Glenfield Invicta Ltd. products

The Series 853 Fig 1340 Constant Flow Valve maintains a constant rate of flow regardless of variations in upstream or downstream pressures. It can be used where steady flows are required for treatment or dozing purposes.

The Series 853 Fig 1301 Pressure Reducing Valve provides an accurate constant outlet pressure regardless of changes in inlet pressure and fluctuations in flow rate. Standard spring suitable for outlet pressure up to 30m. Also available are spring ratings at 90m and 140m.