Workholding Solutions Master Catalog

POWER CLAMPING workholding solutions

Pre-Fill Boosters

• Self Bleeding • Easy View Reservoir • 15:1, 30:1, and 54:1 Boost Ratios

These units offer many more advantages than conventional boosters, while maintaining the same basic simplicity. The pre-fill booster has two automatic cycles. The first cycle pre-fills the work circuit using low pressure with a large reservoir to provide volume. The second cycle then automatically provides high pressure, as needed. These units also provide automatic bleeding of the work circuit. This self-bleeding feature negates the need to “bleed the lines” after it is set up. The pre-fill booster is ideal for any general use production system requiring maximum efficiency with minimum effort! Pre-fill boosters must be used in the upright (vertical) position. • Installation Kits Available. See page 211. • See page 208 for Rapid Exhaust and Rapid Advance Kits, and Mounting Bases.

Patent No. 3839866

POWER CLAMPING

Specifications Part Number

61704 61705 61706

Reservoir Capacity (cu. in.)

50

50

55

High Pressure Volume (cu. in.)

7 1/2

3 3/4

2

Minimum Input (psi)

40

40

40

Maximum Input (psi)

125

125

75

Boost Ratio

15:1

30:1

55:1

Maximum Output (psi)

1875

3750

4100

Weight (lbs.)

28

28

28

207

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