Sun load control valve 2:1 With drain spring chamber

3:1 Pilot ratio, vented counterbalance valve – atmospherically referenced

Atmospherically vented counterbalance valves with pilot assist are meant to control an overrunning load. The check valve allows free flow from the directional valve (port 2) to the load (port 1) while a direct-acting, pilot-assisted relief valve controls flow from port 1 to port 2. Pilot assist at port 3 lowers the effective setting of the relief valve at a rate determined by the pilot ratio. Backpressure at port 2 does not affect the valve setting because the spring chamber is atmospherically referenced. Other names for this valve include motion control valve and over-center valve.

  • Counterbalance valves should be set at least 1.3 times the maximum load induced pressure.
  • Turn adjustment clockwise to decrease setting and release load.
  • Approximately 1 drop (0,07 cc) of fluid will pass from the pilot area to the vented spring chamber every 4000 cycles.
  • Reseat exceeds 85% of set pressure when the valve is standard set. Settings lower than the standard set pressure may result in lower reseat percentages.
  • Sun counterbalance cartridges can be installed directly into a cavity machined in an actuator housing for added protection and improved stiffness in the circuit.
  • This valve has positive seals between all ports.
  • With vented valves, a lower pilot ratio may be required to achieve machine stability compared to non-vented valves.
  • Three-port vented valves are atmospherically referenced and considered problem solvers for existing circuits using non-vented valves. Over time, the vented valves may leak externally or allow moisture into the spring chamber. Four-port vented counterbalance valves are recommended for new applications.
  • All 3-port counterbalance, load control, and pilot-to-open check cartridges are physically interchangeable (i.e. same flow path, same cavity for a given frame size).
  • Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations.

Varenummer:
CACA-LHN

Pakke str.:
0 pcs

Min. bestillingsenhed er:
1 pcs
Sun Block T11A 3/8
Varenummer: EAU
Ventilhus SUN T-11A G3/8'' Stål
Varenummer: EAU/S
Ventilhus SUN T-11A 90gr
Varenummer: EAV
Ventilhus SUN T-11A NG6
Varenummer: EBA/M
Sun sandwich ventilhus Cetop3
Varenummer: EBY
Ventilhus SUN T-11A x2 NG6 Stål
Varenummer: EBY/S
Sun valve block T-11A Steel
Varenummer: X4B/S
Sun Block 2 x T11A 3/8
Varenummer: YEU
Sun hus 2 x T11A R1/2
Varenummer: YEV
Brand Name
Sun Hydraulics

Cavity
T-11A

Contamination level max.
19/17/14 - ISO 4406

Flow rate nominal LMin
60 lpm

Oil viscocity recommended
2,8 - 380 cSt

Pilot ratio
3:1

Pressure max.
350 bar

Pressure setting max.
280 bar

Pressure setting min.
70 bar

Sealing material
NBR

Temperature max.
+110 °C

Temperature min.
-30 °C

Torque tightening
41 - 47 Nm
Pakke str.
0 pcs

Stregkode
5704295321905

Brutto vægt
Kg

Netto vægt
Kg

Oprindelsesland

Intrastat varekode
84812010

3:1 Pilot ratio, vented counterbalance valve – atmospherically referenced

Atmospherically vented counterbalance valves with pilot assist are meant to control an overrunning load. The check valve allows free flow from the directional valve (port 2) to the load (port 1) while a direct-acting, pilot-assisted relief valve controls flow from port 1 to port 2. Pilot assist at port 3 lowers the effective setting of the relief valve at a rate determined by the pilot ratio. Backpressure at port 2 does not affect the valve setting because the spring chamber is atmospherically referenced. Other names for this valve include motion control valve and over-center valve.

  • Counterbalance valves should be set at least 1.3 times the maximum load induced pressure.
  • Turn adjustment clockwise to decrease setting and release load.
  • Approximately 1 drop (0,07 cc) of fluid will pass from the pilot area to the vented spring chamber every 4000 cycles.
  • Reseat exceeds 85% of set pressure when the valve is standard set. Settings lower than the standard set pressure may result in lower reseat percentages.
  • Sun counterbalance cartridges can be installed directly into a cavity machined in an actuator housing for added protection and improved stiffness in the circuit.
  • This valve has positive seals between all ports.
  • With vented valves, a lower pilot ratio may be required to achieve machine stability compared to non-vented valves.
  • Three-port vented valves are atmospherically referenced and considered problem solvers for existing circuits using non-vented valves. Over time, the vented valves may leak externally or allow moisture into the spring chamber. Four-port vented counterbalance valves are recommended for new applications.
  • All 3-port counterbalance, load control, and pilot-to-open check cartridges are physically interchangeable (i.e. same flow path, same cavity for a given frame size).
  • Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations.

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