Purchasing ratio valve from Atos, Italy

NegotiableUpdate on 05/23

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Nature of the Manufacturer: Producers

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Overview

The Italian Atos ATOS proportional valve is a control valve that continuously and proportionally controls the flow, pressure, and direction of a hydraulic system based on input electrical signals. Its output flow and pressure are not affected by load changes. The $r $n (1) electrical signal is easy to transmit and can be easily controlled over long distances. $r $n (2) can continuously and proportionally control the pressure and flow of the hydraulic system, achieve control over the position, speed, and force of the actuator, and reduce the impact during pressure changes. $r $n (3) reduces the number of components and simplifies the oil circuit.

Product Details

Purchasing ratio valve from Atos, Italy

Proportional directional valve

Direct acting, without sensor proportional directional valve, without position sensor, with positive cover valve core, used for open-loop directional control and pressure free compensation flow regulation. The proportional valve and split type amplifier are used together, and the electronic amplifier provides an appropriate amount of current to the proportional valve, so that the adjustment of the valve is consistent with the input signal supplied to the electronic amplifier. Valve core adjustment features: L=linear S=parabolic D=differential parabolic valve body features: DHZE is a 3-chamber valve body electromagnetic certified and meets the North American certification standard cURus.

ATOS servo proportional valve has precise operation, high precision, high response, and high reliability electronic closed-loop feedback, and has a wide range of excellent applications. All proportional valves can be used in conjunction with external drivers or electronic components necessary to form a whole. Currently, almost all proportional valves can be connected to digital drivers. Computers can configure and control digital drives and proportional valves through USB cable connections.

A digital proportional valve without position sensors and with overlapping positive valve cores, used for open-loop directional control and uncompensated flow regulation. A is used in conjunction with a split amplifier. AEB comes with a basic integrated digital amplifier with analog reference signal or IO Link interface, used for digital reference signal, valve setting, and real-time diagnosis. AES execution is complete, with on-board digital driver program, which also includes fieldbus interfaces for digital reference signals, valve settings, and real-time diagnostics. For AEB and AES, the Atos PC software always provides a USB port for valve settings.

　　Purchasing ratio valve from Atos, ItalyThe main models include: vane pumps (PFE-31/41/51, PFE-32/42/52, PVL), plunger pumps (PFR, PVPC), multi connected pumps (PFED, PFEX, PFRX, POX), pressure control valves (SP-CART, ARE, ARAM, AGAM, AGIR, AGIR, AGIR, AGIU, REM), flow control valves (QV-06, QV-10, QV-20, AQFR), one-way valves (ADR, DB, DR, ADRL, AGRL, AGRLE), and standard electromagnetic directional valves (DHI, DHU, DHD, DKI, DKU, DKD, DLOH, DLOK, DPHZ). DPH * -1, DPH * -2, DPH * -3, DPH * -6), pressure control valves (HMP, HM, KM, HS, KS, HG, KG, JPG-2, HC, KC, JPC), flow control valves (HQ, KQ, JPQ-2, JPQ-3, DHQ, DKQ), one-way valves (HR, KR, JPR-2, JPR-3), etc.

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Reason for not being able to add ATOS proportional valve pressure *:

① The damping hole of the main valve core is blocked. If the main valve core is not cleaned thoroughly during assembly, the oil is too dirty, or there are people or debris during assembly.

② Poor assembly quality, poor assembly accuracy during assembly, poor adjustment of valve clearance, main valve core stuck in the open position, poor assembly quality.

③ The reset spring of the main valve core is broken or bent, preventing the main valve core from resetting.

solution

① Disassemble the main valve, clean the damping hole, and reassemble it.

② Filter or replace the oil.

③ Tighten the valve cover fastening screws and replace the broken spring.

Reason 2: Pilot valve malfunction.

① The adjustment spring is broken or not installed.

② Cone valve or steel ball not installed.

① The main valve core cone is worn or not round, and the valve seat cone is worn or not round.

② There is dirt sticking to the cone surface.

③ The lack of concentricity between the conical surface and the valve seat due to machining errors.

④ The main valve core is not well matched with the valve seat, and the main valve core is not strong or damaged, resulting in a loose fit between the valve core and the valve seat.

⑤ There is leakage at the main valve cover, such as damaged sealing gasket, poor assembly, loose cover screws, etc.

resolvent:

① Replace or repair the overflow valve body, main valve core, and valve seat.

② Clean the overflow valve to ensure a good fit or replace any defective components