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Gear Pumps

ALUMINIUM FIXED DISPLACEMENT EXTERNAL GEAR PUMPS
SNP - 1

Capacities 1.20cc-7.60cc/rev


Speeds up to 5,000rpm


Pressures up to 210bar
Sauer-Danfoss fixed displacement gear pumps displace oil by means of one driven gear & one idler gear meshing together. The two gears displace oil in their gear teeth notches from the suction port to pressure port. The displacement of the gear pump is a combination of the size / diameter of the gear & the width of the gear. Fixed displacement pumps will deliver oil flow in direct relation to their swept volume and their rotational speed.
 

 

 

ADVANTAGES

PRESSURE BALANCED BEARING BLOCK DESIGN

SNP-1 units all incorporate the use of gear shaft bearing blocks that also provide pressure balancing against the side face of the gears, so that the pressure produced by the pump actually compensates for the separating forces generated by pump pressure.

MULTIPLE VERSIONS AVAILABLE

Pumps can be coupled together to produce double or triple units. However, the input stage must be capable of transmitting the total pump torque.

FOUR HOLE EUROPEAN OR SAE MOUNTS

Units are available with four hole 'European' mounting flanges plus a variety of spigots & output shafts. Alternatively units can be supplied with SAE mountings.

MOTOR DESIGNS AVAILABLE

All capacities of units are available as uni-rotational motors.

Ordering

SNP1 1.2cc


SNP1 1.7cc


SNP1 2.6cc


SNP1 3.8cc


SNP1 4.3cc


SNP1 6.0cc


SNP1 7.6cc

Description

Group 1, 4 bolt euro mount, 1:8 tapered
shaft, flanged ports.

Group 1, 4 bolt euro mount, 1:8 tapered
shaft, flanged ports.

Group 1, 4 bolt euro mount, 1:8 tapered
shaft, flanged ports.

Group 1, 4 bolt euro mount, 1:8 tapered
shaft, flanged ports.

Group 1, 4 bolt euro mount, 1:8 tapered
shaft, flanged ports.

Group 1, 4 bolt euro mount, 1:8 tapered
shaft, flanged ports.

Group 1, 4 bolt euro mount, 1:8 tapered
shaft, flanged ports.

Temperature

Oil temperature should be between +30ºC & +60ºC during normal operation. Oil life is greatly reduced if temperature exceeds 60ºC. As a general rule, oil life is halved for each 8ºC temperature exceeds 60ºC.

Filtering

It is necessary to keep the level of contamination within a hydraulic system at an acceptable level to ensure trouble free operation. Filtration should always be specified at a level that protects the most sensitive item or component in the system.

 

 

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Manufacturers

Sauer Danfoss
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