114.5 | 4-22 | 200 | 391 |
| 2″ | 50 | 267 | 165 | 22 | 92 | 127 | 8-19 | 200 | 406 |
| 2½” | 65 | 292 | 190 | 25 | 105 | 149 | 8-22 | 240 | 457 |
| 3″ | 80 | 318 | 210 | 29 | 127 | 168 | 8-22 | 280 | 470 |
| 4″ | 100 | 356 | 254 | 32 | 157 | 200 | 8-22 | 320 | 590 |
| 6″ | 150 | 444 | 318 | 37 | 216 | 270 | 12-22 | 500 | 711 |
| 8″ | 200 | 559 | 381 | 41 | 270 | 330 | 12-25 | 500 | 750 |
The description/sizes may be different with goods, please check with us when order.
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