HomeMy WebLinkAboutFS BACKFLOW PRODUCT INFO - 16-00683-684 - Sugar Mill ApartmentsBACKFLOW
DIRECT
Deriugerf,Q
The Deringer 20 Double Check Valve Assembly is
designed to prevent non -health hazard pollutants from
entering the potable water supply system caused by
backpressure and/or backsiphonage conditions.
Sizes: 2%" 3" 4" 6" 8"
Working Pressure: 10-175psi (0.7-12.1 bar)
Temperature Range: 33'--140'F(]'.-60'Q
End Connections
- IPS Groove for Steel Pipe: AWWA C606
- Flange Adapters: ANSI B16.1 Class 125
Lead Free: 0.25%Maximum by Weight
Integral Shut -Off Valves
Indoor/Outdoor Application
100% Stainless
Steel Housing
Tamper Resistent
Test Cocks
Eng�eerirrgSpeame'stiosls
HORIZONTAL ---�
For Regulatory Approval Status Visit
www.backtlowdirectapprovals.com
DC
Double Check Valve
T
V
E
R
T
I
C
A
L
Dual ActionTM Check Modules Prewired Supervisory
• Poppet Action at Low Flow Switches
• Swing Action at High Flow
• Patent Pending
Silicone Elaatomer
Flange Adapters
Available
IPS Grooved
Ends
The Deringer 20 Double Check Valve shall utilize two independent Dual Action Check modules and two integral
resiliently seated shut-off valves all of which shall be contained within a single rigid valve housing constructed entirely
of 304 stainless steel. Both integral shutoff valves shall include pre -wired supervisory tamper switches contained within
a weatherproof actuator housing approved for both indoor and outdoor use. Dual Action Check modules shall operate as
a "poppet style" check under low flow conditions, operate as a "swing style" check under high flow conditions and
utilize replaceable silicone elastomer sealing discs. Assembly test cocks shall be handle -less and operate via a tamper
resistant actuator. Assembly shall have a single full access service port and cover with an "inline" replaceable elastomer
seal. Assembly shall be serviceable without special tools and approved for both horizontal and vertical applications.
Job Name:
Job Location:
Engineer:
Contractor:
Approval:
Contractor's P.O. No:
Representative:
Backnow Direct, LLC • 3290 Monier Circle • Rancho Cordova • California • 95742 • United States of America
Phone: 916-7604524 Website: www.backflowdirect.com
JTowPerformance
Size Ht. Hb L Ec D H W Weight Sc
In mm In mm in tnm in min in mm in mm in mm in mm IDS kg NPT
21/2 65 7.1 180 2.9 74 18.7 475 2% 65 0.0 0 10.0 254 11.0 279 38 17 I/P
4 100 7.9 201 3.1 79 18.7 475 4 100 0.2 5 11.0 279 11.0 279 42 19 h"
8 200 10.4
(Ipm) 3"r9 757 1136
1514 1893
2271 2650 3028
351 141 64 'h"
18124
304 Stainless Steel
SOV Bearings: Teflon/Bronze
Check Springs: 17-7 Stainless Steel
Valve Cover:
304 Stainless Steel
Non Wetted Bolts: Grade 8 Zinc Plated
Check Pins:
16
SOV Disks:
4"
N
14
2'/z' 3^
Ito
a
Check Disks: Silicone (NSF)
O -Rings:
96
12
v�
83
10
.°0
8
69
55
6
4
41
0
2
28
EL
-
14
0
(kPa)
0 100 200 300
400 500
600 700 800
• - Rated Flow ♦ - UL Tested
O - 15 fps
onantta of
Horizontal ion DFlowsigpm)
Flow
(Ipm) 1514 3028
4542 6056
7571 9085
16
Ito
N
148"
- 96
a
1263
6"(x)
w
10
_
. _
in
69
8
55
6
-
41
U)
4
28
214
d
0
(kPa)
0 400 800
1200 1600
2000 2400
'Specific orientation & agency Flow characteristics available on website
Rate of Flow(gpm)
YBASA -- , , -
Horizontal Orientation Decreasing Flow
Size Ht. Hb L Ec D H W Weight Sc
In mm In mm in tnm in min in mm in mm in mm in mm IDS kg NPT
21/2 65 7.1 180 2.9 74 18.7 475 2% 65 0.0 0 10.0 254 11.0 279 38 17 I/P
4 100 7.9 201 3.1 79 18.7 475 4 100 0.2 5 11.0 279 11.0 279 42 19 h"
8 200 10.4
264 5.4 137
30.7 780 8 .200 1.8 46 15.8
401 13.8
351 141 64 'h"
Valve Housing:
304 Stainless Steel
SOV Bearings: Teflon/Bronze
Check Springs: 17-7 Stainless Steel
Valve Cover:
304 Stainless Steel
Non Wetted Bolts: Grade 8 Zinc Plated
Check Pins:
17-7/18-8 Stainless Steel
SOV Disks:
EPDMI304SS
Wetted Fasteners: 18-8 Stainless Steel
Check Seats:
Noryl Polymer (NSF)
SOV Shafts:
304 Stainless Steel
Check Disks: Silicone (NSF)
O -Rings:
Buna-N (NSF)
Backflow Direct, LLC • 3290 Monier Circle • Rancho Cordova • California • 95742 • United States of America
Phone: 916-760-4524 Website: www.backnowdirect.com