NW50 Double Acting High Vacuum Valve by Cosmotec

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Introduction

High-vacuum systems demand absolute reliability, tight sealing, and long-term operational stability. The NW40 Single Acting Type L High Vacuum Valve (Model: NW40PABV) from Cosmotec is engineered to meet these requirements with precision Japanese manufacturing and proven bellows-seal technology. Designed for vacuum isolation between atmosphere and high-vacuum environments, this valve is ideal for advanced industrial and research applications worldwide

Precision-engineered NW50 double acting high vacuum valve, featuring bellows sealing for optimal leak-tight vacuum control. Ideal for advanced applications. Model: NW50DA2ABV. Product Code: 27432.

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NW50 High Vacuum Valve – Designed for Precision Isolation

The NW50 High Vacuum Valve utilizes a bellows seal structure that ensures exceptional leak tightness while maintaining smooth and repeatable operation. Its double-acting mechanism allows controlled opening and closing, making it suitable for automated vacuum systems requiring consistent performance.

Key Functional Features

• Double acting bellows valve for secure vacuum isolation

• L-type configuration optimized for flexible system layouts

• Manual and pneumatic actuation options available

• Flow direction can be configured as required

• Designed strictly for open/close control (no flow rate adjustment)
  

Technical Specifications Overview

Item	Specification
Model	NW50DA2ABV
Main materials	SUS304 (L type), SUS304L (Y, Z type)
Flexible / bellows	AM-350
Leakage rate (hood section)	< 1.0 × 10⁻¹⁰ Pa·m³/sec
Leak rate (sheet leakage)	< 1.0 × 10⁻¹⁰ Pa·m³/sec
RoHS2 corresponding	Yes

These specifications define the valve’s suitability for high-vacuum environments where material integrity, ultra-low leakage, and regulatory compliance are required.

Applications

The NW50 Double Acting High Vacuum Valve is widely used in:

• Semiconductor and electronics manufacturing

• Vacuum chambers and processing equipment

• Research laboratories and analytical instruments

• Industrial vacuum systems requiring high sealing reliability

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