Estonia
Hydrochecks
Series 43
Bore ø 40 mm
Regulated thrust or return stroke
Skip-Stop function
Regulated thrust or return stroke
Skip-Stop function
Series 43 hydrocheck units are available with two different types of control: regulated outward movement and fast return; or fast outward movement and regulated return. These hydrochecks come complete with an oil surge tank which ensures automatic equalisation.
Speed variation is obtained by means of an incorporated flow regulator designed to allow comprehensive and constant use.
Upon request, they can be supplied with an incorporated stop valve or an acceleration valve or both.
To restore oil when the minimum level in the surge tank is reached, use the following oil and pump Mod. 43N-PMP:
hydraulic oil, class H, ISO symbol HG 46, viscosity 4.5 E. at 40°C.
Speed variation is obtained by means of an incorporated flow regulator designed to allow comprehensive and constant use.
Upon request, they can be supplied with an incorporated stop valve or an acceleration valve or both.
To restore oil when the minimum level in the surge tank is reached, use the following oil and pump Mod. 43N-PMP:
hydraulic oil, class H, ISO symbol HG 46, viscosity 4.5 E. at 40°C.
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| Type of construction | with tie-rods |
| Operation | regulation of the hydrocheck’s rod return (thrust) regulation of the hydrocheck’s rod thrust (traction) |
| Controllable load | max. 600 Kgf without valves, max 500 Kgf with valves (including inertia of moving masses) |
| Operating temperature | -10°C ÷ +60°C |
| Fluid | hydraulic oil, class H, ISO symbol HG 46, viscosity 4.5 E. at 40°C |
| Speed | 70 - 10000 mm/min without valves, 0 - 6000 mm/min with valves |
| Standard stroke | 50, 100, 150, 200 (special stroke available on request) |
| Special designs | with STOP or SKIP and SKIP/STOP valve * |
| SKIP/STOP valve operating pressure | 4 ÷ 8 bar |
| Type of mounting | feet Mod. B-40 (see B-41-40 for dimensions) |
* = minimum stroke 80mm
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CODING EXAMPLE
| 43 | N | - | P | S | 0 | - | 40 | - | 200 |
| 43 | SERIES |
| N |
VERSION N = standard S = special |
| P |
TANK POSITION L = tank in series P = tank parallel D = double valve, tank parallel |
| S |
REGULATION S = thrust (hydrocheck's rod return regulated) T = traction (hydrocheck's rod thrust regulated) |
| 0 |
OPERATION A = SKIP valve B = SKIP + STOP valve * V = STOP valve 0 = standard |
| 40 |
BORE 40mm |
| 200 |
STROKE in mm |
* = minimum stroke 80mm
