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Hydac Technology Corporation

Modular Stacking Valve System
Base Modules

L Series Modular Stacking Valve System

The "L" Series is a manifold system made up of modular valve blocks which are stacked together and fixed with tie rods.
 
FEATURES
Truly Modular
Modular design allows a machine manufacturer to offer multiple options on a single machine without having to stock or machine separate manifolds.
Compact
Excellent flow and pressure characteristics in a space-saving package.
High Pressure
Most control modules are rated for 5000 psi.
Time Saving Solutions
Modular design affords simple to complicated circuit solutions, eliminating the time and cost needed to design and machine a manifold or hard-pipe in-line controls.
Wide Array of Control Options
Pressure controls, directional controls and combination modules are offered.
  • Pressure Control Modules
    • Direct acting and hydraulically dampened for smooth, quiet control.
  • Directional Control Modules
    • Solenoid and check valves are of a metal to metal seat design, providing leak-free performance.
    • Solenoid coils are rated for 100% continuous duty.
FUNCTION
The HYDAC "L" Series Modular Stacking Valve System offers a multitude of control modules that are stacked in series and fixed with two tie rods to form an integrated manifold. The manifolds may then be mounted as stand-alone packages, or as "on-board" controls for HYDAC "CA" or "HP" power units.
There are three general types of modules which are used in building a manifold: Base Modules, Control Modules, and End Modules.
The base module can be piped with SAE O-ring ports for remote mounting or flange-mounted to a HYDAC power unit. Control modules include a wide selection of both pressure and solenoid control valves. The end modules cap the assembly and can include other hydraulic accessory components such as pressure switches and accumulators.
Features, such as 100% continuous-duty coils and leak-free solenoid and check valves, make the "L" Series ideal for extended clamping and load holding applications.
 

 
Module Type RL is an inline base module with no pressure controls. The unit has SAE threaded O-ring ports for the pressure and tank ports. It is used only when the maximum system pressure is controlled elsewhere in the circuit. Port P is SAE-6. Port T is SAE-8. Maximum pressure is 7250 psi. Weight is 1.3 lb.
RL + Base module for in-line use with SAE O-ring ports.
 
Module Type L is a base module that mounts to HYSAC "CA" and "HP" Series power units. The module includes a main pressure relief valve and check valve. In addition, threaded auxiliary P and T ports are supplied. The check valve may be omitted. Three levels of relief valve pressure ranges may be selected: up to 2900 psi, up to 5000 psi, and up to 9000 psi. If no range is specified, the valve will not be set. Ports T and P are SAE-6. Maximum pressure is 7250 psi. Weight is 2.1 lb.
L R / 350 M 3000 + Base module for CA or HP Series; check valve, pressure relief up to 5000 psi, set to 3000 psi.
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nil
xxxx		 Pre-set Relieving Pressure
Valve will not be set
Cracking pressure in psi
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200 M
350 M
630 M		 Pressure Range
Up to 2900 PSI
Up to 5000 PSI
Up to 9000 PSI
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nil
R		 Check Valve
Omit
Include

 
If you are located in Missouri, Kansas, Nebraska, or Illinois, you may contact us at the following telephone and fax numbers with your requests or questions:
St. Louis telephone 314.428.4000 fax 314.428.4097
Kansas City telephone 913.829.5900 fax 913.829.0815
 
For ALL OTHER AREAS Please use the Info Request form for specific product information, pricing or other information. Please include company name, contact name, address, phone number and fax number to ensure a timely response.
 
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Copyright © 2003 Flo-Products Company
Last modified:
Brochure: HHD-L.02/99