Product Overview

The TARTARINI R/25 is a two-stage spring loaded pressure regulator built to UNI-CIG 8827 standards for a wide range of domestic and industrial gas installations. The compact right-angle body integrates an internal filter, internal relief valve and rotating union nut connections for fast installation.

Key Features

• Two-stage regulation built to UNI-CIG 8827 standards

• Maximum inlet pressure 5 bar with inlet range of 0.05 to 5 bar

• Outlet set range of 18 to 120 mbar with flow up to 25 Nm3/h

• Accuracy class +/-5% and lock-up pressure class up to +10%

• OPSO, UPSO and excess flow slam-shut valves with manual reset

Typical Applications

The built-in overpressure and underpressure slam-shut valves with maximum capacity shut-off and manual reset protect downstream equipment, while the internal relief valve vents small leaks at zero flow. Response time of the self-operated shut-off device is within 2 seconds, and the soft seat or metal-to-metal seal options cover different gas qualities.

Selection Guide

Selection guide: threaded connections are 3/4 x 1-1/4 in BSP on both inlet and outlet. The R/25 is suitable for natural gas, town gas, air, propane and other gases, for boiler front trains, gas meters and individual domestic systems in indoor or outdoor service from minus 20 to plus 60 degrees C. Confirm outlet pressure setting before ordering.