Electrohydraulic Servo Valve - China

One-Stage Electrohydraulic Flow Controlling Servo Valve with Two Nozzles

and Flapper Force Feedback Design

Features:

(1) Dry torque motorized electrohydraulic servo valve with double nozzles and flapper type single stage of amplification.

(2) Excellent performance, high dynamic response, steady operation, reliable and long service life.

(3) Using super hard aluminum alloy shell and compact structure.

QDY-I Performance Specifications

Model: QDY5

Supply oil pressure range(MPa) 1.5-21

Rated supply oil pressure(MPa) 21

Rated flow Qn(L/min) (at valve pressure drop of 7MPa) 1.2

Rated current In(mA) 30, 40

Hysteresis(%)≤3

Resolution(%)≤0 - 5

Non linearity(%)≤±10

Asymmetry(%)≤±1 0

Pressure gain >30

Bias(%)≤±3

Zero drift of supply oil pressure(80-110% Ps)(%)≤±2

Zero drift of return oil pressure(0-20% Ps)(%)≤±2

Zero drift in temperature (-30-+150C)(%)≤±3

Frequency characteristics:

Amplitude frequency width(-3dB)(Hz) ＞500

Phase frequency width(-90° (Hz)＞500

Net weight(kg) 0.3

Company Contact:

• Posted By: BMTI PRECISION MECHATRONICS CO., LTD

• Phone: 15801624867

• Address: No. 4 Wangjing Road, Chaoyang District, Beijing , China

• Email:

• Website: http://www.jcsjm.com

• Business Description: BMTI Precision Mechatronics Co., Ltd. started research of pneumatic and
  
  hydraulic automatic control technology as early as in 1950s, and her
  
  research results and application level are leading in China.
  
  In more
  
  than 50 years, she always adheres to the road combining scientific
  
  research with production, and the hydraulic and pneumatic products
  
  researched & developed independently by her have been widely used in
  
  metallurgy, aerospace, shipbuilding, automobile, textile, and printing
  
  industry.
  
  Her modern manufacturing equipment and inspection conditions
  
  as well as perfect quality management system have ensured the steady and
  
  reliable quality of her products.
  
  She owns a professional and complete
  
  R&D team with rich practical experiences, and can undertake research of
  
  subjects specified by the state as well as development of new products,
  
  also complete turnkey projects for hydraulic and pneumatic subjects, and
  
  customize personalized solutions for the users focused at pneumatic and
  
  hydraulic technology.