• Dutco Tennant LLC, PO Box 233, Dubai, U.A.E.
Non Return Valves Potable Water

We offer Non return valves fully in Gunmetal Body, BS 1400- LG2. These valves are with threaded ends BSP to BS 21 and shall be suitable for horizontal and vertical upward flow installation in house connection.

Technical Data

Minimum Operating Pressure (bar) 0.5 -1.0 bar
Maximum Cold Working Pressure (bar) 25.0 bar at temperatures up to 100oC
Maximum Hot Working Pressure (bar) 10.5 bar at temperatures up to 186oC

Care & Maintenance

Care :

No regular aesthetic care is required for this product

Maintenance :

A regular maintenance program is the most efficient method of ensuring longer term operational efficiency of the selected valve. Such a program would need to include a risk assessment and a planned procedure of how the maintenance will be carried out. The possibility of operational limits being exceeded and the potential hazards ensuring must be considered as part of this assessment. This should be implemented to include visual checks on the valve’s condition and any development of unforeseen conditions, which could lead to failure. The correct fitting tools and equipment should be used for valve maintenance work. Separate means of draining the pipe work must be provided when carrying out any maintenance to valves. Where there may be any system debris this could be collected and /or filtered by installation of the appropriate protective device.