Piston valve PVE

pneumatically-operatedregulatingfor water

Description Compact positioner with analogue control. Compressed air for remote control necessary. The stroke is made proportional to the flow through the paraboüc contour of the piston. The valve shuts tight and is of anti-water hammer design. Media compressed air. vacuum up to 102 mbar or liquids up to viscosity of max. 600 cST (mm2/s) Control pneumatic: lubricated. unlubricated and 50 pm filtered compressed air. 4... 8 bar. port G% electrical: - 0-10 V, optionally 4-20 mA, supply 24 V DC ± 10%, power consumption 150 mA/3.6 W analog position feedback signal 0-10 V / 4-20 mA (after automatic balance) Control element 2-port/2-way valve, NC (normally closed) as standard, as option 3-port/2-way valve for mixing different media, with standard piston Electrical connection cable gland, optionally M12 Mounting position any Protection Ciass IP 66 Linearity / Hystérésis < 2% FS - Repeatability - < 1.0% FS Failsafe valve closes (NC) in the event of voltage failure, optionally outlet fail freeze feature Température range Ambient: 0 °C to 50 °C/ 32 °F to 122 °F - Medium: -10 °C to 180 °C / 14 °F to 356 °F Material Control valve body: bronze, optionally SST 316L - Cône seal: - FTFE Proportional valve body: aluminium, PA and FV