Single overcenter valves


The overcenter valves are employed to control the stop and the motion of one direction of an actuator (single overcenter valves) or both the directions (dual overcenter valves).

Functions:

- load lowering control: the lowering of the load is possible only if there is a pilot pressure from the other line; this operation ensures the oil supply of the cylinder preventing cavitation problems;

- containing of the pressure at the setting value, pressure relief for any pressure peaks caused by shocks or overloads; - arrest of the flow (and of the load) when the pump is not working or the directional valve is in neutral position;

- free flow for load lifting, with reduced pressure drops;

They consist of a body where are placed:

- check valve: it allows the flow in only one direction;

- pilot piston: it permits to control the gradual opening of the relief valve;

- relief valve: it permits to limit the maximum pressure in the actuator, it withholds the load and controls its lowering during the opening of the valve by the pilot signal. 

CODE

L/min

Description

Max press.

PDF

Body material

Conn.

Pilot

Click to enlarge image

A060300.00.00

A060300.01.00

A060300.02.00

  

45lpm

Single overcenter valve

Zinc plated steel

500 Bar

G3/8"

4.84:1

6.83:1

9.49:1

A060400.00.00

A060400.01.00


  

60lpm

Single overcenter valve

Zinc plated steel

500 Bar

G1/2"

4.84:1

6.83:1

  

A060261.01.00

A060261.02.00

A060261.03.00

A060361.11.00

A060361.12.00

A060361.13.00

A060461.01.00

A060461.02.00

A060461.03.00

20lpm



45lpm



60lpm

Single overcenter valve

Zinc plated steel

500 Bar

G1/4"



G3/8"



G1/2"

2.7:1

4.3:1

8.8:1

2.7:1

4.3:1

8.8:1

2.7:1

4.3:1

8.8:1

A060261.22.00



  

30lpm

Single overcenter valve

Zinc plated steel

500 Bar

G1/4"

4.1:1

  

A060300.20.00

A060400.20.00



  

45lpm

60lpm

Single overcenter valve

Zinc plated steel

500 Bar

G3/8"

G1/2"

4.84:1

  

A060261.04.00

A060261.05.00

A060261.06.00

A060361.14.00

A060361.15.00

A060361.16.00

A060461.04.00

A060461.05.00

A060461.06.00

20lpm



45lpm



60lpm

Single overcenter valve

Zinc plated steel

500 Bar

G1/4"



G3/8"



G1/2"

2.7:1

4.3:1

8.8:1

2.7:1

4.3:1

8.8:1

2.7:1

4.3:1

8.8:1

A060361.07.00

A060361.08.00

A060361.09.00



  

45lpm

  

Single overcenter valve with relief valve

Zinc plated steel

500 Bar

G3/8"

2.7:1

4.3:1

8.8:1

  

A060361.04.00

A060361.05.00

A060361.06.00



  

45lpm

  

Single overcenter valve

Zinc plated steel

500 Bar

G3/8"

2.7:1

4.3:1

8.8:1

  

A060461.12.00

A060461.13.00




  

150lpm

  

Single overcenter valve

Zinc plated steel

500 Bar

G1/2"

4:1

8:1

  

A060661.02.00

A060661.03.00




  

150lpm

  

Single overcenter valve

Zinc plated steel

500 Bar

G3/4"

4:1

8:1

  

A060466.17.00

A060666.06.00




  

60lpm

100lpm

  

Single overcenter valve with pressure relief

Zinc plated steel

400 Bar

G1/2"

G3/4"

10:1

  

A060861.01.00




  

200lpm

  

Single overcenter valve

Zinc plated steel

350 Bar

G1"

8.3:1

  

A060600.01.00




  

140lpm

  

Single overcenter valve

Zinc plated steel

350 Bar

G3/4"

4.4:1

  

A060600.02.00




  

140lpm

  

Single overcenter valve

Zinc plated steel

350 Bar

G3/4"

8.2:1

  

A060461.16.00




  

60lpm

  

Single overcenter valve

Zinc plated steel

350 Bar

G1/2"

4.25:1

  

A060461.15.00




  

60lpm

  

Single overcenter valve

Zinc plated steel

350 Bar

G1/2"

4.25:1

  

A060421.00.00

A060421.01.00


  

60lpm

  

Single overcenter valve with flow control

Zinc plated steel

500 Bar

G1/2"

4.84:1

4.84:1

  

A060326.00.00




  

45lpm

Single overcenter valve back pressure compensated

Zinc plated steel

500 Bar

G3/8"

  

4.84:1

  

A060426.00.00




  

60lpm

Single overcenter valve back pressure compensated

Zinc plated steel

500 Bar

G1/2"

  

4.84:1

  

A060266.01.00

A060266.02.00

A060266.03.00

A060366.11.00

A060366.12.00

A060366.13.00

A060466.01.00

A060466.02.00

A060466.03.00

20lpm



45lpm



60lpm

Single overcenter valve back pressure compensated

Zinc plated steel

500 Bar

G1/4"



G3/8"



G1/2"

2.7:1

4.3:1

8.8:1

2.7:1

4.3:1

8.8:1

2.7:1

4.3:1

8.8:1

A060326.20.00

A060426.20.00



  

45lpm

60lpm

Single overcenter valve back pressure compensated

Zinc plated steel

500 Bar

G3/8"

G1/2"

4.84:1

  

A060426.30.00



  

60lpm

Single overcenter valve back pressure compensated

Zinc plated steel

500 Bar

G1/2"

3.24:1

  

A060266.04.00

A060266.05.00

A060266.06.00

A060366.14.00

A060366.15.00

A060366.16.00

A060466.04.00

A060466.05.00

A060466.06.00

20lpm



45lpm



60lpm

Single overcenter valve back pressure compensated

Zinc plated steel

500 Bar

G1/4"



G3/8"



G1/2"

2.7:1

4.3:1

8.8:1

2.7:1

4.3:1

8.8:1

2.7:1

4.3:1

8.8:1

A060466.12.00

A060466.13.00



  

120lpm

Single overcenter valve

Zinc plated steel

500 Bar

G1/2"

4:1

8:1

  

A060666.02.00

A060666.03.00



  

150lpm

Single overcenter valve

Zinc plated steel

500 Bar

G3/4"

4:1

8:1

  

A060626.01.00

A060626.02.00



  

140lpm

Single overcenter valve back pressure compensated

Zinc plated steel

500 Bar

G3/4"

4.4:1

8.2:1

  

B060461.02.00

B060661.01.00


  

40lpm

100lpm

Single overcentervalve

Aluminum

350 Bar

G3/4"

10:1

  

B060461.01.00



  

90lpm

Single overcenter valve back pressure compensated

Aluminum

400 Bar

G1/2"

ZERO

  

C069601.01.00



  

60lpm

Single overcentervalve cartridge

Zinc plated steel

400 Bar

CAVITY

1 1/16-12 UNF-2A

HBS.96.S.03A

4.25:1

C069501.01.00



  

90lpm

Single overcentervalve cartridge

Zinc plated steel

350 Bar

CAVITY

1 3/16-12 UNF-2A

HBS.90.U.03A

4.25:1

C064601.01.00



  

150lpm

Single overcentervalve cartridge

Zinc plated steel

350 Bar

CAVITY

M33x2

HBS.46.S03B

4:1

C069401.01.00

C069401.02.00



  

60lpm

Single overcentervalve cartridge

Zinc plated steel

350 Bar

CAVITY

7/8UNF-14 2A

HBS.38.S.02A

4:1

8:1

C060801.01.00

C060801.03.00



  

120lpm

Single overcentervalve cartridge

Zinc plated steel

350 Bar

CAVITY

1 1/16-12 UN-2A

HBS.96.U.03A

4:1

4:1

C065901.01.00




  

100lpm

Single overcentervalve cartridge

Zinc plated steel

350 Bar

CAVITY

M27x1.5

HBS.42.M.03A

4:1

  

C064601.02.00




  

140lpm

Single overcentervalve cartridge

Zinc plated steel

350 Bar

CAVITY

M33x2

HBS.46.M.03A

6.9:1

  

C064603.01.00




  

140lpm

Single overcentervalve cartridge back pressure compensated

Zinc plated steel

350 Bar

CAVITY

M33x2

HBS.46.M.03A

4.7:1

  

C060401.02.00




  

30lpm

Single overcentervalve cartridge

Zinc plated steel

350 Bar

CAVITY

G1/2"

HBS.04.G.03A

4.5:1

  

C065201.01.00




  

300lpm

Single overcentervalve cartridge

Zinc plated steel

350 Bar

CAVITY

M42x2

HBS.52.M.03A

4:1

  

PV10185.00.00

CBBA-CBBC



  

30lpm

Single overcentervalve cartridge

Zinc plated steel

350 Bar

CAVITY

M20x1,5

HBS.38.M.03A

T11-A

3:1

  

PV10188.00.00

CBCA

70-280BAr Setting


  

60lpm

Single overcentervalve cartridge

Zinc plated steel

350 Bar

CAVITY

M20x1,5

HBS.38.M.03A

T11-A

3:1

  

PV10189.00.00

CACA



  

60lpm

Single overcentervalve cartridge back pressure compensated

Zinc plated steel

350 Bar

CAVITY

M20x1,5

HBS.38.M.03A

T11-A

3:1

  

PV10192.00.00

CABG



  

30lpm

Single overcentervalve cartridge back pressure compensated

Zinc plated steel

350 Bar

CAVITY

M20x1,5

HBS.38.M.03A

T11-A

4:1

  

PV10193.00.00

CBCA

28-100Bar Setting

60lpm

Single overcentervalve cartridge

Zinc plated steel

350 Bar

CAVITY

M20x1,5

HBS.38.M.03A

T11-A

3:1

  

PV10194.00.00

CBBD

  

30lpm

Single overcentervalve cartridge

Zinc plated steel

350 Bar

CAVITY

M20x1,5

HBS.38.M.03A

T11-A

3:1

  

PV10195.00.00

CBCG

60lpm

Single overcentervalve cartridge

Zinc plated steel

350 Bar

CAVITY

M20x1,5

HBS.38.M.03A

T11-A

4,5:1

  

PV10197.00.00

CBEG

120lpm

Single overcentervalve cartridge

Zinc plated steel

350 Bar

CAVITY

T-2A

4,3:1

  

C064601.03.00

CB000014

VITON SEALS

150lpm

Single overcentervalve cartridge pressure compensated

Zinc plated steel

350 Bar

CAVITY

M33x2

HBS.46.S03B

4:1

  

C065203.01.00

CB000013

CB000017

VITON SEALS

300lpm

Single overcentervalve cartridge pressure compensated

Zinc plated steel

350 Bar

CAVITY

M42x2

HBS.52.M.03A

6:1

  

PV10402.00.00

CB000008

CB000051

VITON SEALS

40lpm

Single overcentervalve cartridge pressure compensated

Zinc plated steel

350 Bar

CAVITY

7/8"-14UNF-2A

HBS.38.S.02A

4,1:1