Page 20 - Single-line automatic lubrication systems

Pump unit

85438/40/41
Pump units for oil

Description
Technical data
Pump models 85438/40/41 are air-operated, positive
displacement pumps that deliver a maximum volume by means Function principle air operated piston pump
of a single stroke of the pump. Solenoid air valve and adjustable (single stroke)
Outlets 1
solid-state time controls are integrated into the pump body. Metering quantity 7,4 cm 3 / stroke; 0.45 in 3 / stroke
These pumps are designed to deliver fluid lubricants to single-line Working frequency
Lubricant oil, synthetic oils on request
injectors and are filled via a spring-loaded filler cap and internal Operating temperature –23 to +65 °C
strainer. Acrylic reservoirs are available in two sizes. Supply –10 to +150 °F
voltages are offered in 120 V AC and 240 V AC. Operating pressure max. 70 bar, 1 000 psi
Reservoir
85438 0,6 l; 0.16 gal
Features and benefits 85440, 85441 2,0 l; 0.5 gal
Material (reservoir) acrylic
• Reservoir with filler cap and internal strainer Connection outlet 1 /4 NPTF (F)
• Integrated, adjustable, solid-state time controls with LED Voltage 120 V AC, 240 V AC
indicators for “Power On,” “Pump On” and “Alarm,” along with Transmission ratio 20:1
a membrane-type “Manual Lube” switch Dimensions: 133 × 184 × 305 mm
85438
• Integrated solenoid air valve 5.25 × 7.24 × 12.02 in
• Suitable for use with metering devices of category 2, 3 and 4 85440, 85441 133 × 184 × 527 mm
5.25 × 7.24 × 20.75 in
Mounting position vertical
Applications
Timer and controller
• Textiles On time 10 or 30 sec
• Steel mills Off time 30 sec to 30 min. or 30 min. to 30 h
• Plastic processing Alarm contacts 8 A at 250 V AC
Operating temperature –23 to 65 °C; –10 to +150 °F
• Material handling
• Food and beverage

Order information NOTE
Further technical information, technical drawings,
Order number Voltage Reservoir
accessories, spare parts or product function descriptions
V AC l gal available on SKF.com/lubrication:
442832
85438 120 0,6 0.16 3D
85440 120 2,0 0.5
85441 240 2,0 0.5 skf-lubrication partcommunity com/3d-cad-models

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