Table of Contents
© Moog GmbH User Manual "D633-A Series" (CA80942-001; Version 1.0, 12/08) ii
3.5.1 Model number .............................................................................................................. 18
3.5.2 Type Designation ......................................................................................................... 19
3.5.2.1 Valve version identification...................................................................... 19
3.5.2.2 Rated flow identification .......................................................................... 20
3.5.2.3 Maximum pressure identification............................................................. 20
3.5.2.4 Bushing-spool identification..................................................................... 21
3.5.2.5 Linear force motor identification .............................................................. 21
3.5.2.6 Fail-safe identification.............................................................................. 22
3.5.2.7 Y-identification......................................................................................... 22
3.5.2.8 Sealing material identification.................................................................. 22
3.5.2.9 Valve connector identification.................................................................. 23
4.1 General technical data .............................................................................................................. 25
4.2 Hydraulic data............................................................................................................................ 26
4.3 Static and dynamic data ........................................................................................................... 26
4.4 Electrical data ............................................................................................................................ 27
4.5 Emissions................................................................................................................................... 27
5.1 Dependency of flow and pressure drop .................................................................................. 29
5.2 Flow signal characteristic curve .............................................................................................. 29
5.3 Spool stroke signal characteristic curve ................................................................................ 30
5.4 Pressure signal characteristic curve....................................................................................... 30
5.5 Step response and frequency response ................................................................................. 31
6 Transportation and Storage ...................................................................33
7 Mounting and Connection to the Hydraulic System............................35
7.1 Dimensions (installation drawings) ......................................................................................... 36
7.2 Mounting surface....................................................................................................................... 37
7.3.1 Tools and materials required........................................................................................ 38
7.3.2 Specification for installation screws.............................................................................. 38
7.3.3 Procedure..................................................................................................................... 39