Logic Valve Dealers

Pilot-to-close Hydraulic Logic Valves are primarily used for bi-directional flow switching applications. The poppet in the pilot-to-close Hydraulic Logic Valve is spring biased to the closed condition. With no pilot signal at port 3, the Hydraulic Logic Valve will open allowing flow in either direction between work ports 1 and 2 once pressure at one of the work ports reaches the biased spring setting. Applying a sufficient externally generated pilot force to port 3 of the Hydraulic Logic Valve closes the poppet creating a low leak seal between port 1 and port 2. Poppet Hydraulic Logic Valves are typically used to perform high flow directional switching operations using small low power pilot valves to control the sequence of the directional operation. A single logic valve can be used to control 2-way, on/off switching.Multiple elements in a bridge arrangement can control 3-way or 4-way directional switching.Since each logic valve is individually controlled, the timing, sequence, and overlap of directional functions can be controlled very precisely.Uni-directional or bi-directional flow can be achieved, depending on the valve selected.Flows in excess of 80 gpm can be controlled through a single logic element, and more than one logic valve can be used in parallel to control flow in excess of the rated flow of a single element.Poppet construction provides a low leak directional control. Spool Type Spool type Hydraulic Logic Valves can also be used for directional switching, however, they are typically used in modulating applications to control flow or regulate pressure. Virtually any pressure or flow control function can be achieved with a spool type Hydraulic Logic Valve including; restrictive or priority flow control, pressure relief, pressure reducing, sequencing, and unloading. The spools in this category of Hydraulic Logic Valves are balanced designs; the spool area at the work port (port 1) and the pilot port (port 3) are equal (1:1). The spool is held in a biased condition by a spring. Venting the pilot at port 3 creates an unbalanced condition causing the valve spool to modulate open or close, depending on the valve chosen. This spool design makes the valve very stable because the forces acting to open and close the valve are in balance. Normally closed spool Flow Control / Compensators Parker offers two types of logic valves for flow control functions. Normally open spools function as a restrictive type compensator.Normally closed spools function as a priority or by Minimum Order Quantity : 5

• Shape: Standard
• Type: Logic Valve
• Size: 16/25/32
• Material: Cast Iron
• Flow: 1000lpm

Logic Valves Logic Valves comprise cartridge type elements and covers with pilot passages. Various types may be combined for direction, flow rate and pressure control. Yuken Logic Valves can be incorporated in manifold blocks to form optimum integrated hydraulic circuits and compact hydraulic power units. Being a poppet type, the elements permit high pressure, high flow rates, high speed and shock less shifting with low pressure drop. Typical applications include steel mill machines, injection molding machines,  Machine  tools and so on. In addition, Yuken Logic Valves cavity specifications confirm to ISO standards. Multifunction performance in terms of direction, flow and pressure can be obtained by combining elements and covers. Logic Valves Poppet-type elements virtually eliminate internal leakage and Hydraulic locking. Because there are no overlaps, response time is very high, permitting high-speed shifting. For high pressure, large capacity systems, optimum performance is achieved with low pressure losses. Since the logic valves are directly incorporated in cavities provided in blocks, the system is free from problems related to piping such as oil leakage, vibration and noise, and higher reliability is achieved. Multifunction logic valves permit compact integrated hydraulic systems which reduce manifold dimensions, mass and achieve lower cost compared to conventional types.

• Country of Origin: India
• Size: Available In Different Sizes
• Material: Metal
• Color: Green
• Feature: Rustproof
• Series No.: LD-16, LDS-25

Logic Valves can be incorporated in manifold blocks to form optimum integrated hydraulic circuits and compact hy- draulic power units. Being a poppet type, the elements permit high-pressure, high flow rates, high speed and shockless shifting with low pressure drop.For high pressure, large capacity systems, optimum performance is achieved with low pressure losses.

We offer logic valve. Direct operated pressure relief valve direct operated pressure control valve direct operated pressure reducing valve direct operated pressure sequence valve pilot operated pressure relief valve (modular construction) pilot operated pressure relief cum unloading valve pressure control modules

Logic Elements are designed to team up other cartridge, to create more possibilities for flow, pressure and direction control, thus to vary the application

• Features: Multifunction performance in terms of direction, flow and pressure can be obtained by combining elements and covers.

Logic Valves comprise cartridge type elements and covers with pilot passages. Various types may be combined for direction, flow rate and pressure control. Logic Valves can be incorporated in manifold blocks to form optimum integrated hydraulic circuits and compact hydraulic power units. Being a poppet type, the elements permit high pressure, high flow rates, high speed and shock less shifting with low pressure drop.

Logic Cartridge Valves are used to control oil pressure,flow or direction and are designed for insertion into cavities machined as per DIN 24342, ISO7368. These cartridges are available in two area ratios,four cracking pressures and six poppet styles. The covers are available for different functions like directional control, pressure control,unloading, flow control etc.

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We are offering hydraulic logic valves.

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