NEOPERL Catalogue 2016 - Page 40

Check valves – product lines All NEOPERL® check valve cartridges have been designed for use with drinking water. Neoperl only uses appropriately approved and certified materials. The product range includes numerous different sizes (7 to 50 mm), which comply with the requirements of all pertinent product standards (EN 13959 and ASME A112.18.3). They have become firmly established in many different applications worldwide thanks to their exceptional reliability and long service life. Apart from the classical product lines, such as the DW and CV models, Neoperl also develops innovative cartridges with additional features, such as flow control, pressure compensation or temperature resistance. DW/CV Line DW 15-PR Type of construction: closed body Bore diameter: 10 – 20 mm Installation: in or against the direction of flow Type of construction: closed body Bore diameter: 15 mm Installation: in or against the direction of flow Special feature: relieves any backpressure in excess of 20.5 ± 4.5 bar quickly and reliably while still complying with EN13959 Scope of application: thermostatic faucets; particularly suitable for installations with thermal disinfection OV Line NV Line Type of construction: open cage, with snap-fit tabs Bore diameter: 10 – 50 mm Installation: preferably against the direction of flow Special feature: low pressure loss and low noise development Type of construction: open cage, with snap-fit tabs Bore diameter: 15 – 50 mm Installation: against the direction of flow Special feature: particularly suitable for applications where a cross bore impedes installation (the o-ring is mounted first) OF Line OF / OV / NV 20-PR Type of construction: open cage, without snap-fit tabs Bore diameter: 7 – 20 mm Installation: in or against the direction of flow Special feature: low pressure loss and low noise development; easy installation Type of construction: open cage, without snap-fit tabs (OV and NV with) Bore diameter: 20 mm Installation: in or against the direction of flow Special feature: relieves any backpressure in excess of 20.5 ± 4.5 bar quickly and reliably while still complying with EN13959; very low pressure loss Scope of application: thermostatic faucets; particularly suitable for installations with thermal disinfection 40 | Check valves