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Post-Tensioning Single-Strand

  • Valves: Post Tensioning - Single Strand (9628)

    Page 129 - Valve_9628

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  • Valves: Post Tensioning - Single Strand (9628)
Product Type:

Pump Mounted Manual

Pump Mounted, Tandem Center, Manual Valve, Single strand
 
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4-WAY/3-POSITION (TANDEM CENTER) MANUAL VALVE

Application – Single strand, double-acting stressing jacks with Power Wedge seater.

Actuation – Lever operated, detent positioned.

Operation –

  1. With valve in center position, pump is started.
  2. Cable is inserted into stressing tool, valve is placed in “A” position. “Pull” portion of stressing tool is pressurized to specified level for proper cable tensioning (“A” port is checked internally, can only be released by building pressure in “B” position).
  3. Valve is placed in “B” position, which is pressure controlled and will not exceed 6,400 psi (440 bar). “Return” portion of stressing tool is pressurized and will release “A” port when pressure reaches approximately one-half the “A” port pressure. “A” port remains open as long as this pressure differential is maintained.
  4. Pump is stopped, valve is placed in “A” position, releasing “B” port pressure.


Used on these pumps:
PA17*, PA46*, PA55, PE17*, PE21*, PE30, PE46*, PE55, PE60, PE84, PE120, PE200, PE400, PG30*, PG55, PG120, PG400, PQ60 and PQ120 series.

* These pumps may have reduced first flow stage characteristics due to internal valve restrictions.

CAUTION: To prevent sudden, uncontrolled descent of a load as it is being lowered, use a Load Lowering Valve (No. 9596) or Counter Balance Valve (No. 9720) in conjunction with the directional valve used in your application.


IMPORTANT: Conversion kit 251528 must be used when mounting any of the valves on PA17 or PE17 pumps.

IMPORTANT: When ordering any valve for a PE30 or PG30 series pump, ½” longer mounting screws are required.
For valves 9504, 9584, 9610 and 9610A, order four 12001 cap screws.
For valve 9582, order two 12001 and two 10856 cap screws.



Order
Number
Cylinder
Application
OperationValve
Type
VoltAdvance/
Return
Advance/
Hold Return
Posi-Check® FeatureWeight (lbs.)
(lbs)(kg)
9628Single-Acting
Double-Acting
ManualPost TensioningSpecialNoNo5.42,5


4-Way/3-Position Manual Valve (9628) - Diagram 1
4-Way/3-Position Manual Valve (9628) - Diagram 2

Designed for use with Power Team air, gasoline and electric powered hydraulic pumps.