IMPA: 751141

Marine Cast Iron Screw-Down Check Angle Valve (10 kgf/cm²)

This marine cast iron screw-down check angle valve is a robust marine-grade valve designed for shipboard piping systems where backflow prevention and manual isolation are essential. With a working pressure of 10 kgf/cm², it is suitable for seawater cooling, ballast water, bilge, and fuel line applications. The angle pattern (90 degrees) provides a compact configuration, saving space in engine rooms and pump systems.

This non-return valve combines two functions: a screw-down stem allows positive manual closing when maintenance is required, while the internal check disc automatically prevents reverse flow when the pump stops. The cast iron body offers excellent resistance to corrosion and mechanical stress in demanding maritime environments. This valve is specifically classified under IMPA 751141, making it a standard replacement item for ship chandler supplies worldwide.

Key Features

Technical Specifications

SpecificationValue
Product TypeScrew-Down Check (Non-Return) Angle Valve
IMPA Code751141
Model NumberF-7376
Pressure Rating10 kgf/cm² (approx. 10 bar / 142 psi)
Body MaterialCast Iron
Trim MaterialStainless Steel / Bronze (optional)
Connection TypeFlanged (JIS 10K, ANSI 150, DIN PN10 optional)
Size RangeDN15 - DN200 (1/2" - 8")
ApplicationSeawater, fresh water, oil, compressed air lines

Frequently Asked Questions

What is a screw-down check angle valve used for?

It combines a manual isolation valve and a non-return (check) valve. It allows flow in one direction, prevents backflow, and can be manually closed via the screw-down stem for maintenance.

What is the pressure rating of this valve?

The maximum working pressure is 10 kgf/cm², which approximately equals 10 bar or 142 psi. This is suitable for most marine medium-pressure applications.

Which flange standard is available?

The valve typically comes with JIS 10K flanges, but ANSI 150 and DIN PN10 flanges are available upon request for your specific shipboard piping system.

Is this valve suitable for seawater?

Yes, the cast iron body with optional corrosion-resistant trim (stainless steel or bronze) makes it suitable for seawater and marine environments. However, for critical seawater applications, selecting a suitable trim material is recommended.

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