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SUN HYDRAULICS
DCECXXV


$385.30 USD
  • SUN HYDRAULICS
  • Material:DCECXXV
  • Model:DCEC-XXV
  • Summary:Cartridge

Quantity in stock: 0

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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 DCECXXV (DCECXXV) is a versatile three-position, 4-way directional cartridge valve, engineered for high-performance hydraulic systems. It features a spring-centered mechanism and six ports, including pilot ports (port 5 and port 6) that are positively sealed from the work ports, ensuring efficient operation and preventing leakage. Each of these ports can withstand pressures up to 5000 psi (350 bar), making the valve suitable for high-pressure applications. This model is configured with EPDM seals specifically designed for use with phosphate ester fluids; however, these seals must not be exposed to petroleum-based fluids as they can cause damage. The DCECXXV incorporates hardened spool and sleeve components which contribute to low spool leakage rates and exceptional wear characteristics. One of the distinctive features of this valve is Sun\u2019s floating style construction which minimizes internal part binding caused by excessive installation torque or variations in cavity/cartridge machining. This feature enhances the reliability and durability of the valve under various installation conditions. For operational specifications, the DCECXXV offers a flow capacity range from 25 to 100 gpm (95 to 380 L/min), with a minimum pilot pressure requirement of 125 psi (9 bar) necessary to shift the valve. The maximum operating pressure capability remains consistent at 5000 psi (350 bar). It also has a specified maximum valve leakage at 110 SUS (24 cSt) of 2 in\u00b3/min at 1000 psi (30 cc/min at 70 bar). The pilot volume displacement measures at approximately .17 in\u00b2(8 cc). Additionally, the model's hex size is standardized at 1-1/4 inches (31.8 mm), with an installation torque range between 150 -160 lbf ft (203 -217 Nm). The overall weight of the DCECXXV model is around 1.80 lbs (0.80 kg), making it a robust yet manageable component in hydraulic systems.

Three-position, 4-way directional cartridges are spring-centered, 6-port directional valves that can be configured from a choice of spool options. The supply port is port 3 and all ports will accept 5000 psi (350 bar). Capacity for these pilot-to-shift valves is dependent on the spool type specified.

  • All ports will accept 5000 psi (350 bar), including the x and y pilot ports (port 5 and port 6).
  • The reason for the different capacities, or performance limits, for the different spool configurations are flow forces. Flow forces are proportional to flow and pressure drop. Typically, they resist the opening of a passage. Spool configurations that open passages as they spring center are the most susceptible. If the flow forces due to the flow and pressure conditions exceed the centering spring force the valve may not shift completely. Higher flows may be used at lower pressures.
  • Leakage listed in technical data is for each path.
  • The pilot ports, 5 and 6, are positively sealed from the work ports.
  • Cartridges configured with EPDM seals are for use in systems with phosphate ester fluids. Exposure to petroleum based fluids, greases and lubricants will damage the seals.
  • Hardened spool and sleeve provide consistent and low spool leakage rates and excellent wear characteristics.
  • 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-63A
Series 3
Capacity 25 - 100 gpm95 - 380 L/min.
Minimum Pilot Pressure Required to Shift Valve 125 psi9 bar
Maximum Operating Pressure 5000 psi350 bar
Maximum Valve Leakage at 110 SUS (24 cSt) 2 in³/min.@1000 psi30 cc/min.@70 bar
Pilot Volume Displacement .17 in³2,8 cc
Valve Hex Size 1 1/4 in.31,8 mm
Valve Installation Torque 150 - 160 lbf ft203 - 217 Nm
Model Weight 1.80 lb0,80 kg
Seal kit - Cartridge Viton: 990-063-006

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