2
1. SPECIFICATIONS
Model
VF21BS
Primer
Type
Rotary-vane vacuum pump (Oil less type)
Max. suction height
Approx. 9m (29.5ft)
Pump
Type
Single suction, single stage, centrifugal pump
Number of delivery outlets
1
Discharge port coupling
BSP thread 2-1/2" (65mm / 2.6in) male
Suction port coupling
BSP thread
2-1/2" (65mm / 2.6in)
male
Pump performance
(Suction height: 3m / 9.8ft)
0.50 m
3
/min at 0.5 MPa (5.1 kgf/cm
2
)
150 USG/min at 75 psi
0.29 m
3
/min at 0.7 MPa (7.1 kgf/cm
2
)
105 USG/min at 100 psi
Dimensions and weight
Length x Width x Height
480mm × 590mm × 560mm (18.9in × 23.2in ×
22.0in)
Mass (Dry)
52kg (114.6lbs)
Materials
Engine
Crankcase, Cylinder, Cylinder
head
Aluminum alloy
Crankshaft
Chromium-molybdenum steel
Connecting rod
Chromium-molybdenum steel
Piston
Aluminum alloy
Pump shaft
Chromium-molybdenum steel with metal
plating
Muffler
Steel/Stainless
Pump
Pump casing, Pump cover
Aluminum alloy
Impeller
Aluminum alloy
Shaft seal
Type
Mechanical seal
