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SUN HYDRAULICS
DSEXXDN


$159.24 USD
  • SUN HYDRAULICS
  • Material:DSEXXDN
  • Model:DSEX-XDN
  • 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 DSEXXDN (DSEXXDN) is a vent-to-shift, 2-position diverter valve that is normally closed. It operates by venting port 1, which causes the pressure differential between port 3 and port 1 to exceed the spring force, thereby shifting the valve and connecting port 3 with ports 2 and 4. This valve is not bistable and can modulate between its two positions. It features pressure-compensated vent flow out of port 1, which is detailed in technical data. The valve requires a pressure source at port 3 relative to port 1 for shifting. An application of this valve includes bypassing divider-combiner valves in limited-slip tractive circuits, allowing oil to flow through divider-combiner valves when closed or providing a large path around them for efficient high-speed operation when open. A single pilot valve can vent multiple diverter valves if blocking checks are used at each diverter's port 1; otherwise, interaction occurs between high and low-pressure circuit legs. The vent-to-shift function is self-cleaning and contamination-insensitive. Its hardened spool and sleeve ensure low spool leakage rates and excellent wear characteristics. The Sun floating style construction minimizes internal parts binding due to excessive installation torque or cavity/cartridge machining variations. Its specifications include a T32A cavity, Series 2, with a capacity of 30 gpm (120 L/min) and maximum operating pressure of 5000 psi (350 bar). The nominal vent flow is rated at 23 in\u00b3/min (0.38 L/min). The valve hex size measures at 1-1/8 inches (28.6 mm), with an installation torque range of 45-50 lbf ft (61-68 Nm). The model weight is approximately .70 lb (0.30 kg), and it utilizes a Viton seal kit cartridge (990032006).

This is a vent-to-shift, 2-position, diverter valve that is normally closed. When port 1 is vented, the pressure differential between port 3 and port 1 exceeds the spring force causing the valve to shift, thereby connecting port 3 with ports 2 and 4.

  • This valve is not bistable; it is capable of modulating between the two positions shown.
  • Vent flow out of port 1 is pressure compensated and is listed in Technical Data.
  • There must be a pressure source at port 3, relative to port 1, to shift the valve.
  • One application of this valve is to bypass divider/combiner valves in a limited-slip tractive circuit. Closed, the oil must go through the divider/combiner valves. Open, there is a large path around the divider/combiner valves for efficient high speed operation.
  • One pilot valve may be used to vent multiple diverter valves if blocking checks are used at port 1 of each diverter. If blocking checks are not used there will be interaction between high and low pressure legs of the circuit.
  • The vent-to-shift function is self cleaning and therefore insensitive to contamination.
  • 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-32A
Series 2
Capacity 30 gpm120 L/min.
Maximum Operating Pressure 5000 psi350 bar
Nominal Vent Flow 23 in³/min.0,38 L/min.
Valve Hex Size 1 1/8 in.28,6 mm
Valve Installation Torque 45 - 50 lbf ft61 - 68 Nm
Model Weight .70 lb0,30 kg
Seal kit - Cartridge Viton: 990-032-006

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