Prince Manufacturing Corporation North Sioux City, South Dakota

MODEL Series 20 Series 20 Series 20 Model SV Model SV PRINCE MANUFACTURING CORPORATION • P.O. BOX 7000 • NORTH SIOUX CITY, SOUTH DAKOTA 57049-7000 URL: www.princehyd.com • E-MAIL: [email protected] O.E.M. CUSTOMER SERVICE: (605) 235-1220 • FAX (712) 233-2181 DISTRIBUTOR CUSTOMER SERVICE: PHONE (605) 235-1220 • FAX (712) 233-2181

Directional Control Valves SECTIONAL BODY Series “20”” STANDARD FEATURES • 1 -10 Work Sections • Extra Fine Spool Metering • Power Beyond Capability • Reversible Handle • Load Checks on Each Work Port • Hard Chrome Plated Spools • A Float Section can be Installed in any Location in Valve Assembly • Interchangeable Mounting With Other Popular “20” gpm Stack Valves • Optional Work Section with Pilot Operated Checks PRINCE MANUFACTURING CORPORATION • P.O. BOX 7000 • NORTH SIOUX CITY, SOUTH DAKOTA 57049-7000 URL: www.princehyd.com • E-MAIL: [email protected] O.E.M. CUSTOMER SERVICE: (712) 233-2181...

ORDERINg INFORMATION: The following is a listing of valve sections available from stock on a standard basis. STANDARD SECTIONS AVAILABLE: STANDARD INLET SECTIONS ALL SECTIONS HAVE BOTH TOP AND SIDE INLET AND TANk PORTS PART NO. RELIEF TYPE AND SETTINg 20I2A NO RELIEF 20I2C SHIM ADJUSTABLE 1351-1750 PSI, SET AT 1750 PSI @ 10 GPM 20I2D SHIM ADJUSTABLE 1751-2200 PSI, SET AT 2200 PSI @ 10 GPM 20I2E SHIM ADJUSTABLE 2201-3000 PSI, SET AT 2500 PSI @ 10 GPM 20I2G ADJUSTABLE 1351-1750 PSI, SET AT 1750 PSI @ 10 GPM 20I2H ADJUSTABLE 1750-2200 PSI, SET AT 2200 PSI @ 10 GPM 20I2J ADJUSTABLE 2201-3000 PSI,...

SPECIAL SECTIONS AVAILABLE: Valves other than standard models listed can be made to order. Use order code Matrix below to generate a model number that meets your requirements. If you prefer, contact your Sales Representative with your specific requirements and a model number will be assigned for you. This model number can then be used for future orders. A minimum order quantity will apply to special valves. Please consult Sales Representative. WORk SECTION TYPE PORT RELIEF “B” PORT RELIEF “A” P-STANDARD PARALLEL T-TANDEM CENTER L-PARALLEL WITH BUILT IN PILOT OPERATED CHECKS** A - NO RELIEF B...

CROSS SECTION OF 20P1BA1DA PARALLEL WORK SECTION INDIVIDUAL LOAD CHECK FOR EACH WORK PORT THE PARALLEL WORK SECTION SIDE OF THE B WORK PORT WORK SECTION BODY STANDARD SPOOL STANDARD HANDLE POWER CORES NOTCHES STAMPED INTO SPOOL PROVIDE EXTRA FINE METERING SPOOLS AND SPOOL ATTACHMENTS SPRING CENTER SPOOL OPTION 'A' - 3 WAY 3 POSITION FOR USE WITH SINGLE ACTING CYLINDERS OR NON-REVERSIBLE MOTORS. THE'B'WORK PORT IS BLOCKED IN NEUTRAL. SPRING CENTER TO NEUTRAL SPOOL OPTION 'B'-4WAY3 POSITION FOR USE WITH DOUBLE ACTING CYLINDERS OR REVERSIBLE MOTORS. THE WORK PORTS ARE SPOOL OPTION 'C- 4 WAY 3 POSITION...

CROSS SECTION OF TANDEM WORk SECTION AND LOCk SECTION THE LOCK SECTION BODY HAS AN "L" ON THE LEFT SIDE OF THE "B" WORK PORT SHOWN WITH MICRO-SWITCH OPTION J A WORK PORT B WORK PORT THE CASTING NUMBER "C-638" IS ON THE RIGHT SIDE OF WORK SECTION BODY THE CASTING NUMBER "C-637" IS ON THE RIGHT SIDE OF WORK SECTION BODY LOCK SECTION TANDEM SECTION MODEL 20P PARALLEL CIRCUIT MODEL 20T TANDEM CIRCUITS Parallel circuit construction is the most common. When any one of the spools in a valve bank is shifted it blocks off the open center passage. The oil then flows into the parallel circuit core making...

INLET COVER DIMENSIONS WORk SECTIONS DIMENSIONS PART NUMBER WILL BE STAMPED IN THIS LOCATION PART PART NUMBER BE BE NUMBER WILL WILL STAMPED IN THIS PART NUMBER LOCATION PART NUMBER WILL BE WILL BE STAMPED IN THIS LOCATION STAMPED IN THIS LOCATION STAMPED IN THIS LOCATION TOP OUTLET TOP TOP OUTLET TOP INLETINLET TOP OUTLET TOP TOP TOP INLET INLET OUTLET OUTLET TOP 2.69 2.69 2.69 2.69 2.69 SYSTEM RELIEF INLETINLET INLET INLET .88IN 1.75 .88 .88 .88 1.75.88 PART NUMBER WILL BE 1.75 1.75 1.75 STAMPED IN THIS LOCATION PART PART NUMBER BE BE NUMBER WILL WILL STAMPED IN THIS PART NUMBER LOCATION PART...

WORk PORT RELIEF CARTRIDgES INLET RELIEF CARTRIDgES OPTION k ANTI-CAVITATION CHECk This option allows oil to be drawn from the tank core into the work port if there is a vacuum on the work port. This vacuum would be caused by a overrunning motor or cylinder. The check will be open whenever the pressure in the tank core is higher than that in the work port. OPTIONS B, C, D, AND E, SHIM ADJUSTABLE PORT RELIEF A port relief can be installed to limit the pressure at the work port to less than the system pressure. Also, it can be installed to provide spike pressure protection when the spool is in...

SERIES 20 MID-INLET SECTION 20IM 20IM X X X X X -XXXX -XXXX Mid-Inlet Port Mid-Inlet Port FLOW OPTION FLOW OPTION C -C - COMBINED FLOW COMBINED FLOW S -S - SPLIT FLOW SPLIT FLOW LAST FOUR DIGITS LAST FOUR DIGITS SPECIFY A NONSPECIFY A NONSTANDARD RELIEF STANDARD RELIEF PRESSURE IN PSI. PRESSURE IN PSI. LEAVE BLANK FOR LEAVE BLANK FOR STANDARD SETTING. STANDARD SETTING. PORT SIZE PORT SIZE Mid-Inlet Relief Cartridge/Plug Mid-Inlet Relief Cartridge/Plug MID-INLET RELIEF OPTIONS: MID-INLET RELIEF OPTIONS: Install pipe plug in this location Install pipe plug in this location for for Flow Option 'C'...

SERIES 20 FLOW CONTROL INLET SECTION Digits Specify A Non-Standard Relief Pressure in PSI. Leave blank for standard setting. Solenoid Option: (Omit for Flow Opt. ‘M’) 12 D – 12VDC Deutsch (DT04-2P) MANUAL FLOW CONTROL CARTRIDGE Flow Control Option: M – Manual Control P – Electro-Proportional Pilot Operated Relief Adjustable From 2000-3500 PSI. Standard Relief Setting: 2500 PSI @ 10 GPM This inlet incorporates a manually operated pressure compensated flow control. With the flow control knob turned fully in (clockwise), all of the inlet flow is diverted to the tank core. By turning the flow control...