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Relief
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Model

YREYLANCK

   
   
Control
  • Standard Options
  • C
    Tamper Resistant - Factory Set
  • K
    Handknob
  • L
    Standard Screw Adjustment
  • W
    Hex Wrench Adjustment
  • Y
    Tri-Grip Handknob
  • Additional Options
  • M
    Capped Screw Adjustment with Lockwire Holes
  • O
    Handknob with Panel Mount
  • Q
    Capped and Lockwired
Adjustment Range
  • Standard Options
  • A
    100 - 3000 psi (7 - 210 bar), 1000 psi (70 bar) Standard Setting
  • 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
  • N
    60 - 800 psi (4 - 55 bar), 400 psi (28 bar) Standard Setting
  • Q
    60 - 400 psi (4 - 28 bar), 200 psi (14 bar) Standard Setting
  • W
    150 - 4500 psi (10,5 - 315 bar), 1000 psi (70 bar) Standard Setting
  • Additional Options
  • F
    75 - 6000 psi (5 - 420 bar), 1000 psi (70 bar) Standard Setting
  • 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
  • I
    15 - 1500 psi (1 - 105 bar), 1000 psi (70 bar) Standard Setting
  • J
    25 - 1500 psi (1,7 - 105 bar), 1000 psi (70 bar) Standard Setting
  • K
    75 - 1500 psi (5 - 105 bar), 1000 psi (70 bar) Standard Setting
  • L
    15 - 800 psi (1 - 55 bar), 400 psi (28 bar) Standard Setting
  • M
    40 - 800 psi (2,8 - 55 bar), 400 psi (28 bar) Standard Setting
  • O
    15 - 400 psi (1 - 28 bar), 200 psi (14 bar) Standard Setting
  • P
    40 - 400 psi (2,8 - 28 bar), 200 psi (14 bar) Standard Setting
  • R
    15 - 200 psi (1 - 14 bar), 100 psi (7 bar) Standard Setting
  • S
    25 - 200 psi (1,7 - 14 bar), 100 psi (7 bar) Standard Setting
  • T
    40 - 200 psi (2,8 - 14 bar), 100 psi (7 bar) Standard Setting
  • U
    60 - 200 psi (4 - 14 bar), 100 psi (7 bar) Standard Setting
  • V
    150 - 800 psi (10,5 - 55 bar), 400 psi (28 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 RVEA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • B
    15 psi (1 bar) (with RVEA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • C
    30 psi (2 bar) (with RVEA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • D
    50 psi (3,5 bar) (with RVEA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • E
    75 psi (5 bar) (with RVEA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • F
    100 psi (7 bar) (with RVEA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • Z
    1 psi (0,07 bar) (with RVEA 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; Gage Port — 1/4" NPTF; Aluminum
  • A/S
    Ports 1 & 2 — 1/4" NPTF; Port 3 — 1/4" NPTF; Gage Port — 1/4" NPTF; Iron
  • B
    Ports 1 & 2 — 3/8" NPTF; Port 3 — 1/4" NPTF; Gage Port — 1/4" NPTF; Aluminum
  • B/S
    Ports 1 & 2 — 3/8" NPTF; Port 3 — 1/4" NPTF; Gage Port — 1/4" NPTF; Iron
  • C
    Ports 1 & 2 — 1/2" NPTF; Port 3 — 1/4" NPTF; Gage Port — 1/4" NPTF; Aluminum
  • C/S
    Ports 1 & 2 — 1/2" NPTF; Port 3 — 1/4" NPTF; Gage Port — 1/4" NPTF; Iron
  • D
    Ports 1 & 2 — 3/4" NPTF; Port 3 — 1/4" NPTF; Gage Port — 1/4" NPTF; Aluminum
  • D/S
    Ports 1 & 2 — 3/4" NPTF; Port 3 — 1/4" NPTF; Gage Port — 1/4" NPTF; Iron
  • I
    Ports 1 & 2 — SAE 6; Port 3 — SAE 6; Gage Port — 1/4" NPTF; Aluminum
  • I/S
    Ports 1 & 2 — SAE 6; Port 3 — SAE 6; Gage Port — 1/4" NPTF; Iron
  • J
    Ports 1 & 2 — SAE 8; Port 3 — SAE 6; Gage Port — 1/4" NPTF; Aluminum
  • J/S
    Ports 1 & 2 — SAE 8; Port 3 — SAE 6; Gage Port — 1/4" NPTF; Iron
  • K
    Ports 1 & 2 — SAE 10; Port 3 — SAE 6; Gage Port — 1/4" NPTF; Aluminum
  • K/S
    Ports 1 & 2 — SAE 10; Port 3 — SAE 6; Gage Port — 1/4" NPTF; Iron
  • U
    Ports 1 & 2 — 3/8" BSPP; Port 3 — 1/4" BSPP; Gage Port — 1/4" BSPP; Aluminum
  • U/S
    Ports 1 & 2 — 3/8" BSPP; Port 3 — 1/4" BSPP; Gage Port — 1/4" BSPP; Iron
  • V
    Ports 1 & 2 — 1/2" BSPP; Port 3 — 1/4" BSPP; Gage Port — 1/4" BSPP; Aluminum
  • V/S
    Ports 1 & 2 — 1/2" BSPP; Port 3 — 1/4" BSPP; Gage Port — 1/4" BSPP; Iron
  • W
    Ports 1 & 2 — 3/4" BSPP; Port 3 — 1/4" BSPP; Gage Port — 1/4" BSPP; Aluminum
  • W/S
    Ports 1 & 2 — 3/4" BSPP; Port 3 — 1/4" BSPP; Gage Port — 1/4" BSPP; Iron
Model: YREY

Vented relief assembly with reverse flow check

Capacity:

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Model

YREYLANCK

   
   
Control
  • Standard Options
  • C
    Tamper Resistant - Factory Set
  • K
    Handknob
  • L
    Standard Screw Adjustment
  • W
    Hex Wrench Adjustment
  • Y
    Tri-Grip Handknob
  • Additional Options
  • M
    Capped Screw Adjustment with Lockwire Holes
  • O
    Handknob with Panel Mount
  • Q
    Capped and Lockwired
Adjustment Range
  • Standard Options
  • A
    100 - 3000 psi (7 - 210 bar), 1000 psi (70 bar) Standard Setting
  • 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
  • N
    60 - 800 psi (4 - 55 bar), 400 psi (28 bar) Standard Setting
  • Q
    60 - 400 psi (4 - 28 bar), 200 psi (14 bar) Standard Setting
  • W
    150 - 4500 psi (10,5 - 315 bar), 1000 psi (70 bar) Standard Setting
  • Additional Options
  • F
    75 - 6000 psi (5 - 420 bar), 1000 psi (70 bar) Standard Setting
  • 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
  • I
    15 - 1500 psi (1 - 105 bar), 1000 psi (70 bar) Standard Setting
  • J
    25 - 1500 psi (1,7 - 105 bar), 1000 psi (70 bar) Standard Setting
  • K
    75 - 1500 psi (5 - 105 bar), 1000 psi (70 bar) Standard Setting
  • L
    15 - 800 psi (1 - 55 bar), 400 psi (28 bar) Standard Setting
  • M
    40 - 800 psi (2,8 - 55 bar), 400 psi (28 bar) Standard Setting
  • O
    15 - 400 psi (1 - 28 bar), 200 psi (14 bar) Standard Setting
  • P
    40 - 400 psi (2,8 - 28 bar), 200 psi (14 bar) Standard Setting
  • R
    15 - 200 psi (1 - 14 bar), 100 psi (7 bar) Standard Setting
  • S
    25 - 200 psi (1,7 - 14 bar), 100 psi (7 bar) Standard Setting
  • T
    40 - 200 psi (2,8 - 14 bar), 100 psi (7 bar) Standard Setting
  • U
    60 - 200 psi (4 - 14 bar), 100 psi (7 bar) Standard Setting
  • V
    150 - 800 psi (10,5 - 55 bar), 400 psi (28 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 RVEA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • B
    15 psi (1 bar) (with RVEA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • C
    30 psi (2 bar) (with RVEA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • D
    50 psi (3,5 bar) (with RVEA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • E
    75 psi (5 bar) (with RVEA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • F
    100 psi (7 bar) (with RVEA primary cartridge, Ventable, pilot-operated, balanced piston relief valve)
  • Z
    1 psi (0,07 bar) (with RVEA 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; Gage Port — 1/4" NPTF; Aluminum
  • A/S
    Ports 1 & 2 — 1/4" NPTF; Port 3 — 1/4" NPTF; Gage Port — 1/4" NPTF; Iron
  • B
    Ports 1 & 2 — 3/8" NPTF; Port 3 — 1/4" NPTF; Gage Port — 1/4" NPTF; Aluminum
  • B/S
    Ports 1 & 2 — 3/8" NPTF; Port 3 — 1/4" NPTF; Gage Port — 1/4" NPTF; Iron
  • C
    Ports 1 & 2 — 1/2" NPTF; Port 3 — 1/4" NPTF; Gage Port — 1/4" NPTF; Aluminum
  • C/S
    Ports 1 & 2 — 1/2" NPTF; Port 3 — 1/4" NPTF; Gage Port — 1/4" NPTF; Iron
  • D
    Ports 1 & 2 — 3/4" NPTF; Port 3 — 1/4" NPTF; Gage Port — 1/4" NPTF; Aluminum
  • D/S
    Ports 1 & 2 — 3/4" NPTF; Port 3 — 1/4" NPTF; Gage Port — 1/4" NPTF; Iron
  • I
    Ports 1 & 2 — SAE 6; Port 3 — SAE 6; Gage Port — 1/4" NPTF; Aluminum
  • I/S
    Ports 1 & 2 — SAE 6; Port 3 — SAE 6; Gage Port — 1/4" NPTF; Iron
  • J
    Ports 1 & 2 — SAE 8; Port 3 — SAE 6; Gage Port — 1/4" NPTF; Aluminum
  • J/S
    Ports 1 & 2 — SAE 8; Port 3 — SAE 6; Gage Port — 1/4" NPTF; Iron
  • K
    Ports 1 & 2 — SAE 10; Port 3 — SAE 6; Gage Port — 1/4" NPTF; Aluminum
  • K/S
    Ports 1 & 2 — SAE 10; Port 3 — SAE 6; Gage Port — 1/4" NPTF; Iron
  • U
    Ports 1 & 2 — 3/8" BSPP; Port 3 — 1/4" BSPP; Gage Port — 1/4" BSPP; Aluminum
  • U/S
    Ports 1 & 2 — 3/8" BSPP; Port 3 — 1/4" BSPP; Gage Port — 1/4" BSPP; Iron
  • V
    Ports 1 & 2 — 1/2" BSPP; Port 3 — 1/4" BSPP; Gage Port — 1/4" BSPP; Aluminum
  • V/S
    Ports 1 & 2 — 1/2" BSPP; Port 3 — 1/4" BSPP; Gage Port — 1/4" BSPP; Iron
  • W
    Ports 1 & 2 — 3/4" BSPP; Port 3 — 1/4" BSPP; Gage Port — 1/4" BSPP; Aluminum
  • W/S
    Ports 1 & 2 — 3/4" BSPP; Port 3 — 1/4" BSPP; Gage Port — 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; Gage Port: 1/4" NPTF;
    • B, B/S
      Ports 1 & 2: 3/8" NPTF; Port 3: 1/4" NPTF; Gage Port: 1/4" NPTF;
    • C, C/S
      Ports 1 & 2: 1/2" NPTF; Port 3: 1/4" NPTF; Gage Port: 1/4" NPTF;
    • D, D/S
      Ports 1 & 2: 3/4" NPTF; Port 3: 1/4" NPTF; Gage Port: 1/4" NPTF;
    • I, I/S
      Ports 1 & 2: SAE 6; Port 3: SAE 6; Gage Port: 1/4" NPTF;
    • J, J/S
      Ports 1 & 2: SAE 8; Port 3: SAE 6; Gage Port: 1/4" NPTF;
    • K, K/S
      Ports 1 & 2: SAE 10; Port 3: SAE 6; Gage Port: 1/4" NPTF;
    • U, U/S
      Ports 1 & 2: 3/8" BSPP; Port 3: 1/4" BSPP; Gage Port: 1/4" BSPP;
    • V, V/S
      Ports 1 & 2: 1/2" BSPP; Port 3: 1/4" BSPP; Gage Port: 1/4" BSPP;
    • W, W/S
      Ports 1 & 2: 3/4" BSPP; Port 3: 1/4" BSPP; Gage Port: 1/4" BSPP;
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    This assembly consists of a 30 PSI check and a pilot-operated, balanced-piston relief cartridge which is a normally closed pressure regulating valve. When the pressure at the inlet (P port) reaches the valve setting, the valve starts to open to tank (T port), throttling flow to regulate the pressure. These valves are accurate, have low pressure rise vs. flow, they are smooth and quiet, and are moderately fast.

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    • Body Type
      Line mount
    • Capacity
      30 gpm
    • Mounting Hole Diameter
      .28 in.
    • 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?
      • 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.
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