Technical Data; Evacuation And Transfer Pumps (Model 810.0780) - VERDER AIR VA 25 Instructions-Parts List Manual

Air-operated diaphragm pumps
Table of Contents

Advertisement

Maximum fluid working pressure . . . . . . . . . . . . . . . . . . 120 psi
Air pressure operating range . . . . . . . . . . . . . . . . 20 to 120 psi
Maximum air consumption . . . . . . . . . . . . . . . . . . . . . . 60 scfm
Air consumption at 70 psi/20 gpm. . . . . . . . 20 scfm (see chart)
Maximum free flow delivery . . . . . . . . . . . . .42 gpm (159 l/min)
Maximum pump speed . . . . . . . . . . . . . . . . . . . . . . . . . 276 cpm
Gallons (Liters) per cycle . . . . . . . . . . . . . . . . . . . . . 0.15 (0.57)
Maximum suction lift . . . . . . . . . . . . . . 18 ft (5.48 m) wet or dry
Maximum size pumpable solids . . . . . . . . . . . . 1/8 in. (3.2 mm)
Maximum operating temperature . . . . . . . . . . . . 150F (65.5°C)
* Maximum noise level at 100 psi, full flow: . . . . . . . . . . 89 dBa
Sound power level:. . . . . . . . . . . . . . . . . . . . . . . . . . .100 LwA
* Noise level at 70 psi, 50 cycles/min:. . . . . . . . . . . . . . . 78 dBa
Example of Finding Pump Air Consumption and Air Pressure at a Specific Fluid Delivery and Discharge Head:
To supply 20 gpm (76 liters) fluid flow (horizontal scale) at 40 psi (0.28 MPa, 2.8 bar) discharge head pressure (vertical scale) requires
approximately 20 scfm (0.56 m
psi
(bar, MPa)
120
(8.4,
0.84)
100
(7.0,
0.70)
80
(5.6,
0.56)
60
(4.2,
0.42)
40
(2.8,
0.28)
20
(1.4,
0.14)
0
0
TEST CONDITIONS
Pump tested in water with PTFE diaphragm and inlet
submerged.
26
819.0254

Technical Data

Evacuation and Transfer Pumps (Model 810.0780)

(0.84 MPa, 8.4 bar)
(0.14 to 0.84 MPa, 1.4 to 8.4 bar)
3
/min) air consumption at 70 psi (0.49 MPa, 4.9 bar) inlet air pressure.
A
E
B
F
C
D
5
10
15
(19)
3 (
) 8
(57)
Air inlet size. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1/2 npt(f)
Fluid inlet size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 in. npt(f)
Fluid outlet size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 in. npt(f)
Wetted parts . . . . . . . . . . . . . Model 810.0780: aluminum, TPE,
Non-wetted external parts. . . . . .aluminum, 302 stainless steel,
Weight. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 lb (8.2 kg)
Loctite is a registered trademark of the Loctite Corporation.
*
Noise levels measured with the pump mounted on the floor,
using Rubber Foot Kit 819.4333. Sound power measured
per ISO Standard 9216.
INLET AIR PRESSURES
A
120 psi air (0.84 MPa, 8.4 bar)
B
100 psi air (0.7 MPa, 7 bar)
C
70 psi air (0.49 MPa, 4.9 bar)
D
40 psi air (0.28 MPa, 2.8 bar)
AIR CONSUMPTION
E
10 scfm (0.28 m
F
20 scfm (0.56 m
G
G 30 scfm (0.84 m
H
40 scfm (1.12 m
H
20
25
30
7 (
) 6
(95)
1 (
1
) 4
KEY
FLUID PRESSURE AND FLOW
SCFM AIR CONSUMPTION
polyester (labels)
3
/min)
3
/min)
3
/min)
3
/min)
35
40
45
(132)
(151)
1 (
7
) 0
acetal, PTFE

Advertisement

Table of Contents
loading

This manual is also suitable for:

810.0780810.0930

Table of Contents