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Help CenterJIS Standard Marine Globe Valve OEM With PTFE Seat, Full Bore Design, 1/2" to 12"
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Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our JIS Standard Marine Globe Valve with PTFE Seat, designed for demanding marine and offshore applications. Engineered with a full bore design and available in sizes from 1/2" to 12", this valve delivers reliable shut-off and flow control under high pressure. As a professional manufacturer established in 2016, we combine over 7 years of expertise with ISO9001 certified quality management to produce valves that meet the rigorous standards of the global shipping industry.
Our globe valve features a PTFE seat that provides excellent chemical resistance, low friction, and a tight seal even at elevated temperatures. The full bore design minimizes pressure drop and ensures unrestricted flow, making it ideal for fuel oil, cooling water, ballast, and other shipboard systems. With OEM capability, we can customize the valve to your exact specifications – including material, pressure rating, and connection type – to fit your unique system requirements.
Key Features & Technical Specifications
- JIS Compliant: Manufactured in accordance with JIS B2001, B2011, and other relevant Japanese Industrial Standards, ensuring compatibility with Japanese-designed marine systems.
- Full Bore (Full Port) Design: Valve bore diameter matches the pipe inner diameter, reducing turbulence and erosion. This design offers up to 30% lower pressure drop compared to reduced port valves.
- PTFE Seat: Offers excellent corrosion resistance against seawater, chemicals, and hydrocarbons. The seat has a low coefficient of friction, requiring lower operating torque and extending valve service life.
- Robust Body Construction: Available in cast iron (FC200), ductile iron (FCD450), cast steel (WCB), or stainless steel (CF8/CF8M). All castings undergo hydrostatic testing and X-ray inspection for quality assurance.
- Reliable Stem Seal: Features PTFE packing rings with a lantern ring option for leak-free operation. The stem is made of stainless steel (13Cr or 304) and polished to a fine surface finish.
- Easy Maintenance: The bonnet is bolted and gasketed for quick disassembly. Seat rings are replaceable, and the valve can be serviced in-line without removing the body from the pipeline.
- Wide Range of Sizes: From 1/2" (DN15) to 12" (DN300), with pressure ratings from JIS 10K to JIS 20K (class 150 to class 300 equivalent).
Technical Data Table
| Parameter | Specification |
|---|---|
| Size Range | 1/2" – 12" (DN15 – DN300) |
| Pressure Rating | JIS 10K (1.0 MPa) / JIS 20K (2.0 MPa) |
| Working Temperature | -20°C to +120°C (standard PTFE); up to 200°C with reinforced PTFE |
| Body Material Options | Cast Iron (FC200), Ductile Iron (FCD450), Cast Steel (WCB), Stainless Steel (CF8/CF8M) |
| Trim Material | 13Cr / 304 / 316 Stainless Steel (disc and seat ring) |
| End Connection | Flanged (JIS B2210 10K/20K) or Threaded (BSP/NPT) |
| Design Standard | JIS B2001, B2011, B2031, and others |
| Test Pressure | Shell: 1.5x rated pressure; Seat: 1.1x rated pressure (hydrostatic) |
| Fire Safe Design | Available as option (API 607 / BS 6755 certified) |
Why Choose Our JIS Standard Marine Globe Valve?
- Superior Sealing Performance: PTFE seat provides bubble-tight shut-off against liquids and gases, meeting Class VI shut-off requirements.
- Reduced Maintenance Costs: The self-lubricating nature of PTFE reduces wear on the seat and disc, extending valve life by up to 50% compared to metal-seated valves in similar services.
- OEM Flexibility: We can produce valves with your brand name, custom color scheme, special packing, and even non-standard flange drilling patterns upon request.
- Global Compliance: Our valves meet JIS standards and also comply with common international codes such as ASME B16.34 and BS 1873 (adaptable).
- Stringent Quality Control: Every valve is tested under our ISO9001:2015 quality system. Routine tests include hydrostatic shell test, seat leakage test, and torque verification.
Since our founding in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. has exported over US$1 million to 1.5 million worth of valves annually to markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our products are trusted by shipbuilders, offshore platform operators, and marine maintenance companies worldwide. With ISO9001 certification and a team of experienced engineers, we ensure that each valve delivers consistent performance in the harshest marine environments.
We invite you to contact us for a detailed quotation, technical drawing, or sample request. Our OEM service allows you to incorporate your own branding while benefiting from our manufacturing expertise. Whether you need a single valve for a repair or a bulk order for a new vessel, Shanghai Zhibang is your reliable partner for marine globe valves.
Frequently Asked Questions (FAQ)
1. What is the difference between a JIS globe valve and an ANSI globe valve?
JIS globe valves follow Japanese Industrial Standards, which define different flange dimensions, pressure ratings, and face-to-face lengths compared to ANSI/ASME standards. Our valves are specifically designed for JIS piping systems, but we can also produce ANSI-compatible versions upon request.
2. Why choose a full bore design for a globe valve?
Full bore (full port) globe valves minimize flow resistance and pressure drop. In marine systems where pumping efficiency is critical, a full bore design reduces energy consumption and prevents cavitation. It also allows easy passage of pipe cleaning pigs.
3. Is the PTFE seat suitable for high-temperature applications?
Standard PTFE is rated for up to 120°C (250°F). For higher temperatures (up to 200°C), we offer reinforced PTFE (e.g., 25% carbon-filled or glass-filled) which maintains sealing integrity. For extreme temperatures above 200°C, a metal seat option is available.
4. Can I order a valve with a different material for the body?
Yes, we offer multiple body materials: cast iron, ductile iron, cast steel, and stainless steel (304/316). You can specify the required material based on the fluid and environmental conditions. Our OEM service also allows you to choose non-standard alloys.
5. What is the typical lead time for a standard size (2") valve?
For standard JIS 10K valves, our lead time is approximately 15-20 working days after order confirmation. Larger or non-standard sizes may require 25-30 days. We also maintain a small stock of popular sizes for urgent needs – please inquire.
6. Do you provide certificates of origin and material test reports?
Yes, we can provide ISO9001 certificate, certificate of origin, material test reports (MTR), hydrostatic test certificates, and pressure test reports as required. We also support third-party inspection (e.g., DNV, BV, Lloyd’s) at an additional cost.
7. How does the PTFE seat compare to a metal seat in terms of corrosion resistance?
PTFE is practically inert to most chemicals and seawater, offering superior corrosion resistance compared to metal seats. However, metal seats (stellite or 316) are better for high-temperature, high-pressure, or abrasive services. Our design allows easy interchangeability between seat types.
8. What is your warranty policy?
We offer a 12-month warranty from the date of shipment against manufacturing defects. Defective parts will be replaced free of charge (excluding shipping). Extended warranty options are available for bulk orders.
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