Function and symbolsThe Z1S ...valve is a direct operated check valve in sandwich plate design. It mainly consist of the housing (1) and check valve cartridge (2).It is used for the leak-free closure ...
Product Detail
Function and symbols
The Z1S ...valve is a direct operated check valve in sandwich plate design. It mainly consist of the housing (1) and check valve cartridge (2).
It is used for the leak-free closure in one direction and allows free flow in the opposite direction.
The stroke of the poppet (3) is limited by the spring seat (4). The integrated spring (5) holds the poppet (3) in the closed position.
Ordering code
Symbols (①=valve side, ②= sub-plate side)
Technical data
| Nominal size | 6 | 10 | 16 | 22 |
| Weight kg | 0.8 | 2.3 | 8.5 | 13 |
| Max.flow-rate L/min | 42 | 100 | 200 | 400 |
| Max.operating pressure bar | To 315 | |||
| Crack pressure bar | 0.5,3,5 | |||
| Viscosity range m㎡/s | -2.8 to 500 | |||
| Fluid temperature range ℃ | -20 to+70 | |||
| Fluid | Mineral oil suitable for NBR and FKM seal | |||
| Phosphate ester for FKM seal | ||||
| Degree of contamination | Maximum permissible degree of fluid contamination: Class 9. NAS 1638 or 20/18/15, ISO4406 | |||
Characteristic curves (Measured at 9ol=40℃±5℃ ,using HLP46)
Unit dimensions (Sizes 6 and 10)
Unit dimensions (Sizes 16 and 22)
