SPECIFICATION SUBMITTAL SHEET Model ... - SupplyHouse.com

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In Canada: ZURN INDUSTRIES LIMITED, 3544 Nashua Dr., Mississauga, Ontario L4V 1L2 Phone:905-405-8272 Fax:905-405-1292. Product Support Help Line: 877-BACKFLOW (877-222-5356) • Website: http://www.zurn.com. MODEL. 475DA &. 475DAV. SIZE. DIMENSIONS (approximate). WEIGHT. A. B. WITH GATE.

Model 475DA/475DAV

®

a

®

Reduced Pressure Detector Assembly

company

SPECIFICATION SUBMITTAL SHEET APPLICATION Designed for installation on potable water lines in fire protection systems to protect against both backsiphonage and backpressure of contaminated water into the potable water supply. The Model 475DA/475DAV shall provide protection where a potential health hazard exists. Incorporates metered by-pass to detect leaks and unauthorized water use.

MODEL 475DA

MODEL 475DAV

FEATURES Sizes:  4"  6"  8"  10" Maximum working water pressure 175 PSI Maximum working water temperature 140°F Hydrostatic test pressure 350 PSI End connections (Grooved for steel pipe) AWWA C606-87 (Flanged) ANSI B16.1 Class 125 OPTIONS (Suffixes can be combined)  - with OS & Y gate valves (standard)  L - less shut-off valves (grooved body connections)  LM - less water meter  - with remote reading meter  - with gpm meter (standard)  - with cu ft/min meter  V - vertical flow up configuration  G - with groove end gate valves  FG - with flanged inlet gate connection and grooved outlet gate connection  MS - with integral Relief Valve Monitor Switch  BGVIC - with grooved end butterfly valves (see document BF-475DA&VBGVIC for dimensions and approvals)  PI - with Post Indicator Gate Valve (4”-10”) ACCESSORIES  Air gap (see spec sheet BF-AG)  Repair kit (rubber only)  Thermal expansion tank (Model XT)  Valve setter (Model FLS or MJS or MJFS)  Gate valve tamper switch (OSY-40)  QT-SET Quick Test Fitting Set  Test Cock Lock (Model TCL24)

STANDARDS COMPLIANCE  ASSE® Listed 1047 (4” thru 8”)  AWWA Compliant C550  UL® Classified (4” thru 10”)  C-UL® Classified (4” thru 10”)  FM® Approved (4” thru 8”)  NYC MEA 170-02-M VOL 2 (4-8”)  Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California (4" thru 8”) MATERIALS Main valve body Access covers Coatings Fasteners Elastomers Polymers Springs

Ductile Iron ASTM A 536 Grade 4 Ductile Iron ASTM A 536 Grade 4 FDA Approved fusion epoxy finish Stainless Steel, 300 Series EPDM (FDA approved) Buna Nitrile (FDA approved) NORYL™, NSF Listed Stainless steel, 300 series

Relief Valve discharge port: 2 1/2” - 6” - 2.75 sq. in. 8” - 10” - 3.69 sq. in.

E B E

B

D

A

A

C

D

C

DIMENSIONS & WEIGHTS (do not include pkg.) DIMENSIONS (approximate) MODEL 475DA & 475DAV SIZE

in. 18 5/16 18 7/8 18 11/16 21 29 30 5/16 29 30 5/16

mm 465 479 475 533 737 770 737 770

B WITH GATE VALVES

C OS&Y OPEN

in. 30 36 1/2 35 1/2 42 46 53 1/2 47 1/2 56 1/2

in. 21 18 1/2 25 21 34 7/16 30 5/16 34 7/16 30 5/16

in. mm in. 22 3/4 578 18 1/4 22 3/4 578 18 1/4 30 1/8 765 23 3/4 30 1/8 765 23 3/4 37 3/4 959 29 1/4 37 3/4 959 29 1/4 45 3/4 1162 35 3/8 45 3/4 1162 35 3/8

mm 762 927 902 1067 1168 1359 1207 1435

mm 533 470 635 533 875 770 875 770

WEIGHT

C OS&Y CLOSED mm 464 464 603 603 743 743 899 899

D in. 8 8 10 10 13 13 13 13

E

LESS GATE VALVES

OS&Y GATE VALVES

mm in. mm lbs. kg lbs. kg 203 23 3/16 589 113 51.3 303 137.4 203 21 533 113 51.3 303 137.4 254 26 660 187 84.9 487 221 254 22 559 187 84.9 487 221 330 33 1/4 845 421 191.1 897 406.8 330 37 7/8 962 421 191.1 897 406.8 330 33 1/4 845 439 199.3 1113 504.8 330 39 3/8 1000 439 199.3 1113 504.8 DOCUMENT #: REVISION: No. 5,913,331) BF-475DA&V 11/12 WILKINS a Zurn company, 1747 Commerce Way, Paso Robles, CA 93446 Phone:805-238-7100 Fax:805-238-5766 of 2 In Canada: ZURN INDUSTRIES LIMITED, 3544 Nashua Dr., Mississauga, Ontario L4V 1L2 Phone:905-405-8272 Fax:905-405-1292 Product Support Help Line: 877-BACKFLOW (877-222-5356) • Website: http://www.zurn.com

4" 475DA 4" 475DAV 6" 475DA 6" 475DAV 8" 475DA 8" 475DAV 10" 475DA 10" 475DAV

(Patent Page 1

A

B LESS GATE VALVES

FLOW CHARACTERISTICS MODEL 475DA & 475DAV 4" & 6" (STANDARD & METRIC) FLOW RATES (l/s) 50.5

25.2

20

75.7

100.9 138

4" (100mm)

15

103

6" (150mm)

10

69

5

34

0 0

400

800 FLOW RATES (GPM)

PRESSURE LOSS (kpa)

PRESSURE LOSS (PSIG)

0.0

0 1600

1200

0.0

63.1

FLOW RATES (l/s)

126.2

189.3

20

138 8" (200mm)

15

103

10" (250mm)*

10

69

5

34

0 0

1000

0 3000

2000

FLOW RATES (GPM)

⃟ Rated Flow (Established by approval agencies)

TYPICAL INSTALLATION Local codes shall govern installation requirements. To be installed in accordance with the manufacturers’ instructions and the latest edition of the Uniform Plumbing Code. Unless otherwise specified, the assembly shall be mounted above adequate drains with sufficient side clearance for testing and maintenance. The installation shall be made so that no part of the unit can be submerged.

PRESSURE LOSS (kpa)

PRESSURE LOSS (PSIG)

MODEL 475DA & 475DAV 8" & 10" (STANDARD & METRIC)

(*UL curve)

Capacity thru Schedule 40 Pipe (GPM) Pipe size 5 ft/sec 7.5 ft/sec 10 ft/sec 15 ft/sec 2 1/2"

75

112

149

224

3"

115

173

230

346

4"

198

298

397

595

6"

450

675

900

1351

8"

780

1169

1559

2339

10"

1229

1843

2458

3687

PROTECTIVE ENCLOSURE

DIRECTION OF FLOW

AIR GAP

DIMENSIONS (approximate) MODEL A1 SETTER A1 SETTER SIZE END TO END TO END END FLS MJS in. mm 6" MIN. AIR GAP WILKINS VALVE SETTER

12" MIN. SUPPORT DRAIN

in.

mm

in.

mm

4

100 31 5/16 795 29 5/16 745

6

150 34 3/4

884

8

200

47

1194 44 5/8 1133

10 250

51

1295

32 3/4 47

832 1194

A1

DIRECTION OF FLOW

VERTICAL INSTALLATION

OUTDOOR INSTALLATION

SPECIFICATIONS The Reduced Pressure Detector Assembly shall be ASSE® Listed 1047, and supplied with full port OS & Y gate valves. The main body and access covers shall be epoxy coated ductile iron (ASTM A 536 Grade 4), the seat ring and check valve shall be NORYL™, the stem shall be stainless steel (ASTM A 276) and the seat disc elastomers shall be EPDM. The first and second checks shall be accessible for maintenance without removing the relief valve or the entire device from the line. If installed indoors, the installation shall be supplied with an air gap adapter. The Reduced Pressure Detector Assembly shall be a WILKINS Model 475DA or 475DAV. WILKINS a Zurn company, 1747 Commerce Way, Paso Robles, CA 93446 Phone:805-238-7100 Fax:805-238-5766 IN CANADA: ZURN INDUSTRIES LIMITED, 3544 Nashua Dr., Mississauga, Ontario L4V 1L2 Phone:905-405-8272 Fax:905-405-1292 Product Support Help Line: 877-BACKFLOW (877-222-5356) • Website: http://www.zurn.com

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