Diaphragm valve SISTO-16RGAMaXX

with handwheelcontrolshut-off

Weir-type diaphragm valve to DIN/EN with threaded socket ends, straight-way pattern, body made of stainless steel for drinking water installations to DIN 1988, DIN-DVGW-approved for water acc. to test W 270, in compliance with the latest German Environment Agency guideline; shut-off and sealing to atmosphere by confined and supported SISTOMaXX diaphragm; position indicator with integrated stem protection. All moving parts are separated from the fluid by the diaphragm. Maintenance-free. Applications ■ - Drinking water ■ - Service water ■ - Water containing chlorine ■ - Seawater Technical Data Function Shut off/control flow Connection type Internal-thread connection Design concept Drive With handwheel Casing material GX2CRNIMO19-11-2 Nominal pressure PN 16 Max. nominal size DN 80 Min. nominal size DN 15 Max. allowed fluid temperature 90 °C Min. allowed fluid temperature -10 °C Benefits Reliable sealing ensured by one single sealing element (the diaphragm) which provides hermetic sealing to atmosphere and absolutely tight shut-off. The specially enclosed diaphragm ensures long service life and high operating reliability. Balanced diaphragm suspension for increased functional reliability of the diaphragm Maintenance-free: All functional parts are located outside the fluid. High level of reliability with thrust bearing minimising the closing torques required Optimised long-term operation: The position indicator with integrated stem protection prevents the ingress of contaminants. The SISTOMaXX diaphragm material and the body material 1.4409 meet the recommendations of the German Environment Agency (elastomers guideline) and DVGW Worksheet W270.