Functional description,section

The Z1S 6 valve is a direct operated check valve in sandwich plate design. It is used for the leak-free closure in one direction and allow free-flow in the counter direction. This valve type has a metallic seal between poppet (3) and housing (1). Valves of this type are especially suitable for applications with operating pressures above 10.0Mpa and flow velocities over 4m/s.


Ordering details


Technical data

Size	6	10
Max. flow            L/min	To 40	To 100
Operating pressure   (Mpa)	To 31.5
Cracking pressure    (Mpa)	See the ordering details
Pressure Fluid	Mineral oil or Phospate ester
Temperature range      ℃	-30~+80
Viscosity range       mm²/s	2.8~500
Weight                kg	0.8	2.3

*For application outside these parameter, please consult us!

Unit Dimensions (dimensions in mm)

Size6                                                                                                 Size10
O-ring 4-9.25×1.78                                                                              O-ring 5-12×2
                                                                                1. This port is blocked in ver style "F" and "T".
                                                                                2. In style "F" and "T" the check valve is installed in this channel.        



Required surface finish of mating piece