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Bosch Rexroth Z2S 6-1-6X/V R900347504

 Z2S 6-1-6X/V Bosch Rexroth R900347504
Manufacturer
Bosch Rexroth
Name
Z2S 6-1-6X/V
Part number
R900347504
Country
Germany
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The isolator valve type Z2S is a releasable check valve in sandwich plate design. It is used for the leakage-free blocking of one or two actuator ports, also in case of longer standstill times. In direction A① to A② or B① to B②, there is a free flow; in the opposite direction, the flow is blocked. If, for example, there is a flow through the valve in direction A① to A②, the control spool (1) is moved in the direction of the B side, opens the ball seat valve (2) and then pushes the poppet (3) off its seat. Hydraulic fluid can now flow from B➁ to B➀. In order to allow the ball seat valve (2) to be safely closed, the control spool (1) must be hydraulically unloaded (see circuit example). Pre-opening
  • Due to the pre-opening, there is a damped decompression of the pressurized liquid. Thus, possible switching shocks are avoided.
  • The two-stage set-up with an increased control open ratio means even low pilot pressure can be unloaded securely.
Notice: In valves without pre-opening, sudden unloading of pent-up pressure volume may occur. Resulting switching shocks may lead to premature wear on installed components, as well as noise formation.
1 Control spool, area A2
2 Poppet, area A1
3 Stop
Type Z2S 6 A…SO40 Type Z2S 6 A…SO60
1 Control spool, area A2
2 Poppet, area A1
3 Stop
4 Control spool, area A4
5 Pre-opening, area A3
Type Z2S 6 -…SO55 (with pre-opening)
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Specifications Z2S 6-1-6X/V R900347504

  • Size 6
  • Component series 6X
  • Maximum operating pressure 315 bar
  • Maximum flow 60 l/min