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Help CenterJIS F7301 Marine Ball Valve With Lock for Offshore Platform Piping Systems
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As a specialized manufacturer of industrial valves with a strong presence in global marine and offshore markets, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our JIS F7301 Marine Ball Valve with Lock. Engineered specifically for the demanding environments of offshore platform piping systems, this valve combines the reliability of Japanese Industrial Standards with enhanced safety features to meet the rigorous requirements of marine applications. Our commitment to quality, backed by ISO9001 certification, ensures that each valve delivers dependable performance, safeguarding critical fluid control processes against accidental operation in challenging offshore conditions.
Core Features and Technical Advantages:
- JIS F7301 Compliance: Manufactured in strict adherence to Japanese Industrial Standard F7301 for ship piping, guaranteeing compatibility and performance recognized in marine industries worldwide.
- Integrated Locking Mechanism: A crucial safety feature for offshore platforms. The valve is designed with a padlockable handle or a dedicated locking device to prevent unauthorized or accidental operation, ensuring process isolation and personnel safety.
- Robust Construction for Marine Environment: Constructed from materials selected for corrosion resistance in saltwater atmospheres, such as cast steel with suitable coatings, stainless steel (CF8M/316), or bronze. The design considers factors like vibration and dynamic loads common on offshore structures.
- Bubble-Tight Shut-off: Features precision-machined ball and seat (options include PTFE, reinforced PTFE, or metal) to provide reliable, bubble-tight sealing, minimizing leakage risks in sensitive offshore piping.
- Full Port Design (Optional): Available in full port (full bore) configuration to minimize pressure drop and allow for pigging or inspection tool passage in pipelines, a common requirement in offshore systems.
- Fire-Safe Design (Available): Optional fire-safe models are available, constructed and tested to API 607/API 6FA or similar standards, providing an extra layer of safety for hydrocarbon service.
- Versatile End Connections: Supplied with flanged ends (JIS, ANSI, DIN standards), threaded (NPT, BSP), or butt-weld ends to seamlessly integrate into existing offshore platform piping networks.
- Extended Service Life: Stem sealing with multiple lip seals or gland packing ensures long-term integrity. Internal components are designed for low torque operation and high cycle life, reducing maintenance frequency.
Technical Specifications:
| Parameter | Specification / Option |
|---|---|
| Design Standard | JIS F7301 |
| Pressure Rating | PN10, PN16, PN25, PN40 (Customizable) |
| Size Range (Nominal Diameter) | DN15 (1/2") to DN300 (12") |
| Body Material | WCB (Cast Carbon Steel), CF8 (304 SS), CF8M (316 SS), C95800 (Ni-Al Bronze) |
| Ball Material | Chrome Plated Steel, 304/316 SS, Bronze |
| Seat Material | PTFE, Reinforced PTFE (RPTFE), PEEK, Metal (Stellite) |
| Stem Material | SS410, SS304, SS316, 17-4PH |
| Temperature Range | Standard: -20°C to +150°C (PTFE seat). Extended ranges available. |
| Locking Type | Padlockable Lever Handle, Locking Device with Key, Tamper-proof Handle |
| Operation | Manual Lever, Gear Operator (for larger sizes) |
Benefits for Your Offshore Operations:
- Enhanced Safety Compliance: The locking feature directly addresses offshore safety protocols (e.g., SIMOPS, isolation procedures), helping you meet stringent platform safety regulations.
- Reduced Operational Risk: Prevents accidental valve actuation which could lead to process upsets, product loss, or hazardous situations, protecting both assets and personnel.
- Improved System Reliability: JIS F7301 compliance and marine-grade materials ensure the valve performs reliably under the combined stresses of corrosion, pressure, and platform motion.
- Global Supply and Support: With annual exports valued between US$1 Million and US$1.5 Million and main markets spanning from North America and Europe to Southeast Asia and Africa, we have the experience and logistics (shipping from Shanghai, Guangzhou, Hong Kong, Beijing) to support your projects worldwide.
- Cost-Effective Maintenance: Durable construction and accessible design lead to lower total cost of ownership through extended service intervals and easier on-platform maintenance.
Trust in a product born from nearly a decade of manufacturing expertise since our establishment in 2016. Our ISO9001 certified quality management system governs every stage of production, from material sourcing to final testing. This JIS F7301 Marine Ball Valve with Lock is not just a component; it's a commitment to safety and reliability for your offshore platform's critical piping systems. We invite project engineers, procurement managers, and marine contractors to contact us for detailed specifications, competitive quotations, and to discuss how our valves can be tailored to your specific platform requirements. Let's ensure the integrity of your offshore operations together.
Frequently Asked Questions (FAQ):
Q1: What is the main purpose of the lock on this marine ball valve?
A1: The primary purpose is safety isolation. On an offshore platform, it is critical to prevent unauthorized or accidental operation of valves controlling hydrocarbons, water, or other utilities. The lock allows personnel to physically secure the valve in the open or closed position, complying with lock-out/tag-out (LOTO) procedures and ensuring process safety during maintenance or specific operational modes.
Q2: Can this valve be supplied with flanges matching ANSI standards instead of JIS?
A2: Yes, customization is a key strength. While the valve body is designed to JIS F7301, we commonly supply it with flanges drilled to ANSI (ASME B16.5), DIN, or other international standards upon request. Please specify your required flange standard and pressure class during inquiry.
Q3: What materials do you recommend for seawater service on an offshore platform?
A3: For seawater (ballast, cooling, firewater), we typically recommend super duplex stainless steel (e.g., F55/F53) or nickel-aluminum bronze (C95800) for superior resistance to chloride-induced pitting and crevice corrosion. Austenitic stainless steel 316L (CF3M) is also an option for less aggressive conditions.
Q4: Is this valve suitable for hydrocarbon services like crude oil or gas?
A4> Absolutely. For hydrocarbon services, we recommend the fire-safe design option with metal seated or fire-tested soft seats (to API 607/6FA). Material selection (often WCB body with appropriate trim) would be based on the specific fluid composition, pressure, and temperature.
Q5: Do you provide documentation like material test certificates (MTC) and inspection reports?
A5: Yes, as an ISO9001 certified manufacturer, we provide full traceability and documentation. Material Test Certificates (MTCs) 3.1 or 3.2, along with factory test reports (pressure test, seat leakage test), are standard deliverables. Additional certification like NORSOK or specific client formats can be arranged.
Q6: What is the lead time for an order of these valves?
A6: Lead time depends on the order quantity, material specifications, and any special testing requirements. For standard configurations in common materials, we typically maintain stock or offer production within 4-8 weeks. We provide a firm lead time with each quotation.
Q7: Can the valve be equipped with an actuator for remote operation?
A7> Yes, we can supply the valve prepared for the mounting of pneumatic (double-acting or spring-return), electric, or hydraulic actuators. The locking feature can often be integrated with the actuator or its mounting bracket for secured automated operation.
Q8: How does the JIS F7301 standard benefit my project compared to other standards?
A8: JIS F7301 is a marine-specific standard widely recognized and often specified in shipbuilding and offshore projects, particularly in Asia. It ensures the valve design, materials, and testing are appropriate for marine environmental conditions. Using a JIS-compliant valve can simplify approval processes with engineering contractors or classification societies familiar with the standard.
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