Feed / Power Hand Pumps, Radial Piston Pump, Pilot Operated Pressure Relief Valves, Mumbai, India
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POLYHYDRON

Pumps        
Hand Pumps :     Feed and Power Hand Pumps:  
• Single Acting with relief and
release valve
• Collapsible Handle
• Qmax: Upto 5cc/stroke
• Pmax: Upto 700 bar
Hand Pumps   • Duel Piston, with Automatic change over
• A) Qmax: 49cc/stroke Pmax: 30bar
• B) Qmax: 5cc/stroke Pmax: 700bar
Feed and Power Hand Pumps
 
 
Radial Piston Pumps (1R* / 1R*E) :   Radial Piston Pumps (2R* / 2R*E) :  
• Fixed displacement, Bi-Directional Pump
• With 3, 5 or 7 Pumping elements
• Options: Open and Close execution type
• With or without Extension shaft
• Qmax:: Upto 13.6 lpm @1440
rpm
• Pmax:: Upto 550bar
Radial Piston Pumps (1R* / 1R*E)   • Double Pumping Sections, with option of combining both discharges
• Fixed displacement, Bi-Directional Pump
• With 3, 5 or 7 Pumping elements
• Options: Open and Close execution type
• With or without Extension shaft
• Qmax:: Upto 27.2 lpm @1440 rpm
• Pmax:: Upto 550bar
Radial Piston Pumps (2R* / 2R*E)
 
 
Radial Piston Pumps (11R* / 11R*E) :   Radial Piston Pumps (12R* / 12R*E) :
• Fixed displacement, Bi-Directional Pump
• With 5 or 7 Pumping elements
• Options: Open and Close execution type
• With or without Extension shaft
• Qmax: : Upto 25.8 lpm @1440 rpm
• Pmax:: Upto 400bar
Radial Piston Pumps (11R* / 11R*E)   • Double Pumping Sections, with option of combining both discharges
• Fixed displacement, Bi-Directional Pump
• With 5 or 7 Pumping elements
• Options: Open and Close execution type
• With or without Extension shaft
• Qmax: Upto 51.6 lpm @1440 rpm
• Pmax: Upto 400bar
Radial Piston Pumps (12R* / 12R*E)
 
 
Pressure Controls      
Direct Operated Pressure Relief Vales (DPR*) :   Pilot Operated Pressure Relief Valves ( PPR ) :
• Direct acting with guided cushioned poppet
• Cartridge, Threaded and Subplate types
• Sizes: NG 06, NG 10, NG 20
• Qmax:: Upto 160lpm @1440 rpm
• Pmax Set: Upto 700bar
Direct Operated Pressure Relief Vales (DPR*)   • Pilot operated seat type
• Low pressure overrides, remote controlibility
• Option: Solenoid unloading
• Subplate & Threaded type
• Sizes: NG 10, NG 20, NG 30
• Qmax: Upto 400lpm @1440 rpm
• Pmax Set: Upto 315 bar
Pilot Operated Pressure Relief Valves ( PPR )
 
 
Modular Pressure Control Pilot Operated (MPPR 06 ) :   Pilot Operated Pressure Relief/Reducing Cartridges (PPR06/PPM 06) :
• Modular construction
• 4 models available
• Qmax: Upto 30 lpm ¬†@1440 rpm
• Pmax Set: Upto 315 bar
Modular Pressure Control Pilot Operated (MPPR 06 )   • Two stage spool type relief / reducing valve cartridges
• Low pressure override
• 4 pressure range setting available
• Available with option of Set Screw and Hand Knob
Pilot Operated Pressure Relief/Reducing Cartridges(PPR 06/ PPM 06)
 
 
Cartridges type Pressure Control Valve :   Pressure Control Modules PCM :
• Two stage spool type valve cartidges
• Low pressure override
• Direct Operated Pressure Relief Valve
• Direct Operated Pressure Reducing Valve
• Pilot Operated Pressure Relief Valve
• Pilot Operated Pressure Reducing Valve
    • Designed for Double Pump Hi-Low System.
• Consists of High and Low Relief valves and Check Valve.
• Solenoid Unloading optional.
Pressure Control Modules PCM
 
 
Counter Balance Valve CB :    
• Seat Type
• Free Flow from B to A
• Leakproof closure from A to B upto determined pressure
Counter Balance Valve CB      
 
 
Flow Controls      
2-Way flow control :   Flow Divider Valve :
• Pressure Compensated type, with reverse free flow option
• Stroke limiter optional
2-Way flow control   • For dividing into dual flow from single source into 50:50 ratio Flow Divider Valve
 
 
Modular Flow Control Valve :    
• Throttle cum check valve, Non Pressure Compensated type
• sizes : NG 06, NG 10
Modular Flow Control Valve      
 
 
Check Valve    
    Pilot operated Check Valve :
• Seat type Valve. free flow in A to B direction and leak proof closure in opposite direction.
• Threaded and Subplate mounting type
Check Valve   • Seat type valve with option of Piloting internally and externally
• Threaded and Subplate mounting available
• Double Pilot Operated Check Valve also available
 
 
Modular Check Valve :   Shuttle Valve :
• Available with Check on A or B or both
• Direct Operated Check Valve
• Bypass Check Valve
• Pilot Operated Check Valve
    • Connects to either A or B whichever is at Higher Pressure level, Isolating the other
• Threaded and Subplate mounting available
Shuttle Valve
 
 
Prefill and Exhaust Valve :    
• For prefilling and Exhausting Large hydraulic cylinders
• Can be used as Anticavitation Check Valve
Prefill and Exhaust Valve  
 
 
 
Direction Controls    
Solenoid Operated D.C. Valve (Cetop 03) :   Hand Lever Operated D.C. Valve :
• 5 Chamber Body design for low pressure drop and better performance
• Balanced spool design
• Spring and Detent Options
Solenoid Operated D.C. Valve (Cetop 03)   • 5 Chamber Body design for low pressure drop
• Spring and Detent Options
• Available in NG 06, NG 10, NG 20, sizes
 
 
 
Pilot Operated D.C. Valve :   Pressure Holding Type D.C. Valve :
• Hydraulic Operated D.C. Valve
• Available in NG 10 & NG 20 sizes
• Pilot control by Solenoid optional
Pilot Operated D.C. Valve   • Designed for Single Acting cylinder to hold pressure
• Ensures smooth decompression prior to return of the cylinder ram
• Hand Lever Opted Type in 10 & 20 Sizes
• Solenoid Opted Type in 20 size
• Quick exhaust option available in size NG20
 
 
 
Mobile Control D.C. Valve :   Rotary Type D.C. Valve :
• With built-in relief valve, check valve
• Spring and detent type
• Head Rotation in 90*4 positions possible
    • For High Pressure application at low flow
• Used where ZERO leak is required
Rotary Type D.C. Valve
 
 
Pressure Switch    
Pressure Switches :   Actuator Control Module :
• Piston Type with Non-adjust pressure difference
• Subplate, Threaded and Face mountings
• Six adjustabe Pressure Range available
    • Designed to control hydraulic or motor
• With built-in Relief
• Provision Pressure Measurement, filtration
 
 
 
Logic Cartridge Valves and Covers :   Mobile Valves :
• Suitable for cavities machined as per DIN 24342
• Fast response, low internal leakage and high flow handling capacity
• Functions like Check valve, Direction Control, Unloading valve, Throttle Valve can be achieved by proper selection of cartridge
• Covers for Cartridge are available for various functions like Standards, Relief, Shuttle, Unloading with solenoid, Proportional relief etc.
    • Joysticks • Foot Pumps
• Brake Valve • Lock Valve
• Side Shift Lock Valves
Mobile Valves
 
 
 
 
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