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DDM and SDM Modular Valves

Dualine DDM and SDM lubricating valves have many advantages over traditional line mounted models. All working parts are in the module and these modules are fitted to base manifolds, which are permanently fitted to the centralized lubrication system. The double discharge module DDM feeds two lubrication points on alternative system cycles while the single discharge module SDM feeds a single lubrication point on each cycle.

A mixture of double and single discharge modules can be fitted to each manifold either for assembly to serve an odd number of bearings or to give a greater lubricant quantity to selected points. Three sizes of modules can be supplied to cover a wide range of metered application volumes.

Features

Modules

  • Each module can be individually adjusted within its capacity to suit the bearing requirements.
  • A malfunctioning module can be changed in seconds, reducing maintenance time and costs.
  • Positive hydraulic operation – Within design limitations, these valve assemblies can be mounted long distances from the central pumping station.
  • Visual indicator showing operation of each module.
  • Body protected by corrosion resistant electrophoretic paint.

Manifolds

  • Manifolds can be permanently fixed to the lubrication system pipework before valves are fitted, reducing possibility of contamination during installation period.
  • O-ring recesses are fitted into the top of the adapter so that the fitter can observe the condition of the O-rings when he is fitting the module.
  • Manifolds are available in various sizes for multiple module configurations.

TECHNICAL DATA

Maximum Supply Pressure5075 psi (350 bar)
Temperature Range-5˚F to 248˚F (-20˚C to 120˚C)
-5˚F to 194˚F (-20˚C to 90˚C)
LubricantOil or grease (NLGI grade 3 max)
Materials
BodySteel – Electrophoretically painted
PistonsHardened steel
Packing glandDDM1/SDM1, DDM5/SDM5 – Brass
DDM15/SDM15 – Steel
SealsDDM1/SDM1; DDM5/SDM5 – Viton
DDM15/SDM15 – Nitrile
Indicator stemStainless steel

 

ModelDischarge per piston stroke
MinimumMaximum
DDM10.1cc (0.006 cu. in.)1.0cc (0.06 cu. in.)
SDM10.2cc (0.012 cu. in.)2.0cc (0.12 cu. in.)
DDM50.5cc (0.031 cu. in.)5.0cc (0.31 cu. in.)
SDM51.0cc (0.061 cu. in.)10.0cc (0.61 cu. in.)
DDM153.0cc (0.183 cu. in.)15.0cc (0.92 cu. in.)
SDM156.0cc (0.366 cu. in.)30.0cc (1.83 cu. in.)

 

How To Order

The DDM & SDM Modular Valves feature a smart part number ordering system. Choose the module type, valve size and visual indicator. For example: To order a DDM module, valve size DDM15, without a visual indicator, you would use Part #DDM15A0000.

How to order DDM and SDM
 

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