Bar 35 PSI 500. Pressure Drop L/M GPM. Flow

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1 NF D3 O E R I N G N D E C H N I C L D RINGS Maximum Flow... See Chart Maximum Operating ressure (, and orts)... 3 ar ( SI) Maximum ank Line ressure ar (1 SI) Mounting attern... ISO , NF-D3 (Formerly D1) and NSI-93.7 FLUIDS ND SELS Valves using synthetic, fire-resistant fluids require special seals. When phosphate ester or its lends are used, FLUOROCRON seals are required. Water-glycol, water-in-oil emulsions, and petroleum oil may e used with NIRILE seals. WEIGH Single Solenoid Models kg (3. ls.) Doule Solenoid Models kg (3. ls.) FILRION For maximum valve and system component life, the system should e protected at a contamination level not to exceed particles greater than 1 microns per milliliter of fluid (SE Class 4 or etter, ISO Code 16/13). SILING Silting can cause any sliding spool valve to stick and not spring return, if held shifted under pressure for long periods of time. he valve should e cycled periodically to prevent sticking. MOUNING OLS When provided y customer, mounting olts should e SE Grade 8, 1- UNC-2; or etter. (olt Length = 1.2 inches) olt orque....6n ( in-ls.) D3 Solenoid Electrical Characteristics [ased on nominal 22 C (72 F)] Volts/Hz /6 / /6 22/ In Rush mps Holding mps Watts 2 2 / / NK LINE SURGES If several valves are piped with a common tank line, flow surges in the line may cause unexpected spool shift. Detent style valves are most susceptile to this. Separate tank lines should e used when line surges are expected in an application. SOLENOID ENERGIZING Spring centered and spring offset types will e spring positioned unless solenoid is energized continuously. NOE: Solenoids are designed to function continuously at ± 1% of the rated voltage. NF D RINGS Recommended Flow Capacity... See chart. Maximum Operating ressure... ar ( SI) Maximum ank Line ack ressure ar (1 SI) Mounting attern... ISO 441-/NF-D (Formerly D2) and NSI-93.7 FLUIDS ND SELS Valves using synthetic, fire-resistant fluids require special seals. When phosphate ester or its lends are used, FLUOROCRON seals are required. Waterglycol, water-in-oil emulsions, and petroleum oil may e used with NIRILE seals. WEIGH Single Solenoid Models....3 kg (11.6 ls.) Doule Solenoid Models kg (16. ls.) FILRION For maximum valve and system component life, the system should e protected at a contamination level not to exceed particles greater than 1 microns per milliliter of fluid (SE Class 4 or etter, ISO Code 16/13). SILING Silting can cause any sliding spool valve to stick and not spring return, if held shifted under pressure for long periods of time. he valve should e cycled periodically to prevent sticking. O E R I N G N D E C H N I C L D D Solenoid Electrical Characteristics [ased on nominal 22 C (72 F)] Volts/Hz /6 / /6 22/ /6 / In Rush V Holding V Watts (Ref) DC -. * DC holding amps MOUNING OLS When provided y customer, mounting olts should e SE Grade 8, ¼-2 UNC-2; or etter. Maximum recommended mounting olt torque... 16Nm ( ft-ls.) (olt Length = 1.62 inches) NK LINE SURGES If several valves are piped with a common tank line, flow surges in the line may cause unexpected spool shift. Detent style valves are most susceptile to this. Separate tank lines should e used when line surges are expected in an application. SOLENOID ENERGIZING Spring centered and spring offset types will e spring positioned unless solenoid is energized continuously. NOE: Solenoids are designed to function continuously at ± 1% of the rated voltage.

2 O E R I N G N D E C H N I C L D D3 ressure Drop Reference Chart Spool Center osition C urve Numer Maximum Flow, L/M (GM) 3 ar ( SI) w/o Malfunction (13) () (8) () SI ar ressure Drop L/M GM O E R I N G N D E C H N I C L D Flow D ressure Drop Reference Chart Spool Center osition Shifted Curve Numer Center Condition Maximum Flow, L/M (GM) 3 ar ( SI) w/o Malfunction ( -) ( -) ( -) ( -) ( -) ( -) (-) (33) () (33) (1) SI ar ressure Drop LM GM Flow

3 U N I D I M E N S I O N S.8 (1.4) 79.9 (3.1) 6.8 (.) 42.7 (1.68) Min. Coil Removal ½ NF hread oth Ends 49. (1.9).8 (.98) 1. (.61) 3. (.19) 66. (2.6). (1.97) 23.8 (.94) 94.6 (3.72) 21.7 (8.) 46. (1.81) Manual Override Doule Solenoid NOE: Mounting olt spacing helps to insure proper mounting and port relationship (1.68) Min. Coil Removal 84. (3.31).8 (1.4) ½ NF hread oth Ends 49. (1.9).8 (.98) 1. (.61) 3. (.19) Spring centered models - when solenoid is deenergized the spool is returned to the spring centered position. DIMENSIONS SHOWN FOR C COILS MILLIMEERS (INCHES) 66. (2.6). (1.97) 23.8 (.94) 94.6 (3.72) Manual Override (6.44) Single Solenoid Spring Offset 46. (1.81) U N I D I M E N S I O N S 1.7 (.46) 13.1 (4.6) 8.6 (.7). (1.42) 69. (2.74) 8. (2.29). (.47) 23. (.91) Doule Solenoid 21. (.8) 97.8 (3.8) 1.2 (4.42).3 (1.8) 74.1 (2.92) 76.2 (3.) 12. (6.1) (6.8) 8.6 (.7). (1.42) 69. (2.74) 8. (2.29). (.47) 23. (.91) 21. (.8) 97.8 (3.8) 1.2 (4.42).3 (1.8) 74.1 (2.92) 76.2 (3.) 87.9 (3.46) DIMENSIONS SHOWN FOR C COILS MILLIMEERS (INCHES) Single Solenoid Spring Offset

4 R O D U C S E L E C I O N D GENERL D Models are direct solenoid operated four-way directional control valves. heir primary function, in a hydraulic circuit, is to determine the direction of fluid flow to a work cylinder, or control the direction of rotation of a fluid motor. ort connections are made y mounting the valve on a suplate or manifold. he valve has wet armature type solenoids. Electrical connections to the valve are made in the electrical wiring housing or y various plug-in devices. ground terminal is provided. NF D3 ISO art No andem Center, Doule Solenoid andem Center, Doule Solenoid andem Center, Doule Solenoid Voltage "" "" "" "" "" "" 139- Closed, & to, Doule Solenoid 14- Closed, & to, Doule Solenoid DIRECIONL CONROL VLVES Valve, 4-Way/2 osition, Spring Offset, Solenoid Closed, & to, Doule Solenoid 97- andem Center, Manual "F" 46- Valve, 4-Way/2 osition, Spring Offset, Solenoid a SCHEMIC 461- Valve, 4-Way/2 osition, Spring Offset, Solenoid NF D ISO-441- a SCHEMIC art No andem Center, Doule Solenoid Voltage "" 162- "" a 163- Closed, & to, Doule Solenoid SCHEMIC C 164- Valve, 4-Way/2 osition, Spring Offset, Solenoid SCHEMIC D andem Center, Doule Solenoid "" "" 46- Closed, & to, Doule Solenoid a SCHEMIC E Valve, 4-Way/2 osition, Spring Offset, Solenoid andem Center, Doule Solenoid "" SCHEMIC F Closed, & to, Doule Solenoid Valve, 4-Way/2 osition, Spring Offset, Solenoid ""

5 R O D U C S E L E C I O N D NF D3 & NF D D3 D ort Direct Check DO3 SI, DO 1 SI ort Direct Check DO3 SI, DO 73 SI Dual ilot Operated Check DO3 & DO 1 SI "G" "G" "H" D ual Meter-Out Flow Control "I" Single Relief DO3 7- SI, DO 6-29 SI "J" ort ressure Reducing DO3 14- SI, DO -29 SI ort Sequence Valve DO SI, DO SI Dual Relief & DO3 2-3 SI, DO 6-29 SI Crossline Relief DO3 72- SI, DO 6-29 SI "K" "L" "M" "N" lanking late "N/" Single Relief DO3 1-2 SI, DO 6-29 SI NOE: For Information on additional valves and pressure ranges consult factory. "O" SCHEMIC G UXILIRY VLVE MODULES SCHEMIC H SCHEMIC K SCHEMIC M SCHEMIC I SCHEMIC L SCHEMIC N SCHEMIC J SCHEMIC O DISRIUED Y: U.S..: MONRCH HYDRULICS, INC. UNIS and DISRIUION 477 th St. Kentwood, MI. 49 elephone: (616) elefax: (616) 4- Form No CND: FLUID-CK INERNIONL LIMIED art of the Monarch Hydraulics Group 46 Newold St., London, Ontario, Canada N6E 1K3 elephone: (19) elefax: (19) Catalog information also availale at : rinted in U.S..