Search Error
Solutions
Relief

Model

YVDALANCK

Control
  • Standard Options
  • C
    Tamper Resistant - Factory Set
  • L
    Standard Screw Adjustment
  • Additional Options
  • K
    Handknob
  • N
    Capped Screw Adjustment with Lockwire Holes
  • O
    Handknob with Panel Mount
  • Q
    Capped and Lockwired
Adjustment Range
  • Preferred Options
  • A
    100 - 3000 psi (7 - 210 bar), 1000 psi (70 bar) Standard Setting
  • W
    150 - 4500 psi (10,5 - 315 bar), 1000 psi (70 bar) Standard Setting
  • Standard Options
  • B
    50 - 1500 psi (3,5 - 105 bar), 1000 psi (70 bar) Standard Setting
  • C
    150 - 6000 psi (10,5 - 420 bar), 1000 psi (70 bar) Standard Setting
  • D
    25 - 800 psi (1,7 - 55 bar), 400 psi (28 bar) Standard Setting
  • E
    25 - 400 psi (1,7 - 28 bar), 200 psi (14 bar) Standard Setting
  • Additional Options
  • G
    60 - 3000 psi (4 - 210 bar), 1000 psi (70 bar) Standard Setting
  • H
    30 - 3000 psi (2 - 210 bar), 1000 psi (70 bar) Standard Setting
  • Y
    30 - 4500 psi (2 - 315 bar), 1000 psi (70 bar) Standard Setting
Seal Material
  • Standard Options
  • N
    Buna-N
  • V
    Viton
Range Letter(s) of Subordinate Cartridge
  • Standard Options
  • A
    4 psi (0,3 bar) (with RVCA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • B
    15 psi (1 bar) (with RVCA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • C
    30 psi (2 bar) (with RVCA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • D
    50 psi (3,5 bar) (with RVCA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • E
    75 psi (5 bar) (with RVCA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • F
    100 psi (7 bar) (with RVCA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • Z
    1 psi (0,07 bar) (with RVCA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
Port and Material Designation
  • Standard Options
  • A
    Ports 1 & 2 — 1/4" NPTF; Port 3 — 1/4" NPTF; Aluminum
  • A/S
    Ports 1 & 2 — 1/4" NPTF; Port 3 — 1/4" NPTF; Iron
  • B
    Ports 1 & 2 — 3/8" NPTF; Port 3 — 1/4" NPTF; Aluminum
  • B/S
    Ports 1 & 2 — 3/8" NPTF; Port 3 — 1/4" NPTF; Iron
  • C
    Ports 1 & 2 — 1/2" NPTF; Port 3 — 1/4" NPTF; Aluminum
  • C/S
    Ports 1 & 2 — 1/2" NPTF; Port 3 — 1/4" NPTF; Iron
  • I
    Ports 1 & 2 — SAE 6; Port 3 — SAE 6; Aluminum
  • I/S
    Ports 1 & 2 — SAE 6; Port 3 — SAE 6; Iron
  • J
    Ports 1 & 2 — SAE 8; Port 3 — SAE 6; Aluminum
  • J/S
    Ports 1 & 2 — SAE 8; Port 3 — SAE 6; Iron
  • K
    Ports 1 & 2 — SAE 10; Port 3 — SAE 6; Aluminum
  • K/S
    Ports 1 & 2 — SAE 10; Port 3 — SAE 6; Iron
  • T
    Ports 1 & 2 — 1/4" BSPP; Port 3 — 1/4" BSPP; Aluminum
  • T/S
    Ports 1 & 2 — 1/4" BSPP; Port 3 — 1/4" BSPP; Iron
  • U
    Ports 1 & 2 — 3/8" BSPP; Port 3 — 1/4" BSPP; Aluminum
  • U/S
    Ports 1 & 2 — 3/8" BSPP; Port 3 — 1/4" BSPP; Iron
  • V
    Ports 1 & 2 — 1/2" BSPP; Port 2 — 1/4" BSPP; Aluminum
  • V/S
    Ports 1 & 2 — 1/2" BSPP; Port 2 — 1/4" BSPP; Iron

Model: YVDA

Vented relief assembly with reverse flow check

Capacity:

Model

YVDALANCK

Control
  • Standard Options
  • C
    Tamper Resistant - Factory Set
  • L
    Standard Screw Adjustment
  • Additional Options
  • K
    Handknob
  • N
    Capped Screw Adjustment with Lockwire Holes
  • O
    Handknob with Panel Mount
  • Q
    Capped and Lockwired
Adjustment Range
  • Preferred Options
  • A
    100 - 3000 psi (7 - 210 bar), 1000 psi (70 bar) Standard Setting
  • W
    150 - 4500 psi (10,5 - 315 bar), 1000 psi (70 bar) Standard Setting
  • Standard Options
  • B
    50 - 1500 psi (3,5 - 105 bar), 1000 psi (70 bar) Standard Setting
  • C
    150 - 6000 psi (10,5 - 420 bar), 1000 psi (70 bar) Standard Setting
  • D
    25 - 800 psi (1,7 - 55 bar), 400 psi (28 bar) Standard Setting
  • E
    25 - 400 psi (1,7 - 28 bar), 200 psi (14 bar) Standard Setting
  • Additional Options
  • G
    60 - 3000 psi (4 - 210 bar), 1000 psi (70 bar) Standard Setting
  • H
    30 - 3000 psi (2 - 210 bar), 1000 psi (70 bar) Standard Setting
  • Y
    30 - 4500 psi (2 - 315 bar), 1000 psi (70 bar) Standard Setting
Seal Material
  • Standard Options
  • N
    Buna-N
  • V
    Viton
Range Letter(s) of Subordinate Cartridge
  • Standard Options
  • A
    4 psi (0,3 bar) (with RVCA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • B
    15 psi (1 bar) (with RVCA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • C
    30 psi (2 bar) (with RVCA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • D
    50 psi (3,5 bar) (with RVCA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • E
    75 psi (5 bar) (with RVCA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • F
    100 psi (7 bar) (with RVCA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • Z
    1 psi (0,07 bar) (with RVCA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
Port and Material Designation
  • Standard Options
  • A
    Ports 1 & 2 — 1/4" NPTF; Port 3 — 1/4" NPTF; Aluminum
  • A/S
    Ports 1 & 2 — 1/4" NPTF; Port 3 — 1/4" NPTF; Iron
  • B
    Ports 1 & 2 — 3/8" NPTF; Port 3 — 1/4" NPTF; Aluminum
  • B/S
    Ports 1 & 2 — 3/8" NPTF; Port 3 — 1/4" NPTF; Iron
  • C
    Ports 1 & 2 — 1/2" NPTF; Port 3 — 1/4" NPTF; Aluminum
  • C/S
    Ports 1 & 2 — 1/2" NPTF; Port 3 — 1/4" NPTF; Iron
  • I
    Ports 1 & 2 — SAE 6; Port 3 — SAE 6; Aluminum
  • I/S
    Ports 1 & 2 — SAE 6; Port 3 — SAE 6; Iron
  • J
    Ports 1 & 2 — SAE 8; Port 3 — SAE 6; Aluminum
  • J/S
    Ports 1 & 2 — SAE 8; Port 3 — SAE 6; Iron
  • K
    Ports 1 & 2 — SAE 10; Port 3 — SAE 6; Aluminum
  • K/S
    Ports 1 & 2 — SAE 10; Port 3 — SAE 6; Iron
  • T
    Ports 1 & 2 — 1/4" BSPP; Port 3 — 1/4" BSPP; Aluminum
  • T/S
    Ports 1 & 2 — 1/4" BSPP; Port 3 — 1/4" BSPP; Iron
  • U
    Ports 1 & 2 — 3/8" BSPP; Port 3 — 1/4" BSPP; Aluminum
  • U/S
    Ports 1 & 2 — 3/8" BSPP; Port 3 — 1/4" BSPP; Iron
  • V
    Ports 1 & 2 — 1/2" BSPP; Port 2 — 1/4" BSPP; Aluminum
  • V/S
    Ports 1 & 2 — 1/2" BSPP; Port 2 — 1/4" BSPP; Iron
Function
Function image

Technical specifications

  • Modifiers
    Ports
    • A, A/S
      Ports 1 & 2: 1/4" NPTF; Port 3: 1/4" NPTF;
    • B, B/S
      Ports 1 & 2: 3/8" NPTF; Port 3: 1/4" NPTF;
    • C, C/S
      Ports 1 & 2: 1/2" NPTF; Port 3: 1/4" NPTF;
    • I, I/S
      Ports 1 & 2: SAE 6; Port 3: SAE 6;
    • J, J/S
      Ports 1 & 2: SAE 8; Port 3: SAE 6;
    • K, K/S
      Ports 1 & 2: SAE 10; Port 3: SAE 6;
    • T, T/S
      Ports 1 & 2: 1/4" BSPP; Port 3: 1/4" BSPP;
    • U, U/S
      Ports 1 & 2: 3/8" BSPP; Port 3: 1/4" BSPP;
    • V, V/S
      Ports 1 & 2: 1/2" BSPP; Port 2: 1/4" BSPP;
    Back to Top

    This assembly provides 2 functions. It relieves pressure from (port 1) to tank (port 2) when pressure at port 1 exceeds the setting of the valve. The external port 3 allows the valve to be vented by an external 2-way, 2-postion valve allowing the valve to drop the pressure setting to a minimal level. The external valve could be either normally open meaning the pressure is at a low level until the valve is closed or normally closed meaning the pressure is at high level until the valve is open. The check valve allows reverse flow from port 2 to port 1.

    • Not suitable for use in load holding applications due to spool leakage.
    • Back pressure on the tank port (port 2) is directly additive to the valve setting at a 1:1 ratio.
    Back to Top
    • Body Type
      Line mount
    • Capacity
      15 gpm
    • Mounting Hole Diameter
      .28 in.
    • Mounting Hole Depth
      Through
    • Mounting Hole Quantity
      2

    Model CAD Files

    Files not yet avialable. Click below to request them.

    Back to Top
    • 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?
      • Back to Top
    • 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.
    • For detailed information regarding the cartridges contained in this assembly, click on the models codes shown in the Included Components tab.
    Back to Top