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Danfoss SystemStak DGM 5 Series Technical Information
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Danfoss SystemStak DGM 5 Series Technical Information

Danfoss SystemStak DGM 5 Series Technical Information

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Technical Information
SystemStak
Valves
TM
DGMxx-5 30 Design
BC430264354398en-000101

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Summary of Contents for Danfoss SystemStak DGM 5 Series

  • Page 1 Technical Information SystemStak Valves DGMxx-5 30 Design BC430264354398en-000101...
  • Page 2 Relief valve Mounting surface is available for interfacing with directional DGMC2 Dual relief valve valves and is coded “5” in the model numbers of Danfoss SystemStak valves. The “5 interface accepts Danfoss DG4S4 DGMDC Direct check directional valves and other directional valves with a standard...
  • Page 3 Easy to Understand, Easy to Design SystemStak circuitry is best shown using slightly di erent symbols than those for traditional valve configurations. Each SystemStak symbol has the same basic form and size as shown in Figure 1. DGMPC-5-AB-BA-3 0 DGMFN-5–Y - A-B-30 Figure 1.
  • Page 4 Table of Contents Function Basic symbol Basic model Features Page Relief DGMC/DCMC2 Single, dual and crossport models Reducing/relieving DGMX2 Piloted from (and reduced pressure in) port P, A or B Sequence DGMR1 Single port P sequence Counterbalance DGMR Control in port T Flow Control DGMFN Single or dual port, meter-in...
  • Page 5 Pressure control may be obtained in “A”, “B”, “A” and “B”, relief. If required on crossport models, contact your Danfoss or “P” port, and pilot flow may be internally or externally representative.
  • Page 6 Functional Symbols DGMC-5- AT-**-*-30 DGMC2-5- AT-**- BT -**-*-30 DGMC-5- BT -**- E -*-30 DGMC2-5- AT-**- BT -** RC -*-30 DGMC-5- AT-**- RC -*-30 DGMC-5- BT -**- E -RC -*-30 DGMC2-5- AT-**- E -BT -**- E -*-30 DGMC-5- PT-**-*-30 DGMC-5- AT-**- E -*-30 DGMC-5- AT-**- E -RC -*-30 DGMC2-5- AT-**- E -BT -**- E -RC -*-30 DGMC-5- PT-**- RC -*-30...

  • Page 7: Operating Data

    Operating Data Basic Characteristics Maximum flow 120 l/min (32 USgpm) Pilot flow@ 50 °C (120 °F) and 315 bar (4500 psi) 400–700 ml/min (24 in /min-43 in /min) Maximum operating pressure 315 bar (4500 psi)ar (450 psi) Pressure overshoot 31 bar (450 psi) Operating temperature -0°...

  • Page 8: Installation Dimensions

    Installation Dimensions DGMC-5-PT Single Relief mm (inches) 3rd angle projection See page 37 for optional adjustment devices. See page 38 for interface dimensions. 4 mounting holes 6,90 (0.27) through Remote control port . 9,50 (0.37) counterbore (“ RC” models only ) External connection port 36,5 (1.44) deep for bolt extenders (order separately) BKE-6M-50M (M6 metric) or BKE-4-50M (.2500-20 UNC).
  • Page 9 Installation Dimensions DGMC-5-BT Single Relief mm (inches) “W ” models 4 mounting holes 4 (5/3 2”) 48 (1.89 ) (max. ext.) (See page 8 for Hex key specifications) (1.18) 11,5 11,5 (0.45) (0.45) (1.97) 15,3 13 (1/2 ”) 12,5 (0.49 ) ISO 4401-AC-05-4-A (NFP A D05) 13,5 (0.53 ) (0.60)
  • Page 10 Installation Dimensions DGMC2-5-AT-**-BT-**-30 Dual Relief mm (inches) 4 mounting holes See page 37 for optional adjustment devices. 6,9 (0.27) through See page 38 for interface dimensions. 9,50 (0.37) counterbore 36,5 (1.44) deep for bolt extender s (order separately) BKE-6M-50M (M6 metric) or “W ”...
  • Page 11 Installation Dimensions DGMC2-5-AB-**-BA-**-30 Dual Crossport Relief mm (inches) 4 mounting holes 6,90 (0.27) through. See page 37 for optional adjustment devices. 9,50 (0.37) counterbore See page 38 for interface dimensions. 46,5 (1.83) deep for bolt extender s (order separately) BKE-6M-60M (M6 metric) or BKE-4-60M (.2500-20 UNC).
  • Page 12 Installation Dimensions DGMC-5-AB-**-(E)-*-30 Single Crossport Relief mm (inches) 4 mounting holes 6,90 (0.27) through. See page 37 for optional adjustment devices. 9,50 (0.37) counterbore 46,5 (1.83) deep See page 38 for interface dimensions. for bolt extender s (order separately) BKE-6M-60M (M6 metric) or BKE-4-60M (.2500-20 UNC).

  • Page 13: Model Code

    SystemStak™ Pressure Reducing/Relieving Valves DGMX2 The valve pressure setting is adjustable by means of either General Description an adjusting screw containing an internal hex, a hand-adjust knob, or a micrometer knob with keylock. These two-stage spool valves maintain a reduced outlet pressure against variations in inlet pressure.
  • Page 14 Functional Symbols DGMX2-5- PP -**-*-30 DGMX2-5- PA -**-*-30 DGMX2-5 -PB -**-*-30 DGMX2-5- PP -**-E -*-30 DGMX2-5- PA -**- E -30 DGMX2-5 -PB -**- E -30 DGMX2-5- PP -**- RC -*-30 DGMX2-5- PA -**- RC -*-30 DGMX2-5 -PB -**- RC -*-30 DGMX2-5- PP -**- E -RC -*-30 DGMX2-5- PA -**- E -RC -30 DGMX2-5 -PB -**- E -RC -30...
  • Page 15 Operating Data Basic Characteristics Maximum flow 120 l/min (32 USgpm) Pilot flow@ 50 °C (120 °F) and 315 bar (4500 psi) 290–420 ml/min (18 in /min-26 in /min) “A” models - 70 bar (1000 psi) * (inlet pressure) 50 bar (725 psi) Maximum operating pressure (reduced pressure) “B”, “F”...
  • Page 16 Installation Dimensions DGMX2-5-PA/PB/PP Reducing/Relieving Valves 3rd angle projection mm (inches) See page 37 for optional adjustment devices. See page 38 for interface dimensions. 4 mounting holes 6,90 (0.27) through 9,50 (0.37) counterbore 46,5 (1.83) deep for bolt extenders (order separately) Remote control port .
  • Page 17 SystemStak™ Internal Pilot Operated Sequence Valves DGMR1 Any pressure in the line to which these valves are drained is General Description additive to the valve pressure setting. These two-stage pressure operated valves are normally The valve pressure setting is adjustable by means of either closed to flow through the main spool flow path.
  • Page 18 Operating Data Basic Characteristics Maximum flow 120 l/min (32 USgpm) 400-500 ml/min (24-31 in /min) Pilot flow@ 50 °C (120 °F) and 315 bar (4500 psi) “A” models - 70 bar (1000 psi) * (inlet pressure) 50 bar (725 psi) Maximum operating pressure (reduced pressure) “B”, “F”...
  • Page 19 Installation Dimensions DGMR1-5-PP-**-30 Sequence Valve 3rd angle projection mm (inches) See page 37 for optional adjustment devices. 4 mounting holes See page 38 for interface dimensions. 6,9 (0.27) through 9,50 (0.37) counterbore 46,5 (1.83) deep for bolt extenders (order separately) BKE-6M-60M (M6 metric) or BKE-4-60M (.2500-20 UNC).
  • Page 20 DGMR Pilot pressure Calculation General Description To open the counterbalance valve by remote control (referring Danfoss SystemStak counterbalance valves provide continuous to functional symbols below): protection from pump cavitation and prevent an actuator from running ahead of the pump supply.
  • Page 21 Operating Data Basic Characteristics Maximum flow 120 l/min (32 USgpm) Load holding leakage @70% of pressure setting 0.35 ml/min. Cracking Pressure Adjustment Range 60-210 bar (900-3000 psi) Pilot Ratios 4:1, 10:1 Maximum operating pressure 315 bar (4500 psi) Leakage flow rate @ 50° C (120° F) and 315 bar (4500 psi) 5 drops/min, Port A to Port A at 70% of crack setting Operating temperature...
  • Page 22 Installation Dimensions DGMR-5-A*-FW-B*-FW-30 Dual Counterbalance on A & B Ports 3rd angle projection mm (inches) See page 37 for optional adjustment devices. See page 38 for interface dimensions. 4 mounting holes 6,90 (0.27) through 9,50 (0.37) counterbore 46,5 (1.83) deep for bolt extenders (order separately) BKE-6M-60M (M6 metric) or BKE-4-60M (.2500-20 UNC).
  • Page 23 Installation Dimensions DGMR-5-A*-FW-30 Counterbalance Port A, Piloted from B mm (inches) ISO 4401-AC-05-4-A (NF P A D05) Mounting surface 65,6 4 mounting holes (2.58) (see page 22) “W ” models (max. ext.) 4 (5/3 2”) Hex key (2.36) 21,5 (0.85) 13 (1/2 ”) Wrench size 142,6 (5.61 )
  • Page 24 SystemStak™ Flow Control Valves DGMFN The “P” port is available only in the “X” type (meter-in) and General Description does not contain a reverse flow check. These valves are adjustable, non-compensated flow The valve flow setting is adjustable by means of either a hex restrictors.
  • Page 25 Operating Data Basic Characteristics Maximum flow 120 l/min (32 USgpm) Maximum operating pressure 315 bar (4500 psi) Operating temperature 20° to 50°C (70° to 120°F) Weights 3,1 kg (7 lbs) Performance Data Minimum Controlled Flow/No-Flow Leakage Pressure Drop Internal leakage will vary from valve to valve and with the The curves below show the pressure drop through individual pressure di erential across the check.
  • Page 26 Installation Dimensions DGMFN-5-X-P & DGMFN-5-Y-A Single Flow Controls 3rd angle projection mm (inches) 4 mounting holes 6,9 (0.27) through 9,50 (0.37) counterbore 36,5 (1.44) deep for bolt extenders (order separately) “W ” models BKE-6M-50M (M6 metric) or ISO 4401-AC-05-4- A (max.
  • Page 27 Installation Dimensions DGMFN-5-X-B Single Flow Control mm (inches) “W ” models 4 mounting holes ISO 4401-AC-05-4-A (NFPA D05) 52, 7 (max. ext.) (See page 27 for Mounting surfac e (2.07) specifications) 4 (5/32 ”) Hex key Rotate clockwise to decrease flow 13,5 (0.53) (1.97)
  • Page 28 Installation Dimensions DGMFN-5-Y Dual Flow Control mm (inches) 4 mounting holes (See page 27 for specifications) 52,7 “W ” models (max. ext.) (2.07) ISO 4401-AC-05-4-A (NFP A D05) typ. both ends Mounting surface 4 (5/32 ”) Hex key Rotate clockwise to Rotate clockwise to decrease flow in decrease flow in...
  • Page 29 SystemStak™ Pilot Operated Check Valves DGMPC General Description To open valve or poppet in line A: These valves are single or dual check units. Dual check units have identical check elements located in the “A” and “B” Pressure at B cylinder port lines.
  • Page 30 Functional Symbols DGMPC-5- AB *-30 DGMPC-5- BA *-30 DGMPC-5- AB *- BA *-30 Operating Data Basic Characteristics Maximum flow 120 l/min (32 USgpm) Maximum operating pressure 315 bar (4500 psi) Leakage @ 50°C (120°F) Poppet @ 35 bar (500 psi) Standard models 0.3 ml/min.
  • Page 31 Installation Dimensions DGMPC-5-30 Pilot Operated Check Valve mm (inches) See page 38 for interface dimensions. 4 mounting holes 6,9 (0.27) through 9,50 (0.37) counterbore 36,5 (1.44) deep for bolt extenders (order separately) BKE-6M-50M (M6 metric) or BKE-4-50M (.2500-20 UNC) Torque: 1 1,3-14,7 Nm (0.39) (100-130 lb.
  • Page 32 SystemStak™ Direct Check Valves DGMDC A check in the “T” port is available as an “X” single check General Description model only. These SystemStak valves are self-operating, spring loaded, The dual check unit has identical check elements in both the poppet type single or dual check units.
  • Page 33 Operating Data Basic Characteristics Maximum flow 120 l/min (32 USgpm) Maximum operating pressure 315 bar (4500 psi) Leakage @ 50°C (120°F) Poppet @ 35 bar (500 psi) 0.3 ml/min. Operating temperature 20°C to 50°C (70° to 120°F) Weights 2,9 kg (6.4 lbs) Performance Data Pressure Drop These curves show pressure drop though each possible...
  • Page 34 Installation Dimensions DGMDC-5-Y-A*-B*-30 Dual Direct Check Valve mm (inches) 4 mounting holes Ø 6,9 (0.27) through 9,50 (0.37) counterbore 36,5 (1.44) deep for bolt extenders (order separately) BKE-6M-50M (M6 metric) or BKE-4-50M (.2500-20 UNC). Torque: 1 1,3-14,7 Nm (100-130 lb. in.) 9,9 (0.39) (max.) (1.97)
  • Page 35 Knob Adjusters DGMC “H” models “K” model s 56,8 (2.24) 82,9 (3.26) DGMC2 (dual type) (1.77) (max. ext.) max. ext. For key DGMR1 removal DGMX2 2 (5/6 4”) Hex key required Adjustment of valve setting is only possible while key is for adjustment inserted and turned to engage driving pin.

  • Page 36: Mounting Surface

    Mounting Surface Dimensions mm (inches) DGM**-5 The “5” interface accepts Ea ton DG4S4 directional valves and other directional valves with a standard ISO 4401-05, NFPA-D05, ANSI/B93.7M size D05 or CETOP-5 port pattern.
  • Page 37 Bolt Extender Kits ISO 4401-05 SystemStak valves may be mounted with either The use of Danfoss bolt extenders simplifies installation by standard cap screws or bolt extender kits. permitting each valve body to be separately installed with the correct torque value. A major advantage of bolt extenders...
  • Page 38 Subplates & Blanking Plate Valves, subplates and blanking plates must be ordered separately. DGSM(E) Subplate (rated at 210 bar (3000 psi) Millimeters (inches) 10,3 (.41) D. Thru 50,8 (2.00) 20,6 (.81) D. Spotface “P ” Pressure Conn. 4 holes for mounting 11,9 (.47) R 39,6 10,4 (.41)
  • Page 39 Subplates & Blanking Plates DGVME Side Ported Subplates Model “X” Assembly (rated at 315 bar (4500 psi) DGVME-5-SP-10-T06 .5625 525815 “5” interface DGVME-5-SP-10-T08 .7500 525816 DGVME-5-SP-10-T10 .8750 525817 DGVME-5-SP-10-T12 1.0625 525818 DGVME-5-SP-PD-10-T10† .8750 526003 DGVME-5-SP-PD-10-T12† 1.0625 526004 † Model with pilot and drain ports. 14,2 (.56) 20,6 (.81)
  • Page 40 Subplates & Blanking Plates DGVM Bottom Ported Subplates Model “X” Assembly (rated at 315 bar (4500 psi) DGVM-5-SP-10-T06 .5625 525811 “5” interface DGVM-5-SP-10-T08 .7500 525812 DGVM-5-SP-10-T10 .8750 525813 DGVM-5-SP-10-T12 1.0625 525814 DGVM-5-SP-PD-10-T10† .8750 525832 DGVM-5-SP-PD-10-T12† 1.0625 525833 † Model with pilot and drain ports. Pilot port (5P only) .5625 –18 SAE str.
  • Page 41 Phone: +86 21 2080 6201 Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequent changes being necessary in specifications already agreed.