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Compact Servo Power Unit Only

Compact Servo Power Units
Connects to the Motor and Drive of Your Choice

Benefits

Totally Sealed Design
Shock Load Tolerant
Energy Efficient
Precise Servo Control
Environmentally Friendly
Minimal Maintenance
No Metal-to-Metal Wear

Key Features

Up to 3,000 PSI (207 BAR)
Up to 11.98 GPM (45.35 LPM)

The Compact Servo Power Unit (SPU) Only option is for new or retrofit applications. It connects to your existing hydraulic cylinders or rotary motors via short hoses with robust fittings and uses the motor and drive of your choice.

Overview
Servo Power Unit Specifications
Design Features and Options
Motor Mounting Information

Overview of SPU Series Compact Servo Power Unit Only Option

Specifications based on pump size

ModelManifold SizeMaximum Pressure
psi (bar)		Maximum Flow
gpm (lpm)
SPU02Small3000 (207)0.17 (0.64)
SPU05Small3000 (207)0.4 (1.51)
SPU07Small3000 (207)0.66 (2.5)
SPU11Small3000 (207)1.06 (4.01)
SPU13Small2598 (179)1.63 (6.17)
SPU21Medium3000 (207)1.85 (7)
SPU23Medium3000 (207)2.23 (8.44)
SPU27Medium3000 (207)2.97 (11.24)
SPU31Medium3000 (207)4.17 (15.79)
SPU34Medium3000 (207)5.38 (20.37)
SPU36Medium2531 (175)7.05 (26.69)
SPU45Large3000 (207)5.99 (22.67)
SPU47Large3000 (207)7.7 (29.15)
SPU49Large3000 (207)10.27 (38.88)
SPU51Large3000 (207)11.98 (45.35)

Specifications and CAD Models for SPU Series Compact Servo Power Unit Only Option

To choose a CAD model you must first identify the pressure and flow closest to your application requirements.
SPU Series Total Solution Actuator Specifications and CAD Models:

Series / Model Number Alpha-Numeric Designation: SPUxxM0Z

 

SPUxx: designates the pump size – for example

  • SPU02 is a size 2 pump
  • SPU21 is a size 21 pump
  • SPU36 is a size 36 pump
Series No./CADModelPumpMotorPressure
(psi)		Flow
(gpm)		Input Torque @ Rated Pressure (in-lbf)Input RPM @ Rated Flow (rpm)
SPU02M0ZSPU02P02M0Z30000.179.683000
SPU05M0ZSPU05P05M0Z30000.422.593000
SPU07M0ZSPU07P07M0Z30000.6637.123000
SPU11M0ZSPU11P11M0Z30001.0659.713000
SPU13M0ZSPU13P13M0Z25981.6379.663000
SPU21M0ZSPU21P21M0Z30001.85104.893000
SPU23M0ZSPU23P23M0Z30002.23125.873000
SPU27M0ZSPU27P27M0Z30002.97167.833000
SPU31M0ZSPU31P31M0Z30004.17236.013000
SPU34M0ZSPU34P34M0Z30005.38304.193000
SPU36M0ZSPU36P36M0Z25317.05336.283000
SPU45M0ZSPU45P45M0Z30005.99338.883000
SPU47M0ZSPU47P47M0Z30007.7435.713000
SPU49M0ZSPU49P49M0Z300010.27580.943000
SPU51M0ZSPU51P51M0Z300011.98677.763000

Design and Optional Features for SPU Series Compact Servo Power Unit Only

The Servo Power Unit Only Option connects to a customer-supplied cylinder or rotary actuator through robust quick-connect fittings. The SPU can be located close to the cylinder, reducing footprint and hose length, and it operates both linear cylinders and rotary actuators. The Servo Power Unit Only Option uses the motor and drive of your choice.

SPU Series Compact Servo Power Unit Only Design Features

SPU Series Servo Power Units incorporate numerous design features that make them an ideal alternative to traditional hydraulic power units.

  • Motor mounting adaptor and shaft coupling for customer-supplied motors.
  • AC and DC motor compatible.
  • Power-on-demand, efficient operation saves energy*
  • Precise servo control using external position sensor and integral pressure transducer. Smooth control eliminates abrupt flow changes and stress on hoses and connections.*
  • Dynamic braking for smooth control of overriding loads.*

*Based on the capability of the customer-supplied motor/control system

  • Closed system eliminates contamination, moisture and air infiltration. Minimal fluid.
  • Works with most any double-acting linear cylinder or rotary actuator
  • Standard ISO 16028 3/8” cylinder connections
  • Up to 10.3 GPM (43.2 LPM) at 3,000 PSI
  • Adjustable relief valves (extend and retract) eliminate overpressure
  1. Customer-supplied cylinder or rotary motor and hoses
  2. Rod compensation reservoir
  3. Fill ports
  4. Quick connect Couplings



SPU Series Compact Servo Power Unit Optional Features

SPU Series Servo Power Unit optional features improve flexibility for many applications.

  • Motor mounting adaptor and shaft coupling for customer-supplied motors.
  • Locking solenoid valves (extend and/or retract).
  • Counterbalance valves (extend and/or retract).
  • Pressure transducers (extend and/or retract).
  • Float Mode.
  • Standard or high-resolution position sensor.
  • Pressure sensor for force measurement and control.
  • Food-grade fluid.
  • IP67, IP68, IP69k packaging.
  • Special coatings.
  1. Pressure sensors for force measurement
  2. Solenoid valve
  3. Quick-connect couplings

Motor Mounting Information for SHA Actuator Only and SPU Power Unit Only Options

Kyntronics’ “Power Unit Only” Option is designed to make the mounting of most standard commercially available motors simple and straightforward.

Motor Mounting Information

Upon determination of the motor frame size and shaft diameter, Kyntronics will determine which of our standard motor mounts and shaft couplings adapt to your choice of motor, and we will include that in the final product configuration.

Kyntronics also offers a service where we will attach customer-supplied motors to the actuator or power unit prior to shipment.

PumpManifold SizeMotor B.C.D. (A)Motor Shaft Dia (B)Keyed ShaftMotor Brake
P02, P05, P07, P11, P13Small70mm - 100mm14mm - 19mmOptionalNo
P21, P23, P27, P31, P34, P36Medium100mm - 165mm19mm - 38mmYesNo
P45, P47, P49, P51Large165mm - 215mm28mm - 42mmYesNo
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