Introducing Our Vista Ball Flow Indicator

John Moncrieff Ltd presents the Vista Ball Flow Indicator — a compact, high-visibility device engineered for accurate and reliable flow monitoring. With robust stainless steel construction and a clear viewing dome, it provides instant visual confirmation of flow presence, direction, and condition in both liquid and gas systems.

Key Features

• Versatile Applications: Suitable for monitoring liquid, gas, and condensate flow in diverse process environments.
• Robust Construction: Precision-cast 316 stainless steel body ensures exceptional mechanical strength and corrosion resistance.
• Temperature & Pressure Resistance: Engineered to operate dependably in high-temperature and high-pressure systems.
• Efficient Delivery: Manufactured with short lead times to support rapid project deployment.
• British Quality: Designed and produced in the UK, upholding John Moncrieff’s heritage of engineering excellence.

Applications

• Condensate detection in steam return lines
• Chemical dosing verification in water treatment plants
• Cooling water flow monitoring and system checks
• Process liquid colour and clarity observation

Construction

• Body: Cast in high-quality 316 stainless steel for durability and corrosion resistance.
• Glass Window: Annealed borosilicate glass dome secured by a stainless-steel clamp ring and sealed with a Viton O-ring.
• Connections: Available with screwed NPT, BSP parallel, or BSP taper threads.

Quality Assurance

• ISO 9001 Certified: Quality management system audited by BSI, ensuring adherence to rigorous manufacturing standards.
• Material Traceability: Complete traceability and certification available upon request.

Materials of Construction

• Body: Stainless steel ASTM 351 CF8M
• Clamp Ring: Stainless steel BS 3100 302 C25 (304 C15)
• Ball: PTFE
• Glass Dome: Annealed borosilicate
• O-Ring: Viton
• Gasket: Klingersil C4400
• Fasteners: Stainless steel

Combining clarity, strength, and precision, the Vista Ball Flow Indicator reflects John Moncrieff Ltd’s commitment to reliable British engineering — delivering robust, efficient, and easily maintained process flow monitoring solutions for global industry.