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DW (Distributing Valve)


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DW type distributing valve is used for dual line system. The ports are doubled in number from single discharging type (1 port/element) to dual discharging type (2 ports/element) for saving space.

• Double the Number of Discharging Ports
Only half the conventional number of distributing valves is needed for the required number of lubricating ports. This simplifies installation and the piping configuration.
• Odd Number of Ports Easily Supported
Dual discharging can be easily changed to single discharging by simply reassembling the cross-port hexagon socket head flat plug on the right end to the discharging port. (See below for details on change method.)
• Maximum Operating Pressure of 21 MPa
Application of higher pressure improves lubrication reliability and enables lubrication over a wider area.
• Same Installation Dimensions
The installation dimensions of DW-30, 40 and 50 types are all the same. This means that connections between distributing valves and resizing can be easily performed.
• Solid, Outstanding Durability


Distributing valve size 20 30 40 50
Max. operating pressure (MPa) 21
Pressure resistance (MPa) 31.5
Grease Used Centralized lubricating grease NLGI consistency #0 to #2
Min. operating pressure (MPa) 1.8 1 1 1
Discharge quantity (cm3/stroke max.) 0.6 1.2 2.5 5.0
   (cm3/stroke min.) 0.15 0.2 0.6 1.2
Adjustment amount per rotation of adjusting screw (cm) 0.04 0.06 0.10 0.15
Loss (cm3) 0.17 0.20 0.20 0.20

Note) “Loss” refers to the amount of oil required for operating the pilot piston.When this distributing valve is used for oil, set the pressure below 10MPa.

Explanation of Model Symbols

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