Industrial Valves

NAB Check Valve

Technical datasheet for NAB Check Valve. Specifications: ASTM B148 C95800, Marine. Material: Ni-Aluminium Bronze C95800. Sizes: 15mm to 300mm. Stan...

Key Applications

SeawaterDesalinationMarine / Offshore
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Technical Specifications

Product Type NAB Check Valve
Category Industrial Valves
Size Range 2" to 24" (DN50 to DN600)
Pressure Class Class 150 (PN20)
End Connections Flanged ASME B16.5
Operation Automatic (swing / dual plate)
Standards API 594, ASME B16.34, API 598

Materials for Seawater Service

Body / Bonnet

Nickel Aluminium Bronze ASTM B148 C95800

Trim / Closure

NAB C95800 disc/ball/wedge with PTFE or Viton soft seats where specified

Stem / Shaft

Super Duplex UNS S32760 or Monel 400 / K500

Fasteners

SS316 / Super Duplex bolting for marine atmosphere

Why NAB

Seawater corrosion resistance, anti-biofouling, high erosion resistance

Typical Service

Desalination, offshore, marine cooling, firewater, ballast

Purchase Options

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Features & Benefits

High Performance

Designed for reliable operation under demanding conditions with minimal maintenance requirements.

Quality Assurance

Complete material traceability, mill test certificates, and compliance with international standards.

Wide Application Range

Suitable for Industrial, Process, Export and many other industrial applications.

Expert Support

Technical assistance for valve selection, sizing, and application engineering from our experienced team.

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