Hydraulic Servo Valve With The Red Label For Railway Tamping Maintenance Equipment Of Plasser Type EL T76 00MO 191C H40DAGM4NAH
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- Supplier: Hunan Qianmo Track Equipment Co. Ltd.
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Product Overview
Description
Product Overview
Hydraulic Servo-valve EL-T76.00-MO-191C Series for Railway Industry Plasser
Products are widely used in Plasser major series of models.
This Series fills the gap between crude on/off controls and conventional high performance servovalves. This servovalve design offers true proportional servocontrol for a cost significantly below previous alternatives. The 62 Series has the same internal mechanical feedback used in higher performance servovalves. This feedback arrangement, together with the flexure tube dry motor, provides inherent reliability proven by years of successful experience.
Motorcap can be turned by 180 degree.
Motorcap can be turned by 180 degree.
FEATURES AT A GLANCE
Design Features:
》Dry Electric Torque Motor – eliminates pick-up of magnetic particles from the fluid.
》Frictionless double nozzle pilot stage with flexure tube
》Reliable mechanical feedback – eliminates levers, springs, pivots, and other complex mechanisms.
》Mechanical null adjustment – permits convenient set-up of system
》Integral filter screens - protect valve from inadvertent system contamination.
》Reliable mechanical feedback – eliminates levers, springs, pivots, and other complex mechanisms.
》Mechanical null adjustment – permits convenient set-up of system
》Integral filter screens - protect valve from inadvertent system contamination.
Right elevation
Left elevation
Front elevation
PRODUCT SPECIFICATIONS
Technical Data
Mounting pattern ISO 10372-04-04-0-92
without port X
Rated flow (± 10 %)
at△p = 70 bar drop 40 l/min
Bushing spool type 3 % overlap P A and P B
0 % overlap A T and B T
Spool stroke ± 1,25 mm
Rated command signal ± 7,5 mA Series
Operating pressure 210 bar
ports P, A, B,
Return pressure, port T up to 100 bar
Temperature range -20 to + 100 °C
Seal material NBR
Operating fluid mineral oil based hydraulic
Viscosity 10 to 100 mm2/s
without port X
Rated flow (± 10 %)
at△p = 70 bar drop 40 l/min
Bushing spool type 3 % overlap P A and P B
0 % overlap A T and B T
Spool stroke ± 1,25 mm
Rated command signal ± 7,5 mA Series
Operating pressure 210 bar
ports P, A, B,
Return pressure, port T up to 100 bar
Temperature range -20 to + 100 °C
Seal material NBR
Operating fluid mineral oil based hydraulic
Viscosity 10 to 100 mm2/s
Technical Data
Filter rating recommended
For normal operation: ß15 ≥75 (15 µm abs.)
For longer life: ß10≥75 (10 µm abs.)
Threshold * < 1,0 % (at 140 bar)
Hysteresis * < 3,0 % (at 140 bar)
Frequency response, phase lag 90°
(at 210 bar) > 50 Hz
Null bias < 2 %
Null shift
with 55K temperature change < 4%
with supply pressure change
from 80 to 110 % < 3%
Null leakage flow * < 3 l/min
Mass 1,9 kg
For normal operation: ß15 ≥75 (15 µm abs.)
For longer life: ß10≥75 (10 µm abs.)
Threshold * < 1,0 % (at 140 bar)
Hysteresis * < 3,0 % (at 140 bar)
Frequency response, phase lag 90°
(at 210 bar) > 50 Hz
Null bias < 2 %
Null shift
with 55K temperature change < 4%
with supply pressure change
from 80 to 110 % < 3%
Null leakage flow * < 3 l/min
Mass 1,9 kg
Suitable machine type
Successful Project
Project in Thailand
Project in India
Project in Russia
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