SECTIONAL VALVE 80L GS

Information Form.


APPLICATION AREAS

This 80L GS directional control valve group is commonly used for mini excavators, compact front loaders, cranes, backhoe loaders.


TECHNICAL INFORMATION


WORKING CONDITIONS


This catalogue shows technical specifications and diagrams measured through mineral oil of 46 mm2/s – 46cSt viscosity at 40°C - 104°F temperature.

Nominal flow rating

 

80 l/min.

 

Max. flow

 

100 l

 

Operating pressure (max.)

Series-parallel (tandem) circuit

315 bar

4600 psi

Back pressure (max.)

on outlet port T

25 bar

360 psi

Internal leakage A(B)®T

Dp=100 bar – 1450 psi fluid and valve at 40°C

3cm3/min.

0.18 in3/min.

Hydraulic fluid

 

Mineral base oil

 

Fluid temperature

with NBR seals

from - 20° to 80°C

 

with FPM (VITON) seals

from - 20° to 100°C

 

Viscosity

operating range

from 15 to 75 mm2/s

from 15 to 75 cSt

Min.

12 mm2/s

12 cSt

Max.

400 mm2/s

400 cSt

Max. level of contamination

 

19/16 – ISO 4406

 

Tie rods tightening torque

(wrench 13)

 

30 Nm

22 lbft

PORTS THREAD

PORTS

BSP (ISO 228/1)

UN-UNF (ISO 11926-1)

METRIC (ISO 6149-1)

Inlet P

G 1/2

7/8 – 14 (SAE 10)

M22x1,5

A and B ports

G 1/2

3/4 – 16 (SAE 8)

M22x1,5

Outlet T and carry-over C

G 3/4

7/8 – 14 (SAE 10)

M27x2

PILOT PORTS

Hydraulic ports

G 1/4

-

-

Pneumatic ports

G 1/8

-

-