Home > Products > Proportional servo valve > High performance servo valve D662Z4336K hydraulic valve
High performance servo valve D662Z4336K hydraulic valve
US$ 100 - 101
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Product Details
| Brand Name | M-O-O-G | Pressure | High Pressure |
Product Description
Product Description
D660 series servo proportional control valve is used in two-way, three-way, four-way and five way throttle type flow control valve. These valves are suitable for electro-hydraulic position, speed, pressure or electro-hydraulic control system, as well as other control occasions requiring high dynamic response requirements. The control circuit in D660 series valve is also an innovation of our company. It adopts SMD technology and 24VDC power supply.
- significantly improve the flow utilization efficiency (more than 90% of the pilot flow is used), which helps to reduce energy consumption, especially for machines using multiple servo proportional valves.
- the servo jet pipe pilot valve has a high undamped natural frequency (500Hz), so the dynamic response of this valve is high.
- reliable performance. The servojet pilot valve has a high pressure efficiency (when the input full calibration signal, the pressure efficiency is more than 80%), and it can also obtain ideal control force for the long stroke main valve core, so that even if there is pollution and hydrodynamic interference, it can also obtain a very reliable position accuracy.
- the minimum control pressure of the pilot stage is only 25bar, which makes the servo proportional control valve even applicable to low-pressure systems such as turbine control.
- the nominal clearance of the built-in filter of the servojet pilot valve is 200um, so its service life is almost unlimited.
- based on the relatively flat pressure gain characteristics of the servo jet pipe pilot valve, it has impeccable working performance. With the increase of the loop gain, the valve has excellent static and dynamic response characteristics, and the performance of the control system is significantly improved.
Technical Parameters
Model... Type | D661-P/B...A | D661-P/B...B | ||||
Installation form | Meet ISO standard, one more t port | ISO 4401-05-05-0-05 | ||||
Types of valves | "Four way, 2 * 2 way and five way The second stage is the standard slide valve“ | |||||
Pilot valve | ServoJet | Standard flow rate | Large flow rate | |||
Pilot connection | Internal control (row) or external control (row) can be selected** | X port and Y port | X port and Y port | |||
weight | KG（1b) | 5.6（12.3） | 5.6（12.3） | |||
Rated discharge | （±10%）△PN=5bar（75psi)/ Every throttling edge“ | 1/min (gpm) | 30/60/80/2*80 （7.9、15.9、12.1、2*21.1） | 30/60/80/2*80 （7.9、15.9、12.1、2*21.1） | ||
Working pressure | Maximum | |||||
Main valve | Port P, port a and port B | bar(psi) | 350（5080） | 350（5080） | ||
Port t (inner row of port y) | bar(psi) | 210（3050） | 210（3050） | |||
Port t (outlet y) | bar(psi) | 350（5080） | 350（5080） | |||
Pilot valve | standard | bar(psi) | 280（4060) | 280（4060) | ||
With pressure reducing orifice | bar(psi) | 350(5080) | 350(5080) | |||
(selected according to user requirements) | ||||||
Response time* | 0-100% spool displacement, typical | ms | 28 | 18 | ||
Minimum resolution* | % | <0.05 | <0.05 | |||
Hysteresis * | % | <0.3 | <0.3 | |||
Zero drift | △T=55K | % | <0.1 | <0.1 | ||
Zero leakage* | Total leakage (~ zero cover) | 1/min(gpm) | 3.5(0.9) | 4.4(1.2) | ||
Pilot leakage* | Pilot valve only, typical | 1/min(gpm) | 1.7(0.5) | 2.6(0.7) | ||
Pilot flow | Maximum flow under full open step signal input | 1/min(gpm) | 1.7(0.5) | 2.6(0.7) | ||
Stroke of main valve element | mm(in) | ±3（0.1） | ±3（0.1） | |||
Driving area of main valve element | cm2(in2) | 2（0.31） | 2（0.31） | |||
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Packing&Shipping
In order to ensure that the product is not damaged during transportation, we will choose to use high-hardness cardboard boxes or wooden boxes to package the product according to the volume of the product, and adopt protective measures such as foam anti-collision and wooden frame fixing to ensure the safe and non-destructive delivery of the goods to the greatest extent.
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Product Categories
| Has been removed | Hydraulic motor | Hydraulic pump | Injection molding machine and parts |
| Proportional servo valve | Servo energy saving pump | Ungrouped |
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