Page 709 - CarrLaneCatalog_2019ed-c.pdf
P. 709

Sequence Valves                                                                              7250 psi max


                                                •   Use to automatically sequence   DESIGN CONSIDERATIONS: Choose normal
                                                 positioning, clamping, and supporting  pressure-adjustment-range valves instead of
                                                                                   low-range valves whenever possible. Normal
                                                •  Easily adjustable trigger pressure  range models offer a wider adjustment range,
                                                                                   especially when used with an Air Power
                                                •  Use in multiples for multi-step   Unit. For multi-stage sequencing, set trigger
                                                 sequencing                        pressures in steps of at least 750 psi (normal
                                                                                   range) or 375 psi (low range).
                                                ** Do not use NPT fittings         STANDARD FITTINGS: Mount in line. Fasten
                                                                                   with two #10 cap screws if desired.
                                                                                   MANIFOLD MOUNTING: Fluid enters and exits
                                                                                   through two O-ring ports fed by drilled fixture
                                                                                   passages. Mount on a ground surface (32 Ra
                                                                                   max.) using three #10 cap screws.
                                                                                   SERIES MOUNTING: Use one input valve and
                                                                                   up to five series valves. Only one pressure
                                                                                   connection is required, to the input valves P port.
                                                                                   The other valves are connected by an internal
                                                                                   passage, sealed with an O-ring between each
                                                                                   valve. All required plugs, O-rings, and nuts are
                                                                                   furnished.

                                                                                   Example clamping sequence:
                                                                                   Workpiece to be positioned and clamped
                                                                                   sequentially. Sequence valve set for 1500 psi
                                                                                   trigger pressure.
                                                                                   1.  When clamps are actuated, clamp 1 pushes
                                                                                     workpiece against stop A.
                                                                                   2.  As soon as pressure reaches 1500 psi,
                                                                                     sequence valve opens.
                                                                                   3.  Clamps 2 and 3 simultaneously push
                                                                                     workpiece against stops B and C.
                                                                                   4. Fluid pressure rises uniformly in all clamps.

                                                                Trigger pressure       Low Range       Normal Range
                                                              adjustment range (psi)   150 to 2200     1500 to 6500
                                                             Max. operating pressure (psi)  7250          7250
                                                             Pressure change per turn (psi)  220          440
                                                                  Maximum flow        490 cu. in./min.  490 cu. in./min.
                                                                    A Dia.                7/8             1-3/32
                                                                     B                   4-5/16           5-3/4
                                                                  Weight (lbs)           1.1               1.4

                                                                               Standard Fittings
                                                                   Part No.            CLR-420-V        CLR-440-V
                                                                              Manifold Mounted
                                                                   Part No.            CLR-429-V        CLR-449-V
                                                              Part No., Spare O-Ring  CLR-3000-342-SW  CLR-3000-342-SW

                                                                               Series Mounted
                                                                Part No., Input Valve  CLR-2954-427-V  CLR-2954-441-V
                                                              Part No., Series Valve  CLR-2954-428-V  CLR-2954-442-V
                                                          Part No., Connecting Bolt, 2 Valves  CLR-3619-029-VA  CLR-3619-029-VA
                                                             Part No., Connecting Bolt, 3   CLR-3619-031-VA  CLR-3619-031-VA
                                                                    Valves
                                                          Part No., Connecting Bolt, 4 Valves  CLR-3619-032-VA  CLR-3619-032-VA
                                                                                                                      14
                                                          Part No., Connecting Bolt, 5 Valves  CLR-3619-033-VA  CLR-3619-033-VA
                                                          Part No., Connecting Bolt, 6 Valves  CLR-3619-034-VA  CLR-3619-034-VA


                                                                           Carr Lane Roemheld Mfg. Co.
                                                                                  Sales — Phone (314) 647-6200     Fax (314) 647-5736
                                                                          Engineering — Phone 1-800-827-2526     Web roemheld-usa.com
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