Professional pressure generation equipment for workshop, laboratory, and field calibration applications.

Our range of pneumatic pressure comparators and manual pressure pumps is engineered to deliver smooth, stable, and repeatable pressure control for accurate instrument verification. Designed for real-world industrial use, GNW pressure generation equipment provides the foundation for reliable calibration workflows.

Whether used as part of a complete calibration system or as a standalone pressure source, these units allow controlled test point setting with practical, hands-on usability.

Precision Pressure & Vacuum Control

• Pneumatic pressure comparators
• Manual pressure pumps with fine adjustment control
• Combined vacuum and positive pressure capability
• Smooth vernier trimming for accurate test point setting
• Quick-connect test ports for efficient instrument setup
• Robust construction for workshop and field environments

Stable pressure generation is essential for consistent calibration results. Our systems are selected to provide dependable control across common industrial pressure ranges.

Designed for Calibration Workflows

GNW pressure generation equipment supports:

• Verification of mechanical pressure gauges
• Digital reference gauge comparison
• Pressure transmitter setup and adjustment
• Routine in-house ISO 9001 verification
• Maintenance fault diagnosis

Fine adjustment control allows engineers to approach and stabilise test points precisely, improving repeatability and confidence in measurement results.

Built for Industrial Environments

• Durable finishes for workshop use
• Lightweight, portable designs
• Compatible with BSP, BSPT, NPT, and metric fittings
• Suitable for integration with digital reference gauges and manifolds

Whether you require a compact portable pump for field verification or a workshop-based comparator for structured in-house calibration, GNW provides pressure generation equipment backed by technical expertise.

Need assistance selecting the correct pressure range or configuration? Contact GNW Instrumentation for professional guidance.