NZ and NZS nozzle-valves

NZ & NZS Axial Flow Nozzle Check Valves

Features
Benefits

Axial Flow Path/Venturi Effect

The geometry of the valve’s body and disc are designed using Computational Fluid Dynamics to streamline the flow path

Internal diffusers hold the guide to the body

Spring is engineered based on specific operating conditions

Reduces operating cost with minimal pressure drop

Reduces cavitation

Reduces risk of damage to piping

Non-Slam Design

Lightweight, singular compression spring-loaded disc

The disc travels only a short distance from the open to closed position

Provides fast dynamic response

Ensures consistent non-slam operation

Provides optimal surge protection for centrifugal compressors

Reliable Operations

Conical disc is self-aligning

Disc is the only moving part

Large valves feature front and rear bearing supports

Unique hexagonal shaft provides a passageway for suspended particulate to flow through shaft/bearing area, while simultaneously reducing drag

Multiple material and trim options available

Designed for gas and liquid media

Provides consistent smooth travel of shaft through guide bearings

Ensures low seat leakage rate over a long period of time with aligned disc/shaft

Ensures low maintenance costs

Optimizes installation - can be mounted in any piping orientation (Contact factory for vertical down flow installation).