These cartridge check valves allow flow at a low pressure drop, with cracking pressure from 0.5 to 5 bar in the free flow direction and close to prevent flow in the reverse direction.

Oil flow is permitted from port 2 to port 1 and close to prevent flow in the reverse direction.

Rated Flow :

20 l/min

Max. pressure : 

350 bar

Opening pressure from port 2 to port 1 :

(1) 0.5 bar (2) 5 bar

Leakage :

0.3 ml/min (5 dpm)

Working temperature :

Min. -20℃ , Max. 90℃ , with standard BUNAN gaskets

Min. -20℃ , Max. 120℃ , with optional VITON gaskets on request

Fluid :

best use mineral oil with viscosity ranging between 10 and 200 cSt

Filter :

25 micron or better

Cavities :

see cavity data 08-02

Installation : 

before screwing the cartridge on the valve body, ascertain to provide suitable gasket lubrication with clean oil and also be sure to screw the cartridge manually in to reach against the gaskets in the valve body.

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