Digital directional & flow control valves D-DF(R)G
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1 Digital directional & flow control valves D-DF(R)G Functional Symbols Model Code D-DFG- D-DFG-~ D-DFRG-/ D-DFG--C--- Digital directional & flow control valve Size Spool type (neutral position) : ll ports closed Spool/spring arrangement C: Spring center type Maximum control flow See Specifications 6 Maximum number of steps : ± steps (-phase motor) 7 Design no D-DFG--6-C-E--7-(*) Digital directional & flow control valve D-DFG: No pressure compensating valve D-DFRG: ypass type pressure compensating valve provided (applicable to and sizes) Number of directional control positions : Neutral and position : Neutral and positions oad sensing port : No port provided : For lift circuit (applicable to and 6 sizes) : ort provided 7: For meter out circuit (applicable to and 6 sizes) Size See Specifications Spool type (neutral position) : ll ports closed 6 Spool/spring arrangement C: Spring center type 7 E: External pilot operation type (built-in pressure reducing valve) 8 Maximum control flow See Specifications 9 Maximum number of steps 6: ±6 or ±6 steps (-phase motor)* 7: ±7 steps (-phase motor) Spool sub-category Omit: standard spool and up: Optional spool Design no : D-DF (R) G-, D-DFG- : D-DF (R) G-, D-DFG-6 * his was previously referred to as a -phase motor (the motor itself has remained unchanged) -
2 Specifications Size Maximum working pressure Ma Maximum control flow /min Minimum control flow /min D-DFG D-DFRG ilot pressure Ma ilot flow /min (at a pilot pressure of Ma) Repeatability, hysteresis emperature drift (ISO G hydraulic fluid or equivalent; C to 6 C) -phase energization system Resolution --phase energization system (maximum no of steps) -phase energization system Response alve to valve variation allowable pressure Filter (nominal filtration grain size) Weight kg Ma D-DFG D-DFRG to (for the pressure reducing valve built into the valve, this pressure is set to Ma) ess than % of maximum control flow oth directions ± ( and ) pps or less* µm 7 7 *: his was previously referred to as a -phase motor (the motor itself has remained unchanged) *: his is the allowable pressure of the port ess than % of maximum control flow ess than % of maximum control flow oth directions ±6 ( and ) (-phase motor)* oth directions ±6 ( and ) (-phase motor)* oth directions ±7 ( and ) (-phase motor) he valve response is significantly affected by the performance of the controller and driver used For further details, refer to the operating instructions of our controllers and drivers ess than ±% of maximum control flow or less µm or less Characteristics curves (at mm²/s) (typical examples) flow characteristics (with / differential pressure of approx 7 Ma) D-DFG ( )( ) -phase motor -phase energization D-DF (R) G-- D-DF (R) G-- D-DFG--6 D-DFG ( )( ) phase motor -phase energization -phase motor -phase energization 6 6 ( )( ) -phase motor -phase energization -phase motor -phase energization 6 6 ( )( ) -phase motor -phase energization -phase motor -phase energization 6 6 ( )( ) -phase motor -phase energization -phase motor -phase energization
3 Notes on Operation When the reset signal is input, the valve spool is returned to the neutral position by the built-in reset mechanism lways supply the pilot pressure for sizes and above When the pump is to be started up, input the reset signal to the controller or driver to set the valve to the reset status, and then start up the pump, and when the pump is running normally, release the reset signal neutral position adjustment mechanism is provided on the outside of the valve, but its re-adjustment is not necessary since the adjustment was completed prior to shipment from the factory Connect the drain pipe directly to the tank he allowable back pressure is Ma Mounting olts (JIS 76 Strength Grade 9 or Equivalent) Model Code Hexagon Socket Head Cap Screws Metric hread Unified hread Qty D-DFG- M D-DF (R) G- M 6 /-UNC 8 D-DF (R) G- M 6 /-UNC M /8-6UNC 8 D-DFG-6 M /-UNC 7 6 D-DFG- M 6 6 he mounting bolts are not provided with the valve bodies and must be ordered separately Mounting bolt tightening torque D-DFG-: 7~8 N m D-DF (R) G-: ~ N m D-DF (R) G-: M6 (/-UNC) 9~ N m M (/8-6UNC) ~6 N m D-DFG-6: 7~8 N m D-DFG-6: ~9 N m Subplate alve D-DFG- Subplate DGMS--E---J-J* DGM----J-J* Connection ort Diameter Rc / 8 D-DF (R) G- DEFGM-- / D-DF (R) G- DEFGM-- / D-DFG-6 DEFGM-6- D-DFG- DEFGM-- -/ Subplate must be ordered separately Mounting bolts are provided (Not applicable to models indicated with *) (Metric thread) For further details of the dimensions, refer to pages R6-6, R6-9 and R6- Dimensions D-DFG- 7 port port 8 port port 7 Receptacle: MS6S- Use the MS66S-S or MS86S-S for the plug and the MS7-8 for the cable clamp hese valve body lug connect/disconnect space φ M, deep 8 MS66S-S:6 MS86S-S:
4 Dimensions D-DF(R)G- -φ7 holes, φ8 counterbore depth port -φ 96 -M6, deep -φ port (load sensing) Origin point adjustment mechanism port (pilot) -φ port port port 9 (for D-DFRG-) Receptacle: MS6S- Use the MS66S-S or MS86S-S for the plug and the MS7-8 for the cable clamp hese valve body 9 lug connect/disconnect space MS66S-S:6 MS86S-S:6 - D-DF(R)G φ holes φ7 counterbore depth -φ7 holes φ counterbore depth port port port port (load sensing) port port (pilot) Origin point adjustment mechanism 7 -M, deep -φ 9 -φ, 8 deep 8 -M6, deep max φ7 -φ (for D-DFRG-) Receptacle: MS6S- Use the MS66S-S or MS86S-S for the plug and the MS7-8 for the cable clamp hese valve body 6 -φ positioning pin lug connect/disconnect space MS66S-S:6 MS86S-S:6
5 Dimensions D-DFG-6 port port 6-φ holes φ98 counterbore depth Origin point adjustment mechanism 6-M, deep -φ8 -max φ 9 -φ7, 8 deep port port 77 port port (pilot) 68 6 (load sensing) -φ Receptacle: MS6S Use the MS66S-S or MS86S-S for the plug and the MS7-8 for the cable clamp hese valve body 7 -φ6 positioning pin lug connect/disconnect space MS66S-S:6 MS86S-S:6 D-DFG- port 6-φ holes -max φ -φ7, 8 deep port port (pilot) 9 76 port port 9 6 φ counterbore depth Origin point adjustment mechanism port (load sensing) Receptacle: MS6S M, deep φ9 67 -φ Use the MS66S-S or MS86S-S for the plug and the MS7-8 for the cable clamp hese valve body 6 -φ6 positioning pin lug connect/disconnect space MS66S-S:6 MS86S-S:6
6 Construction D-DFG- No art Number Standard Qty Mitsubishi Densen mini flick W- S68- (NR, Hs9) S68- (NR, Hs7) S68- (NR, Hs9) Mitsubishi Densen mini flick W- -6 to used for D-DFRG Used only for Used only for Used only for D-DF (R) G-*- No art Number Standard Qty S68- (NR, Hs7) S68- (NR, Hs7) S68- (NR, Hs7) S68- (NR, Hs7) S68- (NR, Hs7) S68- (NR, Hs7) S68-7 (NR, Hs7) S68- (NR, Hs7) No art Number Standard Qty S68- (NR, Hs7) S68- (NR, Hs7) S68- (NR, Hs7) S68-9 (NR, Hs7) S68- (NR, Hs7) S68- (NR, Hs7) S68- (NR, Hs7)
7 Construction D-DF (R) G-*- No art Number Standard Qty D-DFG-* S68- (NR, Hs9) S68- (NR, Hs9) S68- (NR, Hs9) S68- (NR, Hs9) S68- (NR, Hs9) S68- (NR, Hs9) S68- (NR, Hs9) S68-7 (NR, Hs7) S68- (NR, Hs9) S68- (NR, Hs9) S68- (NR, Hs9) S68- (NR, Hs9) S68-9 (NR, Hs9) S68- (NR, Hs9) S68- (NR, Hs9) S68- (NR, Hs9) Note: hree 799 are used with the D-DFG-7- No art Number Standard Qty S68-8 (NR, Hs9) S68- (NR, Hs9) S68-9 (NR, Hs7) S68- (NR, Hs9) S68- (NR, Hs9) S68- (NR, Hs9) S68- (NR, Hs9) S68- (NR, Hs9) S68-8 (NR, Hs9) S68- (NR, Hs9) S68-8 (NR, Hs9) S68- (NR, Hs9) Note: he 799 and are used with the D-DFG-7-6 D-DFG-*- No art Number Standard Qty S68-(NR,Hs7) S68-(NR,Hs7) S68-(NR,Hs7) S68-(NR,Hs7) S68-(NR,Hs7) S68-(NR,Hs7) S68-(NR,Hs7) S68-(NR,Hs7) S68-(NR,Hs7) S68-(NR,Hs7) S68-(NR,Hs7) S68-(NR,Hs7) S68-(NR,Hs7) -7
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