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Cushion Lock
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Model

YCCGLHNAK

   
   
Control
  • Standard Options
  • C
    Tamper Resistant - Factory Set
  • L
    Standard Screw Adjustment
  • Additional Options
  • R
    Lockwired Screw Adjustment
Functional Setting Range
  • Standard Options
  • A
    1000 - 4000 psi w/4 psi Check (70 - 280 bar w/ 0,3 bar Check), 3000 psi (210 bar) Standard Setting
  • B
    400 - 1500 psi w/4 psi Check (28 - 105 bar w/ 0,3 bar Check), 1000 psi (70 bar) Standard Setting
  • H
    1000 - 4000 psi w/25 psi Check (70 - 280 bar w/ 1,7 bar Check), 3000 psi (210 bar) Standard Setting
  • I
    400 - 1500 psi w/25 psi Check (28 - 105 bar w/ 1,7 bar Check), 1000 psi (70 bar) Standard Setting
Seal Material
  • Standard Options
  • N
    Buna-N
  • V
    Viton
Pilot Ratio (4th Letter) of Primary Cartridge
  • Standard Options
  • A
    3:1 (with CBCA primary cartridge, 3:1 pilot ratio, standard capacity counterbalance valve)
  • G
    4.5:1 (with CBCG primary cartridge, 4.5:1 pilot ratio, standard capacity counterbalance valve)
  • H
    10:1 (with CBCH primary cartridge, 10:1 pilot ratio, standard capacity counterbalance valve)
  • Y
    2:1 (with CBCY primary cartridge, 2:1 pilot ratio, standard capacity counterbalance valve)
  • A
    3:1 (with CBCAX primary cartridge, Fixed setting, 3:1 pilot ratio, standard capacity counterbalance valve)
  • G
    4.5:1 (with CBCGX primary cartridge, Fixed setting, 4.5:1 pilot ratio, standard capacity counterbalance valve)
  • H
    10:1 (with CBCHX primary cartridge, Fixed setting, 10:1 pilot ratio, standard capacity counterbalance valve)
  • Y
    2:1 (with CBCYX primary cartridge, Fixed setting, 2:1 pilot ratio, standard capacity counterbalance valve)
Port and Material Designation
  • Standard Options
  • B
    Ports C1,C2,V1,V2 — 3/8" NPTF; Port T — 1/2" NPTF; Port S — 1/4" NPTF; Aluminum
  • B/S
    Ports C1,C2,V1,V2 — 3/8" NPTF; Port T — 1/2" NPTF; Port S — 1/4" NPTF; Iron
  • C
    Ports C1,C2,V1,V2 — 1/2" NPTF; Port T — 1/2" NPTF; Port S — 1/4" NPTF; Aluminum
  • C/S
    Ports C1,C2,V1,V2 — 1/2" NPTF; Port T — 1/2" NPTF; Port S — 1/4" NPTF; Iron
  • J
    Ports C1,C2,V1,V2 — SAE 8; Port T — SAE 10; Port S — SAE 4; Aluminum
  • J/S
    Ports C1,C2,V1,V2 — SAE 8; Port T — SAE 10; Port S — SAE 4; Iron
  • K
    Ports C1,C2,V1,V2 — SAE 10; Port T — SAE 10; Port S — SAE 6; Aluminum
  • K/S
    Ports C1,C2,V1,V2 — SAE 10; Port T — SAE 10; Port S — SAE 6; Iron
  • U
    Ports C1,C2,V1,V2 — 3/8" BSPP; Port T — 1/2" BSPP; Port S — 1/4" BSPP; Aluminum
  • U/S
    Ports C1,C2,V1,V2 — 3/8" BSPP; Port T — 1/2" BSPP; Port S — 1/4" BSPP; Iron
  • V
    Ports C1,C2,V1,V2 — 1/2" BSPP; Port T — 1/2" BSPP; Port S — 1/4" BSPP; Aluminum
  • V/S
    Ports C1,C2,V1,V2 — 1/2" BSPP; Port T — 1/2" BSPP; Port S — 1/4" BSPP; Iron
Model: YCCG

Dual cushion lock assembly with shuttle and anti-cavitation checks

Capacity:

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Model

YCCGLHNAK

   
   
Control
  • Standard Options
  • C
    Tamper Resistant - Factory Set
  • L
    Standard Screw Adjustment
  • Additional Options
  • R
    Lockwired Screw Adjustment
Functional Setting Range
  • Standard Options
  • A
    1000 - 4000 psi w/4 psi Check (70 - 280 bar w/ 0,3 bar Check), 3000 psi (210 bar) Standard Setting
  • B
    400 - 1500 psi w/4 psi Check (28 - 105 bar w/ 0,3 bar Check), 1000 psi (70 bar) Standard Setting
  • H
    1000 - 4000 psi w/25 psi Check (70 - 280 bar w/ 1,7 bar Check), 3000 psi (210 bar) Standard Setting
  • I
    400 - 1500 psi w/25 psi Check (28 - 105 bar w/ 1,7 bar Check), 1000 psi (70 bar) Standard Setting
Seal Material
  • Standard Options
  • N
    Buna-N
  • V
    Viton
Pilot Ratio (4th Letter) of Primary Cartridge
  • Standard Options
  • A
    3:1 (with CBCA primary cartridge, 3:1 pilot ratio, standard capacity counterbalance valve)
  • G
    4.5:1 (with CBCG primary cartridge, 4.5:1 pilot ratio, standard capacity counterbalance valve)
  • H
    10:1 (with CBCH primary cartridge, 10:1 pilot ratio, standard capacity counterbalance valve)
  • Y
    2:1 (with CBCY primary cartridge, 2:1 pilot ratio, standard capacity counterbalance valve)
  • A
    3:1 (with CBCAX primary cartridge, Fixed setting, 3:1 pilot ratio, standard capacity counterbalance valve)
  • G
    4.5:1 (with CBCGX primary cartridge, Fixed setting, 4.5:1 pilot ratio, standard capacity counterbalance valve)
  • H
    10:1 (with CBCHX primary cartridge, Fixed setting, 10:1 pilot ratio, standard capacity counterbalance valve)
  • Y
    2:1 (with CBCYX primary cartridge, Fixed setting, 2:1 pilot ratio, standard capacity counterbalance valve)
Port and Material Designation
  • Standard Options
  • B
    Ports C1,C2,V1,V2 — 3/8" NPTF; Port T — 1/2" NPTF; Port S — 1/4" NPTF; Aluminum
  • B/S
    Ports C1,C2,V1,V2 — 3/8" NPTF; Port T — 1/2" NPTF; Port S — 1/4" NPTF; Iron
  • C
    Ports C1,C2,V1,V2 — 1/2" NPTF; Port T — 1/2" NPTF; Port S — 1/4" NPTF; Aluminum
  • C/S
    Ports C1,C2,V1,V2 — 1/2" NPTF; Port T — 1/2" NPTF; Port S — 1/4" NPTF; Iron
  • J
    Ports C1,C2,V1,V2 — SAE 8; Port T — SAE 10; Port S — SAE 4; Aluminum
  • J/S
    Ports C1,C2,V1,V2 — SAE 8; Port T — SAE 10; Port S — SAE 4; Iron
  • K
    Ports C1,C2,V1,V2 — SAE 10; Port T — SAE 10; Port S — SAE 6; Aluminum
  • K/S
    Ports C1,C2,V1,V2 — SAE 10; Port T — SAE 10; Port S — SAE 6; Iron
  • U
    Ports C1,C2,V1,V2 — 3/8" BSPP; Port T — 1/2" BSPP; Port S — 1/4" BSPP; Aluminum
  • U/S
    Ports C1,C2,V1,V2 — 3/8" BSPP; Port T — 1/2" BSPP; Port S — 1/4" BSPP; Iron
  • V
    Ports C1,C2,V1,V2 — 1/2" BSPP; Port T — 1/2" BSPP; Port S — 1/4" BSPP; Aluminum
  • V/S
    Ports C1,C2,V1,V2 — 1/2" BSPP; Port T — 1/2" BSPP; Port S — 1/4" BSPP; Iron
Function
Function image

Technical specifications

  • Modifiers
    Ports
    • B, B/S
      Ports C1,C2,V1,V2: 3/8" NPTF; Port T: 1/2" NPTF; Port S: 1/4" NPTF;
    • C, C/S
      Ports C1,C2,V1,V2: 1/2" NPTF; Port T: 1/2" NPTF; Port S: 1/4" NPTF;
    • J, J/S
      Ports C1,C2,V1,V2: SAE 8; Port T: SAE 10; Port S: SAE 4;
    • K, K/S
      Ports C1,C2,V1,V2: SAE 10; Port T: SAE 10; Port S: SAE 6;
    • U, U/S
      Ports C1,C2,V1,V2: 3/8" BSPP; Port T: 1/2" BSPP; Port S: 1/4" BSPP;
    • V, V/S
      Ports C1,C2,V1,V2: 1/2" BSPP; Port T: 1/2" BSPP; Port S: 1/4" BSPP;
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    This valve assembly provides overrunning load-control and load-port relief protection and includes a load sense shuttle for brake release. Connecting the T port is optional and will supply make-up oil and may flush hot dirty oil out of the actuator. Oil coming out of the actuator may return to tank through either port T or the directional valve.

    • The counterbalance valves should be set at 1.3 times the maximum load induced pressure.
    • The term cushion in the name Cushion Lock is a misnomer. Because the counterbalance valves play a dual role as load controls and work port reliefs they must be set too high to provide any real cushion. Deceleration can only be achieved by ramping down the input flow.
    • Low pilot ratio counterbalance valves (3:1 vrs 10:1) may be necessary to generate enough pressure to release a brake.
    • Hydraulic motors leak. Therefore a mechanical brake is recommended to positively lock any stopped live load.
    • These packages are also available as 3 letter manifolds. Look under counterbalance.
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    • Body Type
      Line mount
    • Capacity
      15 gpm
    • Mounting Hole Diameter
      .34 in.
    • Mounting Hole Depth
      Through
    • Mounting Hole Quantity
      2
    • Why doesn't Sun anodize their aluminum bodies?
    • How big is a drop of hydraulic oil?  
    • Direct acting or pilot operated - what do I use?
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    • All SAE o-ring porting per ISO 11926. All NPTF porting per ANSI B1.20.1. All BSPP porting parallel thread.
    • For detailed information regarding the cartridges contained in this assembly, click on the models codes shown in the Included Components tab.
    • Important: Carefully consider the maximum system pressure. The pressure rating of the manifold is dependent on the manifold material, with the port type/size a secondary consideration. Manifolds constructed of aluminum are not rated for pressures higher than 3000 psi (210 bar), regardless of the port type/size specified.
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