Disk-type non-return valve
12012, 12013, 12024, 12033 / 12017 / 12019
BA_012013.10_EN
2018-11-14 Albert Handtmann Armaturenfabrik GmbH & Co. KG 4 / 8
Type 12019
Type DN Connection
12019 25, 40 weld end//weld end
012019 50 – 150 weld end//weld end
• The valve disk is pressed up when the flow direction is opposite the closing
direction.
• If the difference in pressure is low the valve disk is closed by spring force or return
flow.
• Difference in pressure required to open approx. 0.05 – 0.1 bar.
• Operating pressure up to 10 bar
• Operating temperature up to 125 °C.
• Hygienic sealing to approximate DIN 11864.
4.3 Maintenance
– Maintenance should be performed as needed or at yearly intervals.
– Follow the safety instructions during maintenance and assembly.
– Maintenance work must always be carried out with the system depressurised.
When ordering spare parts please specify the order no.
Sealing material EPDM