Page 130 - Single-line automatic lubrication systems

Metering devices for grease Metering device

SL-33

Description
Technical data
The series SL-33 metering devices are for single-line, high-pressure
centralized lubrication systems dispensing petroleum-based lubri- Function principle metering device
Outlets
1 to 4
cants with a viscosity up to NLGI 2. Output is externally adjustable. Its Metering quantity 0,016 to 0,049 cm 3
indicator stem permits visual check of metering device operation. 0.001 to 0.003 in 3
Lubricant grease NLGI 0, 1
May be combined in a circuit of metering devices SL-32, SL-V, SL-V
Operating temperature max. +93 °C; +200 °F
XL, SL-1 and/or SL-11. Individual metering devices can be removed Operating pressure 83 to 240 bar, 1 200 to 3 500 psi
easily for inspection or replacement. Available in stainless steel SAE typical: 100 bar, 1 500 psi
304 for applications where environmental conditions are hazardous Relief pressure 14 bar, 200 psi
Materials
carbon steel, stainless steel 304
to carbon steel or in industries preferring stainless steel. Connection main line 1 /8 NPTF (F), 1 /8 NPTF (M)
Connection outlet 1 /8 in O.D. tube
Lubricant point solderless pipe connection (DIN 3862)
Features and benefits or plug connector
Dimensions min. 41 × 62 × 43 mm
max. 156 × 62 × 43 mm
• For use with manifolds from 1 to 7 ports to match
min. 1.6 × 2.4 × 1.7 in
number of lube points max. 6.1 × 2.4 × 1.7 in
Mounting position any
• Output is externally adjustable
• Can be removed easily for inspection or replacement
Applications
Metering devices, except replacement metering devices for manifold, include compression nut
and ferrule for tubing, 3,175 mm (0.125 in) O.D. as standard. Other outlet connectors for feed line
• Food and beverage optional; metering devices with manifolds include two mounting clips and screws; metering
devices have nitrile packings. Check packing compatibility with synthetic lubricants; output with
indicator cap hand-tightened is 0,016 cm 3 (0.001 in 3 ). Maximum output is achieved with two
turns at 0,016 cm 3 / turn (0.001 in 3 / turn)

NOTE
Further technical information, technical drawings,
accessories, spare parts or product function descriptions
available on SKF.com/lubrication.

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