prince hydraulics - rd-1400 lock valve double pilot operated offered by prc industrial supply
DESCRIPTION
PILOT-OPERATED CHECk VALVES MODEL RD-1400 LOCK VALVE DOUBLE PILOT-OPERATEDThe PRINCE valve model RD-1400 is a double pilot-operated lock valve. This valve will lock a cylinder in place when a directional control valve is in the neutral position. In operation oil is directed to one of the valve ports and oil can free flow to the corresponding cylinder port. The pressure on this valve port will shift the pilot spool opening the opposite check valve. This will allow oil to return through the oppoTRANSCRIPT
� CATV 69-07-1�-01PRINCE MANUFACTURING CORPORATION • P.O. BOX 7000 • NORTH SIOUX CITY, SOUTH DAKOTA 57049-7000
URL: www.princehyd.com • E-MAIL: [email protected] • PHONE (605) 235-1220 • FAX (605) 235-1082O.E.M. CUSTOMER SERVICE: (605) 235-1220 • FAX (605) 235-1082 DISTRIBUTOR CUSTOMER SERVICE: PHONE (605) 235-1220 • FAX (605) 217-6300
V69
VA
LVE
S
� CATV 69-07-1�-01
TOCYLINDER
TOCONTROL
VALVE
IN
CYLINDER
PILOTPRESSURE
5.883.50
1.94
1.56
3.88
2.00
.266 DIA (3)
VALVE PORTS
CYLINDERPORTS
660214001
3.00
1.75
5.81
1.31
2.91 .281 DIA. (2)
CYLINDERPORT
1.50
2.50
PILOT PORT
VALVE PORT
240000016240019016
670200004
240000018240019018
670300012
671100014670100006
180900147
RD-1600
RD-1400
PILOT-OPERATEDCHECkVALVES
MODELRD-1400LOCK VALVE DOUBLE
PILOT-OPERATED
The PRINCE valve model RD-1400 is a double pilot-operated lock valve. This valve will lock a cylinder in place when a directional control valve is in the neutral position. In operation oil is directed to one of the valve ports andoilcanfreeflowtothecorrespondingcylinderport.Thepressureonthis valve port will shift the pilot spool opening the opposite check valve. This will allow oil to return through the opposite check valve. This valve has a hardened steel seat and steel ball and therefore should not be used in applicationsrequiringabsolutelyzeroleakage.Whenusingapilotoperatedchecktoloweraheavyloadthevalvemaychatter.Anorificeinthelineinsomecasesmaybebeneficial.
STANDARDMODELSAVAILABLE
MODELNUMBER PORTSIZE
RD-1450 1/� NPTF RD-1475 3/4 NPTF
VALVESPECIFICATIONS:Capacity: 30gpmmaxinletflowPressure: 3000 psi maxWeight: 7 lbs.Pilot Ratio: 4:1
MODELRD-1600PILOT OPERATEDCHECK VALVE
VALVESPECIFICATIONS:Capacity: 20gpmmaxinletflowPressure: 3000 psi maxWeight: � lbs.Pilot Ratio: 4:1Decompression Ratio: 16:1
STANDARDMODELSAVAILABLEMODELNUMBER VALVEANDCYL.PORT PILOTPORT RD-1637 3/8 NPTF 1/4 NPTF RD-1650 1/� NPTF 1/4 NPTF RD-1608 #8 SAE (3/4-16) #4 SAE (7/16-�0)
The PRINCE valve model RD-1600 is a pilot operated check valve. This valve blocksoilfromflowingfromthecylinderporttothevalveportuntilsufficientpressureisappliedtothepilotport.Oilcanfreeflowfromthevalveporttothe cylinder port. The valve has a two stage poppet allowing smooth chatter free operation.
SEE PAGE 23 OF THE STANDARD PRODUCT PRICE LIST FOR PRICING