IMPA: 751421

Marine Cast Iron Swing Check Valve – 5 kgf/cm² (IMPA 751421)

The Marine Cast Iron Swing Check Valve (IMPA 751421, series F-7372) is a robust flow-control component designed for shipboard piping systems. Rated at 5 kgf/cm², this swing check valve automatically prevents backflow while allowing full flow in one direction. Its cast iron body provides excellent durability in marine environments when applied within recommended temperature and pressure limits.

This valve is ideal for use in ballast, cooling water, bilge and general service lines on ocean-going vessels. The swing disc opens smoothly with forward flow and closes tight against the seat when flow reverses, safeguarding pumps and other equipment from damage caused by reverse rotation or back pressure. With flanged connections and a replaceable seat, this valve simplifies installation and maintenance in tight shipboard spaces.

As a true marine-grade product, the F-7372 swing check valve meets the demanding requirements of ship engine rooms and deck systems. Order this IMPA 751421 valve to maintain reliable, unidirectional flow across your vessel's piping network.

Key Features

Technical Specifications

SpecificationValue
Product SeriesF-7372
IMPA Code751421
TypeSwing Check Valve
Body MaterialCast Iron
Pressure Rating5 kgf/cm² (0.49 MPa / 71 psi)
ConnectionFlanged (PN10/16 compatible)
Size RangeDN20 to DN200 (1/2" to 8")
MediaSeawater, fresh water, oil
Temperature Range-10°C to +120°C
Disc TypeSwing
EndsFlanged

Frequently Asked Questions

What is the pressure rating of this valve?

This swing check valve is rated at 5 kgf/cm² (approximately 0.49 MPa or 71 psi), making it suitable for low to medium pressure shipboard systems.

What sizes are available?

We can supply DN20 to DN200 sizes with flanged ends to suit your piping specification. Please contact us for specific size availability.

Can this valve be used for seawater?

Yes, the cast iron body is suitable for seawater duties, but for long-term corrosion resistance consider protected or bronze-trim versions available on request.

What is IMPA 751421?

IMPA 751421 is the International Marine Purchasing Association code for this type of cast iron swing check valve, commonly used in ship chandlery supply.

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