Introducing Our Vista ‘Spinner’ Type Flow Indicator

John Moncrieff Ltd presents the Vista ‘Spinner’ Type Flow Indicator — an advanced, compact device designed for accurate and reliable flow monitoring. Combining robust gunmetal construction with a visible, high-speed spinner, it provides instant visual confirmation of flow conditions in liquid, gas, and condensate systems.

Key Features

• Versatile Applications: Suitable for monitoring liquid, gas, and condensate flow across diverse systems.
• Robust Construction: Manufactured from premium materials for strength, durability, and extended service life.
• Temperature & Pressure Resistance: Designed to withstand elevated pressures and temperatures in challenging environments.
• Efficient Delivery: Produced with short lead times for prompt delivery and installation.
• British Quality: Proudly designed and manufactured in the UK, ensuring superior craftsmanship and reliability.

Applications

• Pump, compressor, and diesel engine protection
• Cooling water flow monitoring
• Process liquid colour and condition verification
• Air entrainment and bubble detection
• Overheating, bearing, and seal failure early warning

Construction

• Body: Cast in high-quality gunmetal for superior corrosion resistance and mechanical integrity.
• Glass Dome: Moulded annealed borosilicate glass secured with a de-zincified brass clamp ring and sealed by a Viton O-ring.
• Connections: Supplied with BSP parallel screwed ends as standard; other options available on request.

Quality Assurance

• ISO 9001 Certified: Quality management system independently audited by BSI to ensure full compliance with international standards.
• Material Traceability: Full material certification and documentation available upon request.

Materials of Construction

• Body: Gunmetal BS1400 LG2
• Clamp Ring: De-zincified brass
• Spinner: PPS plastic (colour – fast yellow)
• Glass Dome: Moulded annealed borosilicate
• O-Ring: Viton
• Gasket: Klingersil C4400
• Fasteners: Stainless steel

Engineered for clarity, strength, and reliability, the Vista ‘Spinner’ Type Flow Indicator exemplifies John Moncrieff Ltd’s tradition of precision British manufacturing — delivering dependable process flow visibility for critical industrial applications.