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Home > Industrial Equipment & Components > Valve > Globe Valve > Zhibang JIS F7305 Marine Stop Valve, 9 Classification Societies Certified, Cast Iron, 5K/10K DN50-DN200

Zhibang JIS F7305 Marine Stop Valve, 9 Classification Societies Certified, Cast Iron, 5K/10K DN50-DN200

Zhibang JIS F7305 Marine Stop Valve, 9 Classification Societies Certified, Cast Iron, 5K/10K DN50-DN200 thumbnail-3

Zhibang JIS F7305 Marine Stop Valve, 9 Classification Societies Certified, Cast Iron, 5K/10K DN50-DN200 thumbnail-4

Zhibang JIS F7305 Marine Stop Valve, 9 Classification Societies Certified, Cast Iron, 5K/10K DN50-DN200 thumbnail-5

Zhibang JIS F7305 Marine Stop Valve, 9 Classification Societies Certified, Cast Iron, 5K/10K DN50-DN200 photo-1

Zhibang JIS F7305 Marine Stop Valve, 9 Classification Societies Certified, Cast Iron, 5K/10K DN50-DN200 photo-2

Zhibang JIS F7305 Marine Stop Valve, 9 Classification Societies Certified, Cast Iron, 5K/10K DN50-DN200 photo-3

Zhibang JIS F7305 Marine Stop Valve, 9 Classification Societies Certified, Cast Iron, 5K/10K DN50-DN200 photo-4

Zhibang JIS F7305 Marine Stop Valve, 9 Classification Societies Certified, Cast Iron, 5K/10K DN50-DN200 photo-5

Product Spotlights

Zhibang JIS F7305 Marine Stop Valve – factory-direct cast iron valve certified by 9 classification societies (CCS, DNV, ABS, etc.), ISO9001 quality, available in DN50-DN200 with 5K/10K ratings. Robust design, easy maintenance, global shipping from China. Cost-effective reliability for marine piping systems.

Negotiable MOQ: 1 Unit (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Cast Iron

Standard:

Other, JIS F7305

Application:

Other, Marine piping systems

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Shanghai Zhibang Valve Manufacture Co.,ltd

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
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Material Cast Iron

Standard Other, JIS F7305

Application Other, Marine piping systems

Pressure Rating 5K / 10K

Size Range DN50 - DN200

Certification ISO9001, 9 Classification Societies Certified

Connection Type Flanged (JIS Standard)

Design Type Stop Valve (Globe Valve)

Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents the Zhibang JIS F7305 Marine Stop Valve, a high-performance solution designed specifically for demanding marine environments. Manufactured since 2016 in our ISO9001-certified facility in Shanghai, China, these valves combine rigorous quality control with cost-effectiveness, serving customers across North America, Europe, Southeast Asia, Africa, and the Middle East. With an annual export value exceeding US$1 million, we ensure that every valve meets the stringent requirements of the maritime industry, backed by 9 Classification Society certifications for global reliability.

Our JIS F7305 Marine Stop Valve is engineered from premium cast iron, offering excellent corrosion resistance and durability under high-pressure seawater and steam applications. Available in pressure ratings of 5K and 10K, with sizes ranging from DN50 to DN200, these valves are ideal for ballast systems, cooling water lines, fuel oil systems, and other critical shipboard piping. Every unit undergoes strict testing to guarantee leak-free performance and long service life, making it a trusted choice for shipbuilders and marine operators worldwide.

Key Features & Technical Specifications

Compliance with JIS F7305 Standard: Full adherence to Japanese Industrial Standard for marine valves, ensuring interchangeability and compatibility with existing systems.
Multi-Pressure Capability: Available in 5K and 10K pressure classes, suitable for low to medium pressure applications in marine piping.
Wide Size Range: DN50, DN65, DN80, DN100, DN125, DN150, DN200 – covering common pipe diameters for shipboard installations.
Robust Cast Iron Body: High-strength gray cast iron (GG25 equivalent) with excellent machinability and resistance to seawater corrosion.
9 Classification Society Approvals: Certified by leading societies including CCS, DNV, ABS, LR, BV, NK, KR, RINA, and IRS – validatable upon request.
Reliable Shut-Off Design: Rising stem or non-rising stem option, with disc and seat made of stainless steel or bronze for tight sealing.
Flanged End Connections: JIS 10K/16K flanges per JIS B2210, easy to install and maintain.
ISO9001 Quality Management: Our production process is audited and certified to ISO9001, ensuring consistent quality from raw material to finished product.

Technical Data Table

Parameter	Value / Range
Standard	JIS F7305
Material	Cast Iron (Gray Iron, GG25)
Pressure Rating	5K / 10K
Size Range	DN50 – DN200 (2" – 8")
End Connection	Flanged per JIS B2210 (10K/16K)
Operating Temperature	-10°C to +200°C (depending on medium)
Disc / Seat Trim	Stainless Steel 304 / Bronze (optional)
Classification Societies	CCS, DNV, ABS, LR, BV, NK, KR, RINA, IRS (certificates available)

Advantages & Customer Benefits

Global Compliance: With 9 classification society approvals, our valves meet the strictest international marine standards, reducing your approval lead time.
Cost-Effective Quality: As a direct manufacturer with ISO9001 certification, we offer competitive pricing without compromising on performance.
Easy Maintenance: The design allows for quick replacement of disc and seat without removing the valve from the pipeline, saving downtime.
Versatile Applications: Suitable for seawater, fresh water, steam, oil, and gas media commonly found on ships and offshore platforms.
Reliable Supply Chain: Our Shanghai factory ensures timely delivery; we ship from Shanghai, Guangzhou, Hong Kong, or Beijing ports to any global destination.

At Shanghai Zhibang Valve Manufacture Co., Ltd., we have been delivering marine valves since 2016, with an annual export value of US$1–1.5 million. Our valves are trusted by shipyards and fleet operators in over 30 countries, including demanding markets in Eastern Europe, Southeast Asia, and Africa. Every Zhibang JIS F7305 Marine Stop Valve is backed by our ISO9001 quality system and factory-direct warranty. We invite you to experience the combination of precision engineering, certified reliability, and competitive pricing. Contact us today for a quote or sample order – your maritime operations deserve nothing less.

Frequently Asked Questions (FAQ)

What is the difference between 5K and 10K pressure rating?
The 5K rating (approx. 5 kg/cm²) is suitable for low-pressure systems, while 10K is for medium-pressure applications. Our valve can be ordered in either rating as per your piping design.
Are the 9 classification society certificates genuine and traceable?
Yes, each valve can be supplied with individual certificates from societies like CCS, DNV, ABS, LR, etc. We provide scanned copies upon order confirmation, and original documents are available on request.
Can these valves be used for steam applications?
Yes, they are suitable for saturated steam up to 200°C. For high-temperature steam, we recommend consulting our technical team for seat material upgrades.
What is the standard lead time for DN100 size?
For standard configurations, lead time is typically 15–25 working days. Urgent orders can be expedited with a small surcharge – please contact our sales team.
Do you offer custom flange drilling?
Standard flanges are per JIS B2210. Custom drilling (ANSI, DIN, GB) is available as an option – please specify when ordering.
What packing material is used for export?
Each valve is individually packed in a plywood crate or carton with foam lining, suitable for sea freight. Larger sizes are palletized or crated.
Is there a minimum order quantity (MOQ)?
Our MOQ is 2 pieces per size for standard models. For first-time trial orders, we can accept 1 piece – please discuss with our sales representative.
How do I verify the certification of your company?
Our ISO9001 certificate is publicly available on request. We also have a factory audit video and third-party inspection reports – we are happy to share them.