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Home > Industrial Equipment & Components > Valve > Check Valve > Cast Steel Marine Globe Check Valve PN4.0MPa DN100 Flanged Connection for Marine Pump Systems
Cast Steel Marine Globe Check Valve PN4.0MPa DN100 Flanged Connection for Marine Pump Systems
Product Spotlights
High-quality cast steel marine globe check valve with PN4.0MPa and DN100 flanged connection, ISO9001 certified. Designed for reliable backflow prevention in pump systems. Compact, low pressure drop, and easy maintenance. Available with custom trims for seawater. Trusted globally.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Cast Steel
Application:
Other, Marine Pump Systems
Standard:
Other, ISO9001
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Cast Steel
Application
Other, Marine Pump Systems
Standard
Other, ISO9001
Function
Other, Prevent Backflow
Pressure Rating
PN4.0MPa
Nominal Diameter
DN100
Connection Type
Flanged
Valve Type
Globe Check Valve
Brand
Shanghai Zhibang
Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016 and ISO9001 certified, proudly presents our Cast Steel Marine Globe Check Valve PN4.0MPa DN100 Flanged Connection. Designed specifically for the demanding environments of marine pump systems, this valve ensures reliable non-return operation, preventing reverse flow and protecting critical equipment. With over US$1 million in annual export value and global market presence, our valves are trusted by shipbuilders and offshore operations worldwide.
Key Features & Technical Specifications
- Durable Cast Steel Body – Withstands high pressure and corrosive marine conditions, offering long service life.
- PN4.0MPa Pressure Rating – Suitable for medium-pressure hydraulic systems in marine applications.
- DN100 Nominal Diameter – Ideal for main pipeline connections in pump discharge systems.
- Flanged End Connection – Easy installation and maintenance, compatible with standard marine pipe flanges.
- Globe Check Valve Design – Combines the sealing performance of a globe valve with automatic check functionality.
- Bi-Directional Seating – Reliable sealing even under low differential pressure conditions.
- Compact and Lightweight – Saves space in confined engine rooms and pump compartments.
| Parameter | Value |
|---|---|
| Body Material | WCB Cast Steel (optional CF8M) |
| Pressure Rating | PN4.0MPa (Class 300 equivalent) |
| Nominal Diameter | DN100 (4 inches) |
| Connection | Flanged (RF or FF, customizable) |
| Temperature Range | -20°C to +200°C |
| Applicable Media | Fresh water, sea water, oil, and other non-corrosive fluids |
| Test Pressure (Shell) | 6.0MPa |
| Test Pressure (Seat) | 4.4MPa |
Benefits for Marine Pump Systems
- Eliminates Backflow Risk – Protects pumps from reverse rotation and water hammer damage.
- Low Pressure Drop – Streamlined flow passage minimizes energy loss.
- Easy Maintenance – Top-entry design allows quick inspection and repair without removing the valve from the line.
- Corrosion Resistance – Optional internal epoxy coating or stainless steel trim for seawater applications.
- Compliance with Marine Standards – Meets requirements of classification societies such as CCS, ABS, DNV (available upon request).
Trust & Reliability
Shanghai Zhibang Valve Manufacture Co., Ltd. has been dedicated to valve production since 2016, exporting over US$1 million annually to more than 15 markets worldwide including North America, South America, Europe, and Southeast Asia. Every valve is manufactured under ISO9001 quality management system, undergoes hydraulic and pneumatic testing, and is individually marked with traceability codes. Our marine check valves are widely used in pump discharge lines, ballast systems, and cooling water circuits on vessels, offshore platforms, and shipyards. Contact us today for a quote or technical support – we offer customized options for special materials and pressure ratings to meet your exact requirements.
Frequently Asked Questions (FAQ)
-
Q: Is this valve suitable for seawater service?
A: Yes, the standard cast steel body is suitable for freshwater and oil. For seawater, we offer optional stainless steel trim or internal epoxy coating. Please specify your media when ordering. -
Q: What is the difference between a globe check valve and a swing check valve?
A: A globe check valve uses a guided disc that moves perpendicular to the seat, providing tighter sealing and less noise compared to swing check valves. It is ideal for higher pressure applications like pump discharge systems. -
Q: Can the valve be installed vertically or horizontally?
A: Our globe check valve can be installed in both horizontal and vertical pipelines. For vertical installations with upward flow, the valve works perfectly. For downward flow, a spring-loaded version is recommended (available upon request). -
Q: What flange standard does this valve comply with?
A: The standard flanges are in accordance with GB/T 9113 (PN series) and can also be manufactured to DIN, ANSI, or JIS standards as per customer requirements. -
Q: Is the valve certified for marine use?
A: Our valves are manufactured under ISO9001 and can be supplied with certificates from classification societies (CCS, ABS, DNV) upon request. Please consult our sales team for specific certification needs. -
Q: What is the lead time for DN100 flanged check valves?
A: Standard DN100 valves are typically in stock and can be shipped within 7-15 working days. Customized versions may require 20-30 working days depending on the specifications. -
Q: How do I ensure the correct pressure rating for my system?
A: PN4.0MPa corresponds to a nominal pressure of 4.0 MPa (approx. 580 psi). If your system operating pressure exceeds 3.2 MPa, please consider a higher rating or consult our engineers for selection.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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