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Relief
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Model

YRFMLANC

Control
  • Standard Options
  • C
    Tamper Resistant - Factory Set
  • K
    Handknob
  • L
    Standard Screw Adjustment
  • Additional Options
  • Q
    Capped and Lockwired
Adjustment Range
  • Standard Options
  • A
    500 - 3000 psi (35 - 210 bar), 1000 psi (70 bar) Standard Setting
  • C
    1000 - 6000 psi (70 - 420 bar), 1000 psi (70 bar) Standard Setting
  • D
    200 - 800 psi (14 - 55 bar), 400 psi (28 bar) Standard Setting
  • E
    100 - 400 psi (7 - 28 bar), 200 psi (14 bar) Standard Setting
  • S
    50 - 200 psi (3,5 - 14 bar), 100 psi (7 bar) Standard Setting
  • W
    800 - 4500 psi (55 - 315 bar), 1000 psi (70 bar) Standard Setting
  • Additional Options
  • B
    300 - 1500 psi (20 - 105 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 RDFA primary cartridge, Direct-acting relief valve)
  • B
    15 psi (1 bar) (with RDFA primary cartridge, Direct-acting relief valve)
  • C
    30 psi (2 bar) (with RDFA primary cartridge, Direct-acting relief valve)
  • D
    50 psi (3,5 bar) (with RDFA primary cartridge, Direct-acting relief valve)
  • E
    75 psi (5 bar) (with RDFA primary cartridge, Direct-acting relief valve)
  • F
    100 psi (7 bar) (with RDFA primary cartridge, Direct-acting relief valve)
  • Z
    1 psi (0,07 bar) (with RDFA primary cartridge, Direct-acting relief valve)
  • A
    4 psi (0,3 bar) (with RDFA3 primary cartridge, Non-adjustable direct-acting relief valve)
  • B
    15 psi (1 bar) (with RDFA3 primary cartridge, Non-adjustable direct-acting relief valve)
  • C
    30 psi (2 bar) (with RDFA3 primary cartridge, Non-adjustable direct-acting relief valve)
  • D
    50 psi (3,5 bar) (with RDFA3 primary cartridge, Non-adjustable direct-acting relief valve)
  • E
    75 psi (5 bar) (with RDFA3 primary cartridge, Non-adjustable direct-acting relief valve)
  • F
    100 psi (7 bar) (with RDFA3 primary cartridge, Non-adjustable direct-acting relief valve)
  • Z
    1 psi (0,07 bar) (with RDFA3 primary cartridge, Non-adjustable direct-acting relief valve)
Model: YRFM

Dual, cross-port relief assembly with anti-cavitation checks

Capacity:

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Model

YRFMLANC

Control
  • Standard Options
  • C
    Tamper Resistant - Factory Set
  • K
    Handknob
  • L
    Standard Screw Adjustment
  • Additional Options
  • Q
    Capped and Lockwired
Adjustment Range
  • Standard Options
  • A
    500 - 3000 psi (35 - 210 bar), 1000 psi (70 bar) Standard Setting
  • C
    1000 - 6000 psi (70 - 420 bar), 1000 psi (70 bar) Standard Setting
  • D
    200 - 800 psi (14 - 55 bar), 400 psi (28 bar) Standard Setting
  • E
    100 - 400 psi (7 - 28 bar), 200 psi (14 bar) Standard Setting
  • S
    50 - 200 psi (3,5 - 14 bar), 100 psi (7 bar) Standard Setting
  • W
    800 - 4500 psi (55 - 315 bar), 1000 psi (70 bar) Standard Setting
  • Additional Options
  • B
    300 - 1500 psi (20 - 105 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 RDFA primary cartridge, Direct-acting relief valve)
  • B
    15 psi (1 bar) (with RDFA primary cartridge, Direct-acting relief valve)
  • C
    30 psi (2 bar) (with RDFA primary cartridge, Direct-acting relief valve)
  • D
    50 psi (3,5 bar) (with RDFA primary cartridge, Direct-acting relief valve)
  • E
    75 psi (5 bar) (with RDFA primary cartridge, Direct-acting relief valve)
  • F
    100 psi (7 bar) (with RDFA primary cartridge, Direct-acting relief valve)
  • Z
    1 psi (0,07 bar) (with RDFA primary cartridge, Direct-acting relief valve)
  • A
    4 psi (0,3 bar) (with RDFA3 primary cartridge, Non-adjustable direct-acting relief valve)
  • B
    15 psi (1 bar) (with RDFA3 primary cartridge, Non-adjustable direct-acting relief valve)
  • C
    30 psi (2 bar) (with RDFA3 primary cartridge, Non-adjustable direct-acting relief valve)
  • D
    50 psi (3,5 bar) (with RDFA3 primary cartridge, Non-adjustable direct-acting relief valve)
  • E
    75 psi (5 bar) (with RDFA3 primary cartridge, Non-adjustable direct-acting relief valve)
  • F
    100 psi (7 bar) (with RDFA3 primary cartridge, Non-adjustable direct-acting relief valve)
  • Z
    1 psi (0,07 bar) (with RDFA3 primary cartridge, Non-adjustable direct-acting relief valve)
See CAD Files tab below to request images.
Function
Function image

Technical specifications

  • Modifiers
    Ports
    • B, B/S
      All Ports: 3/8" NPTF;
    • C, C/S
      All Ports: 1/2" NPTF;
    • D, D/S
      All Ports: 3/4" NPTF;
    • J, J/S
      All Ports: SAE 8;
    • K, K/S
      All Ports: SAE 10;
    • L, L/S
      All Ports: SAE 12;
    • U, U/S
      All Ports: 3/8" BSPP;
    • V, V/S
      All Ports: 1/2" BSPP;
    • W, W/S
      All Ports: 3/4" BSPP;
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    This assembly provides cross-port relief and anti-cavitation protection between ports 1 and 2.

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    • Capacity
      50 gpm
    • Mounting Hole Diameter
      .34 in.
    • Mounting Hole Depth
      Through
    • Mounting Hole Quantity
      2

    Model CAD Files

    Files not yet avialable. Click below to request them.

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    • 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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    • 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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