JIS F7381 Marine Bronze Cock Valve – Precision Flow Control for Marine & Offshore Systems
Product Overview
The JIS F7381 Marine Bronze Cock Valve is a high-performance multi-directional flow control valve designed for exacting marine applications. Engineered to JIS F7400 standards with JIS B2220 flange compatibility, this 5K-rated bronze valve ensures reliable operation in shipbuilding, vessel repair, and offshore platform systems. Available in two-way, L-type, and T-type three-way configurations, it provides versatile flow direction control for seawater, fuel, oil, and air systems. Its corrosion-resistant bronze construction and precision machining make it ideal for critical marine applications where reliability is paramount.
Key Features & Benefits
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✅ JIS F7381 Certified – Complies with Japanese marine valve standards
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✅ Multi-Port Configurations – Two-way, L-type and T-type three-way designs
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✅ Bronze Construction – Superior corrosion resistance in marine environments
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✅ 5K Pressure Rating – Optimal for medium-pressure marine applications
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✅ JIS B2220 Flange Compatibility – Seamless integration with marine piping
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✅ Multi-Material Options – Customizable components for specific applications
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✅ Non-Asbestos Packing – Environmentally safe and reliable sealing
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✅ OEM & Customization Support – Accepts custom branding and specifications
Material Composition
| Component | Material Options | Advantage |
|---|---|---|
| Body & Plug | Bronze | Excellent seawater corrosion resistance |
| Packing Gland & Seat Ring | Bronze/Brass | Durable sealing surfaces |
| Handle | Steel/Brass | Robust operation and corrosion resistance |
| Stud Bolt & Hexagon Nut | Brass/Stainless Steel | Secure fastening and corrosion protection |
| Packing | Non-Asbestos | Safe and reliable stem sealing |
Technical Specifications
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Nominal Diameter: DN25-DN65
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Pressure Rating: 5K
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Standards: JIS F7381, JIS B2220 Flange
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Configurations: Two-Way, L-Type Three-Way, T-Type Three-Way
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Media: Sea Water, Fuel, Oil, Air, Marine Fluids
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Applications: Shipbuilding, Ship Repair, Offshore Platforms
Dimension Table
Two-Way Configuration
| IMPA Code | Size | L | D | C | No. | h |
|---|---|---|---|---|---|---|
| 751601-02 | 25 | 130 | 95 | 75 | 4 | 12 |
| 751601-03 | 32 | 160 | 115 | 90 | 4 | 15 |
| 751601-04 | 40 | 170 | 120 | 95 | 4 | 15 |
| 751601-05 | 50 | 190 | 130 | 105 | 4 | 15 |
| 751601-06 | 65 | 220 | 155 | 130 | 4 | 15 |
L-Type Three-Way Configuration
| IMPA Code | Size | L | D | C | No. | h |
|---|---|---|---|---|---|---|
| 751606-07 | 25 | 130 | 95 | 75 | 4 | 12 |
| 751606-08 | 32 | 160 | 115 | 90 | 4 | 15 |
| 751606-09 | 40 | 170 | 120 | 95 | 4 | 15 |
| 751606-10 | 50 | 190 | 130 | 105 | 4 | 15 |
| 751606-11 | 65 | 220 | 155 | 130 | 4 | 15 |
T-Type Three-Way Configuration
| IMPA Code | Size | L | D | C | No. | h |
|---|---|---|---|---|---|---|
| 751611-12 | 25 | 130 | 95 | 75 | 4 | 12 |
| 751611-13 | 32 | 160 | 115 | 90 | 4 | 15 |
| 751611-14 | 40 | 170 | 120 | 95 | 4 | 15 |
| 751611-15 | 50 | 190 | 130 | 105 | 4 | 15 |
| 751611-16 | 65 | 220 | 155 | 130 | 4 | 15 |
The description/sizes may be different with goods, please check with us when order.
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