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Help CenterZhibang Valve Pneumatic Quick Closing Valve DN65 PN1.6-6.4MPa Cast Steel Flanged Dual Acting Cylinder for Shipboard Piping
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Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016, is a professional manufacturer specializing in industrial valves. Our Zhibang Valve Pneumatic Quick Closing Valve DN65 PN1.6-6.4MPa Cast Steel Flanged Dual Acting Cylinder for Shipboard Piping is designed to provide reliable and rapid shut-off in critical shipboard piping systems. With a robust cast steel body and a dual-acting pneumatic cylinder, this valve ensures fast response and long service life, meeting the demanding needs of marine environments. Our commitment to quality is backed by ISO9001 certification, guaranteeing consistent manufacturing excellence.
This pneumatic quick closing valve is engineered for emergency shut-off applications where every second counts. The dual-acting cylinder design allows for positive opening and closing, ensuring fail-safe operation. Key features include:
- Fast Actuation: Pneumatic operation enables rapid closing in less than 2 seconds (depending on air supply pressure), minimizing potential damage in emergency scenarios.
- Dual Acting Cylinder: Provides controlled movement in both directions, eliminating the need for springs and offering consistent performance.
- Flanged Connections: Standard flanged ends (EN1092, ANSI, or JIS available upon request) facilitate easy installation and maintenance in shipboard piping systems.
- Cast Steel Body: High-strength cast steel construction (WCB or equivalent) ensures durability and resistance to corrosion in marine environments.
- Wide Pressure Range: Suitable for working pressures from PN1.6 to PN6.4MPa, covering a broad spectrum of shipboard applications.
- Compact Design: Space-saving profile ideal for confined areas on ships.
| Nominal Diameter | DN65 (2.5") |
| Pressure Rating | PN1.6 - PN6.4MPa (Class 150 - 300) |
| Body Material | Cast Steel (WCB / LCB / WC6 optional) |
| Actuator Type | Dual Acting Pneumatic Cylinder |
| Operating Medium | Compressed Air (4-8 bar) |
| Flange Standard | EN1092, ANSI B16.5, JIS B2220 (customizable) |
| Seal Material | PTFE / NBR / Viton (optional) |
| Application | Shipboard piping systems (fuel, water, ballast, etc.) |
Technical Advantages: The dual-acting cylinder eliminates the need for return springs, reducing maintenance and improving reliability. The valve is designed for quick closing under emergency conditions, and can be integrated with remote control systems. The cast steel body is treated with anti-corrosion coating for marine environments. Our valves are tested for 100% leak-tightness before shipment.
Benefits for Customers:
- Enhanced safety: Rapid closure prevents spills and system damage.
- Reduced downtime: Long service life and easy maintenance save operational costs.
- Customizable options: Available with different flange standards, seal materials, and actuator accessories (solenoid valves, limit switches, positioners).
- Global compatibility: Designed to meet international shipbuilding specifications.
Shanghai Zhibang Valve Manufacture Co., Ltd. has been serving global customers since 2016, with an annual export value of US$1 million to US$1.5 million. Our products are exported to North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, Central America, Northern Europe, Southern Europe, and South Asia. We are an ISO9001 certified manufacturer, ensuring consistent quality control. Our experienced team provides technical support and after-sales service. With a strong presence in domestic and international markets, we are committed to delivering reliable valve solutions for shipboard applications. Contact us today for a quotation or technical consultation.
Frequently Asked Questions (FAQ)
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What is the typical closing time for this valve?
Closing time depends on air supply pressure and line size. Under standard conditions (5-6 bar), the valve closes in under 2 seconds. For precise timing, please provide your system specifications. -
Can this valve be used for both on/off and emergency shut-off?
Yes, it is designed for both normal on/off service and emergency quick closing. The dual-acting cylinder allows frequent operation without spring fatigue. -
What flange standards are available?
We offer EN1092 (PN10/16/25/40), ANSI B16.5 (Class 150/300), and JIS B2220 (10K/20K). Other standards can be customized upon request. -
Is the valve suitable for seawater or corrosive fluids?
The standard cast steel body is suitable for fresh water, fuel oil, and compressed air. For seawater or corrosive media, we recommend optional stainless steel trim or special coatings. Contact our engineers for material selection. -
What is the temperature range of the valve?
Standard design temperature range is -20°C to +80°C for the pneumatic actuator. Higher temperature options (up to 200°C) are available with special seals and actuator materials. -
Do you provide solenoid valves and limit switches?
Yes, we can supply matching solenoid valves (24V DC, 220V AC, etc.) and limit switch boxes (Inductive or mechanical) as accessories. These are optional add-ons. -
How is the valve tested before shipment?
Each valve undergoes 100% shell test (1.5x rated pressure) and seat leak test (1.1x rated pressure). The pneumatic actuator is tested for stroke and sealing. Test reports are provided upon request. -
Can I get a sample for trial?
Yes, sample orders are accepted. Please contact our sales team for lead time and pricing. We can also provide technical drawings for approval.
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