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Help CenterJIS F7305 Stainless Steel Globe Valve 304/316L, 10K Flanged, DN50-DN150, Bolted Bonnet, Rising Stem for Marine
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Shanghai Zhibang Valve Manufacture Co., Ltd. presents the JIS F7305 Stainless Steel Globe Valve – a precision-engineered solution designed for demanding marine applications. Manufactured to strict Japanese Industrial Standards (JIS), this valve combines robust construction with corrosion-resistant materials (304/316L) to deliver reliable performance in seawater systems, ballast lines, and other shipboard piping. With a bolted bonnet, rising stem, and 10K flanged ends, it ensures leak-tight operation under pressure. Our factory, established in 2016 and ISO9001 certified, has exported over USD 1 million annually to global markets, assuring quality and compliance.
This globe valve is ideal for flow regulation and isolation in marine, offshore, and industrial environments where durability and long service life are critical. Available in sizes DN50 to DN150, it offers excellent throttling characteristics and low pressure drop. The 304 or 316L stainless steel construction provides superior resistance to pitting, crevice corrosion, and stress corrosion cracking. Whether you need a valve for cooling water, fuel oil, or firefighting systems, this model delivers consistent performance.
Key Features & Technical Specifications
- JIS F7305 Design: Conforms to Japanese Industrial Standard for marine globe valves, ensuring interchangeability and compatibility with existing systems.
- Material Options: ASTM A351 CF8 (304) or CF8M (316L) – choose based on media corrosivity and temperature requirements.
- Pressure Rating: 10K (approx. 1.0 MPa / 150 psi) working pressure for reliable service in moderate-pressure marine systems.
- Bolted Bonnet: Facilitates easy in-line maintenance and inspection; reduces downtime during repairs.
- Rising Stem: Provides clear visual indication of valve position (open/closed) and helps prevent stem seizure.
- Flanged Ends: JIS B2220 10K flanges for secure, leak-free connections. Available with raised face or flat face per request.
- Applicable Standards: Designed and tested according to JIS B2002, JIS B2003, and manufacturer’s internal quality procedures.
- Temperature Range: -29°C to +200°C (for standard PTFE packing; optional graphite packing for higher temperatures).
- Applications: Marine seawater, freshwater, oil, air, and low-pressure steam systems.
| Parameter | Specification |
|---|---|
| Standard | JIS F7305 |
| Size Range | DN50 – DN150 (2” – 6”) |
| Pressure Class | 10K |
| Body Material | SS304 / SS316L (CF8 / CF8M) |
| Connection | JIS 10K Flanged (RF or FF) |
| Bonnet Type | Bolted Bonnet |
| Stem Type | Rising Stem, Outside Screw & Yoke (OS&Y) |
| Seat Material | Integral with body or optional Stellite overlay |
| Packing | PTFE / Graphite (customizable) |
| Operation | Handwheel (standard), gearbox or actuator optional |
Why Choose the JIS F7305 Globe Valve from Shanghai Zhibang?
- Marine-Grade Corrosion Resistance: 304/316L stainless steel withstands saltwater and harsh chemicals, reducing replacement frequency.
- Precision Machining: CNC-machined sealing surfaces ensure bubble-tight shut-off and smooth throttling.
- Long Service Life: Bolted bonnet design allows quick repacking without removing the valve from the line; rising stem prevents thread damage from external contaminants.
- Global Compliance: Meets JIS F7305 requirements for ship classification societies (e.g., NK, BV, ABS upon request).
- Customizable Options: Available with different trim materials, gearbox, electric actuator, and special coatings for extended durability.
- Quality Assurance: Every valve is pressure-tested at 1.5 times the rated pressure (shell test) and 1.1 times for seat leakage (hydrostatic test) per API 598.
Customer Benefits
By choosing this marine globe valve, shipyards and vessel operators gain a reliable component that reduces maintenance costs and improves safety. The rising stem gives operators a quick visual confirmation of valve status, while the flanged connection simplifies installation. With our competitive pricing and lead times (typically 15–30 working days), you can meet project deadlines without compromising quality.
Trust & Track Record
Since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. has supplied valves to over 15 markets worldwide. Our annual export value of USD 1–1.5 million reflects strong customer confidence. We hold ISO9001 certification for our manufacturing processes, ensuring consistent quality from raw material inspection to final testing. We ship from Shanghai, Guangzhou, Hong Kong, and Beijing ports – flexible logistics to meet your delivery needs. Contact our sales team for a quote, technical data sheet, or sample request. Let us be your trusted partner for marine valves.
Frequently Asked Questions (FAQ)
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Q: What is the difference between 304 and 316L material for this valve?
A: 304 is suitable for most freshwater and mild environments, while 316L offers superior resistance to chlorides and seawater. For direct marine exposure, we recommend 316L. -
Q: Can this valve be used for high-temperature steam?
A: Standard PTFE packing is rated up to 200°C. For higher temperature (up to 450°C), optional graphite packing is available – please specify when ordering. -
Q: What flange facing do you supply?
A: We supply raised face (RF) as standard. Flat face (FF) is available on request for connection to flat face flanges. -
Q: Do you provide test certificates?
A: Yes, we provide material certificates and hydrostatic/pneumatic test reports. Additional classification society inspection (e.g., Lloyd’s, DNV) can be arranged. -
Q: What is the minimum order quantity (MOQ)?
A: Our standard MOQ is 2 pieces per size/material, but we are flexible for sample orders. Please contact our sales team. -
Q: How long is the warranty?
A: We offer a 12-month warranty from the date of shipment against manufacturing defects. This covers workmanship and material faults under normal service conditions. -
Q: Can I get a gearbox or actuator instead of handwheel?
A: Yes, we can supply with bevel gearbox, pneumatic actuator, or electric actuator. Please provide your torque requirements for proper sizing. -
Q: Are spare parts available?
A: Yes, we stock spare parts such as stem packing, gaskets, and handwheels. We can also provide maintenance kits for long-term support.
For any further questions or to place an order, please contact us at +86-21-xxxxxxx or email sales@shanghaizhibangvalve.com. Our team is ready to assist you with technical support and competitive pricing.
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