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Home > Industrial Equipment & Components > Valve > Globe Valve > GB/T1855-1993 Compliant Marine Valve, Cast Iron Flanged Suction Stop Check Box

GB/T1855-1993 Compliant Marine Valve, Cast Iron Flanged Suction Stop Check Box

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Product Spotlights

GB/T1855-1993 compliant marine suction stop check valve in cast iron with flanged ends. Combines stop and check functions for space-saving, reliable backflow prevention in shipboard systems. ISO9001 certified manufacturing ensures quality. Customizable pressure ratings, flange standards, and coatings available for global project needs. Exported worldwide from major Chinese ports.

Negotiable MOQ: 10 Units (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Cast Iron

Application:

Other, Marine Piping Systems

Connection Type:

Flanged

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Shanghai Zhibang Valve Manufacture Co.,ltd

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

shanghai

Delivery Detail:

10 days

Product Details
Company Profile
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Material Cast Iron

Application Other, Marine Piping Systems

Connection Type Flanged

Valve Type Suction Stop Check Box

Standard Compliance GB/T1855-1993

Pressure Rating Available upon request

Size Range Customizable

Coating/Finish Optional protective coating

As a professional manufacturer established in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our GB/T1855-1993 Compliant Marine Valve, Cast Iron Flanged Suction Stop Check Box. This valve is engineered to meet the rigorous demands of marine applications, providing reliable, one-way flow control and backflow prevention in critical shipboard piping systems. Our extensive experience in exporting to global markets, including North America, Southeast Asia, and Europe, ensures this product is designed to international expectations for quality and durability.

This specialized valve is a cornerstone for safe and efficient marine operations. Its robust construction and adherence to the GB/T1855-1993 standard make it a trusted component for shipbuilders, repair yards, and marine equipment suppliers worldwide.

Key Features and Technical Advantages:

Robust Cast Iron Construction: The valve body is manufactured from high-grade cast iron, offering excellent resistance to corrosion in marine environments and ensuring long-term structural integrity under pressure.
Flanged Connection Design: The flanged ends facilitate secure, leak-proof installation and easy integration into existing marine piping networks, reducing installation time and labor costs.
Suction Stop Check Function: This dual-function valve acts as both a stop valve for isolating flow and a check valve for preventing reverse flow (backflow), which is critical for protecting pumps and other sensitive equipment.
GB/T1855-1993 Compliance: Manufactured in strict accordance with the Chinese national standard GB/T1855-1993 for marine valves, ensuring dimensional accuracy, performance reliability, and compatibility with other standardized marine components.
Optimized for Marine Service: Designed specifically for seawater, bilge, ballast, and other shipboard fluid systems where reliable unidirectional flow is paramount.
Quality Manufacturing: Our production processes are certified under ISO9001, guaranteeing consistent quality control from raw material inspection to final testing.

Detailed Technical Specifications:
The following table outlines typical specifications. Custom configurations regarding pressure class, flange standards (e.g., ANSI, JIS, DIN), and specific dimensions are available.

Parameter	Specification / Description
Product Type	Flanged Suction Stop Check Box Valve
Primary Material	Cast Iron (Body & Bonnet)
Design Standard	GB/T1855-1993
Connection	Flanged (Standard face-to-face dimensions as per GB/T1855-1993)
Function	Combined Stop Valve and Check Valve (Non-Return Valve)
Flow Direction	Unidirectional; prevents backflow
Seat & Disc Material	Typically Cast Iron or Bronze; other materials optional
Pressure Rating	PN6, PN10, PN16, or as required (Available upon request)
Size Range (Nominal Diameter)	Commonly from DN50 to DN300 (Customizable)
Operation	Manual (Handwheel) or Gear Operation (Optional)
Testing	Hydrostatic shell test, seat leakage test per applicable standards

Benefits for Your Business:

Enhanced System Safety: Prevents damaging backflow, protecting expensive pumps and ensuring operational continuity.
Reduced Maintenance: Durable cast iron construction and reliable sealing minimize downtime and repair frequency.
Regulatory Compliance: Helps vessel owners and builders comply with marine equipment standards, facilitating classification society approvals.
Global Supply Chain Support: With annual export values between US$1-1.5 million and major shipment ports like Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure timely delivery to your location worldwide.
Customization Flexibility: We can tailor specifications such as pressure rating, flange standard, and coatings to match your specific project requirements.

Our commitment to quality is backed by our ISO9001 certification and proven track record serving diverse markets across North America, South America, Europe, Asia, Africa, and Oceania. This global experience means we understand the nuanced needs of marine applications in different regions. Choosing our GB/T1855-1993 compliant valve means investing in a component built for reliability, backed by a manufacturer dedicated to professional service and support. We encourage you to contact us with your project details to receive a competitive quotation and technical support.

Frequently Asked Questions (FAQ):

Q: What is the main advantage of a suction stop check valve compared to a standard check valve?
A: A suction stop check valve combines two functions in one body. It can be manually closed like a stop valve to isolate a section of pipe, and it automatically prevents reverse flow like a check valve. This saves space, reduces installation points, and enhances operational control.
Q: Is this valve suitable for freshwater systems, or only seawater?
A: While designed and compliant with marine standards, its cast iron construction makes it suitable for various fluid services, including freshwater, seawater, oil, and other non-aggressive media. The specific application should be confirmed based on fluid properties.
Q: Can you provide valves with flanges matching ANSI or DIN standards instead of GB standards?
A: Yes, customization is a key service. We can manufacture the valve body to the GB/T1855-1993 internal design while providing flanges drilled to ANSI, DIN, JIS, or other international standards upon request to ensure compatibility with your existing piping.
Q: What pressure classes (PN ratings) are typically available?
A: Common pressure ratings include PN6, PN10, and PN16. We can also produce valves for higher pressure classes based on your specific design requirements and system pressure.
Q: Do you offer any protective coatings or treatments for the cast iron to enhance corrosion resistance?
A> Yes. While standard cast iron offers good resistance, optional epoxy coatings, rubber lining, or other surface treatments can be applied for extended service life in highly corrosive environments. Please inquire about available options.
Q: What is your lead time for an order of these valves?
A: Lead time depends on the order quantity, specifications, and customization level. Standard specifications typically have shorter lead times. We prioritize efficient production and logistics, shipping from major ports like Shanghai or Guangzhou to ensure timely delivery.
Q: Do you provide documentation such as test certificates and material reports?
A: Yes, we provide essential documentation, including hydrostatic test reports and material certificates, which are important for classification society approvals and quality audits.
Q: Are you able to supply these valves for repair and retrofit projects on existing vessels?
A: Absolutely. Our valves are ideal for repair and retrofit projects. Providing us with the existing valve specifications or flange details allows us to supply a direct replacement or a compatible upgraded unit.