Lorenz Conveying Products - Catalog - Page 32
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SFV/DFV Series
SFV Features
• Single diaphragm
• Trigger type handle
DFV Features
• Double diaphragm especially suited for 昀椀ne,
dusty materials and for leak proof operation
• Trigger type handle
Standard Construction
• Stainless Steel retaining rings
• 4 oz. nylon diaphragm
• Maximum tempature 82ºC (180ºF)
• Optional – Wear Sleeves for handling abrasive,
昀椀ne or dusty product
Operation:
SFV/DFV Iris Flow Control Valves operate by rotating
the control handle through a 180-degree arc. The
trigger-type handle locks in multiple precise ori昀椀ce
settings for rapid and frequent opening/closing.
All models (except SFV/DFV-12) include 昀椀ve ori昀椀ce
notch settings.
The SFV/DFV-12 features 19 ori昀椀ce notch settings.
SFV / DFV Series Dimensions
Model
SFV / DFV Series Weights
A
B
C
D
E
F**
G
H
J
K
Net Weight
lb
kg
Shipping Weight
lb
kg
SFV-4
in
mm
4
101.6
6
152.4
5.44
138.1
7.75
196.8
1.25
31.8
2.25
57.2
0.28
7.1
.25 - 20
60º
30º
Model
DFV-4
in
mm
4
101.6
6
152.4
5.44
138.1
7.75
196.8
1.25
31.8
2.5
63.5
0.28
7.1
.25 - 20
60º
30º
SFV-4
1.5
.6
5
2.2
SFV-8
in
mm
8
203.2
11.125
282.6
10.5
266.7
10.75
273
1.75
44.4
4.5
114.3
0.28
7.1
.25 - 20
60º
30º
DFV-4
1.75
.7
5
2.2
in
mm
8
203.2
11.125
282.6
10.5
266.7
10.75
273
1.75
44.4
5
127
0.28
7.1
SFV-8
6.25
2.8
9
4.0
DFV-8
.25-20
60º
30º
DFV-8
7
3.1
10
4.5
SFV-12
in
mm
12
304.8
16
406.4
15.25
387.4
14.187
360.4
1.75
44.4
6.5
165.1
0.41
10.3
.375- 16
45º
22.5º
SFV-12
18
8.1
33
14.9
DFV-12
in
mm
12
304.8
16
406.4
15.25
387.4
14.187
360.4
1.75
44.4
7
177.8
0.41
10.3
.375- 16
45º
22.5º
DFV-12
19
8.6
34
15.4
** Diaphragm in full open position.All dimensions are approximate and subject to change.
Syntron® Iris Flow Valves O昀昀er
• Initial low-cost investment
• Low maintenance
• Easy diaphragm replacement
• Minimum mounting
area required
• Durable construction for
many years of service
Diaphragm (nylon or other material)
with retaining ring at each end.
CANADA 1-800-263-1942 USA 1-800-263-7782
32
P.O. Box 1002 Cobourg, Ontario K9A 4W4, Canada
With the upper end 昀椀xed, the
lower end is rotated, gradually
reducing the ori昀椀ce.
At 180 degrees of rotation,
the ori昀椀ce is completely closed.
Adjustable material control from
full feed to trickle.
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