Technical Data And Performance Chart - VERDER VERDERAIR VA 25 Instructions-Parts List Manual

Technical Data
Maximum Fluid Working Pressure
Air Pressure Operating Range
Maximum Air Consumption
Air Consumption at 4.9 bar/
76 l/min . . . . . . . . . . . . . . . . . . . . . . .
Maximum Free Flow Delivery
Maximum Pump Speed . . . . . . . . . . . . . . . . . . . . . . . .
Liters per cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Suction Lift . . . . . . . . . . . . . . . . . .
Maximum Size Pumpable Solids
* Sound Pressure Level at 7 bar, full flow
* Sound Power Level at 7 bar, full flow
* Sound Pressure Level at 4.9 bar, 50 cycles/min
Maximum Operating Temperature
93.3_C for models with PTFE diaphragms
Air Inlet Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
{Fluid Inlet Size.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
{Fluid Outlet Size.
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Example of Finding Pump Air Consumption and Air Pressure at a Specific Fluid Delivery and Discharge Head:
To supply 38 liters fluid flow (horizontal scale) at 1.4 bar discharge head pressure (vertical scale) requires approximately
3
0.28 N m /min air consumption at 2.8 bar inlet air pressure.
Bar
(MPa, psi)
Meters
85.3
8.3
(0.83, 120)
73.2
7.0
(0.70, 100)
61.0
5.5
(0.55, 80)
48.8
4.1
36.6
(0.41, 60)
2.7
24.4
(0.27, 40)
1.4
12.2
(0.14, 20)
0
TEST CONDITIONS
The pump had a 2–piece PTFE diaphragm and was tested
in water with the inlet submerged.
30 819.4470
. . . . . . . . . . . . . . . . . 8.4 bar
. . . . . . . . . . . . . . . . 1.4–8.4 bar
. . . . . . . . . . . . . . . . 1.68 N m
3
0.6 N m /min (see chart)
. . . . . . . . . . . . . . . . . . . 151 l/min
267 cpm
5.48 m wet or dry
. . . . . . . . . . . . . . . . . . 3.2 mm
. . . . . . . . . . 89 dBa
. . . . . . . . . . . . 100 dBa
. . . 78 dBa
. . . . . . . . . . . . . . . 65.5_C;
1/2 npt(f)
1 in. bspt
1 in. bspt
Approximate cycles per minute
67
A
INLET AIR PRESSURES
A 8.3 bar air
B 7 bar air
C 4.9 bar air
D 2.7 bar air
B
C
F
E
D
0
0 38
(10)
Wetted Parts . . . . . . . .
Non-wetted External
3
/min Parts . . . . . . . . . . . . . . . .
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.57
Loctiter is a registered trademark of the Loctite Corporation.
Santoprener is a registered trademark of the Monsanto Co.
* Sound pressure levels measured with the pump mounted
on the floor, using Rubber Foot Kit 819.4333. Sound
power measured per ISO Standard 9614–2.
{ 1 in. npt for 810.0191, 810.0192, 810.0193, and
810.0194.
133
G
AIR CONSUMPTION
E 0.28 N m
F 0.56 N m
G 0.84 N m
H 1.12 N m
76
(20)
Fluid flow, lpm (gpm)
Vary by Model. Refer to pages 24–25.
Aluminum, 302, 316 Stainless Steel,
Polyester (labels)
Aluminum Pumps
with aluminum air motors: 8.2 kg
Stainless Steel Pumps
with aluminum air motors: 15.0 kg
with stainless steel air motors: 22.0 kg
200 267
3
/min
3
/min
3
/min
3
/min
H
114 151
(30) (40)