Page 32 - Multi-line-automatic

Pump unit

PFHM-ATEX
Pump units for grease

Product description
Technical data
The PFHM-ATEX is a hydraulically operated, high-pressure
multi-line pump Its one to six pumping elements are availa- Function principle hydraulically operated radial piston
pump in an ATEX design
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ble in five sizes from 0,04 to 0,25 cm /stroke (0.0024 to Metering quantity per stroke KFG1 U0: 0,250 cm 3 ; 0.0152 in 3
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0.0152 in /stroke) or camshaft revolution The ratio between KFG1 U1: 0,125 cm 3 ; 0.0076 in 3
the hydraulic motor and camshaft is generally 1:1 KFG1 U2: 0,090 cm 3 ; 0.0054 in 3
KFG1 U3: 0,065 cm 3 ; 0.0039 in 3
The PFHM-ATEX’s sturdy steel housing and reservoir with Metering quantity per outlet KFG1 U4: 0,040 cm 3 ; 0.0024 in 3
0,8–5,0 cm 3 /min;
air breather enable use in dusty areas When utilized in com- 0.048–0.305 in 3 /min
bination with downstream-located progressive divider valves, Outlets 1 to 6
it can handle up to approximately 50 lubrication points The Lubricant oil and grease: up to NLGI 2
Operating pressure
max 250 bar; 3 625 psi
reservoir with stirrer is suitable for both grease and oil and Operating temperature –20 to +40 °C; –14 to +104 °F
is designed for instead with a locking device Reservoir 1) 6 kg, 12 lb
Internal ratio 1 : 1
Features and benefits Drive speed main shaft 4–30 min -1
Hydraulic drive oil 51,5 cm 3 per revolution,
requirements max 175 bar, 2 540 psi
• Sturdy design with standard, spring-return pumping
elements and ATEX classifications Outlet connection lubricant M 14 × 1,5; tube ∅ 6, 8, 10 mm
In/outlet hydraulic connection M 22 × 1,5
• Designed for 24/7 operation in harsh environments Dimensions 580 × 230 × 230 mm
22.8 × 9.1 × 9.1 in
• Varying speed and stroke volumes enable economical Mounting position vertical
lubricant settings, hydraulical drive without electrics Options C5-M
• Modular design available in corrosiveness class C3 as
standard or C5-M according to DIN EN ISO 12944 1) valid for ρ=1 kg/dm 3
• Atex classification for gas, dust and mining application
as standard
NOTE
For further technical information, technical drawings,
Applications accessories, spare parts or product function descriptions,
• Mining, including underground see the following publication available on
SKF com/lubrication
• Hydraulically operated machinery
• Screens and crushers in quarries
• Chemical industry, offshore

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