Oil-Rite Corporation > PurgeX® Oil and Grease Dispensing > PurgeX for Oil Dispensing > Purgex Ultra-Micro Output > Ultra-Micro Output PurgeX - Spray Dispensing - Air Operated > With Longer Nozzle > With Buna-N Seals > Item # B3584-101X12  

Item # B3584-101X12, Ultra-Micro Output Air Operated Spray PurgeX for Liquid or Grease, 1 Feed, Buna-N Seals, 12” Nozzle

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Ultra-Micro Output Air Operated Spray PurgeX for Liquid or Grease has the ability to deliver extremely fine, precise amounts of lubricant with each cycle.  It has the same characteristics as standard PurgeX, but uses a smaller diameter piston.  This results in a very fine degree of control over a greatly reduced output volume.  It is particularly adept for use with near-dry machining.  Precise volumetric delivery is achieved with the positive displacement design. 


This PurgeX is operated with compressed air between 40 to 120 PSI.  An integral 12” coaxial spray nozzle is flexible yet rigid enough to allow for precise positioning.  Lubricant and air mix at the nozzle tip to atomize the fluid.  There is a separate needle control for air flow to the nozzle.  No additional air supply or separate air regulator is required, making this a highly efficient spray method.


The body is made of anodized aluminum alloy and the unit tolerates temperatures from -15° F to 180° F.  Buna-N seals are used.  This PurgeX can be used with liquid or grease grades 00, 0, 1 and 2.   The piston diameter is .125” and can travel as much as .100” per stroke.  The liquid/grease delivery per cycle is adjustable between 0 to .0012 cubic inches.   The air and liquid inlet are both 1/8” female NPT.  This is a single feed unit that is 1 31/32” in length and 4.16” in height.  There is a 9/32” dia mounting hole.


For applications with multiple feed points, internal Threadapter connections provide common air and lubricant lines for all PurgeX pumps in the same manifold.  It is easy to connect additional PurgeX pumps.  Each PurgeX in the manifold operates as an individual pump with a separate adjustment for lubricant delivery per cycle as well as a separate air spray adjustment stem.  Lubricant delivery can be completely shut off at any time by adjusting the piston to the fully closed position.


The self-priming PurgeX will fill lines with lubricant automatically.  A vacuum pulls liquid into the PurgeX chamber with each cycle.  Any entrapped air and other impurities are automatically purged from the system when the piston slightly over-travels the pump chamber with each cycle.  The net result is the ability to reliably deliver an exact amount of lubricant. 


Additional requirements include a reservoir, 3-way solenoid valve, timer or sequence signal, and tubing and fittings.


Inlet Pressure

40-120 PSI

Volume Output Per Feed

0 to .0012 cu. in.



Nozzle Length



.125" dia



Air Inlet

1/8" Female NPT

Liquid Inlet

1/8" Female NPT



Lubricant Type

Liquid/Oil or Grease


A7256 Installation & Operation
(PDF, 83KB)

 This Item is Compliant 


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