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SUN HYDRAULICS
FRDAKBN


$95.70 USD

Tags:

  • SUN HYDRAULICS
  • Material:FRDAKBN
  • Model:FRDA-KBN
  • Summary:Cartridge

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***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Sun Hydraulics directly.***
The Sun Hydraulics FRDAKBN (FRDAKBN) is a bypass-restrictive, fixed-orifice priority flow control valve designed to manage input flow efficiently across hydraulic systems. It directs the input flow from port 1 to satisfy the priority flow at port 3, and any excess flow is bypassed through port 2, which can be utilized in secondary circuits. This valve requires the customer to specify a flow rating, with factory settings accurate within 10% of the requested rate. The maximum pressure at port 3 should not exceed 3000 psi (210 bar), while both priority and bypass flows can operate up to system pressure limits. The FRDAKBN maintains consistent priority flow regardless of input variations, though bypass flow only becomes available once priority needs are met. Notably, pressure at the bypass port (port 2) may surpass that at the priority port (port 3). Its sharp-edged orifice design mitigates flow variation due to viscosity changes, ensuring reliable performance. An adjustable control option allows for a \u00b125% variation from the nominal factory preset with an easy three-turn screw adjustment. Constructed with Sun's floating style mechanism, this model minimizes risks of internal binding due to installation torque or machining discrepancies. It fits a T-2A cavity and belongs to series 2 with a capacity of up to 12 gpm (45 L/min). The valve operates under a maximum pressure of 5000 psi (350 bar) and accommodates an input flow up to 30 gpm (120 L/min). For installation, it requires a hex size of 1-1/8 inch (28.6 mm) and torque between 45-50 lbf ft (61-68 Nm). The adjustment screw has an internal hex size of 5/32 inch (4 mm), while the locknut requires a hex size of 9/16 inch (15 mm) and torque between 80-90 lbf in (9-10 Nm). The model weighs .40 lb (.20 kg) and uses Viton seal kits for cartridge sealing.

Bypass/restrictive, fixed-orifice, priority flow controls take an input flow at port 1 and use it to satisfy the priority flow at port 3. If the input flow exceeds the priority flow requirement, the excess is bypassed out port 2. The bypass flow may be used in a secondary circuit.

  • Customer must specify a flow rating. Factory set flow ratings are within +/- 10% of the requested setting.
  • Maximum pressure at port 3 should be limited to 3000 psi (210 bar).
  • Both priority and bypass flow are usable up to the system operating pressure.
  • Priority remains relatively constant regardless of variation in input flow.
  • Bypass flow is not available until priority flow requirements are satisfied.
  • Pressure at the bypass port (port 2) may exceed pressure at the priority port (port 3).
  • The sharp-edged orifice design minimizes flow variations due to viscosity changes.
  • A tuneable adjustment control option provides up to +/- 25% variation from the nominal factory pre-set flow. Adjustment is done with +/- 3 turns of the adjust screw. Screw in (CW) to increase flow.
  • 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.

Cavity T-2A
Series 2
Capacity 12 gpm45 L/min.
Maximum Operating Pressure 5000 psi350 bar
Maximum Input Flow 30 gpm120 L/min.
Valve Hex Size 1 1/8 in.28,6 mm
Valve Installation Torque 45 - 50 lbf ft61 - 68 Nm
Adjustment Screw Internal Hex Size 5/32 in.4 mm
Locknut Hex Size 9/16 in.15 mm
Locknut Torque 80 - 90 lbf in.9 - 10 Nm
Model Weight .40 lb0,20 kg
Seal kit - Cartridge Viton: 990-202-006

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