| Type |
|
Pilot-operated check valves |
|
|
| Designation |
|
Leak−free double check valve |
|
|
| Design |
|
Spring−closed poppet valve with hydraulic piloting |
|
|
| Mounting method |
|
Screw-in cartridge |
|
|
| Size |
|
8, 10 |
|
|
| Working pressure |
|
350 bar |
|
|
| Rated flow rate |
|
70 ... 100 l/min |
|
|
| Flow direction |
|
A ⇒ A1, A ⇒ B1 free flow
A1 ⇒ A, B1 ⇒ B blocked
flow is enabled by pressure in the opposite line |
|
|
| Hydraulic fluid |
|
Mineral oil to DIN 51524 and DIN 51525 (HL/HLP). Other fluids − consult Bucher Hydraulics |
|
|
Hydraulic fluid
temperature range |
|
−20°C ... + 80 °C, for other temperatures, consult Bucher Hydraulics |
|
|
| Viscosity range |
|
2,8...1500 mm²/s (cSt),
10...380 mm²/s (cSt) recommended |
|
|
| Minimum fluid cleanliness |
|
NAS 1638 class 9, β 10 ≥ 75
ISO 4406 class 18/15 |
|
|
| For mer informasjon |
|
Klikk her --- Datablad --- Oversikt |