Page 20 - Multi-line-automatic

Pump unit

PDYY, PDYC and PDYS

Pump units for oil

Product description
Technical data
Designed for high-speed cylinder lubrication on two-stroke
engines, the PDY pumps use an existing oil supply system Function principle electrically/hydraulically operated
multi-outlet pump
or drive pump unit Engine electronics trigger the pre-loaded Metering quantity 40 to 310 mm 3
pumps by activating the solenoid valve The exact stroke vol- 0.0024 to 0.019 in 3
ume can be synchronized with the moving engine piston, and Outlets PDYS:4
PDYY, PDYC: 6 or 8
ignition timing can be adjusted to reach various piston stress Lubricant mineral-based oil up to SAE50;
areas with oil PDYY and PDYC pumps feature a baseplate 25 to 2 000 mm 2 /s
configuration with 6 or 8 outlets PDYS pumps have dou- Drive oil PDYS:
supply unit with lubricating oil
ble-stroke functionality for use on small-bore engines with PDYY, PDYC:
only 4 outlets per cylinder mineral-based system oil up to SAE30
Operating pressure 45 to 55 bar; 650 to 800 psi
Operating temperature +5 to 70 °C; +41 to 158 °F
Injection time PDYS, : <5 ms;
Features and benefits PDYY, PDYC: <8 ms
Power supply 24 V DC
• Accurate, timed oil metering quantities Protection class IP 65
within a millisecond Mounting position PDY/Y/C/S outlets on top
• Load-dependent, lubrication standard Dimensions max 270 × 261 × 180 mm
max. 10.6 × 10.3 × 7.1 in
• Modular design for easy assembly and service Options oil drive units with redundant pumps
• Prevents over-lubrication, deposits, according to the marine standard
excess smoke and CO 2
• Provides up to 40% oil savings
• Retrofit solutions available
NOTE
For further technical information, technical drawings,
Applications
accessories, spare parts or product function descriptions,
• Marine industry see the following publications available on
SKF com/lubrication:
• General industry
PDYY; System CLU4: 951-130-314 EN
• Chains or compressors PDYC; System CLU4C: 951-160-012 EN
PDYS; System CLU5: 951-170-210 EN

20