Ultraflex Group

sailing boat hydraulic pumps inboard outboard drive rear top mount conrol coil marine instruments

Rear mount helm pumps Outboard steering systems HYDRAULIC STEERING SYSTEMS

Rear mount helm pumps

 FEATURES

• Available in four different displacement sizes

• Compact design

• Ball bearing piston race

• Built-in lock valve for positive rudder lock

• Integral relief valve for over-pressure protection

• 3/4” tapered stainless steel shaft

• Easily accessible lock valve and shaft seal for replacement

• Cast iron cylinder rotor for greater durability and longer life

• White bezel included

• Complete with 90° adjustable fittings for 3/8” tube except UP45-I R pump (1/4” NPT straight fitting for 12 mm hose)

UP45R pump is ideal for double cylinder outboard applications

UP45 and UP39 pumps are available also for inboard application

X68 (optional) - 40894Z Chrome bezel

KITF (optional) - 39664Y Remote fill adapte

 

MODEL PART No. MOUNTING

DISPLACEMENT/

REVOLUTION

No. OF

PISTONS

RELIEF VALVE SETTING MAXIMUM WHEEL DIA. WEIGHT
UP28R 42460Z Rear 28 cc - 1.7 cu.in 5 70 Bar -1000 PSI 710 mm-28"

5 kg -

11 lbs

UP33R 42457L Rear 33 cc - 2.0 cu.in 7 70 Bar -1000 PSI 710 mm-28"

5 kg -

11 lbs

UP39R 42454E Rear 39 cc - 2.4 cu.in 7 70 Bar -1000 PSI 710 mm-28"

5 kg -

11 lbs

UP45R 42466M Rear 45 cc - 2.7 cu.in 7 70 Bar -1000 PSI 710 mm-28"

5 kg -

11 lbs